04319952 is referenced by 13 patents and cites 5 patents.

A hot-wire type cutting machine for severing a continuous web of thermoplastic sheet material into individual segments. The web is arranged to be advanced, step-by-step, and while stationary, the hot-wire is made to pass progressively through the web from one side edge thereof to the other and then, the web is indexed another step. During the next cutting stroke of the hot-wire through the web, the same portion of the wire first contacting the web on the previous cutting stroke is the first to contact the web on the second cutting stroke.

Title
Reciprocally moving hot-wire for bag making machine
Application Number
6/220761
Publication Number
4319952
Application Date
December 29, 1980
Publication Date
March 16, 1982
Inventor
Gilmore T Schjeldahl
4436 Marlborough Ct., Minnetonka, 55343
MN, US
Agent
Thomas J Nikolai
Orrin M Haugen
IPC
B29D 7/06
B32B 31/00
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