Global Patent Index - EP 0053510 B1

EP 0053510 B1 19850522 - EXTRUSION METHOD

Title (en)

EXTRUSION METHOD

Publication

EP 0053510 B1 19850522 (EN)

Application

EP 81305652 A 19811130

Priority

JP 16991880 A 19801129

Abstract (en)

[origin: EP0053510A2] A method and apparatus for hot lubricated metal extrusion in which a billet is extruded into a solid or tubular form by means of a die and/or a mandrel with an organic lubricant interposed within a container, the method comprising feeding a combustion improver or a mixture of a combustion improver and water to the surface of the extruded product to burn off the carbide of the lubricant deposited on the surface of the extruded product.

IPC 1-7

B21C 43/00; B21C 23/32

IPC 8 full level

B21C 23/08 (2006.01); B21C 23/00 (2006.01); B21C 23/32 (2006.01); B21C 43/00 (2006.01)

CPC (source: EP)

B21C 23/007 (2013.01); B21C 23/32 (2013.01); B21C 43/00 (2013.01)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0053510 A2 19820609; EP 0053510 A3 19820714; EP 0053510 B1 19850522; CA 1191480 A 19850806; DE 3170645 D1 19850627; JP S5791822 A 19820608; JP S6144563 B2 19861003

DOCDB simple family (application)

EP 81305652 A 19811130; CA 390886 A 19811125; DE 3170645 T 19811130; JP 16991880 A 19801129