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| Number | Title | Issue Date |
| 7988206 | Flareless-type pipe fitting, refrigerating device, and water-heating device In a flareless-type pipe joint, a pressing surface, which presses a rear end portion of a ferrule in the axial direction and toward the inner periphery of the ferrule, is formed in a joint body or a coupling member in which a cam surface is not formed. The ferrule h... | 08/02/2011 |
| 7900976 | Coupling device for tubular members A coupling device includes a coupling body and a collar adapted to engage a tubular member in a permanent swaged connection. The coupling device includes axially spaced front and back ferrules which engage during swaging to provide a plurality of seals intermediate ... | 03/08/2011 |
| 7891711 | Revolving compensator of high pressure for pipe A rotary compensating device used in a pipe under high pressure comprises an inner pipe (1), a sealing gland (3), a sealing seat (5) and a connecting pipe (7). One end of the inner pipe (1) is inserted into the connecting pipe (... | 02/22/2011 |
| 7618071 | Integral restraint system and method of manufacture for plastic pipe A method and apparatus for restraining pipe against internal forces at a pipe or fitting connection and to join and seal at least two pipes to form a pipeline is shown featuring an improved restraining/sealing mechanism. The restraining/sealing mechanism includes a ... | 11/17/2009 |
| 7419192 | Braze-free connector utilizing a sealant coated ferrule A braze-free connector suitable for use in a refrigeration system that includes a connector body having a circular opening passing therethrough. The opening has a converging section that tapers downwardly from the entrance to the opening toward the back of the openi... | 09/02/2008 |
| 7416225 | Fitting for metal pipe and tubing A tube fitting that uses only two components, namely a fitting body and a fitting nut. The nut and body are adapted to be threadably coupled together by relative rotation therebetween. The nut includes an integral tube gripping ring that cooperates with a camming su... | 08/26/2008 |
| 7367595 | Ferrule having convex interior wall portion High localized loading, galling, and high torque forces have been generally eliminated or greatly reduced in a two ferrule tube fitting assembly through suitable modification of the rear ferrule so as to redirect the reaction forces acting between the front ferrule ... | 05/06/2008 |
| 7350828 | Tube fitting with sealant A tube fitting (50) that uses two basic components, namely a fitting body (54) and a fitting nut (52). The nut (52) and body (54) are adapted to be threadably coupled together by relative rotation therebetween. The nut (52) ... | 04/01/2008 |
| 7341288 | Restrained sleeve pipe coupling A restrained sleeve coupling assembly for interconnecting pipe sections includes a generally cylindrical sleeve body, a generally cylindrical adaptor body and opposed end rings which are sleeved over the respective pipe sections to be joined. The generally cylindric... | 03/11/2008 |
| 7338088 | Connector A connector is provided for selectively coupling one or more lines or wires (19′, 19″) to a receiving and/or transporting device (27). The connector comprises at least one line or wire receiving ferrule (7) having a plurality of line and/or ... | 03/04/2008 |
| 7316777 | Compression fitting nut with interlocked ferrule The invention pertains to a nut and ferrule assembly for use in joining tubing to a fitting. The ferrule has a male member which interlocks with a nut and freely rotates within the nut. The interlock reduces the number of parts necessary to be handled, eliminates th... | 01/08/2008 |
| 7309085 | Threaded pipe coupling A threaded pipe coupling for connecting a pipe to a connection part with a conical exterior surface, especially for connecting copper pipes in refrigeration technology, with a sleeve-shaped union nut to form a threaded coupling with the connection part and a clampin... | 12/18/2007 |
| 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 |
| 7251409 | Cable strain relief design for limited space through-hole applications A cable strain relief that includes an over-molded portion affixed to a cable and a flexible decorative boot. The decorative boot is passed through an opening in an enclosure. The cable is passed through a cylindrical space form in the decorative boot until the over... | 07/31/2007 |
| 7240929 | Ferrule with plural inner diameters High localized loading, galling, and high torque forces have been generally eliminated or greatly reduced in a two ferrule tube fitting assembly through suitable modification of the rear ferrule so as to redirect the reaction forces acting between the front ferrule ... | 07/10/2007 |
| 7207606 | Mechanical pipe joint, gasket, and method for restraining pipe spigots in mechanical pipe joint bell sockets A mechanical pipe joint, restraining gasket, and method for restraining pipe spigots within adjacent bell sockets. The restraining gasket is composed of two axially-separate components: a sealing portion and a restraining portion made of a plurality of arcuate locki... | 04/24/2007 |
| 7104573 | Energized restraining gasket for mechanical joints of pipes A gasket for converting a standard mechanical joint into a restrained mechanical joint without the need for altered configuration of the bell, spigot, or gland of the joint, and without the need for additional fittings or devices. In the practice of the present inve... | 09/12/2006 |
| 7100948 | Tube couplings A tube coupling has a coupling body with a throughway open at one end to receive an end portion of a tube. A seal encircles the throughway to seal with the periphery and end of the tube and a cap is mounted on the body having a tube locking device rotatably mounted ... | 09/05/2006 |
| 7093864 | Connecting element for pipes and method for welding a connecting element onto the end of a pipe The invention relates to a connecting element for welding onto a circular front face of a pipe, said element having an annular region, (friction region), that can be friction welded to said front face. The connecting element can be welded onto the end of a pipe with... | 08/22/2006 |
| 7090258 | Sealing socket and method for arranging a sealing socket to a tube Sealing socket (1) and method for arranging a sealing socket to a tube (2). A sealing socket (1) includes a sleeve (3) having an outer dimension somewhat larger than the tube (2) to be sealed, defining an annular compartment (4 | 08/15/2006 |
| 7080859 | Rain tight fitting for metal tubing A rain tight fitting for connecting electrical metal tubing to a panel. The rain tight fitting includes a tubular body having an inner bore and a rearward end. A threaded outer periphery and a seal ring seat are included on the rearward end. A seal ring is disposed ... | 07/25/2006 |
| 7000952 | Duct separation restraint apparatus and method A coupling apparatus and method for coupling two duct sections together to form a joint therebetween. The apparatus includes a catcher ring component formed coextensive with the edge of one section of duct, and a catcher finger component formed coextensive with an e... | 02/21/2006 |
| 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 |
| 6910919 | Coaxial cable connector having integral housing A connector comprises an integral housing comprising a mouth at one end, a recess inside the mouth, and an internal shell projected toward the recess for forming an annular cavity between the shell and the recess; and a hollow resilient member confined in the mouth.... | 06/28/2005 |
| 6902210 | Universal connector tubing The invention is a universal connector which is useful with a variety of differently configured and shaped fittings as well as for applications when the fittings are identical. The connectors provided at either end of the tube may be formed by either compression mol... | 06/07/2005 |
| 6851729 | Tube fitting for medium pressure applications A fitting for the connection of a tubing end. The fitting includes a body having a bore with an internally-threaded opening which extends to a seating surface, and a front ferrule which is receivable coaxially over the tubing end. An externally-threaded nut is recei... | 02/08/2005 |
| 6843514 | Pipe coupling device A pipe coupling device (2) for joining the ends of two pipes is disclosed. The pipe coupling device (2) includes a sleeve (4) configured to receive an end of a pipe and having an annular first abutment surface (6); a compression member ( | 01/18/2005 |
| 6832791 | Connection means for interconnecting two duct elements Connection elements for interconnecting two duct ends, the elements comprising a tubular connection member for uniting the duct ends, the tubular member comprising at least one pair of half-bodies which is arranged so as to be closed on at least one duct end and whi... | 12/21/2004 |
| 6712090 | Hydraulic valve A fluid tank valve assembly of the type employed for water tanks for toilets has a tank refill valve located atop a fluid inlet supply tube. The refill valve has a lever that is raised and lowered to open and close the valve. An inverted, cup-shaped hood is position... | 03/30/2004 |
| 6702336 | Coupling device for polymeric pipes A pipe coupling, wherein a pipe is freely insertable into the coupling and a nut causes engagement of a grip ring and gasket with the pipe to provide a seal between the coupling and the pipe, having a stop disposed therein to indicate to a user that the p... | 03/09/2004 |
| 6641178 | Jointing system for pipes A copper pipe has a circumferential groove formed in an outer wall to receiver an O-ring seal. The groove is formed a pre-set distance from a free end of the pipe. Two pipe lengths are jointed together by a coupling having a housing with pipe seal-receivi... | 11/04/2003 |
| 6575501 | Tube sealing bushing A deformable bushing to seal tubing to a receiving body is provided. The bushing includes a pair of grooves extending around the bushing with an annular ring between the grooves. The grooves are cut to a depth leaving sufficient wall thickness, and have a... | 06/10/2003 |
| 6565125 | Coupling assembly for joining plastic and metal pipes A coupling body has: (i) a central member; (ii) a first retaining member; and, (iii) a second retaining member. The first retaining member and the central member define a first pipe receiving region. The second retaining member and the central member defi... | 05/20/2003 |
| 6505860 | Connection device for conduits A connection device for making a tight connection between two ends of tubes is provided. The connection device includes a body having two symmetrical and opposite portions for engaging ends of respective tubes, and each of the portions has a hooking eleme... | 01/14/2003 |
| 6394464 | Sealed passage device A sealing device for installation between a partition and at least one cable or conduit passing through a hole in the partition, includes two half-shells together forming a cylindrical body which completely surrounds the cable or conduit and is fixed to t... | 05/28/2002 |
| 6328345 | Secondary tubing containment system for a metering pump A secondary tubing containment system (10) is provided for a discharge tube (18) of a chemical metering pump (14) in a chemical addition system (12). One end of the discharge tube (18) is engaged in a fitting (20) on the metering pump (14), and the other ... | 12/11/2001 |
| 6309890 | Locking structure for securing a fluid transfer tube A test sample card is provided with a locking feature for achieving a positive, locking engagement with a transfer tube that conducts fluid into the interior of the test sample card. The locking feature consists of a tubular channel inwardly disposed from... | 10/30/2001 |
| 6302449 | Sealing ring/sealing nut This invention is a method and device for protecting steel gas lines and the like from environments which it may have to pass through, such as masonry and brick walls where the corrosive effects of chemicals in the cement could be disastrous. The device i... | 10/16/2001 |
| 6200113 | Fluid coupling assembly and method A fluid coupling assembly includes a first connection member, a second connection member, and a flow sealing member. The first connection member has an exterior surface, an interior surface and a threaded through hole from the exterior surface to the inte... | 03/13/2001 |
| 6193286 | Device and method for connecting a fluid conduit to a receiving fitting A fitting provides a means of making a union between a tube and a female fitting with low dead volume and without the use of tools. The fitting is comprised of a tube member that is pressed into the female fitting to automatically remove dead volume. The ... | 02/27/2001 |
