Dispensing – With recorder – register – indicator – signal or exhibitor – Position or extent of motion indicator
Patent
1984-04-23
1986-04-29
Rolla, Joseph J.
Dispensing
With recorder, register, indicator, signal or exhibitor
Position or extent of motion indicator
222103, 74 8915, B67D 522, B65D 3528
Patent
active
045851476
ABSTRACT:
An improved dispenser for the contents of collapsible tubes is provided in which a pair of opposing squeezers are advanced along two opposing pairs of externally threaded rods within a housing. The squeezers are made of a flexible material such as semi-rigid rubber and are configured such that one end of each squeezer is longitudinally displaced towards the dispensing aperture in the housing and transversely displaced towards the sidewall of the housing. This arrangement causes the squeezers to deform and change profile when the leading edges of the advancing squeezers are stopped prior to the following edges being stopped. The deformation of the squeezers more effectively places pressure on the collapsible tube near the dispensing aperture of the tube and substantially completely dispenses the contents of the tube.
REFERENCES:
patent: 1763273 (1930-06-01), Strauss et al.
patent: 2140007 (1938-12-01), Grandman
patent: 2492533 (1949-12-01), Olsen
patent: 3187951 (1965-06-01), Hardman et al.
patent: 3297205 (1967-01-01), Sumner
patent: 4140117 (1979-02-01), Buckles et al.
Jones Andrew
Rolla Joseph J.
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