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. 06, 1984
Filed:
Jul. 25, 1983
Applicant:
Inventors:
Ronald D Agronin, Appleton, WI (US);
Paul J Klemmer, Appleton, WI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B30B / ; B30B / ;
U.S. Cl.
CPC ...
100 38 ; 100 47 ; 1001 / ; 2911 / ; 72243 ;
Abstract
The invention comprises a method and apparatus for accurately calendering a web of material, such as paper. Zone control rolls of variable geometric profile are provided for a super calender at the top and bottom nips. The upper zone control roll has its geometric profile along the nip altered as a function of web caliper. The bottom zone control roll has its geometric profile altered as a function of temperature measured at the bottom compliant roll of the super calender.