Matches 1 - 33 out of 33


Match Document Document Title
7481150 Fluid cylinder for high temperature applications  
A fluid cylinder for high temperature applications is disclosed. The fluid cylinder includes an extensible member that moves between a retracted position and an extended position by forcing a...
5392692 Antiblow-by piston and seal construction for high temperature applications  
A piston and ring assembly operative within a cylindrical bore wall to retain fluid to one side of the assembly, comprising a piston having at least one annular stepped groove in the side wall of...
5235900 Rotary actuator device having an annular piston rod  
A rotary actuator device having an annular piston rod, the device comprising at least one piston held provided with sealing means and co-operating with an annular piston rod mounted so as to be...
5048592 Plunger for a diecasting machine  
A plunger for forcing molten aluminum or brass out of a casting cylinder of a diecasting machine includes a cap which is screwed via an internal thread onto an external thread of a supporting body...
4743033 Dynamic seal assembly for piston and cylinder operating in subterranean wells  
A dynamic seal for effecting the sealing of a piston which is axially movable in a cylinder bore comprising a primary sealing element formed of a non-elastomeric sealing material having a hub...
4741543 Piston scraper ring  
A cylinder and piston assembly with an oil scraper ring having a radially washer seated in a radial piston groove, and a scraping skirt having a radially resilient truncated portion with the base...
RE32395 Piston and piston rings set  
New assembly of cylinder, lightweight piston and piston rings for engines and compressors comprising in a cylinder a reduced weight piston provided with a new simpler piston rings set of a high...
4531581 Piston actuated high temperature well packer  
A well packer for use in a well bore having initially retracted packing seal and slip means which are actuated by hydraulic pistons, the improvement in various seals which allow the packer to be...
4152820 Method of expanding shot tip  
A method of expanding the shot tip in a die cast machine to maintain a sealing fit between the cold chamber and shot tip includes positioning a separate tool with an annular projecting beveled rim...
3994208 Piston for high-pressure hydraulic machine  
The present invention concerns a piston for high pressure hydraulic machines. Said piston comprises a cylindrical body having at the periphery thereof a resiliently deformable cylindrical flange...
3902405 Ringless piston  
A ringless piston in which a sealing flange at one or both ends of the piston has a thickness such that it expands under working pressure and in accordance with bursting tendencies of the flange....
3779672 AIR COMPRESSOR  
A compressor which is adapted to operate in a dry condition without any lubricant. The compressor has a cylinder which defines a compression chamber in its interior and which is provided with a gas...
3745890 RINGLESS PISTON  
A ringless piston in which a sealing flange at one or both ends of the piston has a thickness such that it expands under working pressure and in accordance with bursting tendencies of the flange....
3687018 HIGH COMPRESSION PISTON RING AND PISTON ASSEMBLY  
A piston and ring assembly for internal combustion engines wherein a piston mounts a split piston ring having a portion seated in a groove for the ring and a portion extending radially outwardly of...
3645174 ANTIEMISSIONS COMPRESSION PISTON RING  
A U-shaped cross section piston ring for use at the top of an internal combustion engine piston with one leg thereof received in a circumferential groove spaced from the top of the piston and the...
3415170 Sealing arrangement for piston-cylinder pressure vessel  
3333513 Guide arrangement for pistons and cylinders  
3264005 Fluid pressure seals  
3245591 Dispensing piston can  
3128718 High pressure pump  
3049370 High temperature seal assembly  
2992052 Self sealing piston  
2977167 Seal means  
2970021 Device for sealing relatively movable machine parts  
2955627 Hydraulic tool  
2932865 Cold chamber shot end with loose piece arrangement  
2915348 Piston packing  
2903308 Composite cylinder  
2874012 Piston ring and piston construction  
2865694 Pistons for internal combustion engines  
2862775 Packing gland and sealing ring  
2844427 Torsion compression and oil ring  
2787505 Piston for internal combustion engine  
Matches 1 - 33 out of 33