Method and apparatus for producing plastic-covered containers

Details Method and apparatus for producing plastic-covered containers Method and apparatus for producing plastic-covered containers

1974-04-25

1976-05-25

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Means assembling part within hole or aperture

156 86, 156294, 156444, 156458, 156499, 156567, B29D 300

Patent

active

039590658

ABSTRACT:
The disclosure relates to method and apparatus for producing a base article, such as a container, with a shrunken, surface covering of plastic thereon. While conveyed in axial registry with each other, a sleeve form of shrinkable plastic is telescopically assembled onto the article by a cam-operated push-up element and held in place until the article and sleeve enter a heating device for applying heat to a relatively narrow, band-like region of the sleeve about the article causing the plastic of that region to shrink into gripping engagement with the article to hold the sleeve in place until the next step of the process, e.g. the total heat shrinking of the sleeve on the article. The heating device structure is comprised of opposed elongated nozzles through which hot air of 200.degree.-900.degree.F is applied in a narrow horizontal pattern. The article is conveyed between the opposed nozzles, and during travel therethrough the article is rotated.

REFERENCES:
patent: 2452607 (1948-11-01), Slaughter
patent: 3324625 (1967-06-01), Dulmage
patent: 3340678 (1967-09-01), Rhodes
patent: 3710531 (1973-01-01), Bielawski
patent: 3767496 (1973-10-01), Amberg et al.
patent: 3802942 (1974-04-01), Amberg et al.

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