Global Patent Index - EP 0476467 B1

EP 0476467 B1 19941207 - Method for manufacturing bright round steel bars.

Title (en)

Method for manufacturing bright round steel bars.

Title (de)

Verfahren zur Herstellung von blankem Rundstahl.

Title (fr)

Procédé pour la fabrication de barres d'acier rondes claires.

Publication

EP 0476467 B1 19941207 (DE)

Application

EP 91115166 A 19910907

Priority

DE 4029786 A 19900920

Abstract (en)

[origin: EP0476467A2] The invention proposes a method for manufacturing bright steel, especially bright round steel bars produced from hot-rolled steel, according to which the round steel bars are rounded to narrow tolerances in a sizing mill from the rolling heat, the oxide layer on the round steel bars is largely removed and the round steel bars are then subjected to a straightening and polishing process.

IPC 1-7

B21B 1/16; B21B 45/04; B21D 3/04; B24C 3/14

IPC 8 full level

B21B 1/16 (2006.01); B21B 37/16 (2006.01); B21B 45/04 (2006.01); B21D 3/04 (2006.01); B24B 27/033 (2006.01); B24C 3/14 (2006.01)

CPC (source: EP US)

B21B 1/16 (2013.01 - EP US); B21B 45/04 (2013.01 - EP US); Y10T 29/4522 (2015.01 - EP US); Y10T 29/455 (2015.01 - EP US); Y10T 29/49986 (2015.01 - EP US); Y10T 29/49991 (2015.01 - EP US)

Designated contracting state (EPC)

AT DE IT SE

DOCDB simple family (publication)

EP 0476467 A2 19920325; EP 0476467 A3 19930303; EP 0476467 B1 19941207; AT E115013 T1 19941215; DE 4029786 A1 19920326; DE 59103782 D1 19950119; JP H04244367 A 19920901; US 5355570 A 19941018

DOCDB simple family (application)

EP 91115166 A 19910907; AT 91115166 T 19910907; DE 4029786 A 19900920; DE 59103782 T 19910907; JP 23991591 A 19910919; US 4651893 A 19930412