Dispensing – Collapsible wall-type container – With wall-collapsing means
Patent
1995-03-02
1996-03-26
Shaver, Kevin P.
Dispensing
Collapsible wall-type container
With wall-collapsing means
B65D 3528
Patent
active
055013694
ABSTRACT:
A device for squeezing out a desired quantity of pasty contents from a collapsible tube. Two elongated members connected by a frame are provided with at least one resilient tongue disposed therebetween. The tongue is a U-shaped leaf spring having one side integrally attached to a respective elongated member and-another side being free. An opening is provided between the two tongues (or between the tongue and the other elongated member) with this opening narrowing gradually from a relatively wide entrance through which the sealed end of the tube is inserted to a narrow slot which exerts a pressure on the walls of the tube while the device slides on the tube. A slot, and more particularly the tongue(s) exerts a constant force on the flattened walls of the tube to prevent the contents of the tube from escaping through the slot into that portion of the tube which has been emptied.
REFERENCES:
patent: 2390314 (1945-12-01), Massey
patent: 2554975 (1951-05-01), Bendick
patent: 3248012 (1966-04-01), Adams
patent: 4159787 (1979-07-01), Wright
patent: 4778082 (1988-10-01), Vitelle
patent: 4928851 (1990-05-01), Eatherly
patent: 5222629 (1993-06-01), Tal
Frommer William S.
Shaver Kevin P.
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