Patent · US Expired

Method and device for chill molding

US6422295B1 · kind B1 · utility

2Cited by

3References

17Claims

0Family size

Assignee

VOLVO LASTVAGNAR AB · SE

Inventors

Bengt-åke Larsson · Skövde, SE
Bertil Sander
Roland Carlsson · Lund, SE
Sven-Erik Dahlberg · Skövde, SE

Key dates

Filing date	May 3, 2001
Grant date	Jul 23, 2002
Priority date	—
Expiry date	May 3, 2021

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB22C21/00
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Method and device for casting cast iron including a metal chill mold (100) having outer walls (206, 208, 210) and inner walls (212, 213, 220). The inner walls are in contact with a mold (300). The device further includes pressurizing means (400) for applying a variable pressure on the outer walls (206, 208, 210) of the chill mold, in order to control changes in volume of molten material enclosed by the chill mold, and chill mold cooling means (500) for variable cooling of the inner walls (212, 213, 220) of said chill mold.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.