Method of Fabricating Pneumatic Tire

• US 20090032173A1
• Filed: 07/28/2008
• Published: 02/05/2009
• Est. Priority Date: 08/01/2007
• Status: Active Grant

• Current Assignee: TOYO Tire & Rubber Company Limited
• Original Assignee: TOYO Tire & Rubber Company Limited
• Inventors: Nakamura, Norihiko
• Granted Patent: US 8,821,664 B2
• Time in Patent Office: Days
• US Class Current: 156/110.100
• CPC Class Codes: B29C 37/0025 Applying surface layers, e.g. coatings, decorative layers, printed layers, to articles during shaping, e.g. in-mould printing moulding on preformed layers as inserts B29C70/68; applying fluent material to surfaces in general B05
• CPC Class Codes: B29C 37/0053 Moulding articles characterised by the shape of the surface, e.g. ribs, high polish mould construction therefor B29C33/42; surface shaping of articles B29C59/00; by incorporating filler in or near the surface B29C70/64
• CPC Class Codes: B29D 2030/726 Decorating or marking the sidewalls before tyre vulcanization protecting, decorating, marking tyre sidewalls B60C13/00
• CPC Class Codes: B29D 30/0662 Accessories, details or auxiliary operations
• CPC Class Codes: B60C 13/00 Tyre sidewalls; Protecting, decorating, marking, or the like, thereof B60C17/08 takes precedence; tyre shoulders B60C11/01; removable tyre sidewall trim rings B60B7/01

Abstract

A pneumatic tire provided with a resin film at an outer surface of the tire side portion to be able to be exfoliated therefrom by pasting a smooth resin film having a melting point equal to or higher than 23° C., a Young'"'"'s modulus equal to or larger than 2.5 GPa and a thickness of 10 through 150 μm to an outer surface of a side portion of an unvulcanized tire and vulcanizing and molding the unvulcanized tire in a state of pasting the resin film.

Claims

1. A method of fabricating a pneumatic tire, comprising pasting a smooth resin film having a melting point equal to or higher than 230°

C., a Young'"'"'s modulus equal to or larger than 2.5 GPa and a thickness of 10 through 150 μ

m to an outer surface of a side portion of an unvulcanized tire, and vulcanizing and molding the unvulcanized tire in the state of pasting the resin film, whereby the resin film is provided to the outer surface of the tire side portion to be able to be exfoliated therefrom.

2. The method of fabricating a pneumatic tire according to claim 1, wherein an arithmetic average surface roughness (Ra) of the resin film is equal to or smaller than 0.1 μ

m.

3. The method of fabricating a pneumatic tire according to claim 1, wherein the resin film is a polyester resin film.

4. The method of fabricating a pneumatic tire according to claim 1, wherein the resin film is provided in a ring-like shape over an entire periphery in a tire peripheral direction.

5. The method of fabricating a pneumatic tire according to claim 1, wherein the resin film is provided in a ring-like shape over an entire periphery in a tire peripheral direction in substantially a total in a height direction of the tire side portion.