Dispenser for expelling contents of collapsible tubes and method

Details Dispenser for expelling contents of collapsible tubes and method Dispenser for expelling contents of collapsible tubes and method

1974-02-13

1976-01-20

Hoffman, Drayton E.

Dispensing

Processes of dispensing

222 95, 222391, 401169, B65D 3530

Patent

active

039332730

ABSTRACT:
The contents of a collapsible tube are expelled by placing the tube in a close-fitting sleeve having a removable cap with an orifice fitting over the discharge nozzle of the tube and a plunger which engages the other end of the tube and has a diametral groove to receive the crimped closed end of the tube. Movement of the plunger towards the cap causes the wall of the tube to concertina.

REFERENCES:
patent: 2009761 (1935-07-01), Calderara
patent: 2477875 (1949-08-01), Hutchason
patent: 2602571 (1952-07-01), Sherboudy
patent: 2627999 (1953-02-01), Swan
patent: 2731176 (1956-01-01), Crewe
patent: 2776075 (1957-01-01), Etter

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