Global Patent Index - EP 0142082 A3

EP 0142082 A3 19850821 - METHOD AND APPARATUS FOR GALVANIZING RIBBED TUBES

Title (en)

METHOD AND APPARATUS FOR GALVANIZING RIBBED TUBES

Publication

EP 0142082 A3 19850821 (DE)

Application

EP 84112869 A 19841025

Priority

DE 3340813 A 19831111

Abstract (en)

[origin: EP0142082A2] 1. Apparatus for galvanising ribbed tubes, the apparatus having components which are arranged in line, one behind the other, at one treatment level, which are connected by an automatically operating conveyor device with horizontal and vertical support, guide and driving rolls, or, in the preheating area, with a conveyor chain device and which comprises a feed facility (1), a degreasing facility (2) with a blow-off device for the degreasing medium, a washing facility (3) with a blow-off device for the washing medium, a dipping facility (4) with a blow-off device for the dipping medium, a washing facility (5) with a blow-off device for the washing medium a preheating furnace (6), a galvanising furnace (7) with a protective atmosphere, a blow-off device (13) or a device for removing excess zinc, as well as a cooling and drying facility (8) with nozzles supplied with water and air and, if necessary, a chromating facility (9) with a blow-off device for the chromating medium, wherein the galvanising furnace (7) for receiving an alloy of molten zinc has a melting area (18), a galvanising pan (12) arranged over the melting area, a zinc charging area (20), wherein the molten zinc can be pumped from the melting area (18) into the galvanising pan (12) which has an overflow, and wherein the melting area (18) and the zinc charging area (20) are separated by a partition extending downwards into the zinc.

IPC 1-7

C23C 2/38

IPC 8 full level

C23C 2/00 (2006.01); B08B 3/02 (2006.01); C23C 2/38 (2006.01); C23C 22/73 (2006.01)

CPC (source: EP)

B08B 3/022 (2013.01); C23C 2/385 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0142082 A2 19850522; EP 0142082 A3 19850821; EP 0142082 B1 19890531; AT E43646 T1 19890615; AU 2779089 A 19890427; AU 3529884 A 19850516; BR 8405749 A 19850917; DD 231085 A1 19851218; DE 3409935 C1 19850418; DE 3478474 D1 19890706; ES 537521 A0 19851216; ES 8605865 A1 19851216; GR 80858 B 19850227; IN 163652 B 19881022; JP S60169568 A 19850903; YU 146186 A 19880630; YU 187484 A 19880430; ZA 848756 B 19850731

DOCDB simple family (application)

EP 84112869 A 19841025; AT 84112869 T 19841025; AU 2779089 A 19890106; AU 3529884 A 19841109; BR 8405749 A 19841109; DD 26922384 A 19841107; DE 3409935 A 19840317; DE 3478474 T 19841025; ES 537521 A 19841108; GR 840180858 A 19841106; IN 774CA1984 A 19841107; JP 23537884 A 19841109; YU 146186 A 19860820; YU 187484 A 19841107; ZA 848756 A 19841109