Patent · US Expired

Apparatus for producing pressings provided with channels from powdery moulding compound, especially ceramic molding compound(short title: honeycomb)

US5039296A · kind A · utility

1Cited by

4References

20Claims

0Family size

Assignee

Hutschenreuther AG & Eugen Buhler · DE

Inventors

Eugen Buhler · Thannhausen, DE
Klaus Strobel · Selb, DE
Karl Schwarzmeier · Selb, DE

Key dates

Filing date	Apr 27, 1989
Grant date	Aug 13, 1991
Priority date	—
Expiry date	Apr 27, 2009

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB28B7/183
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Apparatus for producing press-molded articles having a plurality of cavities therein includes a mold cavity which can be filled with a particulate molding compound, which mold cavity contains rods sheathed with expandable tubes which can be expanded by means of a fluid under pressure conveyed into the space between the rods and the tubes: this causes compaction of the molding compound to form the pressed article, which can be removed from the mold after reduction of the fluid pressure to allow detumescence of the expandable tubes and withdrawal of these from the mold cavity so that the mold cavity can be opened to remove the shaped pressed article.

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