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8181663 |
Pressure relief device having support member with recessed areas
An apertured rupture disc support member (32, 90) is provided for use in a rupture disc assembly (70). A rupture disc (30, 30a) comprising one or more embossed segments (80) that are complemental...
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8091574 |
Bursting disc assembly
The bursting disc assembly has a primary bursting disc (10) and a secondary bursting disc (20) immediately behind and supporting the primary bursting disc. Each of the said discs (10,20) is made of...
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7878215 |
Impulse actuated valve
A valve for controlling flow of pressurized fluid from a confined area that is operable to relieve an overpressure condition as well as to allow flow of fluid in response to a pressure relief...
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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...
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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),...
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7131663 |
Inflator for inflatable vehicle occupant protection device
An inflator (22) for providing inflation fluid ( ) to inflate an inflatable vehicle occupant protection device (14) includes a container (30) storing the inflation fluid under pressure. The...
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7032925 |
Rupturable plate for inflator
An inflator for an air bag, which inflates the air bag by a pressurized medium, has a rupturable plate that seals a pressurized portion of an inflator prior to an activation of the inflator. The...
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6349737 |
Bursting disc assembly retaining ring with a clover leaf cutting pattern and projection
A support ring adapted to support a rupturable rupture disc member in a rupture disc assembly. The support ring includes an upper surface, a lower surface, a central aperture defined by an inner...
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6298869 |
Reverse buckling, thermoformed, polymer rupture disk
A thermoformed reverse buckling polymer rupture disk having an unsupported raised center portion including score lines cut in the polymer disk that creates a line of weakness to control the...
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6240948 |
Rupture disk assembly
A rupture disk which is welded or brazed to a relatively massive or robust ring member integrally attached to the remainder of the body by an isolating member of reduced cross-sectional thickness....
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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...
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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...
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6065485 |
Two-way pressure relief assembly and method
A two-way pressure relief assembly includes a disk having a peripheral flange for clamping the disk between inlet and outlet clamps in a passageway. The inlet side of the disk has a selected inlet...
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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...
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5467886 |
Low burst pressure, multiple domed, scored rupture disc
A multiple-domed, scored rupture disc (28) having a non-apertured disc body (62) provided with separate, side-by-side, semi-circular concavo-convex bulges (76) and an arcuate line of weakness (68)...
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5267666 |
Multiple-dome, scored, rupture disc
A multiple-dome, scored rupture disc presents opposing first and second disc faces, and is provided with a circular, central region and a flat annular flange surrounding the central region. An...
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5199454 |
Valve structure
A valve structure for connecting an oil tank to a ballast tank separated by a bulkhead includes a butterfly valve bolted to a short section of flanged pipe which is welded or bolted to the bulkhead...
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5167337 |
Scored reverse buckling rupture disk assembly
An improved scored reverse buckling rupture disk assembly is provided. The assembly includes a reverse buckling rupture disk having one or more scores on a surface thereof forming lines of weakness...
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5154202 |
Low forward pressure burst-high backpressure resistant rupture disc
A fluid pressure relief assembly for a system operating under an elevated pressure includes a support structure having means defining a bore therethrough of desired cross-sectional configuration,...
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5155471 |
Low pressure burst disk sensor with weakened conductive strips
An ultra low pressure flow sensor consisting of a support gasket defining a flow way and having a thin, pliable membrane extending thereacross with right angle slits formed totally across the flow...
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5082133 |
Low pressure rupture disk and assembly
An improved low pressure reverse buckling rupture disk and assembly are provided. The rupture disk comprises a concave-convex reversible member having a thickness and a configuration such that said...
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5080124 |
Rupture disc pressure relief device
A two-part concave-convex rupture disc for use in a safety pressure relief device comprises one part which is perforated with lines of small holes that introduce controlled weakness in the disc and...
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4905722 |
Composite rupture disk assembly
An improved composite rupture disk assembly adapted to be supported between inlet and outlet supporting members is provided. The assembly is comprised of a resilient sealing member and a rupture...
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4838447 |
Pressure relief device with conical reverse buckling disc
A safety pressure relief device having a rupture disc with a conical central portion. The relief device comprises inlet and outlet support members wherein the rupture disc is positioned...
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4830052 |
Diaphragm safety device with upstream active bursting knife
A safety device for limiting the pressure of a fluid to a predetermined value comprises a preshaped diaphragm having a downstream convex face and an upstream convex face mounted as a closing or...
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4795051 |
Rupturable fluid pressure relief apparatus and manufacturing method
A rupturable fluid pressure relief apparatus and method of manufacturing such apparatus capable of rupturing in either the normal or reverse rupture modes at predetermined rupture pressures are...
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4771801 |
Protective cover assembly with reverse buckling disc
A protective cover assembly for a fluid end of a plunger-type pump or other positive displacement pump. The protective cover assembly includes a cover adapted to fit in an open end of the fluid end...
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4759460 |
Rupture disc system
A rupture disc system comprises a ruptue disc including a dome portion and a flange portion interconnected by a transition region and a mounting mechanism for mounting the rupture disc by the...
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4682619 |
Reverse-buckling rupture disk
A reverse-buckling rupture disk assembly provides a cylindrical housing having a bore for conveying flow through the housing. Mounted within the housing is a frangible concave-convex disk which is...
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4669626 |
Rupture disc with selectively positioned initial buckling
A rupture disc system comprises a rupture disc including a dome portion and a flange portion interconnected by a transition region and a mounting mechanism for mounting the rupture disc by the...
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4657157 |
Pressure relief method and rupture disk assembly
The present invention relates to a method and assembly for relieving positive and/or negative pressure differentials between first and second fluid pressure zones. The rupture disk assembly is...
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4588101 |
Safety vent for containers
A safety vent for an internally pressurized fluid container is disclosed. The safety vent is provided in a wall of the container which is subject to outward deformation when the internal pressure...
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4580691 |
High flow pressure relief assembly
A safety pressure relief assembly of the rupture disc type guards against pressure differentials, beyond a predetermined range in a vent system, and includes a relief disc perforated to permit...
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4580690 |
Coinless pressure relief device
A pressure relief device for an internally pressurized container. The device is imperforate, forms an integral part of the container surface, and has a concave annular outer area integrally joined...
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4505180 |
High reverse pressure resistant low forward burst pressure rupture disc assembly
A rupture disc assembly is provided having the seemingly inconsistent properties of resisting relatively high burst pressures in one direction, while rupturing upon experiencing relatively low...
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4463865 |
Knife blade apparatus for severing rupture disks
An improved knife blade apparatus adapted to be installed in a rupture disk assembly whereby upon failure of the rupture disk in the assembly, the disk is severed by the knife blade apparatus. The...
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4436218 |
Reverse buckling bursting disc
A reverse buckling disc having a central domed region, an outer flange and an integral transitional region interconnecting the flange and the domed central region wherein the included angle of the...
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4431018 |
Reverse buckling rupture disk apparatus and manufacturing methods
A reverse buckling rupture disk apparatus, adapted to be clamped between inlet and outlet companion bolted flanges, the operation of which is unaffected by the torque applied to the bolts of the...
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4399830 |
Safety pressure relief device assembly
A safety pressure relief device including a pair of annular disc holders adapted to clamp between them a reverse buckling disc, one of the annular discs being located within the other disc and an...
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4394926 |
Reverse buckling rupture disk apparatus
An improved reverse buckling rupture disk apparatus which includes a reverse buckling rupture disk, an annular rupture disk support member and knife structure for severing the rupture disk upon the...
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4385710 |
Device for emergently relieving pressure
A device for emergently relieving pressure comprises a flexible plate bent downward and having its periphery attached to the inner surface of a hatch coaming, wherein the periphery of the plate is...
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4364487 |
Safety device against overpressures
The invention relates to a safety device for protecting against any overpressures which may prevail in an enclosure, which device is constituted by a deformable membrane applied in fluid tight...
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4363418 |
Knife blade apparatus for severing rupture disks
An improved knife blade apparatus adapted to be installed in a rupture disk assembly whereby upon failure of a rupture disk in the assembly the disk is severed by the knife blade apparatus. The...
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4362181 |
Pressure relief system
A pressure relief apparatus for a high pressure slurry processing system is disclosed. The apparatus includes a pressure container, an escape member in the container inlet and a flow restrictor in...
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4342988 |
Rupture disc alarm system
A monitor system for sensing the failure of a rupture disc and activating an alarm in response to such a failure. The system also senses potential failure of a rupture disc. The system includes a...
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4301938 |
Safety pressure relief device
A safety pressure relief device is provided for the venting of fluid pressure between first and second pressure zones. The relief device includes a first rupture disk having flexible sealing...
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4269214 |
Safety pressure relief device
A safety pressure relief device including a rupture disk having a concave-convex portion and a radially outer flange portion joined by a curved transition connection. An improved knife means is...
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4257528 |
Safety pressure relief apparatus
A reverse buckling disc pressure relief venting apparatus in which the disc is held in position by an annular abutment against which the edge of the disc is forced when spreading under pressure and...
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4211334 |
Safety pressure relief apparatus
The present invention relates to a safety pressure relief apparatus comprised of a reverse buckling rupture disk having a concave-convex portion connected to an annular flat flange portion by a...
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4146047 |
Integral fluid pressure rupturable apparatus
An integral reverse buckling fluid pressure rupturable apparatus comprised of a support body formed of a ductile material having opposite ends and having a recess extending inwardly from one of the...
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