Sack or bag with bottom portion

Details Sack or bag with bottom portion Sack or bag with bottom portion

1994-05-02

1995-08-01

Garbe, Stephen P.

Flexible bags

End structure

Formed by folding bag walls on common fold line and joining...

383125, B65D 3010

Patent

active

054375088

ABSTRACT:
A sack or bag has a front wall and a rear wall which are respectively connected laterally by a lateral fold, with a strip of the front wall together with the lateral folds on at least one of the two initially open ends being folded about a first folding line running transverse to the longitudinal axis. The corresponding strip of the rear wall remains in place and the folded-over strip of the front wall, as well as the strip left in place on the rear wall, are once again folded around the outer edge of the folded-over strip and attached in this position on the outside of the sack or bag. To make a sack or bag with a tight, leak-proof bottom portion, a corner tuck each is formed on both sides between the strips of the rear wall initially left in place and the side folds folded over together with the folded strip.

REFERENCES:
patent: 279588 (1883-06-01), Onderdonk
patent: 340074 (1886-04-01), Appel
patent: 396388 (1889-01-01), Benner
patent: 421191 (1890-02-01), Porter
patent: 640173 (1900-01-01), Benner
patent: 2429505 (1947-10-01), Ashman
patent: 3526354 (1970-09-01), Gibbs
patent: 4192448 (1980-03-01), Porth

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