The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 16, 1982
Filed:
Dec. 29, 1980
Applicant:
Inventor:
Gilmore T Schjeldahl, Minnetonka, MN (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B29D / ;
U.S. Cl.
CPC ...
156510 ; 156515 ;
Abstract
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.
Schjeldahl, Gilmore. (1982). Reciprocally moving hot-wire for bag making machine (U.S. Patent No. 4319952). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4319952
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile