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| Number | Title | Issue Date |
| 7648178 | Connector for joining with agricultural drip tape A connector for joining agricultural drip tape. The connector includes a rigid tubular body having a tapered trust conical enlargement at its free end over which the free end of the drip tape is pressed and held by an assembly nut having a single entry female thread... | 01/19/2010 |
| 7527300 | Flexible tubing connector A connector for use in securing a length of flexible tubing with another object is set forth. The connector comprises a fitting and a collar. The fitting includes a neck that is adapted to receive the flexible tubing thereon. The neck, in turn, includes an exteriorl... | 05/05/2009 |
| 7367594 | Hose coupling device Hose coupling devices that securely connect an end of a hose to a fitting member using a retention mechanism operated by multi-threaded engagement of the fitting member with a collar member. The multi-threaded engagement also may operate a hose advancement mechanism... | 05/06/2008 |
| 7341284 | Joint assembly for flexible and semi-rigid pipings A joint assembly for flexible and semi-rigid piping, such as high density polyethylene piping or the like. The assembly comprises a joint end sleeve and a nut. The joint end sleeve comprises in series first, second, third and fourth co-axial sections of circular cro... | 03/11/2008 |
| 7337519 | Method for producing a coiled tubing connector assembly A coiled tubing connector for connecting tools together when they are inserted into a well bore. The connector includes a disposable element that may be severed along with the connected portion of the coiled tubing. This provides for quick disconnect and reuse of th... | 03/04/2008 |
| 7314239 | Tube device, and piping system including the tube device A tube 4 includes a casing 1 made of a fluororesin. The casing 1 surrounds a fluid tube 3 and lid members 5 each made of a fluororesin and include a receiving portion 8 for receiving one end portion of the tube 4. At ... | 01/01/2008 |
| 7270351 | Pipe coupling A coupling assembly for plastic pipes including a nut, a body, a grip-ring, and a seal. The nut can engage the body through appropriate threads and includes a hooked projection having a sloping surface adapted to abut against and provide a force on a corresponding s... | 09/18/2007 |
| 7261325 | Structures of hoses A hose includes a main passage defined longitudinally therethrough and a plurality of auxiliary passages are longitudinally defined in an inner periphery of the main passage and communicate with the main passage. At least one of the auxiliary passages is maintained ... | 08/28/2007 |
| 7240925 | Tube joint A tube joint comprises a nut member which connects a tube to a joint body, collet sections which fasten the tube by fastening pawls for being pressed radially inwardly by a pressing section of the nut member to bite into an outer circumferential surface of a diametr... | 07/10/2007 |
| 7222887 | Fluid operated contractile drive A fluid operated contractile drive which has a contractile hose (4) extending between two head pieces (2 and 3), and attached to at least one head piece (2 and 3) by having its respective end section (10) clamped in an annul... | 05/29/2007 |
| 7163238 | Connector for flexible and semi-rigid pipings A connector for a flexible pipe comprises a connector body having an end portion for coupling to a flexible pipe. The end portion includes a frusto-conical portion and an adjacent cylindrical portion. The frusto-conical portion has its widest portion adjacent the cy... | 01/16/2007 |
| 7140648 | Flexible connectors and methods of manufacturing same A flexible connector comprises a length of corrugated tubing having a distal end and an end piece having a proximal end. The proximal end of the end piece is engaged with the distal end of the length of corrugated tubing and a length of polymeric tubing is utilized ... | 11/28/2006 |
| 7134696 | Compression cap A one-piece unitary compression cap for securing a pipe or tube on a fitting. The cap includes at least one inward deformation that provides an interference fit between the cap and the pipe or tube. Consequently, the cap cannot fall off the pipe or tube before being... | 11/14/2006 |
| 7066496 | Fitting with separable gripping device for pipe and tube A tube fitting for a tube end has a female threaded member that cooperates with a male threaded member. The female member includes a tube gripping device in the form of a gripping ring or ferrule that is attached to the female member by a frangible web. Upon a parti... | 06/27/2006 |
| 7055865 | Lateral connection system A service tee forming part of a main fluid line has a laterally extending female fitting with threads and a gasket spaced axially from the distal end of the threads. A male fitting having a series of male threads and a cylindrical extension terminating in the distal... | 06/06/2006 |
| 7025384 | Apparatus and method for securing a tubular liner in a composite pipe A device for mechanically securing a tubular liner in a pipe having a tubular member and connectors on each end. The connector has a bore with an internal seat that may have grooves and be tapered depending upon the application. The liner extends through the tubular... | 04/11/2006 |
| 7014216 | Joint assembly for flexible and semi-rigid pipings A joint assembly for flexible and semi-rigid piping, such as high density polyethylene piping or the like. The assembly comprises a joint end sleeve and a nut. The joint end sleeve comprises in series first, second, third and fourth co-axial sections of circular cro... | 03/21/2006 |
| 7014215 | Quick connect coupling A quick connect hose coupling for connecting a hose to a fixture of the type having a hose stem portion including a hose insert portion, having a fixture portion including a fixture connection portion, and having a joinder portion is disclosed. The joinder portion i... | 03/21/2006 |
| 6974162 | Pipe coupling A coupling assembly for plastic pipes including a nut, a body, a grip-ring, and a seal. The nut can engage the body through appropriate threads and includes a hooked projection having a sloping surface adapted to abut against and provide a force on a corresponding s... | 12/13/2005 |
| 6971683 | Joint for tubings A joint for tubings with which, in tightening the nut member (20), the friction torque applied to the first end face (32) of the control ring (30) by the bore peripheral face (25) of the internally threaded bore (21) of the nut mem... | 12/06/2005 |
| 6971390 | Catheter connection and repair system A system for effecting fluid-tight coupling and mechanical joinder between a medical device and a catheter tube. An elongated catheter connection stem attached to the medical device is received in the lumen of the catheter. A catheter securement collar is advanced p... | 12/06/2005 |
| 6871880 | Irrigation adaptor Apparatus and methods include an adaptor to establish a flow path through the side of a first piece of tubing (rather than the end of the tubing) into a second piece of tubing or other device. The adaptor includes a threaded head slightly larger than the hole in the... | 03/29/2005 |
| 6866298 | Toilet valve quick connect system A toilet valve quick connect includes an upper housing having a capture chamber which facilitates the operation of a capture nut with oversized outward peripheral portions to enable it to be turned within the confines of a typical toilet tank. The toilet valve quick... | 03/15/2005 |
| 6776440 | Method and structure for preventing slipping-off of a tube in a pipe joint made of resin A structure for preventing slipping-off of a tube in a pipe joint made of resin in which a union nut (2) is fastened to a joint body (1) to cause a pressing edge portion (19a) of the union nut (2) to abut against a diameter-increas... | 08/17/2004 |
| 6626469 | Reusable coupling adaptable to the ends of a flexible reinforced pipe A reusable coupling adaptable to the ends of a tube, the coupling including a nipple (2) having a toothed end (7) designed to be inserted into the tube (1), its inside diameter corresponding approximately to the inside diameter of the tube, the nipple hav... | 09/30/2003 |
| 6347729 | Hose coupling apparatus for sprayer unit A hose coupling apparatus for removably coupling a hose to a discharge opening of a spray unit includes an elongate hose retainer having a plug end and a stem end. The hose retainer defines a longitudinal fluid passageway extending therethrough from the p... | 02/19/2002 |
| 6324739 | Inner ring press-insertion jig for a pipe joint made of resin In the inner ring press-insertion jig for a pipe joint made of resin according to the invention, a diameter-increasing ring member in which the outer diameter can be changed to the maximum outer diameter and to the minimum outer diameter by axial movement... | 12/04/2001 |
| 6017066 | Threaded connection device for pipes Threaded connection device for pipes including a cylindrical sleeve having, at both its ends, fasteners for the connection with a flexible pipe, two internally threaded rings each one screwing on one end of the sleeve. These said rings have a circular rim... | 01/25/2000 |
| 5931508 | Fluid coupling A fluid coupling having a first part removably threadably connected to a second part, wherein one of the parts has a latch arm resiliently deformable by engagement with the projections incident to threading and unthreading of the first part on the second ... | 08/03/1999 |
| 5904376 | Coupling assembly for a fluid purification system A coupling, which has a longitudinal bore for fluids to pass through, for connecting a tube to a pair of fittings that can be tightened and loosened with a wrenching tool, including a nipple positioned at one end of the coupling; a first threaded mating p... | 05/18/1999 |
| 5879033 | Hose connector The present connector for liquid-conducting, plug-type connections consists of a hose nipple (2) formed on the coupling (1) and pluggable into the connecting end of a flexible plastic hose (3). The nipple has at its free end a conically widening, beveled ... | 03/09/1999 |
| 5794986 | Semi-disposable ventilator breathing circuit tubing with releasable coupling A coupler having a releasable compression fitting connects a length of tubing to a ventilator fitting. The compression fitting allows the tubing to be made of economical and re-usable materials that would otherwise be difficult to attach to a ventilator f... | 08/18/1998 |
| 5716079 | Hose assembly having a distortion limiting wall for creating a dynamic seal The present invention hose assembly (10) having a distortion limiting wall for creating a dynamic seal comprises a seal (14), a male hose subassembly (12) and a female hose subassembly (16). The seal (14) is concentrically mounted within the female hose s... | 02/10/1998 |
| 5622393 | Re-usable fitting for flexible hoses A re-usable fitting for a flexible hose includes a body and a nut that have opposed tapering ribs or barbs in complementary pairs that engage the hose substantially as the body and nut are fully tightened. The body forms a hollow nipple extending from a b... | 04/22/1997 |
| 5405340 | Threaded securing apparatus for flow connectors A self-threading securing apparatus is used in combination with two tubular flow connectors to prevent the inadvertent disconnection of I.V. tubing sets. The securing apparatus includes a hollow shroud surrounding an extending cannula. The inner surface o... | 04/11/1995 |
| 5388871 | Fittings with box nuts A resin-made detachable fitting to which a tube is connected. The fitting comprises a core of a cylindrical or ring shape forcibly inserted into the tube end to expand it, a fitting body having an inner passage, and a box nut able to mesh with ends of the... | 02/14/1995 |
| 5370424 | Pipe connection A connection system for a deformable conduit with a support portion which is inserted within an end of the conduit. The support portion has a hollow interior and an external contour with first and second surfaces. First and second portions of the deformab... | 12/06/1994 |
| 5334064 | Life raft storage and inflation system A life raft storage and inflation assembly, or system (12) of a type having a deflated life raft (22) stored in a separable canister (14) includes a hose assembly (34, 34') which can be broken down for coupling a selectively activated nozzle of a compress... | 08/02/1994 |
| 5307995 | Lawn and garden sprayer with hose compression connector The specification discloses a lawn and garden sprayer having a hose compression connector for coupling a dispensing hose to a supply tube inside the liquid-containing dispensing tank. The hose compression connector comprises a threaded boss projecting fro... | 05/03/1994 |
| 5286072 | Pipe connection for high pressure application In a pipe connection, in particular for plastic pipes and hoses (2, 9), having a support portion (6) disposed in the interior of the pipe to be connected, and a clamping means (4, 5, 21, 22) which is provided on the outside of the pipe and which comprises... | 02/15/1994 |
