Valve and sealing structure therefor

Details Valve and sealing structure therefor Valve and sealing structure therefor

2005-01-25

2005-01-25

Bastianelli, John (Department: 3754)

Valves and valve actuation

Reciprocating valve

Particular head and seat cooperation

C251S900000, C137S454600, C137S234500

Reexamination Certificate

active

06845969

ABSTRACT:
A valve is generally elongated in shape and is inserted through an O-ring and amounting hole formed through a plate-shaped member. The valve includes a thread formed on an outer circumferential face of the valve so that a generally annular fitting is engaged therewith, an outer protruding wall protruding from the outer circumferential face of the valve to hold a circumferential edge of the mounting hole in cooperation with the fitting, a tapered portion formed in the outer protruding wall so as to be tapered toward the fitting and so as to abut against a part of the circumferential edge of the mounting hole, and a sealing portion disposed at a side farther away from the plate-shaped member than a portion of the protruding wall abutting against said circumferential edge part of the mounting hole so that each of the plate-shaped member and the sealing portion presses the O-ring against the other.

REFERENCES:
patent: 1050491 (1913-01-01), Schweinert et al.
patent: 2022545 (1935-11-01), Marken
patent: 2835305 (1958-05-01), Boyer
patent: 2874749 (1959-02-01), Brink
patent: 3019832 (1962-02-01), Williams
patent: 3217733 (1965-11-01), Howard et al.
patent: 4049037 (1977-09-01), Gale et al.
patent: 4282896 (1981-08-01), Makino
patent: 4340080 (1982-07-01), Lefrancois
patent: 4659059 (1987-04-01), Morris et al.
patent: S58-100102 (1983-07-01), None
patent: 01-169181 (1989-07-01), None
patent: 2001-287521 (2001-10-01), None

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