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:
May. 29, 1984
Filed:
Mar. 15, 1982
Applicant:
Inventor:
Ewald A Kamp, Chicago, IL (US);
Assignee:
Union Carbide Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
225 43 ; 225 49 ; 225 91 ; 83175 ;
Abstract
A severing blade comprising a plurality of spaced-apart extended members, each of said extended members having a blunt upper edge extremity and at least one side-extended tooth with a piercing tip disposed below the blunt upper edge extremity and in the plane of the blade so that a stretchable film transversely pulled over the severing edge will be snagged on the side-projected teeth thereby causing a segment of the film to be severed.