Collapsed bag with evacuation channel form unit

Details Collapsed bag with evacuation channel form unit Collapsed bag with evacuation channel form unit

1984-12-14

1986-07-22

Rolla, Joseph J.

Dispensing

Collapsible wall-type container

222105, 222547, 493213, 493929, 383 33, B65D 3500

Patent

active

046014101

ABSTRACT:
A substantially flat collapsed plastic bag with an evacuation form unit insert positioned therein as manufactured to serve as a form about which the filled bag will collapse as it is emptied. The form unit comprises a ring for mounting the unit on the spout of the bag and a multichannel form extending radially from the ring and hingedly connected thereto. A simple method is provided for manufacturing the bag with the form unit insert.

REFERENCES:
patent: 3081911 (1963-03-01), Scholle
patent: 4087026 (1978-05-01), Petterson
patent: 4137930 (1979-02-01), Scholle
patent: 4138036 (1979-02-01), Bond
patent: 4148416 (1979-03-01), Gunn-Smith
patent: 4286636 (1981-09-01), Credle
patent: 4445550 (1984-05-01), Davis et al.
patent: 4524458 (1985-06-01), Pongrass et al.

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