Patent · US Expired

Device to deburr molded parts subject to low-temperature brittleness

US4918876A · kind A · utility

2Cited by

4References

7Claims

0Family size

Assignee

Messer Griesheim GmbH · DE

Inventors

Sabine Donath · Oberhausen, DE
Peter Grund · Berlin, DE
Peter Holz · Linnich, DE
Udo Jakobs · Krefeld, DE
Wolfgang Volker · Tönisvorst, DE

Key dates

Filing date	Mar 13, 1989
Grant date	Apr 24, 1990
Priority date	—
Expiry date	Mar 13, 2009

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB24C1/083
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

Molded parts are deburred by being cooled down and treated with an abrasive. The parts are cooled down and circulated by a conveying gas which circulates in a circulation chamber, while the parts are treated with an abrasive introduced into the circulation chamber.

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