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COEXTROPHY CABLE AND PROCESS FOR COEXTRUDE ELEMENTS OF REINFORCED ELASTOMERIC MATERIAL
COEXTROPHY CABLE AND PROCESS FOR COEXTRUDE ELEMENTS OF REINFORCED ELASTOMERIC MATERIAL
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机译:增强弹性材料的共挤元件的共挤电缆和工艺
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摘要
A coextrusion head for producing a generally tubular elastomeric ply made up of first and second concentric tubular streams of elastomeric material having interposed, adjacent to their interface, a closely spaced array of parallel reinforcing elements wherein the coextrusion head includes a reinforcing element guide subassembly including a generally annular guide element as well as a mechanism for individually and independently directing and accurately positioning a circular array of uniformly spaced individual reinforcing elements. A generally annular inner die assembly cooperates with the annular guide element to form a first distribution channel and a generally annular outer die assembly also cooperates with the annular guide element to form a second distribution channel, with the guide element cooperating with the inner and outer die assemblies to produce concentric first and second tubular extrudate paths which thereafter merge into a third such path with the individual reinforcing elements being introduced into the interface between the first and second tubular streams of elastic material as they merge into a third tubular stream so as to produce the tubular elastomeric reinforced ply. A method for coextruding an annular seamless component of reinforced elastomeric material is also presented.
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