Title:
METHOD OF REFORMING TIRE MOLD MADE OF ALUMINUM ALLOY
Document Type and Number:
Japanese Patent JP2004315952
Kind Code:
A
Abstract:
To provide a method of directly reforming a mold made of an aluminum alloy for improving its wear resistance.
A tire mold consisting of an Al-Si based alloy is subjected to first heat treatment in which the mold is held in the temperature range of 500 to 560°C for 2 to 10 hr and is rapidly cooled, and is subjected to secondary heat treatment in which the mold is held at room temperature for ≥3 hr, then held in the temperature range of 120 to 200°C for 1 to 10 hr and subsequently is cooled.
Inventors:
Yano, Masashi
Application Number:
JP2003000115456
Publication Date:
November 11, 2004
Filing Date:
April 21, 2003
Export Citation:
Assignee:
BRIDGESTONE CORP
International Classes:
C22F1/057; C22F1/00; C22F1/043; C22F1/047; C22F1/057; C22F1/00; C22F1/043; C22F1/047; (IPC1-7): C22F1/057; C22F1/043; C22F1/047