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US 2009/0020722 A1Published application
Fluid Control Valve
AssigneeCkd Corporation
InventorAkinori Masamura
Life of this patent
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Abstract
For providing a fluid control valve capable of preventing looseness of a screw part between a valve main body and a valve upper body, the fluid control valve comprises a resin valve main body wherein a valve seat comes into or out of contact with a diaphragm, and a resin valve upper body engaged with the valve main body. The fluid control valve comprises a holding member to keep the valve main body and the valve upper body threadedly screwed together.
Claims8
A fluid control valve comprising;
- a diaphragm;
- a resin valve main body comprising a valve seat with which the diaphragm will come into or out of contact;
- a resin valve upper body threadedly engaged with the valve main body;
- and
- a holding member engaging with the valve main body and the valve upper body respectively to keep a threaded engagement between the valve main body and the valve upper body.
2 more elements
Dependencies are inferred from the claim text.