Patent · US Expired

Rising pipe for light metal melts

US5947180A · kind A · utility

1Cited by

2References

6Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Johannes Seyer · Hessisch Oldendorf, DE
Bernhard Freudenberg · Coburg, DE

Key dates

Filing date	Sep 18, 1997
Grant date	Sep 7, 1999
Priority date	—
Expiry date	Sep 18, 2017

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB22D41/505
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

In a low pressure die casting apparatus, the properties of the rising pipe of sintered ceramic material for light metal melts is improved by a covering of heat-resistant material surrounding the upper part of the rising pipe.

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