JPS6422509A - Tire having black internal surface - Google Patents
Tire having black internal surfaceInfo
- Publication number
- JPS6422509A JPS6422509A JP17812387A JP17812387A JPS6422509A JP S6422509 A JPS6422509 A JP S6422509A JP 17812387 A JP17812387 A JP 17812387A JP 17812387 A JP17812387 A JP 17812387A JP S6422509 A JPS6422509 A JP S6422509A
- Authority
- JP
- Japan
- Prior art keywords
- tire
- internal surface
- defect
- releasing agent
- mold
- 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.)
- Pending
Links
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
PURPOSE:To obtain a tire having a black internal surface, on which frosting white spots pattern does not substantially exist on the internal surface of the tire, by a method wherein internal surface mold releasing agent, containing black dye, is applied on the inner surface of the tire and the tire is vulcanized and molded. CONSTITUTION:Black dye is dispersed into the mold releasing agent of dimethylpolysiloxane or the like, thereafter, inorganic grains, such as the powder of mica, talc or the like, are blended thereinto and coated on the internal surface of a green tire or the like by spraying or the like. After the coating is dried, a bladder is inserted into the tire to vulcanize and mold it in a mold. In order to improve the dispersing property, an interface activating agent and polyethylene grycohol are blended into the solution of the internal surface mold releasing agent. The black dye is blended into the mold releasing agent, therefore, the mottle of color will never be generated even when there is variability in the distribution of the adhering amount of non-volatile content. According to this method, any defect will never be masked since the condition of the surface of the defect is different from the ambient surface of the defect by the defect whereby the discovery of the defect is facilitated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17812387A JPS6422509A (en) | 1987-07-16 | 1987-07-16 | Tire having black internal surface |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17812387A JPS6422509A (en) | 1987-07-16 | 1987-07-16 | Tire having black internal surface |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6422509A true JPS6422509A (en) | 1989-01-25 |
Family
ID=16043056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17812387A Pending JPS6422509A (en) | 1987-07-16 | 1987-07-16 | Tire having black internal surface |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6422509A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007116983A1 (en) * | 2006-04-04 | 2007-10-18 | The Yokohama Rubber Co., Ltd. | Pneumatic tire having light shielding layer on surface |
WO2007129680A1 (en) * | 2006-05-01 | 2007-11-15 | The Yokohama Rubber Co., Ltd. | Pneumatic tire having flexible protective release layer |
JP2008241057A (en) * | 2007-03-26 | 2008-10-09 | Mitsubishi Electric Corp | Finned tube heat exchanger, and heat exchanger unit and air conditioner using the same |
JP2008279659A (en) * | 2007-05-10 | 2008-11-20 | Bridgestone Corp | Blackening agent, mold release agent for tire inner surface, method of manufacture thereof, method of manufacturing tire, and tire |
-
1987
- 1987-07-16 JP JP17812387A patent/JPS6422509A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007116983A1 (en) * | 2006-04-04 | 2007-10-18 | The Yokohama Rubber Co., Ltd. | Pneumatic tire having light shielding layer on surface |
WO2007129680A1 (en) * | 2006-05-01 | 2007-11-15 | The Yokohama Rubber Co., Ltd. | Pneumatic tire having flexible protective release layer |
JP2008241057A (en) * | 2007-03-26 | 2008-10-09 | Mitsubishi Electric Corp | Finned tube heat exchanger, and heat exchanger unit and air conditioner using the same |
JP2008279659A (en) * | 2007-05-10 | 2008-11-20 | Bridgestone Corp | Blackening agent, mold release agent for tire inner surface, method of manufacture thereof, method of manufacturing tire, and tire |
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