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:
Apr. 16, 1985
Filed:
Jul. 28, 1982
Applicant:
Inventor:
William E Bowen, Neenah, WI (US);
Assignee:
American Can Company, Greenwich, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264 22 ; 15624419 ; 156253 ; 156277 ; 264 25 ; 264132 ; 264154 ; 264171 ;
Abstract
A perforated plastic film is produced by forming a pattern of light absorbing material (e.g., in dot and/or circular forms) on the film and subjecting the printed film to radiant energy from a light source in order to melt the film areas covered with the light absorbing material, thus producing a corresponding plurality of perforations in the plastic film.