Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With bending – folding – winding – or wrapping means
Patent
1975-03-24
1976-11-02
Powell, William A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With bending, folding, winding, or wrapping means
74231C, 138121, 138138, 138153, 138174, 156425, 156446, 156472, 156499, 156539, 156556, 156582, 425501, 425517, 425520, B29H 722, B32B 522, B32B 2510
Patent
active
039895807
ABSTRACT:
A method and assembly for making a power transmission belt having driving teeth on opposite surfaces thereof and a tensile member embedded therein. The disclosure also relates to a belt made by the method and apparatus. The method includes providing separate toothed belt portions which will form the two halves of the belt, positioning the first belt portion on a grooved mandrel with the teeth of the first portion disposed within the grooves of the mandrel, applying a tensile member over the outer periphery of the non-toothed surface of the first portion, positioning the other belt portion over the tensile member with its toothed surface facing outwardly of the mandrel; aligning the teeth of the second portion in a predetermined position relative to the teeth of the first portion, retaining the configuration of the teeth of the second portion relative to the teeth of the first portion; and curing the belt portions into a molded integral structure with teeth on opposite surfaces and preferably having a wear-resistant facing covering the opposite toothed surfaces. The disclosed assembly includes means such as a grooved mandrel for maintaining the tooth configuration in the first belt portion and a flexible grooved matrix of special construction for maintaining the tooth configuration in the second belt portion.
REFERENCES:
patent: 2065180 (1936-12-01), Freedlander
patent: 3068710 (1962-12-01), Beckadolph et al.
patent: 3250653 (1966-05-01), Geist et al.
patent: 3418186 (1968-12-01), Wetzel
patent: 3464875 (1969-09-01), Brooks et al.
patent: 3673883 (1972-07-01), Adams
Geist Joseph C.
Hoback Ronald D.
Bokan Thomas
Brunner F. W.
Powell William A.
The Goodyear Tire & Rubber Company
Yaist R. P.
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