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Class Information
Number: 220/320
Name: Receptacles > Closures > Having means for securing or retaining closure in its closed position (e.g., fastening devices) > Ring type > For applying radial pressure (e.g., contractable bands encircling member)
Description: Device wherein the closure retaining device is in the form of a ring capable of exerting a converging or diverging force in a direction parallel to the face of the closure.










Sub-classes under this class:

Class Number Class Name Patents
220/321 Lever operated 59


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8684225 Locking cap for a vessel having a neck Apr. 1, 2014
8616404 Shipping container Dec. 31, 2013
8602245 Enclosure clamps and clamp systems Dec. 10, 2013
8413689 Storm drainage conduit plug with a sealing band Apr. 9, 2013
8413833 Ruggedized composite rack mount transport case Apr. 9, 2013
8308011 Yoke type quick opening closure Nov. 13, 2012
8251243 Closure having a segmented locking ring Aug. 28, 2012
8091727 Snap-over clamshell protective port cap Jan. 10, 2012
8052004 Releasable lockable lid Nov. 8, 2011
7963415 Building design of a container-drum Jun. 21, 2011
7934617 Container having a detachable lid May. 3, 2011
7850751 Access cover for piping or vessel Dec. 14, 2010
7802694 Pressure vessel door seal mechanism Sep. 28, 2010
7770750 Vessel for pressurized treatment of objects Aug. 10, 2010
7533699 End cap clamping and sealing system May. 19, 2009
7481927 Manufacture of casings for use in the desalination of water and the filtration of liquids Jan. 27, 2009
7051895 Container covering system May. 30, 2006
7036674 Closure for a pressure vessel and method May. 2, 2006
7011236 Assembly for securing and sealing a dispenser including a decorative collar to a flanged container Mar. 14, 2006
6959831 Gasketless drum Nov. 1, 2005
6889864 Source chemical container assembly May. 10, 2005
6786346 Security closure for a container Sep. 7, 2004
6401958 Lid closure system Jun. 11, 2002
6315146 Closure for containers and use of the closure Nov. 13, 2001
6253941 Assembly for securing and sealing a dispenser to a flanged container Jul. 3, 2001
6185807 Component sealing system Feb. 13, 2001
6015058 Paintball gun loader Jan. 18, 2000
6000570 Container lid with tamper evident slip band Dec. 14, 1999
5971190 Split ring closure for cylindrical drum Oct. 26, 1999
5964368 Elastic loop closure holder Oct. 12, 1999
5908210 Automated flange retaining clamp with redundant fasteners Jun. 1, 1999
5829624 Protective shoe for open top metal containers Nov. 3, 1998
5823340 Sterilization container Oct. 20, 1998
5762227 Spreadable circular clamp ring and salvage drum including same Jun. 9, 1998
5713482 Polymeric split ring clamp Feb. 3, 1998
5697513 Gasket for sealing material storage drum Dec. 16, 1997
5647561 Containment assembly for spin table Jul. 15, 1997
5605244 Plastic container with closure locking mechanism Feb. 25, 1997
5584410 Drum closure assembly Dec. 17, 1996
5568876 Reusable barrel of synthetic resin Oct. 29, 1996
5497897 Container for holding fluent material Mar. 12, 1996
5487484 Device for the airtight closing of a package with fast open-and-shut system Jan. 30, 1996
5433334 Closure member for pressure vessel Jul. 18, 1995
5427264 Open top plastic drum cover Jun. 27, 1995
5419430 Preserved food container and drum May. 30, 1995
5411162 V-band coupling for an explosion-proof enclosure May. 2, 1995
5391011 Applicator for makeup or for a hair-care product Feb. 21, 1995
5361928 Closure assembly Nov. 8, 1994
5333747 Method and apparatus for securing a draw band to a drum Aug. 2, 1994
5301853 Open top plastic drum with plastic cover Apr. 12, 1994

1 2 3










 
 
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