JPS56120329A - Turning-up method for ply - Google Patents

Turning-up method for ply

Info

Publication number
JPS56120329A
JPS56120329A JP2434980A JP2434980A JPS56120329A JP S56120329 A JPS56120329 A JP S56120329A JP 2434980 A JP2434980 A JP 2434980A JP 2434980 A JP2434980 A JP 2434980A JP S56120329 A JPS56120329 A JP S56120329A
Authority
JP
Japan
Prior art keywords
ply
bladder
turning
tightening
tire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2434980A
Other languages
Japanese (ja)
Other versions
JPH0130618B2 (en
Inventor
Toshio Okawachi
Tadashi Uemura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP2434980A priority Critical patent/JPS56120329A/en
Publication of JPS56120329A publication Critical patent/JPS56120329A/en
Publication of JPH0130618B2 publication Critical patent/JPH0130618B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Tyre Moulding (AREA)

Abstract

PURPOSE: To improve the tightening of a ply and promote the quality of a tire by turning the ply up moving a bladder in the winding tightening direction of the ply by the ply turning-up reaction of the bladder.
CONSTITUTION: A ply 14 is turned up by using an expansible bladder 5. In this case, the bladder 5 is moved to an expansion starting location, compressed air is supplied to the bladder 5, the bladder 5 is expanded, and the bladder 5 is shifted in the winding tightening direction of the ply 14 by the ply turning-up reaction of the bladder 5, turning the ply 14 up by means of the expanding bladder 5. An auxiliary bladder 22 is also used. The ply 14 can be turned up pulling the ply 14 around a bead 16 by the adhesive power of a contacting surface between the ply 14 and the bladder 5, thus improving the tightening of the ply 14, then promoting the quality of a tire to be molded.
COPYRIGHT: (C)1981,JPO&Japio
JP2434980A 1980-02-28 1980-02-28 Turning-up method for ply Granted JPS56120329A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2434980A JPS56120329A (en) 1980-02-28 1980-02-28 Turning-up method for ply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2434980A JPS56120329A (en) 1980-02-28 1980-02-28 Turning-up method for ply

Publications (2)

Publication Number Publication Date
JPS56120329A true JPS56120329A (en) 1981-09-21
JPH0130618B2 JPH0130618B2 (en) 1989-06-21

Family

ID=12135710

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2434980A Granted JPS56120329A (en) 1980-02-28 1980-02-28 Turning-up method for ply

Country Status (1)

Country Link
JP (1) JPS56120329A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5833444A (en) * 1981-08-24 1983-02-26 Bridgestone Corp Method and apparatus for folding back breaker layer for radial tire
KR100477429B1 (en) * 2001-12-10 2005-03-23 금호타이어 주식회사 A building drum of green tire

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5117993A (en) * 1974-05-03 1976-02-13 Phillips Petroleum Co

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5117993A (en) * 1974-05-03 1976-02-13 Phillips Petroleum Co

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5833444A (en) * 1981-08-24 1983-02-26 Bridgestone Corp Method and apparatus for folding back breaker layer for radial tire
JPS6235389B2 (en) * 1981-08-24 1987-08-01 Bridgestone Corp
KR100477429B1 (en) * 2001-12-10 2005-03-23 금호타이어 주식회사 A building drum of green tire

Also Published As

Publication number Publication date
JPH0130618B2 (en) 1989-06-21

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