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:
Nov. 16, 1982
Filed:
May. 14, 1981
Applicant:
Inventors:
Roy B Parker, Monmouth, ME (US);
Daniel R Levesque, Lewiston, ME (US);
Assignee:
Albany International Corp., Albany, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
D04H / ; H04R / ;
U.S. Cl.
CPC ...
181169 ; 1791 / ; 1791 / ; 264119 ; 264122 ; 264126 ; 428 65 ; 428288 ;
Abstract
The disclosure is of a high performance speaker diaphragm which comprises needled and interlocked textile staple fibers of a first, relatively heat-resistant fiber and a second, heat-softenable fiber. The fibers are molded together to soften the second fiber whereby it interlocks with the first fiber.