Packing of the folding bag type, primarily for pipe tobacco, and

Details Packing of the folding bag type, primarily for pipe tobacco, and Packing of the folding bag type, primarily for pipe tobacco, and

1978-09-18

1980-10-21

Ross, Herbert F.

Special receptacle or package

For tobacco, pipe or cigarette holder

Pouch type

209 62, 150 43, A24F 2302

Patent

active

042289009

ABSTRACT:
A plastic sheet packing or packing member of the flat folding bag type, primarily for pipe tobacco, the mouth opening of which is sealed in a welded manner enabling it to be opened without rupturing the sheet materials adjacent the mouth opening. The mouth is closed by a type of welding providing a good sealing effect though being releasable by mechanical pull to facilitate opening of the packing. The opposed surface portions of the mouth area may be welded direct to each other in this manner, or a separate, removable closing strip may be arranged along and across the mouth and secured by the releasable type of welding. This type of welding may require mutually different materials to be joined, and this is obtained either by the use of said separate strip or by using a sandwich sheet for the packing itself.

REFERENCES:
patent: 3380576 (1968-04-01), Deimann
patent: 3460742 (1969-08-01), Langdon
patent: 3471005 (1969-10-01), Sexstone
patent: 3596828 (1971-08-01), Foster
patent: 3761013 (1973-09-01), Schuster

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