Dispensing – With discharge assistant – Insertable cartridge or removable container
Patent
1976-03-26
1977-05-10
Tollberg, Stanley H.
Dispensing
With discharge assistant
Insertable cartridge or removable container
92247, G01F 1300
Patent
active
040223558
ABSTRACT:
A cartridge for containing and dispensing caulking compound comprises an elongated tubular member, generally cylindrical in configuration, one end of which has a fixed end wall including a dispensing opening therethrough and a spout attached to the end wall, while the other end of the tubular member is closed by a resilient, annular, floating member slidably mounted within the tubular member. The floating member is impervious and is made of a flexible material. When employed in conjunction with a standard caulking gun of the plunger type, the force of the plunger bears directly on the floating member which thereby expands in diameter and decreases in width and transmits pressure to the caulking for dispensing. When the plunger is suddenly withdrawn, the expansion of the floating member effectively absorbs the pressure forces within the cartridge thereby minimizing the amount of undesirable leakage of the caulking from the cartridge.
REFERENCES:
patent: 3029985 (1962-04-01), Kreuger et al.
patent: 3141583 (1964-07-01), Mapel et al.
patent: 3189226 (1965-06-01), Sherbondy
Calvaruso Joseph A.
Casella Anthony J.
Lane Hadd
Tollberg Stanley H.
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