Closure on a cartridge

Details Closure on a cartridge Closure on a cartridge

1993-11-23

1996-01-09

Elkins, Gary E.

Receptacles

Closures

With closure opening arrangements for means

215226, 215257, 215303, 220258, 222 85, B65D 5122

Patent

active

054821770

ABSTRACT:
A closure of a double cartridge for a dispensing appliance comprises piercing members for piercing a membrane provided on the outlet openings of the cartridge, the piercing members including two stoppers which are tapered at their front sides. With the closure, it is possible when using the cartridge to pierce the membrane without searching for a suitable object and to reuse the cartridge without soiling.

REFERENCES:
patent: 3931905 (1976-01-01), Shumway et al.
patent: 4307821 (1981-12-01), McIntosh
patent: 4884703 (1989-12-01), O'Meara
patent: 4974756 (1990-12-01), Pearson et al.
patent: 4986443 (1991-01-01), Saur et al.

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