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Patent Searching and Data


Title:
TIRE MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2022181288
Kind Code:
A
Abstract:
To provide a tire manufacturing method with reduced air residues.SOLUTION: This tire manufacturing method includes the steps of (A) winding a rubber sheet having one end and the other end to form a joint including these ends, (B) assembling a rubber member to the rubber sheet to obtain a low cover 4 having a space caused by the joint, (C) placing the low cover 4 into a vulcanizing apparatus 2 including a mold 6 having a cavity surface 6A and a bladder 8 having a body 8C and a projection 8E protruding from the body 8C, and positioning the low cover 4 between the mold 6 and the bladder 8, and (D) expanding the bladder 8 to press the low cover 4 against the cavity surface 6A while crushing the space with the protrusion 8E.SELECTED DRAWING: Figure 1

Inventors:
ONO SATORU
Application Number:
JP2021088156A
Publication Date:
December 08, 2022
Filing Date:
May 26, 2021
Export Citation:
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Assignee:
SUMITOMO RUBBER IND
International Classes:
B29C33/02; B29C35/02; B29D30/06
Attorney, Agent or Firm:
Aiko Patent Office, a patent business corporation