B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
271/75
B29D 23/00 (2006.01)
Patent
CA 1058234
ABSTRACT OF THE DISCLOSURE A method and a machine is disclosed for processing a web of flexible, shrinkable, organic thermo- plastic material whereby pre-decorated shrunken neck label may be formed from the web for overlying the neck and closure of a bottle. The continuous web of material is supplied to a cooperating pair of nip rolls whereby the web is pulled forward in a longitudinal direction at a constant speed. One face of the moving web is penetrated with a knife for slitting the web to a partial depth along the line running in the longitudinal direction of the web. The moving web is engaged between a cooperating pair of pleating rolls and longitudinally spaced apart pleats are formed in the web extending across the web. The web is thereafter engaged on the surface of the drum with the drum surface being driven at a speed in excess of the speed of the web for keeping the web in tension whereby the pleats are formed. The label so formed may then be processed by winding the blank on a mandrel to overlap the ends and seam the overlap to make a sleeve which is then shrunken to a snug fit onto the top neck end of a closure with the pleats absorbing wrinkles that occur in shrinking the material onto the closure.
296842
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