Abstract: A hose connection module including a connector having a first side configured to receive liquid and a second side opposite the first side, wherein a plurality of ring-shaped fixing protrusions are formed on an outer circumferential surface of the second side and are spaced apart from each other in a flow direction of liquid, an ejection hose formed of an elastic material and configured to surround the outer circumferential surface of the second side of the connector, and a hollow fixing cap configured to press the water ejection hose from the outside of the ejection hose.

Abstract: An apparatus comprising a sleeve. The sleeve has an outer surface and a flange extending from the outer surface. The flange has a first surface for engaging an edge of first flexible hose and a second surface for engaging a union. The first surface of the flange has a radial length substantially equal to a thickness of the edge of the first flexible hose. The sleeve counteracts a deflection of the first flexible hose and the second flexible hose into a flow path created through the first flexible hose and the second flexible hose when the first flexible hose and the second flexible hose are coupled together using the union, the sleeve, and a pair of fittings.

Abstract: A flexible connection pipe for a cryocooler includes a connection hose that includes a flexible pipe which is provided with a pipe end portion and a flexible tube which is provided with a tube end portion coming into close contact with the pipe end portion and which is inserted into the flexible pipe and a connection adapter that connects the connection hose to a constituent element of the cryocooler, the connection adapter being adjacent to the tube end portion and being fixed to the pipe end portion.

Abstract: The present disclosure provides an apparatus and method assembling a flexible tube and a fitting body. A combination collet, a second collet, and a compression nut are introduced to an outer surface of a flexible tube. A first end of the flexible tube is introduced to a shoulder of the fitting body such that at least a portion of the flexible tube is inside the shoulder of the fitting body. The compression nut is fastened onto a threaded portion of the fitting body such that a plurality of radial pressure caused by the compression nut causes the combination collet and the second collet to clamp down on the outer surface of the flexible tube.

Abstract: An extensible hose, comprising an inner tubular element (2) suitable, in use, for being passed through by a fluid, said inner tubular element (2) being made from a first elastically extensible material and suitable for lengthening and widening under the action of the pressure of the fluid. The hose (1) also comprises at least one extensible outer tubular element (3) overlying, and coaxial to, said inner tubular element (2), comprising at least one surface portion (4) made from a second material resistant to external stresses, and the like.

Abstract: A connector unit for connecting capillaries, for high-performance liquid chromatography includes a connector capillary, a connector housing, and an annular sealing element. The connector capillary projects through a bore of the connector housing. The annular sealing element is provided on a front end region of the connector capillary and which is composed of a plastically and/or elastically deformable material. The connector capillary has an inner shell composed of a plastically and/or elastically deformable material and an outer shell which engages around the inner shell. The inner shell has a radially outwardly extending front end region which, on its own or together with the annular sealing element can generate a seal between the front end region of the connector capillary and a bushing unit.

Abstract: A clamping ring for a non-releasable workpiece connection includes an inner circumferential surface, an outer circumferential surface, a proximal end, and a distal end, said inner circumferential surface having a cylindrical design in at least some sections. A sliding sleeve for a non-releasable workpiece connection includes an inner circumferential surface, an outer circumferential surface, a proximal end, and a distal end. An arrangement for producing a non-releasable workpiece connection and a method for producing a non-releasable workpiece connection are provided.

Abstract: The invention relates to a connector unit for connecting capillaries, in particular for high-performance liquid chromatography, wherein a sealing element sealing the capillary protrudes at least partially into the interior of the capillary, while a portion of the sealing element that protrudes axially from the capillary can be subjected to a compressive force that is introduced via the capillary to obtain an axial or radial plastic and/or elastic deformation.

Abstract: An unwelded explosion-proof drain cable gland assembly includes: a gland nut that is disposed on an outer circumference of a flexible tube and has a seat protruding inward; a gland having a cylindrical compression pin part that is formed at an upper portion thereof, an annular flange that is formed integrally with the compression pin part and protruding in a radial outward direction, and a binding part that is integrally formed under the flange and is inserted into and bound to the flexible tube; a gland washer that is installed in front of the gland and comes into surface contact with an upper surface of the compression pin part; a rubber packing that is disposed in front of the gland washer and has a hollow interior; and a coupling into which the rubber packing is fitted and whose outer surface is threaded to be coupled with the gland nut.

Abstract: A moisture proof electrical connector assembly for securing an electrical metal tube or conduit to a connector body having opposed end portions and having a bore extending therethrough wherein an end portion includes a first linear length sized and shaped to receive a metal tube or conduit and a second linear length having a diverging inner surface provided with an intermediate shoulder for delineating the first length form the second linear length, and a complementary sealing gland for rendering the entire assembly moisture proof.

Abstract: The compression fitting (10) for a heating and/or sanitary pipe comprises a fitting body (12) including a supporting sleeve (16) adapted to have a pipe end (66) slid thereonto, and a conical abutment face (20). The compression fitting (10) further comprises a complementary part (24) for the fitting body (12), which is provided with a conical receiving face (22) for abutment by the abutment face (20) of the fitting body (12). The compression fitting (10) is provided with a clamping ring (40) encompassing the pipe end (66) which can be slid on the supporting sleeve (16), and with a lock nut (42) having an inner thread (44) and being adapted to be screwed to the complementary part (24), for pressing the clamping ring (40) against the fitting body (12) and for clamping abutment on the pipe end (66) in the condition when the pipe end has been slid onto the supporting sleeve (16).

Abstract: An insulated transition spool apparatus for mounting unheading devices to pressure vessels, such as coker vessels, and enabling repetitive operation thereof is disclosed. The apparatus comprises an outer housing, an inner housing that encloses an insulating space between the inner and outer housing, a side feed entry aperture in each housing and a spool adapter flange to facilitate attachment of the spool to the vessel.

Abstract: A fitting assembly for coupling tubing to a device having a sealing surface is provided. The fitting includes a ferrule for seating against the sealing surface. The ferrule has a head. The ferrule is formed from a first material. A reusable collar having a bevelled rear surface and an inner surface is provided. The inner surface has a ring for gripping the tubing. The collar is formed of a second material that may differ from the first material and may be malleable. A coupler engages the head of the ferrule to push the ferrule against the sealing surface. The coupler has a ramped inner surface for engaging the rear surface to push the collar against the head of the ferrule. The coupler compresses the collar radially to grip the tubing.

Abstract: A transition coupling for connecting a plastic natural gas supply pipe to a metal service pipe is comprised of substantially plastic components including a tubular non-metallic body and a non-metallic or plastic nut. A plastic nut is threadably connected to the body one at each end thereof for independently compressing seals within the body against the two pipes and separately gripping against the pipes to hold the pipes within the body. At one end of the coupling, a plastic gripper is wedged by the plastic nut to embed in the plastic pipe to anchor the plastic pipe in the coupling. At the other end of the coupling, a metallic gripper is used in conjunction with the other plastic nut to be wedged against and embed in the outside surface of the metal pipe. The metallic gripper is comprised of two segments, the outer surfaces of which are shaped to keep from embedding in the inside surface of the plastic nut and causing the nut to bind on the metallic gripper.

Abstract: A coupling is provided for joining segments of plastic pipe. The coupling includes a body portion having an inner bore opening to an enlarged outer bore. A metal stiffener tube having a flange at one end is inserted into the bore of the body until the flange contacts an internal stop. An elastomeric gasket encircles the stiffener. A flexible spring washer encircles the stiffener and contacts the outside end of the gasket. A grip ring, comprising a frustoconical radially outer surface, an inner surface with gripping members, a segmented lateral slot, and a resilient lip around one end, encircles the stiffener so that the lip is in contact with the spring washer. A connecting nut having a frustoconical bore for mating with the outside surface of the grip ring surrounds the stiffener and engages the enlarged bore of the body. The plastic pipe is inserted into the bore and around the stiffener.

Abstract: A fluid coupling for a corrugated pipe, comprising a coupling body having a large-diameter portion and a small-diameter portion through which the corrugated pipe can be passed, metallic seal means arranged at the small-diameter portion, for sealing an end portion of a corrugated pipe pressed against the same, a ring-shaped engaging member disposed in the large-diameter portion and having its inside diameter reducible to a size smaller than the diameter of the top of corrugation of the corrugated pipe, and retaining means having an outside diameter small enough to be inserted into the small-diameter portion, an inside diameter large enough to be penetrated by the corrugated pipe, and a first end portion capable of engaging the engaging member, the retaining means being adapted to press the end portion of the corrugated pipe against the seal means, while transferring the elastic member from the large-diameter portion to the small-diameter portion, thereby holding the engaging member in a predetermined axial pos

Abstract: End connectors of filament wound tubes are disclosed. The end connector uses an upset region at an end of the filament wound tube as a base for mounting a threaded ring around the tube. The ring is threaded to a sleeve mounted also around this upset region. The sleeve threads to a coupling on the other side of the upset region. The coupling carries means for connecting the filament wound tube to another body. In forming the end connector, the sleeve and coupling are assembled about the upset region and the ring, assembled on the body of the filament wound tube on the other side of the upset, is threaded to the sleeve.

Abstract: End connectors of filament wound tubes are disclosed. The end connector uses an upset region at the end of the filament wound tube as a base in mounting a threaded retaining ring around the tube. The retaining ring is threaded to a housing mounted also around this upset region. The housing carries means for connecting the filament wound tube to another body and forming a pressure seal between the liner (optional) of the tube and the tip end of sleeve inserted beneath the upset region.

Abstract: Composite tubing connector assemblies (10, 10a) comprising elongated tubes (14, 14a) of composite material, with liners (12, 12a) and with the tube having upsets (16, 16a) formed by compression rings (20, 20a) located near each end of the composite tubes and end fittings such as a connector pin (22) and connector box (24) positioned over the upsets (16, 16a) and locked in place by split nuts (26, 26a), pressing the upsets (16, 16a) against the compression rings (20, 20a) within the end fittings. When coupled together in end-to-end relationshiop, a seal ring (26) is placed between the assemblies (10, 10a) to form a liner-to-liner seal. This arrangement allows the composite tube (14) to be formed and the end fittings (22, 24) coupled thereto at a later date, if desired.

Abstract: A pressure ring combination for sealing the inverted stack of a membrane roof to a waste pipe or other drainage member. The pressure ring combination includes a ring member that is movable between a contracted position and an expanded position, and a keeper member for keeping the ring member in the contracted position until it is desired to expand the ring member. The pressure ring combination can be easily inserted into the interior of the drainage member with a portion of the inverted stack positioned between the pressure ring combination and the interior of the waste pipe or other drainage member while the ring member is in the contracted position. The keeper member can then be removed from the ring member to allow the ring member to expand and to securely seal the portion of the inverted stack to the interior of the waste pipe or other drainage member.

Abstract: A fitting assembly for a hose comprising a nipple having a plurality of spaced separate annular barbs thereon adapted to dig into the internal wall of a hose and threads remote from said barbs for coupling the nipple to a socket. A socket is provided which includes internal threads for threading engagement to the threads on said nipple and spaced internal annular teeth adapted to bite or dig into the outer wall of a hose thereby crushing and clamping a hose between the barbs and teeth and filling the space between the nipple and socket adjacent the barbs and teeth when the socket is threaded to said nipple. In this manner, the socket is retained to the nipple separate from the seal provided between the nipple, socket and hose and oil cannot leak past the barbs and teeth.

Abstract: A stab-type coupling apparatus adapted to receive an associated pipe end in a body thereof and prevent its withdrawal therefrom. The coupling apparatus includes an elongated hollow stiffener received in a coupling body recess and providing internal support for the associated pipe end. A retaining ring retained between the body and stiffener has a radially inward extending toothed portion that grippingly engages the external surface of the associated pipe end. A seal means is disposed on an axially inner side of a collet retainer to seal along a peripheral portion of the pipe end. The collet retainer includes a toothed internal surface that selectively engages the pipe end during attempted withdrawal from the coupling body. A generally frustoconical member cams the collet retainer into gripping engagement with the pipe end. A gasket is radially and axially compressed at an outer end of the recess and disposed on an opposite side of the collet retainer from the seal means.

Abstract: The device comprises a clamping jaw and a two-piece union nut. The clamping jaw is U-shaped in longitudinal section and straddles the end of the pipe so that it surrounds this pipe end from inside and from outside simultaneously. The two-piece union nut is composed of a first part and a second part which is inserted between the first part and the outer leg of the clamping jaw. The second part is provided with a left-hand external thread which meshes with a left-hand internal thread of the first part. Every location to be made tight within the device is sealed twice when the union nut is tightened, so that the connection is completely fluid-tight.

Abstract: A coupling mechanism for use with flexible hose or tubing in which axial compression forces are applied to the end of the hose or tubing in order to provide the coupling action. The coupling mechanism includes a nipple having a head at the free end thereof surrounded by a collar having an inwardly extending abutment member at the opposite end thereof from the free end of the nipple. The end of the flexible hose or tube is received over the nipple and within the collar with a close fit. Upon axial movement of the collar with respect to the nipple toward the free end thereof, the abutment member on the collar will apply axial compression force to the end of the hose or tubing causing the wall at the end of the hose or tubing to expand into sealing and gripping relation with the nipple and collar. Means for forcing the collar to move axially of the nipple upon rotation of the collar and to selectively maintain the collar at a given point in the axial movement thereof are provided.

Abstract: A clamp connector for pipes, of a type for use in a water service line, comprising a connector housing (1) having internal threads (2) for engagement with a clamping nut (3) having external threads (4) and a conical portion (5) extending axially from the threads (4) intended to engage with the base (6) of the connector housing, the leading portion of the cone (5) being intended, when the clamping nut (3) is tightened, to be pressed into sealing and retaining engagement with a pipe (7). The base (6) of the connector housing has two conical portions (9,11) separated by a cylindrical section (12) the two conical portions (9,11) being intended to engage with two clamping nuts (3) having different orifices corresponding to a different size outside diameters of the pipes that are to be coupled to the connector housing (1). The clamp connector can thus be used to connect pipes having different outside diameters in a tee-connector.

Abstract: A valve includes a molded plastic body portion having an internal chamber forming a valve seat having inlet and outlet openings. A plastic plug member is rotatably positioned in the valve seat and has a flow passage which in the open position of the valve communicates with the inlet and outlet openings. Pipe fittings of the valve body communicate with the valve seat and are aligned with the inlet and outlet openings. Each fitting is coupled to a conduit of a piping system by a nut threaded into the respective fitting to urge a wedge-shaped collar into frictional engagement with the conduit. The nut surrounds the collar which is advanced by the nut into the fitting until a radial shoulder on the nut abuts the end of the fitting so that the end of the nut in the fitting applies a controlled compressive force upon a gasket seal to effect a fluid tight connection of the conduit to the fitting.

Abstract: A quick connect fitting for air brake tubing consists of a body member with a tubing support therein and a nut threadedly connected to the body. A split ring gripping sleeve having a conical outer surface cooperates with the conical inner surface of the nut to receive and retain inserted tubing. A ring seal is disposed in the body member to provide a primary seal between the body and nut and includes a surface in engagement with the gripping sleeve to maintain alignment of same with the conical surface, limit the inward movement of the sleeve and bias the sleeve toward the conical surface to enhance the grip. In various embodiments of the invention the ring seal provides a primary seal on the O.D. of the tubing or it abuts the end of the inserted tubing, in both instances providing an increased force to return the split ring tight to the conical surface of the nut. An o-ring in the nut provides a seal on the O.D.

Abstract: This device is an adapter for joining non-threadable flexible tubing to other piping in both fluid-tight and mechanically positive relation. It has serrated chuck jaws encircling the tubing which grip and depress the wall of the tubing into a peripheral hollow in a supporting sleeve within the end of the tubing, when relative rotation is effected between the body of the adapter and a bushing threaded thereinto and surrounding the tubing. A gasket is pressed into sealing relation with the tubing and the adapter.

Abstract: A transition fitting for connecting plastic conduit to various elements of a fluid transfer system is provided which includes in combination a pressure deformable plastic conduit, rigid sleeve means inserted in one end of said plastic conduit in circumferential contact therewith, a pressure deformable rubbery resilient member extending around the conduit and sleeve in contact with said conduit, compression ring means extending around the conduit and sleeve having a radial face abutting one face of the resilient member and applying compressive pressure thereon, a radially expandable and contractible frusto-conical gripping member, said gripping member surrounding the conduit and sleeve and having a base portion engaging the other side of the compression ring, spaced surface engaging means on the gripper member in contact with the exterior of the conduit, a first body member surrounding the conduit and sleeve and confining the rubbery gasket against outward radial expansion, said body member and compression rin

Abstract: A fitting assembly is disclosed for connection to the ends of flexible tubing. The fitting assembly comprises a first and second element and a sleeve. The first element includes a threaded bore and a plurality of flanged tines extending axially therefrom. The flexible tubing is adapted to be threaded through the bore of the first element until a portion of its end extends alongside and beyond the tines. The second element includes a bore having interior annular ridges formed on the interior surface thereof for receiving the flanged tines of the first element. The second element also includes an annular shoulder located on the sidewall of the bore. The sleeve is cylindrical in construction and includes an enlarged end. The sleeve is adapted to fit snugly within the end of the flexible tubing prior to the interconnection of the first and second elements. After the first element is threaded onto the tubing and the sleeve is inserted therein, the first and second elements are brought together for connection.