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:
Feb. 20, 1996
Filed:
Jun. 15, 1994
Applicant:
Inventors:
Vesa Raudaskoski, Jarvenpaa, FI;
Petteri Rinne, Kerava, FI;
Assignee:
Valmet Paper Machinery, Inc., Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H / ;
U.S. Cl.
CPC ...
2425414 ; 242542 ;
Abstract
A drum winder and method for winding a web, including winding drums for supporting a roll that is being formed and a pressurized gap formed by the winding drums and the roll being formed. The cutter well or a part of same has been formed as a sealed pressure chamber and is coupled to the gap in order to pressurize the gap.