| (19) |
 |
|
(11) |
EP 0 211 681 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
06.06.1990 Bulletin 1990/23 |
| (43) |
Date of publication A2: |
|
25.02.1987 Bulletin 1987/09 |
| (22) |
Date of filing: 12.08.1986 |
|
|
| (84) |
Designated Contracting States: |
|
AT DE GB NL SE |
| (30) |
Priority: |
13.08.1985 JP 176817/85
|
| (71) |
Applicant: KAWASAKI STEEL CORPORATION |
|
Chuo-Ku, Kobe-Shi
Hyogo-Ken (JP) |
|
| (72) |
Inventors: |
|
- Obara, Takashi,
c/o Kawasaki Steel Corp.
Chiba City, Chiba Pref. (JP)
- Osawa, Kazunori,
c/o Kawasaki Steel Corp.
Chiba City, Chiba Pref. (JP)
- Satoh, Susumu,
c/o Kawasaki Steel Corp.
Chiba City, Chiba Pref. (JP)
- Tsunoyama, Kozou,
c/o Kawasaki Steel Corp.
Chiba City, Chiba Pref. (JP)
- Kaihara, Toshikazu,
c/o Kawasaki Steel Corp.
Chiba City, Chiba Pref. (JP)
|
| (74) |
Representative: Kosmin, Gerald Emmanuel et al |
|
HASELTINE, LAKE & CO.
Hazlitt House
28 Southampton Buildings
Chancery Lane
London, WC2A 1AT
London, WC2A 1AT (GB) |
|
| |
|
| (54) |
Continuous annealing method for deep drawable extra-low carbon steel |
(57) A method and an apparatus for continuously annealing extra-low carbon steels are
disclosed. The apparatus for practising the method comprises a heating zone, a temperature
regulating zone having a large heating capacity per unit length of steel sheet and
a good response, a rapid cooling zone and a final cooling zone.