Toray Industries, Inc.

Kenji Matsugasako

Yoshio Kohno

Noriaki Kusatsu

Shunro Kataoka

Masamichi Toki

Yoshikazu Kashiro

An anisotropically electroconductive sheet of a non-electroconductive elastomer and electroconductive wires which have a length substantially the thickness of the sheet. The electroconductive wires are oriented from each other and are formed into patterned wire groupings, which are in turn formed into patterns. The wires in the groupings are parallel in the directions of the sheet thickness, and the wires are spaced from each other in the wire groupings, and are thereby electrically insulated from each other.

Process for producing an anisotropically electroconductive sheet

Multi-filament reinforcing carbon yarn coated with a resorcinol-formaldehyde-latex (RFL) composition for use in reinforced rubber articles such as tires. The reinforcing yarn is prepared from a multi-filament carbon yarn having a limited denier of about 500-4,000, having a twist factor of the yarn of about 0-250, and having individual filaments which have a denier of 1.4-2.0. The reinforcing yarn is impregnated with RFL, so that the amount of coated RFL is at least about 10 weight percent based on the yarn. Treatment of the carbon filament yarn with an epoxy resin, prior to being subjected to impregnation with RFL, is also disclosed.

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Otsu, Japan

Kenji Matsugasako