Carton formed from blank of expanded polymer material and blank

Details Carton formed from blank of expanded polymer material and blank Carton formed from blank of expanded polymer material and blank

1985-11-12

1987-04-14

Price, William

Envelopes, wrappers, and paperboard boxes

Paperboard box

With closure for an access opening

229 31, 229 35R, 229 17R, 229132, B65D 508

Patent

active

046571779

ABSTRACT:
A six-sided or parallelepiped carton which is formed by folding a die-cut blank of a generally rigid, unitary blank of a polymeric material in which a major portion of the thickness of the blank comprises an expanded polymeric material, at least some of the corners of such carton being self-sealed by webbed areas or gussets which comprise portions of such blank but which are of reduced thickness relative to the major portions of the remainder thereof, and a die-cut blank which is adapted to be formed into such a carton.

REFERENCES:
patent: Re30098 (1979-09-01), Titchenal et al.
patent: 1723150 (1929-08-01), Gannon et al.
patent: 1987647 (1935-01-01), Wellman
patent: 2516085 (1950-07-01), Williamson
patent: 2553803 (1951-05-01), Zinn, Jr.
patent: 2729385 (1956-01-01), Moore
patent: 3389849 (1968-06-01), Egleston
patent: 3533549 (1970-10-01), Gilchrist et al.
patent: 3577484 (1971-05-01), Jacobson
patent: 3985284 (1976-10-01), Palsson

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