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. 26, 2002
Filed:
Apr. 21, 2000
Applicant:
Inventors:
Wen-Pin Chen, Birmingham, MI (US);
Albert C. Chiang, Danbury, CT (US);
John A. Roderick, Scituate, RI (US);
Marcelino A. Martins, Coventry, RI (US);
George B. Martins, Coventry, RI (US);
Assignee:
Mearthane Products Corporation, Cranston, RI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16C 1/300 ;
U.S. Cl.
CPC ...
F16C 1/300 ;
Abstract
A roller includes a metal core, a cylinder including polyurethane, and a conductive adhesive between the metal core and the cylinder. The polyurethane includes a solid solution of a transition metal halide salt and includes less than 5% of salt by weight. The transition metal halide salt provides the polyurethane with a uniform conductivity and a uniform resistivity of between 10 ohm-cm and 10 ohms-cms.