Dispensing carton for a roll film

Details Dispensing carton for a roll film Dispensing carton for a roll film

1990-02-16

1991-09-24

Watts, Douglas D.

Severing by tearing or breaking

Severing by manually forcing against fixed edge

With work-immobilizing paster surface

225 48, B65D 8567

Patent

active

050507885

ABSTRACT:
A dispensing carton containing film wound cylindrically includes an adhesive retaining device which retains the leading edge of the film left after the film pulled out from a carton box has been cut by a cutter. The retaining device includes a base member, a sticking layer mounted on one surface of the base member to fix the base member on the surface of the front panel and an adhesive layer mounted on the other surface of the base member. The adhesive layer is formed of grafted copolymer obtained by graft-polymerizing vinyl chloride monomer with copolymer of ethylene and vinylacetate. Preferably, the adhesive layer is formed of grafted copolymer obtained by graft-polymerizing vinyl chloride monomer having weight ratio of 80-20 with copolymer of ethylene and vinylacetate having weight ratio of 20-80 in which the weight ratio of ethylene and vinylacetate is 20-70 to 80-30. Further, the surface of the adhesive layer is partially covered by a resin layer to reduce the surface area of the adhesive layer for retaining the film.

REFERENCES:
patent: 3549066 (1970-12-01), Wankow
patent: 3845894 (1974-11-01), Merlin
patent: 3974947 (1976-08-01), Budny
patent: 4307828 (1981-12-01), Sias et al.
patent: 4534497 (1985-08-01), Neale

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