Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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B29D
PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
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30/00
Producing pneumatic or solid tyres or parts thereof
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B29D30/06
Pneumatic tyres or parts thereof; (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
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B29D30/38
Textile inserts, e.g. cord or canvas layers, for tyres; Treatment of inserts prior to building the tyre
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B29D30/42
Endless textile bands without bead-rings
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B29D2030/421
General aspects of the joining methods and devices for creating the bands
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B29D2030/423
Joining by overlapping
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B29D2030/423

METHOD OF MANUFACTURING RAW TIRE, AND RAW TIRE MANUFACTURING DEVICE
20250074022 · 2025-03-06 ·

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.