Method of fabricating double-toothed belts

Details Method of fabricating double-toothed belts Method of fabricating double-toothed belts

1985-01-30

1986-05-20

Ball, Michael

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156153, 156245, 264162, 264255, 264263, 264296, 264326, B29H 122, B32B 3106

Patent

active

045899410

ABSTRACT:
A method of forming a double timing belt wherein a belt preform is firstly formed with teeth on one face thereof. The opposite face of the belt in which the tensile cord is embedded is provided with oppositely projecting teeth in accurate alignment with the teeth of the preform by a successive molding of pluralities of such teeth to the opposite face, with the preform entrained about a pair of adjustably spaced toothed pulleys. Accurate uniform pitch line difference is maintained by providing shims between the mold and belt support during the molding of the second set of teeth to the preform. The mold and support are retained in accurate alignment by cooperating dowels and recesses on the support and mold members. Cooling devices are provided at opposite ends of the mold for preventing full vulcanization of the tooth rubber thereat.

REFERENCES:
patent: 2867845 (1959-01-01), Sauer
patent: 3673883 (1972-07-01), Adams
patent: 3860684 (1975-01-01), Vance, Sr.
patent: 3897291 (1975-07-01), Hoback et al.
patent: 4359355 (1982-11-01), Stecklein et al.
patent: 4369160 (1983-01-01), Esidi et al.
patent: 4414047 (1983-11-01), Wetzel et al.

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