Method of forming topping sheet and apparatus thereof
AssigneeToyo Tire & Rubber Co., Ltd.
InventorsMasaya Fujimoto, Kazuhiro Kobayashi
Life of this patent
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Abstract
A topping sheet forming method includes: a division step of cylindrically winding a textile original fabric, obtained by weaving longitudinally aligned tire cords into a cord fabric by use of weft yarns, to form an original fabric roll and cutting off the weft yarns in predetermined widthwise positions by using a wire wound on the original fabric roll in a predetermined winding angle range to divide the textile original fabric into narrow textile original fabrics; and a topping step of topping at least one surface of each of the narrow textile original fabrics with unvulcanized rubber.
Claims9
A topping sheet forming method comprising:
- a division step of cylidrically winding a textile original fabric, obtained by weaving longitudinally aligned tire cords into a cord fabric by use of weft yarns, to form an original fabric roll and cutting off the weft yarns in predetermined widthwise positions by use of a wire wound on the original fabric roll in a predetermined winding angle range to divide the textile original fabric into narrow textile original fabrics;
- and
- a topping step of topping at least one surface of each of the narrow textile original fabrics with unvulcanized rubber.
A topping sheet forming apparatus comprising:
- a division part that cylidrically winds a textile original fabric, obtained by weaving longitudinally aligned tire cords into a cord fabric by use of weft yarns, to form an original fabric roll and cuts off the weft yarns in predetermined widthwise positions by using a wire wound on the original fabric roll in a predetermined winding angle range to divide the textile original fabric into narrow textile original fabrics;
- and
- a topping part that tops at least one surface of each of the narrow textile original fabrics with unvulcanized rubber.
Dependencies are inferred from the claim text.