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Process and apparatus for vulcanization and moulding of vehicles tyres

A tire and molding technology, applied in tires, applications, household appliances, etc., can solve problems such as cost reduction, and achieve the effects of high precision, good quality, and simplified processing

Inactive Publication Date: 2010-03-31
PIRELLI TYRE SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] In addition, the applicant has noted the problem of reducing the cost of manufacturing the aforementioned decorative and / or ornamental graphics

Method used

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  • Process and apparatus for vulcanization and moulding of vehicles tyres
  • Process and apparatus for vulcanization and moulding of vehicles tyres
  • Process and apparatus for vulcanization and moulding of vehicles tyres

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0129] According to one embodiment, the pictorial marks 15 can also be produced by machining with a milling machine.

[0130] In order to perform the vulcanization and molding process on the tire 2, the pre-machined and pre-assembled annular core 13 (i.e. with the selected pictorial marks and auxiliary cores) is installed in the corresponding annular groove of the mold 1 12 in. Either the annular core 13 is selected as a suitable thickness, or the corresponding annular groove 12 is selected as a suitable depth.

[0131] The green tire 2 enclosed in the mold 1 is pressed against the containing wall and heated.

[0132] After completing the vulcanization operation, the mold is opened to take out the vulcanized tire 2 and put the subsequent tire to be vulcanized.

[0133] If it is necessary to make different decorative patterns and / or characters on the sidewall 7 of the follow-up tire 2, then as long as the new annular core 13 with different pictorial marks and / or auxiliary cor...

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Abstract

The present invention refers to an apparatus and process for moulding and vulcanization of vehicle tyres. The apparatus for moulding and vulcanization of vehicle tyres comprises a mould (1) for forming a moulding cavity (3) having a conformation corresponding to the outside conformation to be given to the vulcanized tyre and comprising a pair of shells (4) axially opposed and each having a working surface (5). The working surface (5) has an annular development and is predisposed to operate on the beads (6) and on the sidewalls (7) of a raw tyre (2) to be vulcanized. The working surface (5) ofat least one of the shells (4) also has an annular groove (12) developing along its own annular development. A annular insert (13) is removably mounted in the annular groove (12) and has a moulding face (14) opposite the moulding cavity (3) whose moulding face (14) bears graphic marks (15) to imprint on the sidewall (7) of the tyre (2).

Description

technical field [0001] The present invention relates to apparatus and methods for performing molding and curing operations on tyres. [0002] Preferably, the object of the present invention is to provide an apparatus and method for performing molding and vulcanization of tires for vehicle wheels. Background technique [0003] A tire for a vehicle wheel generally includes a carcass structure comprising at least one carcass ply having opposing end flaps engaged with respective annular anchoring structures, the annular anchoring structures Contained within the area commonly called the "bead", the inner diameter of the bead corresponds roughly to the so-called "fitting diameter" of the tire mounted on the corresponding rim. [0004] A belt structure consisting of one or more belt layers is connected to the carcass structure, said belt layers are laminated to each other in the radial direction, and are laminated to the carcass ply, and the belt layers are of fabric or metal per...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29D30/06B29D30/72B29C35/02
CPCB29D30/72B29D2030/0617B29D30/0606B29D2030/726
Inventor M·赛基R·伯尔佐尼
Owner PIRELLI TYRE SPA