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a method is disclosed which is suitable for the calibration of a measuring table of a coordinate measuring machine . for this purpose , a mask is deposited in a three - point support of the measuring table , wherein the mask used for the calibration of the measuring table is a mask , which is used for the semiconductor...
6Physics
the present invention relates to , inter alia , pharmaceutical compositions comprising eicosapentaenoic acid and / or derivatives thereof and nicotinic acid , to methods of manufacturing such compositions , and to therapeutic methods for treating carious diseases and disorders .
0Human Necessities
a data packet recording apparatus according to a first aspect of the present invention is comprised of : a trick play packet generator for generating trick play data by extracting one or plural types of prescribed date packets from an input data packet train comprising plural types of time - division multiplexed data i...
7Electricity
a wireless sensor device , system and method includes a handle / antenna component and probe shaft sensor . a spiralpole loop antenna interfaces with a probe shaft comprising electrical connection to a surface acoustic wave sensor device for wireless temperature sensing . applications include monitoring the internal te...
6Physics
a process for passivating the semiconductor - dielectric interface of a mos structure to reduce the interface state density to a very low level . a particular example is a mosfet having a tungsten electrode that in the past has prevented passivation of the underlying semiconductor - dielectric interface to an extent su...
8General tagging of new or cross-sectional technology
a column used for high speed liquid chromatography which is characterized in eminent separating ability suitable for microanalysis while having a small internal diameter , minimizing the separation impediment due to minute flaws , tiny recesses or the like on the inner surface thereof , and facilitating packing operati...
6Physics
this invention is a remotely actuated release clamp for a bicycle saddle post , conveniently operated by a lever adjacent to a handlebar grip . when released , the saddle may be conveniently raised by a spring lifter , and lowered by the rider &# 39 ; s weight . the unit is lightweight , simple , grips the saddle post ...
8General tagging of new or cross-sectional technology
compositions containing a polymerizable , curable or crosslinkable component , a photoinitiator , a colorformer capable of changing color upon contact with a suitable activator and a latent activator containing an organic halide will become insoluble and change color under the influence of actinic radiation . the organ...
6Physics
a unique low profile archery bow quiver is disclosed wherein a cable guard removably grips a plurality of arrows along their shafts , the heads of the arrows are removably gripped by an arrow head receiver , and the arrows are stored in the quiver in a plane which crosses the longitudinal arrow launching plane of the b...
5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
a monitoring system for a hfc network includes a plurality of “ test points ” disposed at various locations throughout the network . each test point is used to allow for the isolation of communication problems within the network and mitigation of the effects of the network problems . by distributing a plurality of test...
7Electricity
a modular plastic conveyor belt , formed of successive rows of assembled injection molded modules connected by laterally - extending pins , has arched tops in each module row and increased depth in the laterally - extending spine of the belt . the belt structure enables the modular plastic belt to be retrofitted in a s...
1Performing Operations; Transporting
various apparatus and methods include a clock circuit to receive a first clock signal to generate a second clock signal having a frequency different from a frequency of the first clock signal . a clock capturing circuit receives the second clock signal for determining a number of delay elements corresponding to an amou...
6Physics
a facsimile apparatus comprising a document image reader for forming an image data corresponding to a document image ; a data processor having multiple data processing modes for processing the image data with a mode selected ; a memory having multiple memory areas , each of which stores information on a facsimile appar...
7Electricity
valuable amino alkane diphosphonic acids in which one or both hydrogen atoms of the amino group are substituted by hydroxy alkane groups , and their alkali metal salts and a process of using them are described . said compounds are highly water - soluble , are stable against hydrolysis even at temperatures exceeding 100...
2Chemistry; Metallurgy
a system , method , and product are disclosed for verifying a condition of a storage drive &# 39 ; s media . a command is received within the storage drive to verify the condition of the storage drive &# 39 ; s media . in response to a receipt of the command , the storage drive attempts to read each one of the logical ...
6Physics
compounds having the structure ## equ1 ## and the pharmaceutically acceptable salts thereof , wherein r 1 and r 2 are the same or different and are selected from alkyl , cycloalkyl , aryl and arylalkyl ; r 3 is hydrogen , halogen , trifluoromethyl , alkoxy , aryloxy , or dialkylamidosulfonyl ; r 4 is hydrogen , halogen...
2Chemistry; Metallurgy
a composition containing succinate dehydrogenase inhibitor and a potentiator has been discovered to enhance the activity of the succinate dehydrogenase such that the amount of the succinate dehydrogenase inhibitor need to effectively treat a microbial substance can be reduced substantially . the compositions may be use...
0Human Necessities
an electromagnetic friction clutch including a rotor , further clutch element which orbits a common axis of rotation with the rotor and is supported so that it can rotate relative to the rotor , eddy current elements for transmitting a rotational movement on the principle of an eddy current clutch , one of the eddy cur...
7Electricity
a method of storing addresses in a database comprising generating original prefixes representing the addresses to be stored in the database . the prefix lengths are determined dynamically . reduced prefixes are generated by collapsing or expanding the original prefixes such that a number of reduced prefixes is less tha...
7Electricity
novel antibacterial agents ; namely , 7 -- cephalosporanic acid derivatives having the formula : ## str1 ## wherein r 1 is thienyl , 2 - furyl , phenyl , substituted thienyl or substituted phenyl ; r is hydroxyl ; r 2 is hydrogen , hydroxy , acetoxy , carbamoyloxy , n - pyridyl , azido or heterocyclic thio group ; r an...
2Chemistry; Metallurgy
the current invention relates to the preparation of an improved cathode active material for non - aqueous lithium electrochemical cell . in particular , the cathode active material comprises ε - phase silver vanadium oxide prepared by using a γ - phase silver vanadium oxide starting material . the reaction of γ - phase...
7Electricity
in order to permit continuous wort boiling during beverage brewing operations , wort is conducted over a plurality of substantially conically tapering heating surfaces arranged one above another in the manner of a cascade .
2Chemistry; Metallurgy
a method for obtaining 2 - hydroxy - 4 - methylthiobutyric acid in primarily free form which is stable in storage by distilling a product solution containing mha and by producing mha product mixtures with improved storage stability from such a distillate . the distillate can be produced directly starting from mha raw p...
2Chemistry; Metallurgy
a laryngoscope comprising a handle , a blade holding element , a releasable blade and releasable attachment means to attach the blade to the blade holding element , and handle and a blade for such a laryngoscope .
0Human Necessities
a cassette for supporting substantially planar objects such as photomasks , glass plates or semiconductor wafers during processing . the cassette is composed of bars connected at each end to an endpiece . arms which form part of the endpiece are hinged to permit the side bars of the cassette to move inwardly and outwar...
7Electricity
according to one aspect of the invention , there is provided an electronic apparatus having a circuit board supporting structure , the circuit board supporting structure including : a casing including a first body and a second body , the first body having a first boss portion , the second body having a second boss port...
7Electricity
a method for forming through hole vias in a substrate uses a partially exposed seed layer to plate the bottom of a blind trench formed in the front side of a substrate . thereafter , the plating proceeds substantially uniformly from the bottom of the blind hole to the top . to form the through hole , the rear face of t...
7Electricity
a screening method of a phosphor - based optical film used in a backlight module and a backlight module are proposed . the screening method includes steps of : a ) dividing an internal surface of the backlight module without a phosphor - based optical film into multiple measurement zones , and gaining a transmittance s...
6Physics
an internet - based optical imaging system to gather anthropometric data for the purpose of enabling national and international commerce in the wearable goods market , including accurate measurement for selecting , fitting , and ordering eyeglasses and eyeglass frames via the internet that includes vendor support inter...
6Physics
a pyrotechnic means for vehicle occupant protection systems includes a container for an ignitor , propellant and / or compressed gas . to facilitate the production of gas tight pyrotechnic means having long term stability the container includes a container body and at least one container lid with an ultrasonic welded j...
1Performing Operations; Transporting
a method for repairing and / or waterproofing and / or insulating and / or reinforcing and / or restoring the structural integrity of wall systems , which it consists in providing spaced injection holes within a wall system in a manner suitable to pass through cavities that exist in the wall system , inserting injectio...
4Fixed Constructions
a sulky for a self propelled lawn mower , the sulky being interconnected by a pivot frame and a horizontal pivot to the mower frame , and a vertical pivot between the sulky frame and wheels in order to retain the operator in a constant position in respect to the mower under all operator conditions .
1Performing Operations; Transporting
this multi - flash analog - to - digital converter , in particular dual flash adc , has extremely high speed and resolution . the final resolution of a comparator / multiplexer section can be effectively doubled . for instance , a 16 - bit adc can employ 300 rather than 255 comparators . a monolithic integration can be...
7Electricity
a well installation includes a metallic structure having downhole metallic tubing for conveying product towards the surface , a sub surface safety valve disposed in the downhole metallic tubing for interrupting flow of product towards the surface when closed and allowing flow of product towards the surface when open . ...
4Fixed Constructions
a method for detecting a subterranean anomaly is provided . the method includes receiving signal data derived from a plurality of transmitters and at least one receiver ; calculating a relationship for selected combinations of measurements provided by the signal data ; estimating weighting factors for each transmitter ...
6Physics
in a combination document feed system and document removal assembly associated with the document feed system for removing documents one at a time from a stack of documents disposed in the document feed system and feeding each document into a document transport system : comprising a document removal assembly for providi...
1Performing Operations; Transporting
a system that incorporates teachings of the present disclosure can include , for example , determining at a port of a matching network reflection information from a signal sampled across at least one predetermined fixed - value reactance component , generating at least one control signal according to the reflection inf...
7Electricity
there is disclosed a circuit breaker panel which is very compact , said panel comprising a panel board having a base , a bus bar support assembly mounted on said base , said support assembly having therein a plurality of separate bus bar receiving recesses arranged in alignment with each and perpendicular to said base ...
7Electricity
a performance testing apparatus for a heat pipe includes an immovable portion having a cooling structure defined therein for cooling a heat pipe requiring test . a movable portion is capable of moving relative to the immovable portion and has a cooling structure defined therein for cooling the heat pipe . a receiving s...
5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
a weldless aluminum pallet has slats that interlock with outside and inside stringers to form the pallet without need for permanent attachment points . grooves in the stringers receive a projection on each slat , holding the slat in place . preferably , a single projection extends along the length of the slat body . th...
8General tagging of new or cross-sectional technology
a locator for determining the depth of a pipeline which carries ac signals . the signals may be those induced by power lines , cathodic protection systems , or pumping equipment or other machinery connected to the pipeline . also , specifically applied ac signals from a transmitter may be employed in the absence of the...
6Physics
a method for actuating an electromechanical grating device that has ribbon elements . the method includes the steps of : providing a data stream , generating a pulse width modulated waveform including at least two different non - zero voltages from the data stream , and applying the pulse width modulated waveform to th...
6Physics
an apparatus for rapidly filling a pressure vessel such as a fuel storage tank with highly pressurized gas by initially inserting into the tank , a measured quantity of liquefied natural gas or some other type of cryogenic liquid and permitting the temperature of the liquid to rise within the tank to vaporize it into a...
5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
to retain water on roofs of buildings with a water - retention basin , a vortex - type throttle valve is fitted on the roof and is connected to a drain pipe leading to a drain . the throttle valve makes it possible to control rainwater run - off at a given rate determined by the size of the throttle valve . if rain fal...
4Fixed Constructions
the device of the invention consists of a plurality of tubular cannulae , which prior to the surgery , are linked together at their distal ends by flexible elements , such as wires or threads . all the threads , the number of which is one less than the number of the used cannulae , are passed through one of the cannula...
0Human Necessities
a self - locking step - by - step mechanism for an adjustment device of a vehicle seat has a clamping roller lock and a step - by - step device . the clamping roller lock a rotatable release wheel and a toothing . the step - by - step device has a ) a pivotably mounted actuating lever , b ) a driver pivotably mounted o...
6Physics
an audible warning system which reduces the number of land vehicle traffic accidents where there are already traffic control devices installed such as at stop signs , intersection control lights and on vehicles in conjunction with side lights , tail lights and brake lights . the accident reduction results from the moni...
6Physics
a digital signal processing apparatus for converting an analog signal to a digital signal and digitally processing the digital signal is disclosed . the apparatus includes a modulation part for performing pulse density modulation on the analog signal and outputting a pulse density modulation signal , a memory for stori...
7Electricity
a process for cooking food products , such as battered and breaded pieces of meat , with hot oil by placing the products on a conveyor and passing them through a plurality of descending hot oil curtains to enrobe and cook the products . the cooking oil is supplied from above through oil inlet weirs in a smooth curtain ...
0Human Necessities
systems and methods for pipelined synchronization in a write - combining cache are described herein . an embodiment to transmit data to a memory to enable pipelined synchronization of a cache includes obtaining a plurality of synchronization events for transactions with said memory , calculating one or more matches bet...
6Physics
a controller for controlling the increase in fluid brake pressure as a brake is applied irrespective of how rapidly the operator applies the brakes . the controller includes a valve between inlet and outlet ports in a valve body , the valve having opposing faces subjected respectively to pressure at the outlet and pres...
8General tagging of new or cross-sectional technology
pharmaceutical composition made of microparticles for the slow release of an active substance at least during a period covering the 6th month after injection of said composition , said composition comprising a group of microparticles made of a copolymer of the plga type which incorporate an active substance in the form...
0Human Necessities
in an ofdm - tdma power line communication system , time slot and carrier frequencies are assigned in a manner that reallocates time slots and carrier frequencies to enhance the efficiency of utilization of bandwidth . the reassignments are communicated between transmitting and receiving stations by transmitting tone m...
7Electricity
a method and a device are disclosed for providing and delivering of tire balancing weights and supplies , specifically in wheel and tire workshops . a rack comprises slides bearing trays containing balancing weights and / or other articles . sensors are provided for detecting the number of trays on the slides . if a sl...
6Physics
the present invention provides a virtual orthodontic treatment method , comprising , providing a virtual diagnostic setup model of teeth of at least one jaw of an individual , associating virtual orthodontic appliances with all teeth in the model to obtain a first composite model and repositioning teeth into an initial...
0Human Necessities
an assembly includes a receptacle and a sensor body . the receptacle includes an orifice for receiving the sensor body . at least one tab is located on the receptacle or sensor body to engage a feature such as a notch on the other . the sensor body is adapted to be inserted into the orifice . at least one prominence ma...
6Physics
a prepress for a paper web in a paper machine including a load shoe which is pressed against a backing element , preferably a vacuum roll , by a load pressure generating by a medium , preferably liquid , which at the same time acts as a lubrication medium in the prepress . the load shoe is in direct engagement with a w...
3Textiles; Paper
a method and apparatus is provided for first heating surfaces to be welded together by one or two induction coils placed therebetween and upon raising both surfaces to a forging temperature forcing said surfaces together with sufficient force to weld the surfaces together . the heating and upsetting steps occur when th...
1Performing Operations; Transporting
provided are novel yellow azo dyes which are useful in ink compositions , especially ink jet compositions . the dyes and ink compositions of the present invention exhibit a good balance of optical density , print reliability , water fastness and light fashion and exhibit improved water solubility , thus rendering the i...
2Chemistry; Metallurgy
a car seat storage providing an area of space for storage of loose items within a vehicle . the car seat storage system has a bottom panel connected to two side panels and a front panel . a tuck strip is an extension of the bottom panel , and is used to secure the bottom panel to space between the seat back and the sea...
1Performing Operations; Transporting
a retaining member 16 is provided for use with a frame 10 for packaging elongate members , such as sections of tubular , for example casing , liner or drill pipe . the retaining member 16 comprises a pressure plate 18 on which is mounted a pair of pivoting hooks 20 for engaging with protrusions 36 formed on the frame 1...
1Performing Operations; Transporting
a card reader comprises an entry slot to allow access for a card into the interior of the card reader along a predetermined passage . the card reader further comprises a controller and an image capture device arranged so as to monitor the interior of the card reader .
6Physics
an electronic marketplace allows owners of unused internet domain names to lease the domain names using a bidding process . the system allows owners to monetize domain names and lessees to obtain customers who are redirected from targeted domain names .
6Physics
this invention relates to protein structures , to methods of producing those protein structures , and to peptides used in the formation of the protein structures .
0Human Necessities
a tattoo needle case comprises a seat including a front section , a rear section including a receiving space , and a breaking section interconnected the rear and front sections ; a plurality of needles disposed in the receiving space ; and a sheath sleeved on the seat for fastening the needles . bending and breaking th...
0Human Necessities
the present invention provides a training aid and method that produces restic colored images of targets , as seen through a thermal viewer , using black and white video or photographic techniques with filters and light modulators .
0Human Necessities
a running machine including a hollow cylinder - shaped rotator having a diameter and including a wall having a constant thickness , a hollow cylinder - shaped display unit having a diameter greater than that of the rotator and encircling the rotator , and a support for supporting the rotator and the display unit in an ...
0Human Necessities
a storage system comprising at least one panel member which may be in the form of a hingedly mounted door or the like and including a pair of spaced parallel mounting sections on one side of the door , a plurality of storage containers adapted to be mounted on the panel at selected vertical locations thereon and mounti...
0Human Necessities
the present invention relates to novel expression cassettes and expression vectors , comprising three nucleic acid sequences for araa , arab and arad , each coding for a polypeptide of an l - arabinose metabolic pathway , in particular , a bacterial l - arabinose metabolic pathway . the invention particularly relates t...
8General tagging of new or cross-sectional technology
an embodiment relates generally to a method of operating a device . the method includes providing for a plurality of sensors , where each sensor is configured to sense and transmit data values associated with an interaction with the device by a user . a subset of the sensors of the plurality of sensors is associated wi...
8General tagging of new or cross-sectional technology
this disclosure features use of a paper or polymer film that includes a slip agent that can transfer to its surfaces . once the paper or film is pressed against a glass sheet , this will leave a thin surface roughness of slip agent that can prevent or reduce glass surface scratches from other surfaces or particles duri...
8General tagging of new or cross-sectional technology
a powdered slush molding device has debris capturing devices in its reservoir . a resin material is passed back and forth through openings between the reservoir and the mold by rotating the apparatus back and forth until a film of desired thickness is formed on the mold . the capturing devices capture the debris formed...
1Performing Operations; Transporting
a method , composition , and article for patterning and depositioning a substrate employing a colloidal suspension includes the step of agitating the colloidal suspension to eliminate aggregations of colloidal particles in the substrate . the colloidal suspension may include a plurality of colloidal particles in a susp...
7Electricity
a variable architecture digital computer to provide real - time control comations a for missile by executing efficient variable - length instructions optimized for such application by means of a microprogrammed processor and an instruction byte string concept .
6Physics
a system and method for objectively evaluating an airport runway condition , where conditions pertaining to aircraft landing factors are compiled and used to determine a runway braking condition . one set of conditions pertains to aircraft landing factors , including brake metered pressure , wheel speed , and aircraft ...
6Physics
a system displays and filters reports including website vitiation data in response to receiving user input . the system allows users to launch various reports onto a workspace and filter the entire result set by selected criteria . the system allows the user to specify and configure segments while viewing reports , sim...
7Electricity
the battery holding method and structure enable contact points between a battery and terminals to be maintained invariant in location by improving a performance in holding the battery , and accordingly a stable contact resistance can be obtained . a battery holder forms a battery chamber , and the battery chamber makes...
7Electricity
a ball locking mechanism for the releasable locking of a movable part comprises a locking or arresting ball arranged in at least one bore of a stationary or fixed part or component and can be pushed , by means of a slide member , into one of a number of bores of the movable part or element , so that such movable part c...
8General tagging of new or cross-sectional technology
a device for stretching fence wire tightly between fence posts . a flat base plate has outwardly projecting l - shaped fingers which present end portions that are spaced from and parallel to the plate surface . a round camming bar is provided with partial circumferential grooves which are eccentric with respect to the ...
8General tagging of new or cross-sectional technology
a device for the topical delivery of nitric oxide gas to an infected area of skin includes a source of nitric oxide gas , a bathing unit , a flow control valve , and a vacuum unit . the bathing unit is adapted to surround the area of the infected skin and form a substantially air - tight seal with the skin surface . th...
0Human Necessities
a method and apparatus for monitoring the momentum of a meltspun jet thermal core used for making thermoplastic filaments is presented to aid in the uniformity of formation and elimination of waste in thermoplastic filament nonwoven web formation . the apparatus is easily and economically constructed and is relatively ...
3Textiles; Paper
the method for positioning an array with periodic structures , for forming an image thereon , comprises the following steps : providing a first beam of light by a first light source ; passing this first beam of light through the array ; forming a light line corresponding to the first light source with the first beam of...
8General tagging of new or cross-sectional technology
a high lift farm dump box particularly constructed to produce a stable unit when the box supporting sections are in extended position by providing a stabilizing cross bar which not only supports the dumping cylinders for the box but also provides a stabilizing connection between the lower ends of the upper strut sectio...
1Performing Operations; Transporting
a work locating apparatus having a tension member actuated by an actuating member , particularly an actuating piston , via a starting stroke and a working stroke in which a pneumatic cylinder constitutes a control means and a mechanical step - up mechanism is operable between the control means and the tension member wi...
5Mechanical Engineering; Lightning; Heating; Weapons; Blasting
an optical processor includes a light source , a grating device , a first lens , a reflector , a second lens , an array of mirror cells , a color wheel , and a third lens . the light source is for generating a number of light beams . the grating device is for reflecting and dispersing the generated light beams . the fi...
6Physics
the present invention relates to communication techniques , and discloses a method for the calling party to reinitiate a call in card number service , so that the calling party in card number service can conveniently release his current call and reinitiate a new call . in the present invention , the call controller ins...
7Electricity
a wall - mounting unit includes a horizontally disposable shelf and a number of dispensers positioned below the shelf . the dispensers are each covered in front with a plate which has openings therein for outlets and operative levers to pass therethrough , and is shaped so as to have a recess towards the wall - contact...
0Human Necessities
a lift axle suspension for a tandem trailer has first and second suspension air bags for first and second axles . there is a lift air bag that , when pressurized , applies a lifting force to lift the second axle relative to the first axle . a first pneumatic circuit supplies compressed air to the first suspension air b...
1Performing Operations; Transporting
a form of garlic and process for making same in which cloves of garlic are cut into bits , blanched or baked to reduce the strength of the garlic flavor and bitterness , and then fried to produce ready - to - use , crunchy , roasted - flavor garlic pieces that can be conveniently stored and dispensed from a shaker .
0Human Necessities
an improved method for recovering the protein expressed by open reading frame 2 from porcine circovirus type 2 is provided . the method generally involves the steps of transfecting recombinant virus containing open reading frame 2 coding sequences into cells contained in growth media , causing the virus to express open...
0Human Necessities
the invention relates to a laser device , comprising a laser material brought into a simmer mode . a controllable source of additional energy supplies energy to the laser material , such that in only a desired part of the laser material a lasing threshold is exceeded , and a laser beam is emitted from only a desired pa...
0Human Necessities
a linear differential amplifier with improved voltage swing is disclosed . the linear differential amplifier corrects for an error voltage inherent in differential pair amplifiers , without hindering the available voltage swing , and thus , is particularly suited for low - voltage applications . the differential amplif...
7Electricity
an electric hotplate has a hotplate body with a closed cooking surface made from an iron - based sintered material with additions of other metals . the sintered material hotplate body has a plurality of narrow , flat slots on its bottom , in which is inserted an uncoiled , slightly undulating heating resistor wire . ac...
7Electricity
devices , systems and methods for compressing , cutting , incising , reconfiguring , remodeling , attaching , repositioning , supporting , dislocating or altering the composition of tissues or anatomical structures to alter their positional or force relationship to other tissues or anatomical structures . in some appli...
0Human Necessities
a microscope includes a revolver on which are mounted at least three objective lenses having different magnifications , a driving device for revolving the revolver to switch the objective lens disposed in an optical path of the microscope , an operating device capable of giving a plurality of drive commands for disposi...
6Physics
in a method of manufacturing a semiconductor device , a semiconductor substrate including an insulating layer is provided . a groove is formed on the insulating layer . an additive - containing barrier layer is formed on the insulating layer . a metal seed layer and a metal layer are formed on the barrier layer . then ...
7Electricity
a method and architecture for efficiently solving complex distributed problems uses coevolutionary agents incorporating evolutionary algorithms located at different nodes in a distributed network . the coevolutionary agents conduct localized database searches and evolve at their respective nodes while sharing informati...
6Physics
disclosed is a variable drive current driver circuit , comprising : a pair of push - pull circuits for driving a load circuit complementarily ; a first current source circuit for having a bias current flow into the pair of push - pull circuits ; a second current source circuit for having the bias current flow out of th...
7Electricity
the invention discloses a column - beam connecting assembly capable of being manually assembled , including connecting columns and connecting beams . the connecting column is formed with an arc channel along the axial direction . the arc channel opens to the surface of the column as a groove . a number of pairs of anch...
0Human Necessities
a containment valve assembly using the upcoming pressures to control the flow of oil / gas through a riser pipe with a stop flow plug positioned within the valve housing that has an outer surface shaped to fit within and against the riser pipe , and an inner socket cavity having a conical nose receiver portion with a r...
4Fixed Constructions