Film web perforation

Details Film web perforation Film web perforation

1987-02-25

1988-08-23

Coan, James F.

Package making

Methods

Conforming by stretching or shrinking of cover over contents

53211, 53389, 53556, 219384, B65B 1128, B65B 6102

Patent

active

047651202

ABSTRACT:
A device for perforating a film web while wrapping a load which the film web includes a web dispenser for dispensing the film web and an arrangement for providing relative rotation between the load and the web dispenser to wrap the film web on the load. It also includes electrodes positioned proximate to the film web and an arrangement for generating an arc at the electrodes to perforate the film web with the arc.

REFERENCES:
patent: 3019573 (1962-02-01), Navikas
patent: 3921803 (1975-11-01), Reed
patent: 4100396 (1978-07-01), Martin
patent: 4207458 (1980-06-01), Lilly
patent: 4278871 (1981-07-01), Schmidt-Kufeke et al.
patent: 4314142 (1982-02-01), Brown et al.
patent: 4447709 (1984-05-01), Whitman
patent: 4593518 (1986-06-01), Lancaster

Affiliated with

Also associated with

Rating

Film web perforation does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Film web perforation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Film web perforation will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-829122