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US 2016/0102773 A1Published application
Frangible diaphragm for use in a valve mechanism
OwnerPaul D. SMITHinventor
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Abstract
A frangible diaphragm for use in a valve mechanism, said frangible diaphragm including an actuator substance provided in, or on, the frangible diaphragm, wherein the actuator substance expands from a smaller volume to a larger volume on application of heat such that a force generated by the expansion causes the diaphragm to fracture.
Claims11
A frangible diaphragm for use in a valve mechanism, said frangible diaphragm comprising:
- an actuator substance provided in, or on, the frangible diaphragm, wherein the actuator substance expands from a smaller volume to a larger volume on application of heat such that a force generated by the expansion causes the diaphragm to fracture.
A valve mechanism comprising:
- a valve body having an inlet port and an outlet port and a passageway extending therebetween;
- and
- a frangible diaphragm as claimed in any preceding claim, wherein the diaphragm is held within the valve body such that the diaphragm blocks the passageway when the diaphragm is intact, and wherein, when the actuator substance is activated, the diaphragm fractures such that fluid can flow from the inlet port to the outlet port.
Dependencies are inferred from the claim text.