|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||156/140 ; 156/153 ; 156/245 ; 264/162|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 8 인용 특허 : 3|
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 method of forming a double timing belt, comprising the steps of: (a) forming a continuously looped timing belt preform having cog teeth disposed seriatim in one longitudinal face thereof; (b) wrapping longitudinally about said looped preform opposite face a stretchable fabric layer; (c) inserting between said fabric layer and said preform opposite face an insert of unvulcanized rubber without teeth having a length longitudinally of the preform corresponding to a preselected group of teeth of said preform; (d) closing a tooth mold to cause said rubber...