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. 02, 2013
Filed:
Sep. 25, 2007
Applicants:
Liisa Lehtinen, Lahti, FI;
Sami Kirvesoja, Hollola, FI;
Jari Nisula, Lahti, FI;
Inventors:
Assignee:
UPM-Kymmene Oyj, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method and a device for producing chaff used in the production of a wood composite material. In accordance with the invention, adhesive laminate waste comprising adhesive material, glue and release material is arranged into chaff in multiple steps and the adhesive properties of the glue are killed.