Non-stick treatment for elastomeric slit valves

Details Non-stick treatment for elastomeric slit valves Non-stick treatment for elastomeric slit valves

1994-12-23

1995-12-12

Nilson, Robert G.

Fluid handling

Processes

Cleaning, repairing, or assembling

137846, F16K 1516

Patent

active

054740991

ABSTRACT:
A non-stick treated valve including a pair of cooperating elastomeric surfaces positioned to engage each other to control fluid flow through the valve. A non-stick coating is applied to the cooperating surfaces to facilitate separation of the surfaces from each other during opening of the valve. The non-stick coating is in the form of an oily substance such as a fluid lubricant for forming a fluid film coating on the cooperating surfaces. In addition, the coating material is formed of a material which is dissimilar from the material forming the cooperating surfaces.

REFERENCES:
patent: 4535818 (1985-08-01), Duncan et al.
patent: 4612960 (1986-09-01), Edwards et al.
patent: 5039401 (1991-08-01), Columbus
patent: 5100394 (1992-03-01), Dudar et al.
patent: 5261459 (1993-11-01), Atkinson
patent: 5312363 (1994-05-01), Ryan et al.

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