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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 8038023 | Molded container with degassing valve A molded plastic container includes a side wall having a valve seat feature molded into the side wall, the valve seat feature comprising a central recess in the outer surface of the side wall, and an annular valve seat surrounding the central recess. The container h... | 10/18/2011 |
| 7735671 | 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... | 06/15/2010 |
| 7624888 | Low pressure venting munitions container A container has at least one seam, the at least one seam having a joined portion and an unjoined portion. A seal seals the unjoined portion of the seam, the seal being operative to fail due to internal pressure before a remainder of the container. The container may ... | 12/01/2009 |
| 7325574 | Rupture disc assembly for pneumatic plugs A rupture disc assembly for pneumatic plugs constructed and arranged to cooperate with an aperture in an end casting of the plug to expel excess air from the plug interior when a predetermined internal plug pressure is reached. The rupture disc assembly utilizes a r... | 02/05/2008 |
| 7308903 | Pressure relief device A pressure relief device is provided. The pressure relief device includes a sealing member and a low-pressure support member that is adapted to provide support to the sealing member when the sealing member is subject to a certain pressure differential. The low press... | 12/18/2007 |
| 7287474 | Consumer pyrotechnics support apparatus A reusable pyrotechnics support device for securely holding consumer ground-based fireworks (for example, fountains, mortars, multiple aerials, and the like) in a vertical and upright position, using a sufficiently wide base that is resistant to tipping over. In cer... | 10/30/2007 |
| 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 |
| 7255017 | Rupture disc monitoring system A rupture disc status monitoring system is provided for a manufacturing process. An embodiment of the system comprises at least one section of enclosure material having a flow path for a given substance upon rupture of a rupture disc associated with a vessel contain... | 08/14/2007 |
| 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 |
| 7237619 | Automatic fire sprinkler having a variable orifice An automatic fire sprinkler having a variable orifice, the sprinkler having a variable orifice associated with the automatic fire sprinkler, and wherein the orifice is responsive to the water inlet pressure of the sprinkler. ... | 07/03/2007 |
| 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 |
| 7228935 | Attachment pin for an exhaust-gas muffler The invention relates to an attachment pin (1) for fixing an exhaust-gas muffler (2) in an apparatus part (4) of a portable handheld work apparatus (5) driven by an internal combustion engine. The exhaust-gas muffler (2) includes e... | 06/12/2007 |
| 7226405 | Methods and apparatus for forming a reverse kiss cut and score line in a sheet of deformable material Methods and apparatus for forming a score line with a reverse kiss cut in a deformable material are provided. A method can include providing two plates, such as a die plate with a scoring rule thereon and a counter plate with an aligned corresponding recess with a k... | 06/05/2007 |
| 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 |
| 7204265 | Bursting insert The present invention relates to a bursting insert for installation in a pipeline system for transporting a fluid showing a spontaneous exothermic reaction. The bursting insert comprises a wall which surrounds—at least in part on the outside—a passage volume hav... | 04/17/2007 |
| 7201003 | Magnet vent assembly apparatus A magnet vent assembly for venting a cryogenic gas from a superconducting magnet of an MRI system. The assembly comprises: a first burst disc, the first burst disc comprising a first inlet and a first outlet; a second burst disc, the second burst disc comprising a s... | 04/10/2007 |
| 7195839 | Battery cell with improved pressure relief vent An electrochemical cell with a pressure relief vent formed in a metal plate disposed in at least one of the closed end and the open end of the container. The pressure relief vent has an annular ring that includes a reduced thickness groove, interrupted in at least t... | 03/27/2007 |
| 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 |
| 7117813 | Submarine boat The submarine is equipped with a fluid gas pressure container, in particular for storing liquid oxygen. The liquid gas pressure container is arranged within the pressure hull of the submarine and is surrounded by an outer pressure container which is likewise stored ... | 10/10/2006 |
| 7095606 | Electric switchgear with an enclosed design The aim of the invention is to prevent an unwanted conduction of a flow of gas inside a channel that connects an inner space of an enclosed switchgear (1) to another space. To this end, the channel is closed by means of a closing mechanism according to an inc... | 08/22/2006 |
| 7051751 | Burst disk assembly A burst disk assembly is configured for use in a pressurized gas system for venting pressurized gas from the system in the event that the gas exceeds a predetermined pressure. A plug has a tapered cylindrical shape with a minimum cross-section that is less than a bo... | 05/30/2006 |
| 7048154 | Breathable rupturable closure for a flexible container A rupturable closure for use with a flexible container that is especially suited for pouring viscous fluids such as motor oil. The closure is secured to the pouring spout or other dispensing opening of the container and retains the viscous fluid in the container as ... | 05/23/2006 |
| 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 |
| 7011104 | Pressure relief device A pressure relief device is provided. The pressure relief device includes a sealing member and a low-pressure support member that is adapted to provide support to the sealing member when the sealing member is subject to a certain pressure differential. The low press... | 03/14/2006 |
| 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 |
| 6955182 | Tamper proof relief valve for gas cylinder A relief valve includes an outlet and a cavity with a barb formed on an inner surface. An insert pressed into the cavity includes an inlet in communication with the contents of a pressurized container. A frangible member is trapped within the cavity by the insert an... | 10/18/2005 |
| 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 |
| 6929073 | Fire port with frangible crosshair A fire access port is mounted on a flammable material compartment juxtaposed with an access hole. A fire extinguisher nozzle is inserted through the fire port to suppress a fire from outside the compartment The fire port comprises a diaphragm of flexible, resilient ... | 08/16/2005 |
| 6923017 | Cooling container having a coolant and pressure relief apparatus A container comprises a first container portion and a second container portion joined to the first container portion to define a sealed cavity therebetween. A coolant is disposed within the sealed cavity. The container further comprises a pressure relief apparatus o... | 08/02/2005 |
| 6915626 | Blanking-plug system for blanking off an orifice of a pipe, particularly for blanking off an orifice of a duct for introducing air into the combustion chamber of a ramjet A blanking-plug system for blanking off an orifice of a pipe, particularly for blanking off an orifice of a duct for introducing air into the combustion chamber of a ramjet. The blanking-plug system (16) comprises at least one blanking plug (15)... | 07/12/2005 |
| 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 |
| 6742538 | Method and apparatus for orbital and seal welded relief device on a compressed gas cylinder A relief device for a high-pressure gas container, comprising a main body having a generally uniform outer circumference and that defines a primary bore, the primary bore in fluid communication with an interior volume of the high-pressure gas container, the main bod... | 06/01/2004 |
| 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 |
| 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 |
| 6591854 | Superconductive magnet burst disk assembly A burst disk assembly has a burst disk which is interposed within the high pressure relief vent of a superconducting magnet. The burst disk is a composite design constructed of a solid carbon graphite center surrounded by an integrally formed stainless st... | 07/15/2003 |
| 6571972 | Bulk drum lid with two bung openings A lid is shown for use with a portable tank or intermediate bulk container, or the like, having a threaded collar defining a port opening. The lid includes a generally circular top wall and a generally cylindrical sidewall connected to the top wall and ha... | 06/03/2003 |
| 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 |
| 6471082 | Fusible pressure relieving drum closure A closure for threadable insertion within an opening of a drum and capable of venting the drum when exposed to elevated pressures and temperatures to prevent the build-up of explosive pressures within the drum. A center portion of the closure is molded wi... | 10/29/2002 |
