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| Number | Title | Issue Date |
| 7600527 | Reverse acting rupture disc with laser-defined electropolished line of weakness and method of forming the line of weakness A reverse acting rupture disc is provided having a laser defined electropolished line-of-weakness recess, and an improved method of forming an electropolished line-of-weakness recess in a reverse acting rupture disc that assures full opening of the disc upon reversa... | 10/13/2009 |
| 7401808 | Inflator having an improved closure cap An inflator has a sealed vessel for containing compressed gas. The inflator has an axis. The vessel has a gas outlet passageway. The inflator has an elongated sealing cap closure with an internal chamber portion open to the compressed gas and sealed vessel to seal t... | 07/22/2008 |
| 7350535 | Valve A valve apparatus (100) for use in sterile fluid transfer or isolator systems has open entry (10) and exit (11) sides and a passageway (9) for fluid between the entry (10) and the exit (11) sides. The entry side (10) ... | 04/01/2008 |
| 7281544 | Devices and methods for controlling the release of a substance Valves for controlling the release of a substance, include a housing having an inlet for connection to a source of the substance, an outlet, and a passage extending therebetween. The passage is enclosed by a ceramic disc and means are provided to apply an electrical... | 10/16/2007 |
| 7251920 | Lateral force resisting system A lateral force resisting system includes a rigid structural panel and holdowns. A foundation bolt placement template may be used to locate and support the foundation bolts during fabrication of the foundation and to further secure the frame foundation interface. Th... | 08/07/2007 |
| 7234481 | Safety pressure relief device A safety pressure relief device comprises an annular flange portion (22), a concave/convex dome portion (24) and a transition portion (26) between the flange portion (22) and the dome portion (24), the transition portion (26... | 06/26/2007 |
| 7234278 | Unitary overpressure vent panel structure Unitary one-piece frameless overpressure vent panel assembly (10) includes a rigid, generally planar primary support member having a central relief opening (26), a rigid, generally planar secondary support member (44) provided with a central rel... | 06/26/2007 |
| 7222757 | Pressure relief device for aerosol can A pressure relief device for venting an internally pressurized container such as an aerosol can has three sections, a concave annular outer area, a circular central area and an annular intermediate area connecting the concave annular area to the circular area. The t... | 05/29/2007 |
| 7156257 | Compressed gas cylinder The present invention provides a compressed gas cylinder that is capable of storing a compressed fluid at high pressures. The cylinder of the present invention includes a body terminating in an inwardly domed cap. The dome included in the cap of the compressed gas c... | 01/02/2007 |
| 7140380 | Cell safety valve and cell having same A cell according to the present invention comprises a positive electrode, a negative electrode, an electrolyte solution, and an outer casing, wherein the outer casing comprises a valve plate 30 having a thickness, an annular-shaped break groove 4 forme... | 11/28/2006 |
| 7017767 | Non-fragmenting pressure relief apparatus Non-fragmenting pressure relief apparatus includes at least one circular rupture disc having a central asymmetric bulged section and a peripheral flange portion. A semi-circular line of weakness extends around the periphery of the bulged section and presents a hinge... | 03/28/2006 |
| 7004188 | Anti-rupture device The invention relates to a fluid conduit piece (8) for passing therethrough a spontaneously exothermic working fluid such as a synthetic polymer, a cellulose derivative and a solution on the basis of cellulose, water and amino oxide, said fluid conduit piece ... | 02/28/2006 |
| 6976499 | Tear-out coupling with cantilevered pull tab A unitary removable barrier for installation in a cylindrical water line to selectively block the water line to passage of water therethrough. The unitary removable barrier is composed of a single piece body having at least one cylindrical section sized to receive u... | 12/20/2005 |
| 6959828 | Non-fragmenting pressure relief apparatus A non-fragmenting pressure relief apparatus includes a rupture disc having a central bulged or flat section and a peripheral flange portion. Certain embodiments of the invention have a butterfly shaped element having two wing panels attached to the underside of a ru... | 11/01/2005 |
| 6948515 | Carbon rupture disk assembly A rupture disk assembly for use in a pressurized fluid passageway within an application environment having a temperature operational range. The disk assembly includes a cylindrical one-piece disk consisting of unimpregnated graphite, a single bore extending partway ... | 09/27/2005 |
| 6945420 | Reverse buckling sanitary rupture disc assembly A metal reverse buckling sanitary rupture disc is provided having a central bulged section in which the convex surface of the bulged section is relatively smooth and of substantially uninterrupted configuration. A small segment region of the central bulged section i... | 09/20/2005 |
| 6810966 | Extinguisher An extinguisher includes a compressed-gas generator for fighting fire and incipient explosions, and the extinguisher includes at least one rupture diaphragm having a rupture joint, in order to seal the extinguishing-agent vessel. In its center, the rupture diaphragm... | 11/02/2004 |
| 6792964 | Pressure relief device assemblies The present invention is directed to pressure relief devices and to corresponding pressure relief assemblies that have improved vacuum resistance, improved fragmentation resistance, and/or improved burst control while maintaining low mass. The pressure relief device... | 09/21/2004 |
| 6672389 | Bulged single-hinged scored rupture having a non-circular varying depth score line A unitary, forward buckling rupture disc is provided that is adapted to be mounted in a holder in which the disc is in closing relationship to a tubing string in an oil well and has greatest utility for testing the integrity of the connection between the ... | 01/06/2004 |
| 6622748 | Tear-out coupling with cantilevered pull tab A unitary removable barrier for installation in a cylindrical water line to selectively block the water line to passage of water therethrough. The unitary removable barrier is composed of a single piece body having at least one cylindrical section sized t... | 09/23/2003 |
| 6607003 | Gasket-lined rupture panel There is provided herein an improved rupture panel or disk that consists of a sheet metal top section with a relatively thick polymer foam seal attached thereto. In the preferred arrangement the instant invention does not require a separate support member... | 08/19/2003 |
| 6595242 | Tear-out coupling with embedded wire A unitary removable barrier for installation in a cylindrical water line to selectively block the water line to passage of water therethrough. The unitary removable barrier is composed of a single piece body having at least one cylindrical section sized t... | 07/22/2003 |
| 6589687 | Cleaved type safety valve for metal vessels There has been developed a safety valve installed on a small-sized cell vessel which remains hermetically sealed during the normal operation but which instantly releases the pressure in the inside of the vessel if, due to abnormalities, such as overchargi... | 07/08/2003 |
| 6571816 | Cell safety valve and method for manufacturing the same A cell safety valve which has a thin valve plate formed on a sheet-shaped sealing plate for sealing the cell such that if the inner pressure of the cell exceeds a predetermined value, the valve plate breaks to release a gas in the cell to the outside, in ... | 06/03/2003 |
| 6564823 | Method and apparatus for testing plumbing installations A method and apparatus for testing plumbing installations including a tool for making an opening through a test cap or other blockage in a fluid-carrying line of a plumbing system. The tool and cap make the testing method possible. During the rough-in plu... | 05/20/2003 |
| 6446653 | Rupture disk assembly An improved rupture disk assembly and methods and apparatuses for forming a rupture disk are disclosed. The rupture disk assembly includes a rupture disk having a flange connected to a dome-shaped rupturable portion by a transition area. The rupturable po... | 09/10/2002 |
| 6431383 | Enhanced reverse buckling rupture disc An improved reverse rupture disc for use as a safety pressure relief device is provided. The disc is defined by an annular flat flange region, a concave-convex disc dome region and a transition region that joins the disc-shaped flat flange region to the c... | 08/13/2002 |
| 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 For opening a closure disc arranged on a pressurized container for activating a vehicle occupant restraint system, the surface area of the closure disc is locally exposed to an arc discharge between an electrode and the closure disc. By means of an electr... | 03/26/2002 |
| 6357792 | Air bag inflator with burst disk An apparatus (10) for inflating an inflatable vehicle occupant protection device (12) comprises a container (14) defining a chamber (16). The container (16) has an opening (24) through which fluid can flow from the chamber (16). A quantity of inflation fl... | 03/19/2002 |
| 6192914 | Rupture disk safety member The present invention provides an improved rupture disk apparatus and manufacturing method. The apparatus includes a rupture disk having at least one area of weakness formed by the displacement of material through a partial shearing motion. The weakened a... | 02/27/2001 |
| 6186159 | Rupture disk controlled hydraulically actuated valve assembly A pressure responsive valve assembly is disclosed as having a frangible burst disk that largely controls actuation of the valve. The valve assembly includes a housing having an inlet and an outlet and a valve seat therein. An actuating unit includes a col... | 02/13/2001 |
| 6182704 | Frangible sealing plug for pipelines A frangible sealing plug for pipelines comprising a unitary disc shaped fluid impermeable body having a plurality of score lines on one side, and a peripheral score line on the opposite side adjacent a peripheral sealing structure. The peripheral sealing ... | 02/06/2001 |
| 6178983 | Rupture disk assembly An improved rupture disk assembly for a pressure relief system is disclosed. The rupture disk assembly is sealed between an inlet support member and an outlet support member, each of which define a central fluid pathway. A rupture disk that includes a fla... | 01/30/2001 |
| 6131599 | Rupture disk controlled mechanically actuated pressure relief valve assembly Improved burst disk-type pressure responsive valve assemblies (20, 184) of the pressure relief and shutdown variety are provided which utilize frangible burst disks (30, 204) which largely determine the set point pressures for the valves. The assemblies (... | 10/17/2000 |
| 6062599 | Air bag inflator An apparatus (10) for inflating an inflatable vehicle occupant protection device includes a container (12) having a chamber (14), and inflation fluid (16) under pressure in the chamber for inflating the inflatable device. The apparatus (10) includes an ou... | 05/16/2000 |
| 6006938 | Enhanced reverse buckling rupture disc An improved reverse rupture disc for use as a safety pressure relief device is provided. The disc is defined by an annular flat flange region, a concave-convex disc dome region and a transition region that joins the disc-shaped flat flange region to the c... | 12/28/1999 |
| 5996605 | Rupture disk safety member The present invention provides an improved rupture disk apparatus and manufacturing method. The apparatus includes a rupture disk having at least one area of weakness formed by the displacement of material through a partial shearing motion. The weakened a... | 12/07/1999 |
| 5967170 | Pressure relief panels A pressure relief panel (1) for a vessel is mounted within a frame (11, 17) in the vessel wall. The panel (1) has a flap (3) which bursts open on predetermined over (or under) pressure within the vessel. The periphery of the flap (3) is at least partly de... | 10/19/1999 |
| 5934308 | Rupture disk apparatus and methods The present invention provides an improved rupture disk apparatus and manufacturing method. The apparatus includes a rupture disk having at least one area of weakness formed by the displacement of material through a partial shearing motion. The weakened a... | 08/10/1999 |
| 5865207 | Releasing means A releasing device for rocket fuel lines, arranged between a tank outlet and a shutoff valve, which releases the flow path at a defined, tank-side overpressure, with a piston-like bursting element. A disk is provided with a predetermined breaking point an... | 02/02/1999 |
