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Document Title |
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7784221 |
Fire collar
A fire collar (10) including a housing defining an opening (18) and a passage (20) adapted to receive a conduit therethrough. A layer of intumescent material (43) surrounds the conduit and is...
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7387134 |
Fire safety device for propane cylinders
A fire safety fluid flow device for engagement with a Schrader valve including a sliding valve a housing having a fluid path therethrough and a pressing member. The pressing member presses against...
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7373945 |
Device for closing a conduit
A device for closing a conduit (30) in case of fire includes a housing (11) having a receptacle (17) for receiving the conduit (30), a cutting and blocking member (20) arranged in the housing (11)...
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7309022 |
Substance shutoff device and fuel cell
There is provided a substance shutoff device for shutting down the communication of at least one of an inflammable substance and an oxidizer when the inflammable substance and the oxidizer are...
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7290556 |
Fire collar
A fire collar or fire damper for location within a concrete slab of a building. The device incorporates a damper arrangement (12) and a heat detector (18, 19) comprising a metal alloy or lead which...
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7273064 |
Temperature-sensitive safety valve assembly
The present invention relates to a temperature-sensitive safely valve assembly (10). The assembly (10) comprising a first region (16) for a first pressurised fluid, a second region (20) for a...
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7178548 |
Dry safety device for an inflammable gas
A dry safety device for an inflammable gas comprises a case main body having a gas passage which terminates at one end in a primary side open port connectable to a source of inflammable gas and...
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7111818 |
Safety valve
A safety valve comprises a pressure receiving hole (20), an actuation chamber (21), a discharging hole (22) and an alloy accommodating chamber (25). An alloy (27) of a low-temperature melting point...
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6895952 |
Appliance end fitting
An appliance end fitting for connecting a gas operated appliance to a pressurized gas cylinder includes a simplified interior valve that acts as both a thermal valve and an excess flow control...
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6820633 |
Thermally-sensitive safety device for gas tubing
The present invention is to provide a thermally-sensitive safety device for gas tubing including a main body provided with an inlet, an outlet and a gas passage communicated with said inlet and...
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6769448 |
Actuating device
A temperature dependent actuating device for a valve having a closure member which must be moved from a first to a second position to close the valve, the actuating device comprising a body, an...
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6644336 |
Method and apparatus for automatic shutoff of a valve when a substance is present in a flow of fluid
A tensile load is applied to a sensor element that will carry the tensile load in the absence of a substance and will fail to carry the tensile load in the presence of the substance. The sensor...
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6644337 |
Damper assembly having improved strength characteristics
A damper assembly is provided having a fusible link assembly including an outer housing member and an inner channel member having side walls that are fused to the outer housing. A pair of damper...
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6615860 |
Fire block conduit coupler
A coupler which is used in coupling plastic conduit through a separation in a building has plastic end regions for an overlapped accurately positioned sealed coupling with the plastic conduit to...
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6607004 |
Fire prevention safety device for gas meters
A fire prevention safety device for a gas meter (3) has closure means (4, 4′, V) that can be activated by heat to interrupt the gas supply into the gas meter (3) in the event of a fire. The gas m...
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6484742 |
Cartridge assembly for valve
A cartridge assembly for a valve is disclosed. The cartridge assembly includes a cartridge containing an activation component. The cartridge and activation component are configured to be...
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6363962 |
Crash valve actuator
A crash valve is located in a liquid tight dispenser pan at a gasoline service station to close a conduit conveying gasoline to a gasoline dispensing unit to prevent uncontrolled flow of gasoline...
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6293295 |
Safety device for a hot water faucet for sanitary use and faucet, particularly thermostat, equipped with said safety element
The invention relates to a safety device for a sanitary hot water faucet characterized in that it comprises: a receptacle (10) passing all the way through a casing having a T shape, a seat (14) of...
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6279597 |
Thermal safety valve for automatically shutting off pipes
Inside the casing (1), there are three or more ribs (8) arranged with their longitudinal axes parallel to the closing body's direction of movement when closing so that each rib forms a slide-way...
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6250326 |
Dual temperature fire damper releasing system
A mechanical dual temperature damper closing mechanism having a primary link that separates when the ambient temperature reaches approximately 74° F., closing the damper. The new mechanism ...
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6202667 |
Apparatus and method for stopping the propagation of ignited flammable gas in a conduit
An apparatus and a method for stopping the propagation of an ignited flammable gas in a conduit used in semiconductor processing are proposed and described. In the apparatus, a mounting mechanism...
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6176052 |
Fire retarding division penetrating member
The installation of a fire retarding division-penetrating member is enhanced and the member fits the outer circumference of inconstant penetrating material to prevent the filler from dropping. The...
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6161564 |
Fire transmission prevention system
A fire transmission prevention system (10) for use in a drainage system (100) to prevent the transmission of smoke and fire through the drainage system. The system is intended to be used in...
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6129105 |
Interrupter having an anti-fire valve member for a gas meter, and a gas meter fitted with such an interrupter
A gas flow interrupter for a gas meter, the interrupter comprising a valve member that is movable relative to a valve seat which defines an opening for passing said gas flow, said valve member...
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6125872 |
Temperature activated diversion valve
A temperature activated diversion valve for supplying a first inflow fluid as an outflow fluid and for switching to supply a second inflow fluid as the outflow fluid if the first inflow fluid...
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6105597 |
Emergency shut-off device for cam-over valve
A device works as an emergency shut off for a valve having an open and a closed position with a lever for manually moving the valve from one of the positions to the other. The device has a mounting...
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6029412 |
Intumescent interlocking collar
An interlocking intumescent collar is disclosed. The collar may be fitted around a pipe at the point where the pipe penetrates a wall or floor. The collar comprises a strip of intumescent material...
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6019119 |
Thermal safety device for automatically blocking pipes
A thermal safety device is disclosed which, in the area of the closing element, has an uninterrupted circular cross section. Furthermore, the axial guiding of the closing element during the closing...
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5979867 |
Quick connect coupling for portable LP gas cylinders
Technically a functional combination of a nipple with a plug, a stem, a spring, a guide bushing and a coupling nut to form a quick disconnect device for a valve on portable cylinders for LP gas.The...
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5950656 |
Thermal safety fitting for automatically shutting down fluid lines
The invention concerns a thermal safety fitting in which the closure motion of the obturator is longitudinal with respect to the obturator seat. The aim is to avoid lateral excursions of the...
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5927312 |
Method and apparatus for extinguishing combustion within combustible tubing
A self-extinguishing conduit for conveying a gas capable of supporting combustion of the conduit interior from an upstream to a downstream location includes a combustible tubing and a flow occluder...
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5836338 |
Thermal safety device for automatically sealing conduits
The invention concerns a thermal safety fitting in which the closure motion of the obturator is longitudinal with respect to the obturator seat. The aim is to avoid lateral excursions of the...
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5787918 |
Reduction valve and gas container valve for a bottle for liquified gas
The reduction valve (1) comprises an activating spindle (12;42) which by a control handle on a pivotable shaft (8) and an eccentric spigot (11) is displaceable for opening of a self-closing valve...
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5782171 |
Disconnect mechanisms between a deep fat fry pot and filter vat
A commercial deep fat frying appliance includes a fry pot supported by a cabinet frame over a removable filter vat. The fry pot includes a valve controlled bottom drain to transfer cooking fluid...
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5586722 |
Temperature and flow control valve
A simple, one-chamber housing, having a uniformly increasing chamber diameter, has a generally ball-shaped valving element therewithin, and opposite ends of the housing are ported to admit and...
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5577525 |
Thermal release apparatus for coupling a damper actuator to a damper blade assembly
A thermal release coupler employed in a fire and smoke damper assembly, in which the fire and smoke damper assembly includes an array of damper blades carried in a damper frame, movable between...
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5540250 |
Quick-disconnect fluid coupling
A ball detent fluid coupling for gas fuel for appliances and the like equipment is characterized by push-to-connect and pull-to-disconnect features, a heat responsive breakaway feature, and a ball...
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5524664 |
Coupling device
A coupling device including a tubular member, a locking member engaged with the tubular member, a sleeve made of polymer which will become soft at at temperature between 240-300 degrees F. and...
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5477877 |
Overtemperature shut-off valve with sealing spring for automatically shutting off conduits
The described invention takes as its basis the problem of developing an overtemperature shut-off valve which guarantees a reproducible gas-tight seal. The problem is solved in that the metal...
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5472008 |
Automatic valve for gaseous fluids, suitable for protecting the pressure regulator from thermal stress and from excess flow to which it may be subjected
The subject of the present invention is an automatic safety valve for gaseous fluids compressed in cylinders whose supply is controlled by pressure regulators, which is provided with a device...
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5452736 |
Rapid fastener, for connecting pipelines for systems for conveying pressurized gas
A rapid fastener for connecting pipelines for conveying pressurized gas and exhibits a structural part which is provided, at its end, with a recess into which there can be introduced a structural...
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5452852 |
Valves and an improved method of replacing valves in pressurized systems
A fluid valve comprising a frame having a valve seat defining a flow passage and an actuator secured to the frame. A valve is secured to the actuator and movable into and out of engagement with the...
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5421127 |
Fire stop closure
A closure for preventing transmission of fire and smoke through a wall or floor containing a plastic pipe when the pipe is destroyed by fire, which comprises a flexible fire retardant sleeve...
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5402603 |
Flapper plate detonation flame arrester
A detonation flame arrester device including a left and right housing assembly containing two flapper plates positioned one in either side of the housing assembly and separated by a channeled...
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5379794 |
Gas control valve having polymeric material body combined with thermally responsive gas shutoff valve having metallic body
A gas valve comprises the combination of a control valve having a valve body made of polymeric material and a thermally responsive shutoff valve having a metal valve body. The shutoff valve is...
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5301475 |
Fire stop device
A fire stop device adapted to close an opening in a wall or floor having a plastic pipe extending through the opening when the pipe is destroyed by fire which comprises a base plate surrounding the...
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5298088 |
One-quarter turn ball valve closer
A valve closer for a valve installed in a flow line of a flammable liquid or other hazardous flowable material which is normally open with the closer of the present invention automatically moving...
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5275193 |
Fusible link shutoff valve assembly
A shutoff valve assembly which includes a valve body comprising a first and second flanged sections disposed on opposite sides of a main flow chamber; a disc seat disposed within the valve body a...
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5275194 |
Fire control valve with replaceable locking pin assembly
Fire control valve through which flows flammable material, such as gas or liquid, includes exteriorly located, replaceable locking pin assembly having a locking pin for locking the valve member of...
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5253455 |
Fire damper
A fire damper for impeding the spread of fire from the burning of plastic pipes inside a wall or floor structure. The fire damper is installed adjacent to only one side of an opening where the pipe...
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