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. 31, 1987
Filed:
Jan. 08, 1986
Applicant:
Inventor:
Heinz J Gerber, West Hartford, CT (US);
Assignee:
Gerber Scientific Inc., South Windsor, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06H / ;
U.S. Cl.
CPC ...
83697 ; 30350 ; 7610 / ; 83174 ; 83701 ; 8392 / ;
Abstract
A knife blade for cutting sheet material has a cutting portion which includes two adjoining faces defining a cutting edge and comprises a relatively soft or high wear base material and a relatively hard or low wear coating. One of the faces is formed by the relatively hard coating and the other face is formed by the relatively soft base material. Both of the faces of the cutting portion are bevelled and are exposed to the sheet material during cutting. Another knife blade embodying the invention has a cutting portion which includes one face formed of a relatively soft base material and another corrugated face formed of a relatively hard coating.