Cartridge-type dispenser

Details Cartridge-type dispenser Cartridge-type dispenser

B - Operations, Transporting

65

D

222/82

B65D 83/00 (2006.01)

Patent

CA 1177800

CARTRIDGE-TYPE DISPENSER Abstract of the Disclosure A disposable container comprising a filled, temporarily sealed cartridge for use in a caulking gun-like dispenser mechanism 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 sealed within the body in abutment with the rim. A plural- ity 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 disposed within the opposite end of the tubular body and is provided with a tapered side wall sized to be closely received within the tubular body, at least one circumferential rib on the sidewall for tightly, slidingly engaging the tubular body, and a radially outwardly extending closure lip for yieldably engaging the inner surface of the tubular body and providing a liquid tight seal between the top plug closure and the tubular body. An optional radially inwardly curled lip is disclosed on the opposite inlet end of the tubular body. A delaminable laminated tubular body side wall is also disclosed along with a method of assembling such a disposable container.

393072

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