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| Number | Title | Issue Date |
| 6062609 | Cuff for connecting to an equipment, particularly a pipe The cuff (25) for connecting a tube (26) to two pipes (2) or two equipments together includes, at each end, a knuckle joint mechanism (31) bearing on a clamp (3) integral with the pipe (2) and which forces the end of the tube (26) against the mouth (4). T... | 05/16/2000 |
| 5997050 | Double cone coupling nipple of a steel tubing and method of making same A thin-walled steel tubing is to be constructed with a double cone coupling nipple for the tight screwed connection with a counterpart by way of a cap screw in a crack-resistant manner. The steel tubing is thin-walled and constructed of high-strength stee... | 12/07/1999 |
| 5961159 | Quick-coupling part arrangement A first quick-coupling part can be brought into interaction with a second quick-coupling part via an interaction portion. The quick-coupling parts are held together with locking members. The interaction portion is designed with a surface layer which bring... | 10/05/1999 |
| 5934714 | Tube fitting assembly A tube fitting assembly is provided in which the back sleeve 4 can be simply fabricated without any reduction in its corrosion resistance. The back sleeve 4 is fabricated by pressing the exterior edge of the front end of a short column with a roller 6 of ... | 08/10/1999 |
| 5836624 | Metal part including a spherical wall element, and an exhaust ball-coupling including such a part The spherical wall element (2, 15) is provided with a series of work-hardened annular strips (16, 17) spaced apart and extending substantially coaxially so as to form reinforcement that is not very deformable for the spherical wall element.... | 11/17/1998 |
| 5564752 | Apparatus for solvent bonding non-porous materials to automatically create variable bond characteristics An apparatus which creates a pre-engineered solvent bond is disclosed which allows the bond characteristics of the resultant solvent bond to be predetermined. These characteristics can thus be chosen by the part designer with confidence that inherent vari... | 10/15/1996 |
| 4881763 | Fuel injection line with compression nipple formed thereon by upsetting and process for the production thereof A fuel injection line for an internal combustion engine is provided at least one of its ends with a compression nipple formed thereon by upsetting, with a sealing taper portion having a sealing surface at a taper angle relative to the axis of the nipple. ... | 11/21/1989 |
| 4770444 | Joint for oil-or gas-field pipe A gas- and oil-field pipe joint comprises a female part formed with a frustoconical internal thread and a male part formed with a complementary frustoconical external thread and screwable into the female part with both parts centered on a common axis. The... | 09/13/1988 |
| 4537427 | Clip for a fluid coupling This disclosure relates to a fluid coupling including a nipple, an adapter sleeve, and a U-shaped clip for fastening the nipple and the sleeve together. The nipple has an annular rectangular-shaped groove therein and the sleeve has two circular bores ther... | 08/27/1985 |
| 4375715 | Method for making swivel fitting The present invention relates to swivel fluid fittings and swivel hose ends. In prior art designs, it has been a problem to provide simple, compact, and economical swivel fluid fittings in which the ball thrust bearings are both lubricated and protected f... | 03/08/1983 |
| 4299415 | Swivel fitting and method for making The present invention relates to swivel fluid fitting and swivel hose ends. In prior art designs, it has been a problem to provide simple, compact, and economical swivel fluid fittings in which the ball thrust bearings are both lubricated and protected fr... | 11/10/1981 |
| 4248460 | Plastic pipe fitting This invention relates to a plastic pipe fitting having a connecting portion for attachment to another fitting and a joining portion to be fuse bonded to a length of pipe, whereby successive lengths of plastic pipe may be releasably connected. The connect... | 02/03/1981 |
