Method of making a heat shrinkable bag

Details Method of making a heat shrinkable bag Method of making a heat shrinkable bag

1977-02-25

1978-09-26

Coan, James F.

53463, 93DIG1, B31B 164

Patent

active

041161165

ABSTRACT:
A preformed bag-like enclosure formed of heat shrink plastic film for shrink wrapping pallet loads or the like, the enclosure being generally tubular or sleeve-like in shape and provided with a reduced size opening at the top to prevent the enclosure from slipping down over the load to be wrapped prior to the application of heat for shrinking. In one embodiment the top opening is reduced in size by tapering same using upwardly and inwardly extending heat seals, in another by providing transversely extending heat seals and in further ones by providing inwardly spaced spot welds. Methods of fabrication of the latter type are also disclosed.

REFERENCES:
patent: 2545243 (1951-03-01), Rumsey, Jr.
patent: 3397505 (1968-08-01), Critchell
patent: 3534666 (1970-10-01), Maccherone
patent: 3852937 (1974-12-01), Bitsura et al.

Affiliated with

Also associated with

Rating

Method of making a heat shrinkable bag does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of making a heat shrinkable bag, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of making a heat shrinkable bag will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2082899