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:
Oct. 17, 1989
Filed:
Apr. 14, 1988
Applicant:
Inventors:
Robert B Davis, Framingham, MA (US);
Charles E Kramer, Walpole, MA (US);
Sandra K Barlow, Blackstone, MA (US);
Assignee:
Albany Research (UK) Limited, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428234 ; 162D / ; 162358 ; 428280 ; 428300 ; 428287 ;
Abstract
The invention relates to an improved felt for a paper making machine having a batt formed from polyamide-12 needled to a woven base. The polyamide 12 batt may contain an antioxidant. The felts in accordance with the invention show much improved longevity and resistance to 'flattening' in service.