B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
B29D 30/30 (2006.01) B29C 63/00 (2006.01) B29D 30/44 (2006.01) B29D 30/70 (2006.01) B29C 53/36 (2006.01)
Patent
CA 2151647
A method and apparatus is described for applying unvulcanized gumstrips in precise overlapping relation on the marginal edges of an unvulcanized tire reinforcement belt or breaker to enhance the adhesion between the reinforcement belt or breaker and surrounding components of a finished, vulcanized tire. The method and apparatus comprise a number of important features; namely, tensioning the gumstrips as they pay out from a letoff device, reeving the gumstrips, in tension, at least partially around a pair of barrel-shaped rollers which precisely locate the gumstrips for subsequent contact with a belt as it moves in a horizontal pathway, providing a specially contoured roller for applying the gumstrips to the moving belt, removing a protective cover sheet from each gumstrip at a unique angle where the resistance to separating the two components is minimized, and folding any portions of the gumstrips overhanging the marginal edges of the belt, at a plurality of stations which employ at least two sets of rollers which are resiliently and horizontally preloaded to accommodate variations in the width of the belts being processed.
Sim & Mcburney
The Goodyear Tire & Rubber Company
LandOfFree
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