Global Patent Index - EP 0467074 A3

EP 0467074 A3 19920729 - APPARATUS AND PROCESS FOR MAKING BRICKS

Title (en)

APPARATUS AND PROCESS FOR MAKING BRICKS

Publication

EP 0467074 A3 19920729 (DE)

Application

EP 91109802 A 19910614

Priority

DE 4023007 A 19900719

Abstract (en)

[origin: EP0467074A2] In a process for making a brick which has a holding aid in the form of a recess on at least one side, raw material is extruded in an extrusion operation through an opening of a die and is formed into a continuous body. The recess, serving as a holding aid, in the continuous body is formed by the continuous body being extruded with an intermittently varied contour. A corresponding apparatus has a die with an opening through which raw material can be extruded and formed into a continuous body. An apparatus for forming the recess comprises a device for changing the cross-section of the opening of the die, in which arrangement at least one blade-like diaphragm can be moved for changing the cross-section through which the continuous body is extruded and can be made to overlap the latter. With the apparatus, instead of producing a holding aid, the motion of the continuous column can also be regulated so as to be of limited duration. <IMAGE>

IPC 1-7

B28B 3/26

IPC 8 full level

B28B 3/26 (2006.01)

CPC (source: EP)

B28B 3/26 (2013.01); B28B 3/2681 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0467074 A2 19920122; EP 0467074 A3 19920729; DE 4023007 A1 19920123

DOCDB simple family (application)

EP 91109802 A 19910614; DE 4023007 A 19900719