Cap with valve

Details Cap with valve Cap with valve

1985-05-30

1986-05-13

Yeung, James C.

Receptacles

Closures

With condition responsive vent or valve

220303, 220DIG32, 1374939, B65D 5116

Patent

active

045881022

ABSTRACT:
A cap with valve of the invention comprises a cap body having a fluid flow path with a stepped portion, a first spring shoe plate having a locking plate, a first spring, a support plate having a plurality of locking legs to be engaged with the locking hole of the first spring shoe plate and fixing a seal member, a second spring shoe plate having a locking hole, a second spring, and a valve plate having a plurality of locking legs to be engaged with the locking hole of the second spring shoe plate. At the assembling state of parts, group of the first spring shoe plate, the first spring and the support plate fixing the seal member and group of the second spring shoe plate, the second spring and the valve plate are previously assembled through the locking holes and the locking legs respectively and engaged through the spring shoe plates to the cap body fluid flow path, and then engagement of the locking legs with the locking holes in respective groups is released and the parts are arranged.

REFERENCES:
patent: 4079855 (1978-03-01), Avrea
patent: 4498493 (1985-02-01), Harris
patent: 4498599 (1985-02-01), Avrea
patent: 4540103 (1985-09-01), Kasugai et al.

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