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Class Information
Number: 292/256.65
Name: Closure fasteners > Clamps > Ring > With expanding or contracting means
Description: Devices combined with means to expand and/or contract the ring to closure fastening position.


Sub-classes under this class:

Class Number Class Name Patents
292/256.67 Screw 39
292/256.69 Toggle lever 46


Patents under this class:

Patent Number Title Of Patent Date Issued
7597367 Closure ring assembly for steel drums Oct. 6, 2009
7503523 Closure system for a support structure Mar. 17, 2009
7497489 Container and lid combination with closing ring assembly Mar. 3, 2009
7341161 Closure for a pressure vessel and method Mar. 11, 2008
7243962 One piece locking belt Jul. 17, 2007
7086672 Reactor clamp Aug. 8, 2006
7051897 Closure for a pressure vessel and method May. 30, 2006
6435576 Closure ring assembly for an open-head drum Aug. 20, 2002
6007120 Clamping ring with removable handle Dec. 28, 1999
5964368 Elastic loop closure holder Oct. 12, 1999
5766557 Fluidized-bed apparatus Jun. 16, 1998
5715965 Hatch seal Feb. 10, 1998
5411349 Apparatus for coupling cylindrical structural components to each other May. 2, 1995
5411162 V-band coupling for an explosion-proof enclosure May. 2, 1995
5293813 Cooking pot with improved locking structure Mar. 15, 1994
5016839 Device for the locking and unlocking of two elements of a projectile, notably of a parachute container May. 21, 1991
4964659 Diaphragm latch mechanism Oct. 23, 1990
4586425 Clamp locking device May. 6, 1986
4489850 Closure member for pressure vessel Dec. 25, 1984
4481888 Safes Nov. 13, 1984
4347944 Cover for a cylinder-shaped pressure container Sep. 7, 1982
4315577 Closure assembly Feb. 16, 1982
4303177 Cavity closure arrangement for high pressure vessels Dec. 1, 1981
4294377 Constant pressure cooker and fastener Oct. 13, 1981
4288116 Apparatus for fastening flanged tubular members Sep. 8, 1981
4194772 Plastic locking ring and method of making Mar. 25, 1980
4102474 Closure member Jul. 25, 1978
4073521 Closure lock with inflatable bladder Feb. 14, 1978
4043691 Device for locking a body to be mounted Aug. 23, 1977
3989290 Device for closing a pressure vessel Nov. 2, 1976



 
 
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