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:
May. 20, 1997
Filed:
May. 06, 1996
Applicant:
Inventors:
Assignee:
Tsubakimoto Chain Co., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16G / ;
U.S. Cl.
CPC ...
474205 ; 474271 ;
Abstract
A toothed belt includes a tensile body embedded therewithin and the tooth surface thereof coated with a tooth sheet, wherein the tooth sheet is treated by RFL solution including inorganic pigments. The toothed belt, after treatment by RFL solution, forms an RFL solution impregnated layer at the tooth surface thereof. Resorcin and formaldehyde are compounded in the mole ratio of 1:1 to 1:3, while resorcin and formaldehyde are compounded with latex in the weight ratio of 1:5 to 1:15. Solid content of RFL solution is compounded with inorganic pigments in the weight ratio of 20:1 to 1:2. The inorganic pigment is selected from those other than black colored series.