Heat-sealable coated paper container and method of manufacture

Details Heat-sealable coated paper container and method of manufacture Heat-sealable coated paper container and method of manufacture

1983-03-09

1985-10-15

Shoap, Allan N.

Envelopes, wrappers, and paperboard boxes

Paperboard box

End structure

220 67, 493297, 493379, B65D 322, B65D 1304

Patent

active

045469113

ABSTRACT:
A wound double-walled container and method of manufacturing the same from coated paper includes two blanks which are placed one above the other and which form the container walls. The blanks are arranged mutually offset in such a manner that narrow foldable strips project laterally and foladble rim portions extend at the top and bottom, which are folded over for sealing the inwardly and outwardly and endwise disposed cut edges. The folding-over takes place either after the winding of the blanks or while the individual blanks are still flat, which thereafter are wound separately one after the other about a winding mandrel and are sealed.

REFERENCES:
patent: 1959193 (1934-05-01), Boeye
patent: 2416813 (1947-03-01), Barbieri
patent: 2440339 (1948-04-01), Langer
patent: 2540565 (1951-02-01), Barbieri
patent: 3072517 (1963-01-01), Gaylord
patent: 3242829 (1966-03-01), White
patent: 3949927 (1976-04-01), Smith et al.

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