Single dose dispenser having a piercing member

Details Single dose dispenser having a piercing member Single dose dispenser having a piercing member

1992-12-02

1994-05-03

Kashnikow, Andres

Dispensing

With cutter and/or punch

To form dispensing opening in container

222 83, 604203, B67D 500

Patent

active

053079531

ABSTRACT:
The application describes a dispenser for manual discharge of a single dose of a flowable substance, comprising a casing (1) which has a nozzle (2) and a pair of shoulders (3) aside the nozzle. The nozzle (2) has a piston member (5) extending inwardly from an outlet opening (9), the piston member having at least one discharge channel. A container (10) of the substance to be discharged is mounted on the piston member (5), and a seal (12) is arranged across the container (10) to seal in all the substances to be discharged. The piston member (5) has a piercing member (8) which extends towards the seal (12), whereby on pressing the container (10) on to the piston member (5) the seal (12) is pierced to allow the contents of the container (10) to be expelled along the discharge channel and out through the outlet opening (9).

REFERENCES:
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patent: 4946069 (1990-08-01), Fuchs
patent: 4962868 (1990-10-01), Borchard

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