Method of manufacturing raw tire, and raw tire manufacturing device
AssigneeBridgestone Corporation
InventorIchizou NAKAMURA
Life of this patent
Estimating the term…
Abstract
A method of manufacturing a raw tire of one aspect of the present disclosure includes: winding a strip-shaped body on a forming drum in a circumferential direction, and overlapping and joining together respective end portions of the strip-shaped body in a winding direction so as to form a joined portion; and layering a ribbon on the strip-shaped body by winding the ribbon on the strip-shaped body in a direction in which the ribbon runs up onto a step of an end portion that is positioned at a radial direction outer side among the respective end portions configuring the joined portion.
Claims20
A method of manufacturing a raw tire, the method comprising:
- winding a strip-shaped body on a forming drum in a circumferential direction, and overlapping and joining together respective end portions of the strip-shaped body in a winding direction so as to form a joined portion;
- and
- layering a ribbon on the strip-shaped body by winding the ribbon on the strip-shaped body in a direction in which the ribbon runs up onto a step of an end portion that is positioned at a radial direction outer side among the respective end portions configuring the joined portion.
A raw tire manufacturing device, comprising:
- a forming drum;
- a strip-shaped body winding device that winds a strip-shaped body onto the forming drum in a circumferential direction, and overlaps and joins together respective end portions of the strip-shaped body in a winding direction so as to form a joined portion;
- and
- a ribbon winding device that layers a ribbon on the strip-shaped body, which has been wound on the forming drum by the strip-shaped body winding device, by winding the ribbon on the strip-shaped body in a direction in which the ribbon runs up onto a step of an end portion that is positioned at a radial direction outer side among the respective end portions configuring the joined portion.
Dependencies are inferred from the claim text.