Apparatus and method for wrapping a plastic label around a conta

Details Apparatus and method for wrapping a plastic label around a conta Apparatus and method for wrapping a plastic label around a conta

1983-11-28

1986-03-04

Wityshyn, Michael

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156215, 1563086, 156450, 156458, 156498, 156521, 156578, 156DIG13, 156DIG35, 118212, 118259, B65C 316, B65C 922

Patent

active

045740208

ABSTRACT:
Apparatus and methods are disclosed for a high speed production line in which a container is wrapped with a plastic label comprising a foam polystyrene layer, there being means to move a leading edge of the label to the periphery of a rotating vacuum drum, means to apply methylene chloride to the underside of the foam layer to form finite areas on the leading label edge and a finite area on the trailing edge. The finite areas have therein a rapidly solidifying tacky solution of the foam polymer in methylene chloride, the tacky viscous solutions rapidly solidifying to form an adhesive bond. The solvent-applied label is quickly moved to a label wrapping station where it is wrapped around a container, the finite areas on the leading edge tacking the label to the container, and the finite area on the trailing edge forming a cohesive bond on the seam formed by the overlapped label ends.

REFERENCES:
patent: 3235433 (1966-02-01), Cvacho et al.
patent: 3344222 (1967-09-01), Shapiro et al.
patent: 3468467 (1969-09-01), Amberg
patent: 3648651 (1972-03-01), Hinchcliffe et al.
patent: 4019942 (1977-04-01), Kay, Jr.
patent: 4048281 (1977-09-01), Brummett et al.
patent: 4323416 (1982-04-01), Malthouse et al.
patent: 4406721 (1983-09-01), Hoffmann

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