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:
Aug. 05, 1980
Filed:
May. 22, 1978
Wilber G Hudson, Columbus, GA (US);
Ronald B Welch, Columbus, GA (US);
Lummus Industries, Inc., Columbus, GA (US);
Abstract
The application discloses an assembly comprising an elongated knife in association with a heating unit together with means to mount the assembly so as substantially to eliminate all warping or other distortion of the knife due to heat. Specifically, the knife is mounted directly against the sheath of an electric resistance type heating unit. The heating unit and knife are mounted from a supporting frame in such fashion that they may expand or 'grow' axially, thus substantially to eliminate distortion of the heating unit and knife. Also associated with the supporting framework for the heating unit and knife is means slightly to tension the sheet to be cut on either side of the knife, while the cutting takes place, thus to prevent after-cutting contact of the sheet edges with the knife.