(19)
(11)
EP 0 074 955 A1
(12)
(43)
Date of publication:
30.03.1983
Bulletin 1983/13
(21)
Application number:
82900574.0
(22)
Date of filing:
18.02.1982
(51)
International Patent Classification (IPC):
B23K
11/
14
( . )
E06B
3/
82
( . )
E06B
3/
70
( . )
E06B
5/
16
( . )
(86)
International application number:
PCT/SE1982/000049
(87)
International publication number:
WO 1982/003244
(
30.09.1982
Gazette 1982/23)
(84)
Designated Contracting States:
DE FR
(30)
Priority:
18.03.1981
SE 19810001711
(71)
Applicant:
NYKROPPAVERKEN AB
S-680 90 Nykroppa (SE)
(72)
Inventors:
GRIMSKOG, Sture
S-161 33 Bromma (SE)
BERGLUND, Bernt Elof
S-695 00 Laxa (SE)
(54)
DOOR, PREFERABLY FIREPROOF DOOR