Sack-forming sheet

Details Sack-forming sheet Sack-forming sheet

1987-08-17

1990-07-03

Marcus, Stephen

Flexible bags

Convertible

383 75, 190 1, B65D 3000

Patent

active

049386077

ABSTRACT:
Thermoplastic sheets having a draw tape within peripheral hems are gatherable into sacks. Such sheets are useful for disposable kitchen liners, tablecloths, leaf-collecting bags, etc.

REFERENCES:
patent: 1237628 (1917-08-01), Ford
patent: 1861864 (1932-06-01), Kennedy
patent: 1902368 (1933-03-01), Johns
patent: 2766797 (1956-10-01), Cowen
patent: 3196757 (1965-07-01), Samways
patent: 3738568 (1973-06-01), Ruda
patent: 3920180 (1975-11-01), Meier
patent: 4337812 (1982-07-01), Trinkner
patent: 4723327 (1988-02-01), Smith
patent: 4738545 (1988-04-01), Westgor

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