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:
Nov. 13, 2001
Filed:
Oct. 20, 1999
Applicant:
Inventors:
Dan Eichinger, Cedar Rapids, IA (US);
Allen Bressler, Cedar Rapids, IA (US);
Assignee:
International Paper Company, Tuxedo, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B31B 1/62 ;
U.S. Cl.
CPC ...
B31B 1/62 ;
Abstract
A pressure pad suitable for use in the heat sealing of a substantial universe of bottom-panel folding designs for closing the bottom of a carton or container. This new pressure pad includes a pattern of sculpting of that surface thereof which is presented to the infolded panels of the bottom of a laminated paperboard carton thereby providing a pressure pad that is substantially universal with respect to its ability to repeatedly effect the desired heat sealing of a plurality of geometrically differing combinations of bottom panels defining the bottom of a paperboard carton.