Title:
ブラダー内圧の監視方法
Document Type and Number:
Japanese Patent JP7056222
Kind Code:
B2
Abstract:
To provide a method of monitoring bladder internal pressure capable of detecting insufficient internal pressure of a bladder 22 early and contributing to stable production of high-quality tires.SOLUTION: The monitoring method includes: (1) measuring internal pressure of a bladder 22 in an inflation process for inflating the bladder 22 by supplying an expansion medium and a turn-up process of folding a carcass member 6 around a bead member 4 with the inflated bladder 22; (2) contrasting a measured value of the bladder internal pressure obtained by measuring the internal pressure of the bladder 22 with a preset reference range of the bladder internal pressure; and (3) notifying abnormality when the measured value is not included in the reference range in contrast between the measured value and the reference range.SELECTED DRAWING: Figure 5
Inventors:
Shintaro Nakamoto
Application Number:
JP2018031624A
Publication Date:
April 19, 2022
Filing Date:
February 26, 2018
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
B29D30/26
Domestic Patent References:
JP2011230424A | ||||
JP2008254272A | ||||
JP2014226857A | ||||
JP2009137038A | ||||
JP2014094479A | ||||
JP6198766A | ||||
JP2003033977A |
Attorney, Agent or Firm:
Patent Business Corporation Suncrest International Patent Office
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