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Valve apparatus and valve system using thereof

  • US 6,391,019 B1
  • Filed: 09/29/2000
  • Issued: 05/21/2002
  • Est. Priority Date: 10/04/1999
  • Status: Expired due to Fees
First Claim
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1. A valve apparatus comprising:

  • an elastic member a base end portion of which is fixed and a front end portion of which is brought into contact with a valve element; and

    a movable member movable along a longitudinal direction of the elastic member between both portions of the elastic member and having a fulcrum portion for flexing the elastic member between the both end portions of the elastic member.

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