Non-return valve

Details Non-return valve Non-return valve

2007-11-06

2007-11-06

Krishnamurthy, Ramesh (Department: 3753)

Fluid handling

Line condition change responsive valves

Direct response valves

C137S540000, C251S337000, C251S358000

Reexamination Certificate

active

10549597

ABSTRACT:
What is disclosed is a non-return valve comprising a sealing piston which is biased against a valve seat in the basic position inside a valve housing, and which is manufactured by a plastics injection molding technique.

REFERENCES:
patent: 2755816 (1956-07-01), Collins
patent: 2930401 (1960-03-01), Cowan
patent: 3099999 (1963-08-01), Vismara
patent: 3315696 (1967-04-01), Hunter
patent: 3457949 (1969-07-01), Coulter
patent: 3770009 (1973-11-01), Miller
patent: 3801233 (1974-04-01), Simpson
patent: 4695602 (1987-09-01), Crosby et al.
patent: 5092361 (1992-03-01), Masuyama et al.
patent: 5613518 (1997-03-01), Rakieski
patent: 2001/0018930 (2001-09-01), Katsura
patent: 2001/0039966 (2001-11-01), Walpole et al.
patent: 1 132 668 (2001-09-01), None
RD 20 395/12.95.
English Language Translation of Chinese Office Action.

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