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. 03, 1992
Filed:
Mar. 13, 1991
Applicant:
Inventors:
Pekka Tammi, Tampere, FI;
Kari Marjoniemi, Tampere, FI;
Assignee:
Hollming Oy, Rauma, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F / ;
U.S. Cl.
CPC ...
1623581 ; 29130 ; 29132 ; 162361 ;
Abstract
The invention is related to a cylindrical shell structure (1) for paper machine press section, said shell structure being arranged to enclose at least four support rolls (5, 6, 7). According to the invention the shell structure (1) has at least three layers so that the outer face (4) and inner face (2) of the shell (1) are of a resilient, durable material, and the core (3) is of an elastic material having a high shear elasticity.