Material for packing containers

Details Material for packing containers Material for packing containers

1986-01-22

1988-05-24

Little, Willis

Envelopes, wrappers, and paperboard boxes

Paperboard box

Box material includes a coating or a nonpaperboard...

229132, B65D 300

Patent

active

047460580

ABSTRACT:
A blank for packing containers having a carrier layer of paper or cardboard and a layer of thermoplastic-coated aluminum foil which is used for generating by means of induction devices the heat required for sealing overlapping plastic layers of the blank in a Z-shaped configuration wherein the aluminum foil layer is removed locally along the sealing regions in outer layers but is kept intact in the inner layer.

REFERENCES:
patent: 1665576 (1928-04-01), Witham
patent: 3010260 (1961-11-01), Subklew
patent: 3179025 (1965-04-01), Schur
patent: 3402875 (1968-09-01), Palmer
patent: 3408776 (1968-11-01), Kalwaites
patent: 3462065 (1969-08-01), Asman
patent: 3779786 (1973-12-01), Tone
patent: 3780626 (1973-12-01), Hollier, Jr.
patent: 3854249 (1974-12-01), Fletcher
patent: 4322003 (1982-03-01), Long
patent: 4533576 (1985-08-01), Tanahashi et al.

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