Global Patent Index - EP 0091176 B1

EP 0091176 B1 19860910 - A METHOD OF EXTRUDING MATERIAL, AND EXTRUDER FOR CARRYING OUT SAID METHOD

Title (en)

A METHOD OF EXTRUDING MATERIAL, AND EXTRUDER FOR CARRYING OUT SAID METHOD

Publication

EP 0091176 B1 19860910 (EN)

Application

EP 83200488 A 19830406

Priority

NL 8201466 A 19820406

Abstract (en)

[origin: EP0091176A1] A method of and apparatus for extruding material, such as aluminium. The material (4) to be extruded is supplied in commercial sizes, reduced to a pre-determined length to form a billet (7, 7 min , 7 sec ), which is placed in a heating container (3), in which a ram (2) is operative to press the material present in the container (3) through a die (9) provided with at least one extrusion orifice to form extruded mouldings (10). The mouldings (10) are discharged by means of a discharge device (11). According to the invention the weight per unit length of the extruded moulding (10) is determined at least once during the extrusion of each billet (7, 7 min , 7 sec ).

IPC 1-7

B21C 31/00; B21C 23/04

IPC 8 full level

B21C 23/04 (2006.01); B21C 31/00 (2006.01)

CPC (source: EP)

B21C 23/04 (2013.01); B21C 31/00 (2013.01); B21C 33/006 (2013.01)

Designated contracting state (EPC)

CH DE FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0091176 A1 19831012; EP 0091176 B1 19860910; EP 0091176 B2 19900912; DE 3365978 D1 19861016; NL 8201466 A 19831101

DOCDB simple family (application)

EP 83200488 A 19830406; DE 3365978 T 19830406; NL 8201466 A 19820406