EP 0309945 A3 19900530 - DEVICE FOR APPLYING A DESCALING AGENT TO THE INNER SURFACE OF A LOOP

Title (en)

DEVICE FOR APPLYING A DESCALING AGENT TO THE INNER SURFACE OF A LOOP

Publication

EP 0309945 A3 19900530 (DE)

Application

EP 88115722 A 19880923

Priority

CH 377787 A 19870929

Abstract (en)

[origin: EP0309945A2] The invention relates to a device for applying a descaling agent to the inner surface of a red-hot hollow blank in the production of seamless tubes.

IPC 1-7

B21B 45/04; C23G 3/04; B08B 9/02; B24C 3/32

IPC 8 full level

B21B 45/08 (2006.01); B05C 7/08 (2006.01); B05D 7/22 (2006.01); B08B 9/02 (2006.01); B21B 23/00 (2006.01); B21B 45/04 (2006.01); B21C 43/00 (2006.01); B24C 3/32 (2006.01); C23G 3/04 (2006.01)

CPC (source: EP US)

B21B 45/04 (2013.01 - EP US); B24C 3/327 (2013.01 - EP US); C23G 3/04 (2013.01 - EP US)

Citation (search report)

[XP] EP 0250881 A1 19880107 - LONZA AG [CH]
[X] DE 1206677 B 19651209 - KLEAN KOTE INC
[X] US 4055025 A 19771025 - SEESE RAY BRUCE, et al
[Y] US 3137974 A 19640623 - KIRKLAND WYATT S
[A] EP 0172366 A1 19860226 - LONZA AG [CH]
[AD] EP 0133937 A1 19850313 - LONZA AG [CH]
[A] US 3139711 A 19640707 - SODERBERG JR CARL RICHARD
[A] GB 1012442 A 19651208 - KLEAN KOTE INC
[A] DE 3235506 A1 19840329 - MARUBENI CONSTR MACH [JP], et al
[A] FR 2483265 A1 19811204 - NIHON PLANT SERVICE CENTER LTD [JP]

Designated contracting state (EPC)

AT CH DE ES FR GB IT LI SE

DOCDB simple family (publication)

EP 0309945 A2 19890405; EP 0309945 A3 19900530; EP 0309945 B1 19920520; AT E76335 T1 19920615; CA 1314793 C 19930323; CH 674164 A5 19900515; CN 1020073 C 19930317; CN 1032422 A 19890419; CS 274438 B2 19910411; CS 648088 A2 19900814; DE 3871309 D1 19920625; ES 2031564 T3 19921216; JP 2737168 B2 19980408; JP H01107917 A 19890425; MX 170721 B 19930909; SU 1620043 A3 19910107; US 5102468 A 19920407; YU 178488 A 19931020

DOCDB simple family (application)

EP 88115722 A 19880923; AT 88115722 T 19880923; CA 577433 A 19880915; CH 377787 A 19870929; CN 88106768 A 19880914; CS 648088 A 19880929; DE 3871309 T 19880923; ES 88115722 T 19880923; JP 24220688 A 19880927; MX 1318488 A 19880928; SU 4356492 A 19880921; US 69699691 A 19910503; YU 178488 A 19880922