Device for exposing a mass stored in a container

Details Device for exposing a mass stored in a container Device for exposing a mass stored in a container

1986-11-24

1988-11-01

Frinks, Ronald L.

Coating implements with material supply

Solid material for rubbing contact or support therefor

Including means to advance material

401 98, 401102, 401 60, 215341, 277212F, B43K 2102, B65D 4118

Patent

active

047814837

ABSTRACT:
The invention relates to a device (1) for exposing a mass (3) stored in a container (2). Disposed in container (2) is a conventional follower piston (5), the dispensing opening (4) of container (2) being closed by a removable closure cap (11). For generating a vacuum between mass (3) and closure cap (11) there is provided a circumferential gasket (15) disposed between an outer wall portion (9) of container (2) and closure cap (11). For avoiding early wear of this circumferential gasket (15) and the resultant loss of its sealing properties, the invention provides that on removal of the closure cap (11) the circumferential gasket (15) is positively forced into sealing engagement with the outer wall portion (9) of the container (2) by a force generated by the removal of the closure cap and acting in the direction towards said outer wall portion.

REFERENCES:
patent: 1685413 (1928-09-01), Ashley
patent: 2027656 (1936-01-01), Tassie
patent: 2573452 (1951-10-01), Klippert
patent: 2716504 (1955-08-01), Martin
patent: 3027874 (1962-04-01), Bross
patent: 3160331 (1964-12-01), Trumbull et al.
patent: 3881637 (1975-05-01), Browne
patent: 4139311 (1979-02-01), Lorscheidt
patent: 4176757 (1979-12-01), Podesta
patent: 4548524 (1985-10-01), Seager

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