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:
Mar. 31, 2009
Filed:
Mar. 10, 2005
Applicants:
Veli-pekka Koljonen, Kärnä, FI;
Mikael Junttonen, Muurame, FI;
Matti Lehtonen, Lannevesi, FI;
Inventors:
Assignee:
Metso Paper, Inc., Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H 29/68 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vacuum belt conveyor for transferring a web threading tail in a web manufacturing machine has a frame construction () and an air permeable belt loop (), which is arranged around rolls (). The vacuum belt conveyor also has a first vacuum means () for creating a vacuum effect for the part of the belt loop () that transports the web threading tail () and a second vacuum means () for creating a vacuum effect in connection with the first roll (). The second vacuum means () is arranged in the frame construction () for creating a vacuum to be introduced to the first roll () inside the belt loop ().