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US 5,059,274 AGranted
Tire forming apparatus including upper and lower conveyors
AssigneeBridgestone Corporation
InventorYuzo Kumagai
Life of this patent
Estimating the term…
Abstract
In a tire forming method or apparatus, a plurality of belt-shaped tire forming members are cut to predetermined lengths and piled one on another with their ends shifted in a longitudinal direction to form a member assembly, and the latter is wound on a tire forming drum so that the tire forming members are wound simultaneously and the ends of each of the tire forming members are joined together with high accuracy, whereby the tire forming member winding work can be achieved with high efficiency and with ease.
Claims7
A tire forming apparatus comprising:
- a tire forming drum, conveying means having at least two endless conveyors laid one over another in such a manner that the downstream end portion of the upper conveyor forms an acute angle with a substantially horizontal run of a portion of a lower conveyor;
- and cutting means for cutting to predetermined lengths different kinds of tire forming members which are conveyed respectively by said conveyors of said conveying means and supplied to said tire forming drum, in which:
- said lower conveyor is bent at the intersection of an extension line of the downstream end portion of said upper conveyor and said lower conveyor in such a manner that a conveying surface of said lower conveyor which is on the downstream side of said intersection is aligned and substantially coplanar with the conveying surface of the downstream end portion of said upper conveyor,
- an extension conveyor is disposed between the downstream end of said upper conveyor and the bend point of said lower conveyor in such a manner that a conveying surface of said extension conveyor is aligned and substantially coplanar with those of said upper and lower conveyors, and
- drive means is provided to forcibly drive said extension conveyor.
2 more elements
Dependencies are inferred from the claim text.