Pneumatic tire and method of manufacturing the same
US-9211685-B2 · Dec 15, 2015 · US
Pneumatic Tire Production Method
US2017190129A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2017190129-A1 |
| Application number | US-201515301933-A |
| Country | US |
| Kind code | A1 |
| Filing date | Apr 3, 2015 |
| Priority date | Apr 4, 2014 |
| Publication date | Jul 6, 2017 |
| Grant date | — |
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Abstract
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In a pneumatic tire production method including a step of overlapping end portions of a sheet laminate and vulcanization-molding the tire, the sheet laminate being obtained by layering an elastomer layer and a sheet of a thermoplastic resin composition containing a thermoplastic resin or a blend of a thermoplastic resin and an elastomer, after the end portions of the sheet laminate are overlapped, the overlapped portion of the sheet laminate is compression-bonded at a temperature of not less than a glass transition temperature Tg of the thermoplastic resin and not greater than 120° C.
First claim
Opening claim text (preview).
1 . A pneumatic tire production method including a step of overlapping end portions of a sheet laminate and vulcanization-molding the tire, the sheet laminate being obtained by layering an elastomer layer and a sheet of a thermoplastic resin composition containing a thermoplastic resin or a blend of a thermoplastic resin and an elastomer, comprising the step of: after the end portions of the sheet laminate are overlapped, compression-bonding the end portions of the sheet laminate at a temperature of not less than a glass transition temperature Tg of the thermoplastic resin and not greater than 120° C. 2 . The pneumatic tire production method according to claim 1 , wherein the step of compression bonding is performed at a pressure of not less than 0.1 MPa and not greater than 1 MPa by pressing a fiber-reinforced rubber bladder, a resin die, or a metal die onto the overlapped portion from a direction perpendicular to a plane of the overlapped portion. 3 . The pneumatic tire production method according to claim 1 , wherein the step of compression bonding is performed at least at a position between a left and right bead filler top. 4 . The pneumatic tire production method according to claim 1 , wherein the step of compression bonding is performed with the overlapped portion disposed on a heating plate. 5 . The pneumatic tire production method according to claim 1 , wherein the step of compression bonding is performed after overlapping the end portions of the sheet laminate obtained by layering an elastomer layer and a sheet of a thermoplastic resin composition containing a thermoplastic resin or a blend of a thermoplastic resin and an elastomer, and before adhering a carcass layer. 6 . The pneumatic tire production method according to claim 1 , wherein the sheet of a thermoplastic resin composition containing a thermoplastic resin or a blend of a thermoplastic resin and an elastomer contains at least nylon. 7 . A pneumatic tire produced by the pneumatic tire production method described in claim 1 . 8 . The pneumatic tire production method according to claim 2 , wherein the step of compression bonding is performed at least at a position between a left and right bead filler top. 9 . The pneumatic tire production method according to claim 8 , wherein the step of compression bonding is performed with the overlapped portion disposed on a heating plate. 10 . The pneumatic tire production method according to claim 9 , wherein the step of compression bonding is performed after overlapping the sheet laminate obtained by layering an elastomer layer and a sheet of a thermoplastic resin composition containing a thermoplastic resin or a blend of a thermoplastic resin and an elastomer, and before adhering a carcass layer. 11 . The pneumatic tire production method according to claim 10 , wherein the sheet of a thermoplastic resin composition containing a thermoplastic resin or a blend of a thermoplastic resin and an elastomer contains at least nylon. 12 . A pneumatic tire produced by the pneumatic tire production method described in claim 11 .
Assignees
Inventors
Classifications
- B29D30/0681Primary
Parts of pneumatic tyres; accessories, auxiliary operations · CPC title
Inner liners · CPC title
Endless textile bands without bead-rings · CPC title
Joining by overlapping · CPC title
with impervious liner or coating on the inner wall of the tyre · CPC title
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- What does patent US2017190129A1 cover?
- In a pneumatic tire production method including a step of overlapping end portions of a sheet laminate and vulcanization-molding the tire, the sheet laminate being obtained by layering an elastomer layer and a sheet of a thermoplastic resin composition containing a thermoplastic resin or a blend of a thermoplastic resin and an elastomer, after the end portions of the sheet laminate are overlapp…
- Who is the assignee on this patent?
- Yokohama Rubber Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification B29D30/0681. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Thu Jul 06 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).