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| Number | Title | Issue Date |
| 7270501 | Expandable rock bolt and rock bolting system The present invention is related to a rock bolt (7), expandable by means of a pressure media, for insertion into a borehole. The expandable bolt (7) comprises a connection unit (8) with means (11) for detachable interaction with an expans... | 09/18/2007 |
| 7159475 | Apparatus and method of sampling semivolatile compounds An apparatus and method for sampling semivolatile compounds is disclosed. A collection bag is placed around an air conditioning vent on an aircraft. An opening in the collection bag receives air from the air conditioning vent into the bag. An exit in the collection ... | 01/09/2007 |
| 7140645 | Quick-connecting coupler for hoses, pipes and faucets A coupler for coupling an end of a hose to a mating end of a faucet or another hose. In the first embodiment, the female end of the coupler is mechanically locked in sealing engagement with a male end by simply translation thereof by means of wedges and an outer ret... | 11/28/2006 |
| 6921111 | Remotely actuated quick-release coupling A remotely actuated quick-release coupling having a male assembly and a female assembly. The female assembly has an inner sleeve and an outer sleeve, with the male assembly being removably insertable into the inner sleeve. A spring-loaded latching mechanism is locat... | 07/26/2005 |
| 6902209 | Grease gun adaptor device An improved grease gun adaptor device, wherein cost efficient refills for a standard grease gun can be utilized to lubricate equipment and tools having grease fittings that heretofore have required the purchase of brand specific tubes of grease, wherein a flexible d... | 06/07/2005 |
| 6416085 | Pressurized hose coupling A fluid pressure hose coupling for connecting a flexible hose to a pressurized fluid line. The coupling has a connecting end section for securement to a pressurizable line and a cylindrical nipple end section for securing an end section of a flexible hose... | 07/09/2002 |
| 6056328 | Coupler for connecting tubular member without deformation of tubular member due to concentration of stress A coupler connects a gas leakage testing system to a pipe forming a part of a high pressure fluid conduit system, and a stationary case connected to the gas leakage testing system, a movable member movable in the inner space of the stationary case in an a... | 05/02/2000 |
| 5799985 | Tube testing connector A tube testing connector adapted to engage a tube for pressurization thereof including a hollow body defining an entrance aperture at one end thereof for insertion of a tube to be tested and a pressure aperture defined in an end cap positioned at the othe... | 09/01/1998 |
| 5788289 | One-piece coupler for connecting hoses A hose-coupler made up of a just one component having a main housing section with a female end and a male end. The second female end of the coupler is formed with interior threads, for receiving therein a portion of the male end of the second hose. The ma... | 08/04/1998 |
| 5172943 | Pipe joint and its pipe slipout preventive mechanism A pipe joint for connecting pipes for passing a variety of fluid such as liquid or gas has been improved and has a pipe slipout preventive mechanism. In structure, the main body of the pipe joint is formed by coupling a nipple and a socket. An insert to b... | 12/22/1992 |
| 4884830 | Quick connect coupling device A pressure balanced coupling device for quick connection and disconnection with at least one mechanism. The device operates to maintain a sealed flow-through connection between two devices which may also contain a pressurized medium such as refrigerants. ... | 12/05/1989 |
| 4716938 | Pressure-tight plug coupling A plug coupling for providing a pressure-sealed connection to a device provided with a connecting member comprising a cylindrical housing; a piston shiftable within the housing clamping jaws connected to the piston and concentrially arranged around the lo... | 01/05/1988 |
| 4577833 | Hose fitting with automatic separation under strong tensile stress The fitting comprises a tubular outer casing provided with a fixed inlet portion and an axially movable outlet portion. Inside the casing there is provided a releasable connection system, which in response to a strong stress of mutual removal of said casi... | 03/25/1986 |
| 4394874 | Valve construction for quick-closure coupling A socket valve of a quick-coupling for fluid lines under pressure has a sliding sleeve into an end recess of which a portion of a plug valve of the coupling is insertable, to be held by locking means. The sleeve is movable between a securing position in w... | 07/26/1983 |
| 4326407 | Leak test tools A fitting for mounting to the ends of smooth wall tubes, particularly, expanded end tubes and beaded or barbed end tubes. The fitting grips behind the expansion or beaded end on the tube and seals on the tube outer diameter. The fitting also has a pressur... | 04/27/1982 |
