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:
Jul. 09, 1991
Filed:
Oct. 18, 1988
Applicant:
Inventors:
Josef Pav, Krefeld, DE;
Gerhard Hartwich, Krefeld, DE;
Rolf Van Haag, Kerken, DE;
Franz Kayser, Geldern, DE;
Assignee:
Kleinewefers GmbH, Krefeld, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B30B / ; B30B / ;
U.S. Cl.
CPC ...
100 38 ; 100 35 ; 100 47 ; 100 74 ; 100 / ; 1001 / ; 1001 / ; 162206 ; 1623601 ;
Abstract
A calendar wherein a bottom roll and a deformable top roll flank one or more intermediate rolls is operated in such a way that the shape of the top roll is caused to conform to that of the adjacent intermediate roll before the nip of the top roll with the adjacent roll is narrowed. At least the top roll is heated to enhance the satinizing effect upon paper webs without unduly affecting the specific volume of treated material. It is further proposed to subject the bottom roll to preliminary deformation and/or to heat the bottom roll and/or one or more intermediate rolls.