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:
Jan. 06, 1981
Filed:
Sep. 14, 1979
Applicant:
Inventors:
Kenneth D Richmond, Nixa, MO (US);
Joseph P Miranti, Jr, Nixa, MO (US);
Dewey D Henderson, Springfield, MO (US);
Assignee:
Dayco Corporation, Dayton, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29H / ;
U.S. Cl.
CPC ...
156138 ; 474242 ; 156140 ; 156142 ; 264314 ; 264325 ; 425 / ; 425 / ;
Abstract
An improved ring molding apparatus for molding toothed V-belts is provided which comprises, in one embodiment, a ring mold having an outer circumferential surface which is grooved to provide a mating surface for a bladder having an inner surface having a plurality of tooth-forming projections and recesses. According to another embodiment, the bladder has a plurality of axially-running projections and recesses arranged in an annulus for each of the mold cavities. Also provided is a method for making molded V-belts which comprises curing the belt in the above molds.