Device for the metered dispensation of a medium

Details Device for the metered dispensation of a medium Device for the metered dispensation of a medium

2005-09-14

2010-06-08

Shaver, Kevin P (Department: 3754)

Dispensing

Outlet element operated by pressure of contents

Reciprocable, nonpivoted

C222S212000

Reexamination Certificate

active

07731067

ABSTRACT:
A device for the dosed output of a medium from a container through an opening in an upper housing part. A valve piston tip is associated with said opening for the closing thereof. A piston surface, which is pressed against a spring, is adjacent to the valve piston tip and is used as part of a valve piston, which is sealingly guided in a piston chamber in the upper part of the housing and forms a filling chamber which is connected to the container, between the upper part of the housing and the opening.

REFERENCES:
patent: 2170588 (1939-08-01), Douglas
patent: 4830284 (1989-05-01), Maerte
patent: 4957239 (1990-09-01), Tempelman
patent: 5158215 (1992-10-01), Comment
patent: 5195665 (1993-03-01), Lina
patent: 5558258 (1996-09-01), Albini et al.
patent: 5657930 (1997-08-01), Battegazzore
patent: 5842616 (1998-12-01), Ruscitti et al.
patent: 6062433 (2000-05-01), Fuchs

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