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Patent Searching and Data


Matches 501 - 550 out of 4,011

Document Document Title
WO/1994/003752A1
A device (10) for providing access to the interstitial region between an inner pipe (35) and an outer pipe (37) which coaxially define the region. The inner pipe has at least one terminal end extending from the outer pipe to leave a port...  
WO/1993/025261A1
A proximal end fitting for a flexible tube for medical use has at least one longitudinal channel formed in the thickness of the wall and opening onto the proximal tube end. Said fitting is designed to detachably couple one or more instru...  
WO/1993/024731A1
A system for use in offshore oil and gas production from production wells on the seabed, comprising a submerged buoy (1) having an outer buoyancy member (30) which is arranged for introduction and releasable fastening in a submerged, dow...  
WO/1993/020372A1
The secondarily contained piping system having two spaced access chambers (20) that are interconnected by a secondary containment pipe (24) to provide a sealed arrangement for flexible fluid supply pipe (40), the ends of which are dispos...  
WO/1993/019320A1
A wastewater disposal system for a building which recycles grey wastewater for irrigation. The system has interconnected wastewater pipes (20-29) containing two separate passageways (20a, 20b), one for reusable grey water and the other f...  
WO/1993/011729A1
With reference to the figure, a bath (1) for use by a physically handicapped person comprises a bath tub (2) provided with a peripheral rim (3) and apparatus (4) for assisting the person into and out of the bath tub (2). The apparatus (4...  
WO/1993/007415A1
The apparatus is for releasable coupling a source of gas and a unit of gas fed catering equipment (17) which is intended to be moveable. A wall-mountable connector (9) extends from a wall and connects to a gas service line. A movable bas...  
WO/1993/006406A1
A rotary joint assembly has a casing (70). Coolant is supplied via inlet nipple (74) to pipe (72) and returns via passage (96) to exit from outlet nipple (80). Casing (70) secures the rotary joint assembly to a rotary body (not shown) to...  
WO/1993/000542A1
A centering support (10) for a double containment pipe assembly consists of a three-piece assembly including an outer ring (12) and a pair of mirror-image inner rings (14) having tabs (16) which are inserted into holes (18) in the outer ...  
WO/1993/000545A1
An access housing (10a) is provided between segments of an outer containment pipe (18a) of a double containment pipe assembly (12a, 14a) through which the flanged ends (40a) of a primary pipe (16a) may be accessed with the ability to rea...  
WO/1992/017726A1
A double containment pipe joint assembly (40) is provided with an inner pipe and an outer or containment pipe secured to the joint assembly in concentric relation. The pipe joint assembly includes a first and a second fitting (20, 30) co...  
WO/1992/017727A1
A double containment pipe joint assembly is provided with an inner pipe and an outer or containment pipe secured in concentric relation. The pipe joint assembly includes a fitting (20) having end surfaces on concentric flanges (22, 36) w...  
WO/1992/017725A1
A double containment pipe assembly having curved portions formed from elbow fittings (10, 12) extending between straight portions of an inner and outer concentric pipe assembly. The elbows or curved fittings (10, 12) occupy the same angu...  
WO/1992/007212A1
A link assembly (90) for a bellows joint (46) interposed in high pressure aircraft ducting (10) wherein at least one of the links (94) is preferably machined to have a pair of spaced apart legs (112, 114) of one width and an arcuate web ...  
WO/1992/004573A1
A coupling in a separation system comprising a separation unit (11), which is detachably mounted in a stand (10), said separation unit having an inlet and an outlet connection socket, respectively, connected to a connection socket via co...  
WO/1992/001139A1
The radially deformable tube consists of at least two sections (1, 2) releasably connected end-to-end. The internal circumference of the end (2a) of one of the sections (2) is substantially the same as the external circumference of the e...  
WO/1992/000437A1
The production pipe includes at least one substantially tubular pipe element (26, 28) and a hydraulic line (24, 62). The pipe element (26, 28) is provided with a longitudinal groove (37, 38) for receiving the hydraulic line (24, 62).  
WO/1991/016124A1
An improved microporous, modular filter structure assembled from replaceable filter cartridges (25) housed within a filter cartridge assemby (10) connected at opposed ends by means of symmetrical headers (41). The headers include a tube ...  
WO/1991/015705A1
A connecting element consists of an annular sleeve (6) which can be deformed outwardly by introducing a preferably hardening, free-flowing filling medium and which has at least one feed opening (10) for the filling medium. The connecting...  
WO/1991/012410A1
Pipework for constructing a ground water measuring point with several measuring places arranged at different depths comprises a single multichannel pipe composed of individual, tightly connected lengths of pipe (4). The multichannel pipe...  
WO/1991/010861A1
A fluid coupling for connecting a plurality of fluid sources to a single-bore outlet member, said coupling comprising a plurality of tubes (44, 46, 48) mutually conjoined within a connector (42) for attachment of said outlet member, each...  
WO/1991/004436A1
A device for coupling together two vacuum lines, such that when coupled the lines can be rotated relative to one another. Each of the vacuum lines includes two mutually concentric pipes (1, 2) which define a vacuum space (3) therebetween...  
WO/1991/002187A1
A union (20) enabling a rigid pipe (12 or 14) to replace a flexible hose in applications where there is no relative movement of the points connected by the pipe (12 or 14) and union (20). The new union (20) accommodates the movements req...  
WO/1990/007674A1
A double underground piping system conveys fluid from the outlet port of a pump (37) disposed atop an underground storage tank (13) to the inlet port of an above-ground dispenser (35) of liquid, e.g. gasoline, and provides containment to...  
WO/1990/007074A1
A secondarily contained piping system (10) has two spaced access chambers (22, 24) interconnected by a secondary containment pipe (16) to provide a sealed housing for a flexible fluid supply pipe (40), the ends of which are disposed with...  
WO/1990/004736A1
To make a union (22) between protective pipes (20, 21) in a double-pipe system, sleeves (23, 24) are welded to the protective pipes (20, 21) and the outer periphery of inner sleeves (25, 26). The two inner sleeves (25, 26) are welded tog...  
WO/1990/002289A1
The invention relates to pipe swivel joints of the kind suitable for use in the oil industry in situations where a sub-sea well is connected to a surface vessel by complex pipe lines, twisting of which must not occur when the vessel ''we...  
WO/1990/000515A1
A quick disconnect coupling (22) having integral fluid conduits (16a and 16b) is disclosed for use with master part transfer booms having changeable part handling spider booms (12). The coupling uses rotary locking member (52), having an...  
WO/1988/005883A1
Several versions of a flex joint (10, 100, 200) which provides for relative flexible movement between a first member (12, 102, 202) and a second member (14, 104, 204) about a pivot point (16, 106, 206). The pivotal motion is provided by ...  
WO/1988/001358A1
The loading and locking mechanism (10) includes a first cylindrical member (12) having a circumferential groove (20) therein having a first surface of revolution disposed at an angle with the axis of the first cylindrical member (12). Co...  
WO/1988/000924A1
Device for effecting a selective connection by means of a mobile linking line and a coupling element, whereby the first and second lines each have a mobile linking line (10, 14) which comprises a connection head (20, 21) at its free end....  
WO/1988/001032A1
A pipeline joint protector (20) and (20a) which encircles the exposed end portions of abutting lengths of pipe which are wrapped or covered with concrete weight coating (c) substantially throughout their lengths with only short end secti...  
WO/1987/006674A1
A multi-line or multi-path fluid swivel (10) contains a plurality of stacked modules (12, 13, 14) with each module having an internal core (15, 17, 19) and an external housing (16, 18, 20). Each core includes one integral flow conduit (4...  
WO/1986/005567A1
The device has two components (10, 12) each of which is cast in one piece and includes two conduits designed to be mounted on a fluid circuit. Each of the components (10 and 12) has at its connection extremity, two coaxial tubes (30, 32 ...  
WO/1986/005580A1
A rapid connection device comprising two components (10, 12) one of which is cast in one piece with a hydraulic casing of a heat exchanger, and the other of which comprises two conduits (52, 54) designed to be mounted on a fluid circuit....  
WO/1986/000972A1
A rotatable swivel and swivel assembly (5) by which one or more conduits are rotatably (7) connected. The swivel is especially adapted for rotatable connection of conduits carrying fluids under high pressure. Inner and outer concentric r...  
WO/1984/002565A1
A housing (110) defines an enlarged central bore (162), from which protrudes a multi-conduit nipple (126). An elastomeric seal (128) flexibly joins the inner end of the nipple to the outer end of a respective sliding seat (116), the inne...  
WO/1983/001022A1
A hydraulic control and execution unit for rotational movement transmission to the main spindle of the machine-tool, in both directions, and the rest position of the main spindle. The hydraulic control and execution unit is made-up of a ...  
WO/1982/001393A1
A mudline suspension system for supporting a hanger (10) and casing (13) attached thereto from a wellhead member (68) having an internal recess (82) with an upwardly facing internal shoulder (66) therein including a split ring latching m...  
WO/1982/001205A1
Uptake pipes (2a, 2b), arranged according to a circle, of a rising column (1) for hot and cold water are connected to storey distributors anchored to the building by means of an attachment (10). At each storey, the uptake pipes (2a, resp...  
WO/1982/000706A1
The element comprises an outer tube (1) and an inner tube (2) and a molded collectors connection head (3). This head (3) is provided with a first recess (6) which extends up to its outer surface and of which the inner diameter matches th...  
WO/1981/001029A1
A hydraulic manifold assembly includes a body (20) having an end face (28). Bolts (26) and a flange (22) are employed to mount the body (20) within a sealed chamber (14) in nominally aligned relation with an enlarged opening (30) from th...  
WO/1980/000182A1
Conduit joining apparatus for connecting the longitudinal ends of preformed concrete conduits (10) having pipes (12) therein in which electrical cables and the like are installed. The preformed conduits are placed in a trench below the n...  
WO/1979/001147A1
This invention relates to the field of circulation of fluids through open and closed systems. A major shortcoming of the use of a cotton plug in a sterile shake flask is the very slow rate of gas exchange through the cotton plug. Consequ...  
JP6803148B2  
JP2020533543A
The present invention comprises a housing (2) having a first end (3) and a second end (4), with a first channel (5) for the first fluid being the first end. Arranged between (3) and the second end (4), the second channel (6) for the seco...  
JP6786091B1
To provide a dew condensation prevention round duct capable of preventing dew condensation without wrapping a heat insulating material. An outer round duct 4 having a substantially circular cross section, an inner round duct 3 having a s...  
JP6785829B2  
JP2020180767A
To provide a joint structure with a connecting pipe capable of obtaining sufficient heat exchange performance for the entire double pipe and increasing the degree of freedom of layout. In a joint structure of a heat exchanger double pipe...  
JP2020180681A
To provide a method for manufacturing a double pipe connection structure for connecting a double pipe through which a fluid such as a liquid or a gas flows to each of an outer pipe and an inner pipe, and a structure thereof. According to...  

Matches 501 - 550 out of 4,011