Method of manufacturing pneumatic tire, shaping device and pneumatic tire

US2016332402A1 · US · A1

Patent metadata
FieldValue
Publication numberUS-2016332402-A1
Application numberUS-201615149627-A
CountryUS
Kind codeA1
Filing dateMay 9, 2016
Priority dateMay 11, 2015
Publication dateNov 17, 2016
Grant date

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A method of manufacturing a pneumatic tire including forming a green case by cylindrically winding a tire component member which includes at least one layer of a carcass ply. A green tire is shaped by expanding the green case into a toroidal shape with the supply of a fluid into the green case so that the green case adheres to a tread ring arranged radially outside the green case. The green tire is subjected to vulcanization molding within a mold die. During the shaping of the green tire, the fluid is supplied in accordance with a pressure profile which changes in a stepwise manner. The pressure profile is set such that a former stage expansion rate in a former stage is set to slower than a final stage expansion rate in a final stage.

First claim

Opening claim text (preview).

What is claimed is: 1 . A method of manufacturing a pneumatic tire including: forming a green case by cylindrically winding a tire component member which includes at least one layer of a carcass ply; shaping a green tire by expanding the green case into a toroidal shape with the supply of a fluid into the green case so that the green case adheres to a tread ring arranged radially outside the green case; and subjecting the green tire to vulcanization molding within a mold die…

Assignees

Inventors

Classifications

  • Operations & Transport · mapped topic

  • B29D30/20Primary

    Operations & Transport · mapped topic

  • B29D30/36Primary

    Operations & Transport · mapped topic

  • Operations & Transport · mapped topic

  • Operations & Transport · mapped topic

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What does patent US2016332402A1 cover?
A method of manufacturing a pneumatic tire including forming a green case by cylindrically winding a tire component member which includes at least one layer of a carcass ply. A green tire is shaped by expanding the green case into a toroidal shape with the supply of a fluid into the green case so that the green case adheres to a tread ring arranged radially outside the green case. The green tir…
Who is the assignee on this patent?
Toyo Tire & Rubber Co
What technology area does this patent fall under?
Primary CPC classification B29D30/20. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Thu Nov 17 2016 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 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).