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. 27, 1990
Filed:
Nov. 27, 1987
Applicant:
Inventors:
Kenneth K Lau, Vancouver, CA;
Robert M Knudson, Coquitlam, CA;
Assignee:
MacMillan Bloedel Research, , CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B27D / ; D32B / ;
U.S. Cl.
CPC ...
428167 ; 428171 ; 4285371 ; 428402 ;
Abstract
A ribbed particleboard (waferboard) product having substantially uniform density throughout is provided by forming a mat of wood particles and superimposing on the mat, ribs of such wood particles and then pressing the mat and ribs simultaneously to consolidate the product and provide the ribbed panel having one side substantially planar and the other side ribbed.