Dispensing – With discharge assistant – Insertable cartridge or removable container
Patent
1981-05-14
1983-02-15
Skaggs, H. Grant
Dispensing
With discharge assistant
Insertable cartridge or removable container
222386, 222490, 206384, 229 45, 229 55, B65D 8572
Patent
active
043736467
ABSTRACT:
A disposable container comprising a filled, temporarily sealed cartridge for use in a caulking gun-like apparatus for repeated discharge of incremental amounts of the contents thereof of mayonnaise-like consistency. The cartridge includes a generally cylindrical tubular body having an inwardly rolled rim at one end thereof with a generally circular disc disposed within the body and adhesively sealed in abutment with the rim. A plurality of mutually intersecting slits through the disc form a resilient, pressure-responsive valve and orifice in the center portion of the disc. A plug top closure is at least partially disposed in the open opposite end of the tubular body and is provided with a cylindrical sidewall sized to be closely received within the tubular body, at least one circumferential rib on the cylindrical sidewall for tightly and slidingly engaging the tubular body, and a radially outwardly extending closure flange for yieldably abuttingly engaging the annular end face of the tubular body. Alternate forms of generally circular discs as well as a method of assembling such a cartridge are also disclosed.
REFERENCES:
patent: 1188526 (1916-06-01), Wright
patent: 2090111 (1937-08-01), Creveling, Jr.
patent: 2193517 (1940-03-01), Lindstrom
patent: 3274747 (1966-09-01), Ineslein et al.
patent: 3884396 (1975-05-01), Gordon et al.
patent: 3901402 (1975-08-01), Ayres
patent: 4117971 (1978-10-01), Itoh
Phillips Petroleum Company
Skaggs H. Grant
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