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:
Aug. 12, 2003
Filed:
May. 17, 2002
Applicant:
Inventor:
David Paul Miller, Lindenhurst, IL (US);
Assignee:
United States Gypsum Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F 1/100 ; D21F 1/18 ; D21F 1/00 ;
U.S. Cl.
CPC ...
D21F 1/100 ; D21F 1/18 ; D21F 1/00 ;
Abstract
A headbox for use in a water felting process includes a housing and two rotating horizontal distribution rolls. The housing has curved sections shaped to conform to the outer cylindrical surface of the distribution rolls, wherein the curved section is closely spaced to a portion of the outer cylindrical surface of both distribution rolls.