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Class Information
Number: 137/68.27
Name: Fluid handling > Destructible or deformable element controlled > Destructible element > Rupture disc > Specific weakening point
Description: Subject matter specially modified to have an area of varied thickness creating a vulnerable section to enable the pressure disc to more easily break.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8701625 Diesel engine, predetermined breaking component for diesel engine as well as method for avoiding damages to a diesel engine Apr. 22, 2014
8622071 Rupture panel Jan. 7, 2014
8522808 Safety valve for gastight battery and gastight battery using safety valve Sep. 3, 2013
8511328 Plugged hot tap tee Aug. 20, 2013
8387647 Overpressure indicating reverse buckling disk apparatus Mar. 5, 2013
8371611 Rupture feature for inflator of vehicle airbag Feb. 12, 2013
8333212 Rupture disc with machined line of opening Dec. 18, 2012
8322360 Rupture panel Dec. 4, 2012
7971759 Aerosol container with pressure relief mechanism Jul. 5, 2011
7870865 Safety pressure relief device Jan. 18, 2011
7784482 Pressure relief device assemblies Aug. 31, 2010
7628167 Spring steel high overpressure vent structure Dec. 8, 2009
7607688 Rupturable member Oct. 27, 2009
7600527 Reverse acting rupture disc with laser-defined electropolished line of weakness and method of forming the line of weakness Oct. 13, 2009
7556063 High overpressure vent structure having spring steel recloser panel Jul. 7, 2009
7533727 Oil well completion tool having severable tubing string barrier disc May. 19, 2009
7401808 Inflator having an improved closure cap Jul. 22, 2008
7281544 Devices and methods for controlling the release of a substance Oct. 16, 2007
7251920 Lateral force resisting system Aug. 7, 2007
7234481 Safety pressure relief device Jun. 26, 2007
7222757 Pressure relief device for aerosol can May. 29, 2007
7156257 Compressed gas cylinder Jan. 2, 2007
7140380 Cell safety valve and cell having same Nov. 28, 2006
7004188 Anti-rupture device Feb. 28, 2006
6976499 Tear-out coupling with cantilevered pull tab Dec. 20, 2005
6810966 Extinguisher Nov. 2, 2004
6792964 Pressure relief device assemblies Sep. 21, 2004
6672389 Bulged single-hinged scored rupture having a non-circular varying depth score line Jan. 6, 2004
6622748 Tear-out coupling with cantilevered pull tab Sep. 23, 2003
6607003 Gasket-lined rupture panel Aug. 19, 2003
6595242 Tear-out coupling with embedded wire Jul. 22, 2003
6589687 Cleaved type safety valve for metal vessels Jul. 8, 2003
6571816 Cell safety valve and method for manufacturing the same Jun. 3, 2003
6564823 Method and apparatus for testing plumbing installations May. 20, 2003
6446653 Rupture disk assembly Sep. 10, 2002
6431383 Enhanced reverse buckling rupture disc Aug. 13, 2002
6361070 Method of opening a burst disc on a pressurized container as well as a compressed gas source for activating a vehicle occupant restraint system Mar. 26, 2002
6357792 Air bag inflator with burst disk Mar. 19, 2002
6192914 Rupture disk safety member Feb. 27, 2001
6186159 Rupture disk controlled hydraulically actuated valve assembly Feb. 13, 2001
6182704 Frangible sealing plug for pipelines Feb. 6, 2001
6178983 Rupture disk assembly Jan. 30, 2001
6131599 Rupture disk controlled mechanically actuated pressure relief valve assembly Oct. 17, 2000
6062599 Air bag inflator May. 16, 2000
6006938 Enhanced reverse buckling rupture disc Dec. 28, 1999
5996605 Rupture disk safety member Dec. 7, 1999
5967170 Pressure relief panels Oct. 19, 1999
5934308 Rupture disk apparatus and methods Aug. 10, 1999
5865207 Releasing means Feb. 2, 1999
5632505 Pressure vessel with rupturable closure wall May. 27, 1997

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