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:
Sep. 28, 1999
Filed:
Jan. 16, 1998
Applicant:
Inventors:
Edward Frank Helinski, Johnson City, NY (US);
Donald Wesley Henderson, Ithaca, NY (US);
David Erle Houser, Apalachin, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
B65H / ; B65H / ; B65H / ;
U.S. Cl.
CPC ...
226147 ; 226143 ; 226195 ; 2424196 ; 2425382 ; 24261512 ;
Abstract
One or more porous air film rolls are used, in a system to support a flexible web during movement of the web, and selectively provide either compliant or rigid clamping of the web while performing processing operations on the web at a work station. The present invention is particularly suitable for punching holes on-the-fly, in both 'X' and 'Y' directions, in a flexible polyamide film. Up to a four-fold increase in punch tool productivity is provided by the present invention.