Plastics sack with internal closure member, base cover sheet and

Details Plastics sack with internal closure member, base cover sheet and Plastics sack with internal closure member, base cover sheet and

1978-12-11

1980-11-25

Garbe, Stephen P.

Envelopes, wrappers, and paperboard boxes

File folder or file envelope

Hanging type

229 62, B65D 3338

Patent

active

042353661

ABSTRACT:
A plastics sack made from tubular material has one end of the tube folded to form a base defined by two triangular tucks interconnected by a welded-on or heat sealed joining strip, and two side flaps which incorporate the ends of the joining strip. A cover sheet is adhered over part of the corner tucks and over only one of the side flaps. The other side flap can be pulled out from beneath the cover sheet to form a controlled outlet for the sack contents or is temporarily secured to the outside of the cover sheet so that it can be readily detached for the same purpose.

REFERENCES:
patent: 1947934 (1934-02-01), Geimer
patent: 2771010 (1956-11-01), Piazze
patent: 2948457 (1960-08-01), Thiele
patent: 3373918 (1968-03-01), Krings

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