Method of sealing a plug with a food sauce dispensing cartridge

Details Method of sealing a plug with a food sauce dispensing cartridge Method of sealing a plug with a food sauce dispensing cartridge

2006-12-12

2006-12-12

Huynh, Louis K. (Department: 3721)

Package making

Methods

Closing package or filled receptacle

C053S471000, C156S293000, C222S327000

Reexamination Certificate

active

07146782

ABSTRACT:
A method of sealing a plug with a food sauce dispensing cartridge enables leak proof operation of the dispensing cartridge at the site of the plug. The plug, having a circumferential edge, is positioned within the dispensing cartridge and oriented such that the edge is adjacent to the cartridge sidewall. A layer of hot melt adhesive is then applied to the circumferential edge and flows into a gap created between the plug and the cartridge sidewall at a sideseam formed by an overlap region of the cartridge sidewall. The hot melt adhesive subsequently bonds the plug to the cartridge sidewall and prevents food sauce from moving past the circumferential edge of the plug and out of a containment region.

REFERENCES:
patent: 2106577 (1938-01-01), Sherbondy
patent: 3884396 (1975-05-01), Gordon et al.
patent: 4135347 (1979-01-01), Lowdermilk
patent: 4432473 (1984-02-01), MacEwen
patent: 4493860 (1985-01-01), Callahan
patent: 4830231 (1989-05-01), Smith
patent: 6361485 (2002-03-01), Robertson
patent: 6371335 (2002-04-01), MacEwen

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