Dispenser for flowable materials

Details Dispenser for flowable materials Dispenser for flowable materials

1986-08-27

1988-05-10

Spar, Robert J.

Dispensing

Movably mounted supply container

Moving relatively to trap, impeller or valve to cause discharge

222386, 222405, 222562, G01F 1100

Patent

active

047429402

ABSTRACT:
A dispenser for flowable materials such as toothpaste includes a hollow barrel in the form of a cylinder open at its lower end and closed at its upper end with the flowable material being inserted in the cylinder. A plunger, which is also in the form of a hollow cylinder open at its lower end and closed at its upper end is telescopically arranged in the cylinder so that upon telescopic movement of the plunger in the barrel, flowable material is dispensed from a spout at the upper portion of the barrel.

REFERENCES:
patent: 1595889 (1926-08-01), Stevens
patent: 1724617 (1929-08-01), Rapellin
patent: 2353463 (1944-07-01), Harman
patent: 2354477 (1944-07-01), Radbruch
patent: 2655289 (1953-10-01), Peal
patent: 2724385 (1955-11-01), Lockhart
patent: 2751126 (1956-06-01), Chandler
patent: 2831483 (1958-04-01), Lorenzo
patent: 2898007 (1959-08-01), Gassaway
patent: 3042273 (1962-07-01), Bauer et al.
patent: 3227161 (1966-01-01), Lorenzo
patent: 4533069 (1985-08-01), Drobish

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