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. 18, 1980
Filed:
Jun. 07, 1977
Applicant:
Inventors:
Gunnar Cederqvist, Lerdala, SE;
Ulf Aberg, Skovde, SE;
Assignee:
Rockwool Aktiebolaget, Skovde, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H / ;
U.S. Cl.
CPC ...
162152 ; 1621 / ; 162169 ; 162183 ; 162184 ; 162185 ; 162192 ; 162206 ;
Abstract
A method for the manufacture of a sheet containing mineral fibers and binder. An aqueous suspension containing fibers and binder is formed into a layer. The layer is de-watered to form a wet sheet. Additional binder is applied evenly to the entire surface of the de-watered sheet. The sheet is then dried. The sheet may be compressed to an extent of 20% during drying.