Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7748398 | Pressure relief valve for a container A pressure relief valve for a container having a liner therein for holding food products includes a hollow body incorporated into a lid of the container and extends inwardly therefrom. A cutter member is mounted in an opening at an outer end of the body and has a kn... | 07/06/2010 |
| 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 |
| 7048898 | Apparatus for preparing a fluid for a medical procedure The invention provides an apparatus for preparing a fluid for a medical procedure by mixing of at least one medicament in the form of powder with water, the medicament is held in a vessel which defines a bottom, a side wall, and a top opening which is closed by an m... | 05/23/2006 |
| 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 |
| 6446654 | Pressure relief device for a sealed system A pressure relief device for a sealed system is provided. The device includes a negative pressure support that is engageable with the system. A seal is disposed between the support and the system such that a negative pressure differential created in the s... | 09/10/2002 |
| 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 peripheral edge and at least one tear-initiating projection,... | 02/26/2002 |
| 6321771 | Pressure relief device for a sealed system A pressure relief device for a sealed system is provided. The device includes a negative pressure support that is engageable with the system. A seal is disposed between the support and the system such that a negative pressure differential created in the s... | 11/27/2001 |
| 6220269 | Bursting disc assembly retaining ring with a clover leaf cutting pattern and projection In combination with a rupture disc assembly, there is provided an improvement by using a support ring having a projection and a continuous, generally clover leaf pattern cutting edge.... | 04/24/2001 |
| 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 |
| 5378864 | Non-resettable, pressure-actuated switch A general-purpose, pressure-sensitive electrical switch, having a frangible electrically conductive path that is irreversibly broken by an excessive applied pressure differential, The switch includes a pressure-deflectable diaphragm and an interior chambe... | 01/03/1995 |
| 5348038 | Foam inlet device for liquid tanks An inlet device especially for introduction of foam into liquid-containing tanks. It comprises a two-part frame with a preferably circular opening. Each of the mutually opposed frame parts are provided with a groove around the circumference of the opening... | 09/20/1994 |
| 5337775 | Dispensing taps A dispensing tap for flexible bulk beverage containers comprising a body having an inlet and an outlet, the axes of which are transverse, a piercer unit carried within the body adjacent the inlet by a shaft and an outlet sealing means comprising a valve e... | 08/16/1994 |
| 5337776 | Pipeline A safety system for relieving over pressure in a pipeline carrying a congealable material, in which the pipeline is provided with a bursting disc located in a spur of the pipeline, the disc being mounted in a holder so that the surface of the disc forms p... | 08/16/1994 |
| 5320126 | Pressure relieving device A pressure relieving device having a pressure frame including a first portion and a second portion with a rupture disc clamped therebetween. Each frame portion contains a recess on its inner side which terminates at the sealing surface at the end face and... | 06/14/1994 |
| 5284177 | Non-reclosing pressure relief device for vacuum systems A non-reclosing overpressure protection device such as a rupture disc provides a non-reclosing opening upon forcible contact with a knife blade. A bellows, having an inlet capable of being sealably connected to a source of pressure (the vacuum system) and... | 02/08/1994 |
| 5161738 | Pressure and temperature relief valve with thermal trigger A thermally activated relief valve is used with a compressed gas storage cylinder. A valve body has a passage for communication with the interior of the cylinder. A metal diaphragm sealing the passage has a first side exposed to the interior of the cylind... | 11/10/1992 |
| 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 member reverses when a predetermined fluid pressure is ex... | 01/21/1992 |
| 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 flange portion thereof in a pressure relieving vent. The ruptur... | 07/26/1988 |
| 4691729 | Reverse-buckling rupture disk with replaceable disk and blade A reverse-buckling rupture disk assembly provides a cylindrical housing having a bore for conveying flow through the housing. Removably mounted within the housing is a frangible concave-convex disk which is connected along its peripheral edge to the housi... | 09/08/1987 |
| 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 connected along its peripheral edge to the housing so as t... | 07/28/1987 |
| 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 comprised of a flexible sealing member, a retainer means posit... | 04/14/1987 |
| 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 reverse flow without rupture, a sealing disc positioned adjace... | 04/08/1986 |
| 4479587 | Two-way rupturable pressure relief apparatus A two-way rupturable pressure relief apparatus adapted to be clamped between a pair of connection members connecting first and second pressure zones is provided. The apparatus is comprised of a rupture member including a plurality of openings therein, a s... | 10/30/1984 |
| 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 apparatus includes an annular support member adapted to be... | 08/07/1984 |
| 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 transitional region is greater than the included angle of ... | 03/13/1984 |
| 4434905 | Rupturable low pressure relief apparatus Rupturable pressure relief apparatus are provided which are less subject to damage and premature failure as a result thereof and which reliably rupture at very low pressure differentials. The apparatus are adapted to be clamped between conventional pipe f... | 03/06/1984 |
| 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 companion flanges. The apparatus is comprised of a reverse b... | 02/14/1984 |
| 4397442 | In-line sleeve valve An improved in-line sleeve valve comprises a modular tubular port having a stationary plug concentrically supported therein and a reciprocating tubular sleeve arranged for sealing against the stationary plug. A resilient, flexible flange connects the tubu... | 08/09/1983 |
| 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 reversal thereof. The knife structure are comprised of at... | 07/26/1983 |
| 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 manner over an orifice connecting the inside of the enclosure ... | 12/21/1982 |
| 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 apparatus includes an annular support member adapted to be in... | 12/14/1982 |
| 4345611 | Safety valve means for battery The present application discloses a safety valve means for battery comprising a lid plate having therein a valve hole, a thin plate overlapped on the lid plate for closing the valve hole, a terminal plate in the reverse dish shape overlapped on the thin p... | 08/24/1982 |
| 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 failsafe signal carrying loop which is broken when the rupt... | 08/03/1982 |
| 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 membrane located on one side thereof, and a knife means located ... | 11/24/1981 |
| 4278181 | 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 a flexible sealing membrane located on one side thereof, and a knife means locate... | 07/14/1981 |
| 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 located adjacent the concave side of said rupture disk, said ... | 05/26/1981 |
| 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 curved transition connection and a support member having an a... | 07/08/1980 |
| 4210614 | Passive containment system A containment system that provides complete protection entirely by passive means for the loss of coolant accident in a nuclear power plant and wherein all stored energy released in the coolant blowdown is contained and absorbed while the nuclear fuel is p... | 07/01/1980 |
| 4183370 | Pressure relief valve A safety vent for hopper cars includes a tubular housing member adapted to communicate with the interior of a hopper which may be unloaded by creating a sub-atmospheric pressure therein. The vent includes a rupturable diaphragm normally blocking the entra... | 01/15/1980 |
| 4158422 | 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 curved transition connection and a support member having an a... | 06/19/1979 |
