Tube container for receiving semifluid material

Details Tube container for receiving semifluid material Tube container for receiving semifluid material

1986-01-16

1987-01-13

Skaggs, H. Grant

Dispensing

With refill preventing means

222213, 222495, 215 21, B65D 3700

Patent

active

046358269

ABSTRACT:
A tube container for receiving semifluid material includes a tubular body formed of an elastic synthetic resin, a neck portion formed of a synthetic resin and integrally mounted on the body at a shoulder, and a valve member fitted in the neck portion. The valve member includes a side wall, an upper end plate, a valve sheet and a stopper. The side wall provides a tight fit with an inner surface of the neck portion and the end plate is formed with a passage for flow of the material to an outlet in the neck portion. Placed on the end plate is the valve sheet which is movable between the end plate and the stopper to open or close the passage in accordance with pressure applied to the body. Upper portion of the stopper is located adjacent to the outlet so as to minimize a space therebetween.

REFERENCES:
patent: 763914 (1904-06-01), Lewis
patent: 1621923 (1927-03-01), Crisci
patent: 3179300 (1965-04-01), Davidson et al.
patent: 3344963 (1967-10-01), Wynes et al.

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