Pneumatic check valve and method for making a pneumatic check va

Details Pneumatic check valve and method for making a pneumatic check va Pneumatic check valve and method for making a pneumatic check va

1994-10-12

1995-11-21

Cuda, Irene

Metal working

Method of mechanical manufacture

Valve or choke making

137510, B23P 1500

Patent

active

054675294

ABSTRACT:
A two-piece check valve employing an elastomeric diaphragm retained between two lands of an integral member. The integral member forms a boss on which the diaphragm is seated, and cooperates with the diaphragm to form a chamber surrounding the boss.

REFERENCES:
patent: 3363651 (1968-01-01), Boyd
patent: 3411746 (1968-11-01), Scaramucci
patent: 4643215 (1987-02-01), Phlipot et al.
patent: 4719618 (1988-01-01), Piet
patent: 4936342 (1990-06-01), Kojima et al.

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