Method and device for manufacturing belt material for tire

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

Reexamination Certificate

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Details

C156S174000, C156S193000, C156S397000, C156S427000

Reexamination Certificate

active

06969439

ABSTRACT:
A method of manufacturing a belt material for tire, comprising the steps of spirally winding a ribbon, having a plurality of linear cords disposed longitudinally and coated with rubber, on the outer peripheral surface of a drum at specified pitches while the drum is rotated, sticking the side edges of the wound ribbon to each other so as to form a cylindrical wound body, and a linearly moving rotating blade in the axial direction of the drum in contact with a spiral blade groove formed in the drum at specified pitches while the drum is rotated so as to cut the wound body spirally so as to form a belt material having a specified width and a cord inclination angle.

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European Application No. No. 00957016, Search Report dated Apr. 20, 2004.

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