Title (en)

TREATMENT DEVICE FOR PICKLING AND PHOSPHATING WIRE OR WIRE PARTS AND TREATMENT PLANT FOR COATING THE WIRE OR THE WIRE PARTS

Title (de)

BEHANDLUNGSVORRICHTUNG ZUM BEIZEN UND PHOSPHATIEREN VON DRAHT ODER DRAHTTEILEN SOWIE BEHANDLUNGSANLAGE ZUM BESCHICHTEN DES DRAHTS ODER DER DRAHTTEILE

Title (fr)

DISPOSITIF DE TRAITEMENT POUR LE DÉCAPAGE ET LA PHOSPHATATION D'UN FIL MÉTALLIQUE OU DE PARTIES DE FIL MÉTALLIQUE ET INSTALLATION DE TRAITEMENT POUR LE REVÊTEMENT DU FIL MÉTALLIQUE OU DES PARTIES DE FIL MÉTALLIQUE

Publication

EP 3371341 A1 20180912 (DE)

Application

EP 16797484 A 20161107

Priority

• DE 102015014304 A 20151105
• EP 2016076873 W 20161107

Abstract (en)

[origin: WO2017077124A1] The invention relates to a treatment device (1) for treating a metal object (2) to be treated, wherein the object (2) to be treated is a wire or a wire part, wherein the treatment comprises at least the pickling and the phosphating of the object (2) to be treated, wherein, by means of the phosphating, a protective layer is produced on the surface of the object (2) to be treated, wherein the treatment device (1) comprises at least the following apparatuses: a treatment container (4) for holding the object (2) to be treated and for holding a flowable treatment substance (6), a pumping apparatus (10) for circulating at least a portion of the treatment substance (6), wherein the treatment substance (6) flows around at least part of the object (2) to be treated, in particular the entire object (2) to be treated, wherein the treatment substance (6) is a phosphorus- or phosphate-containing solution, in particular phosphoric acid, wherein the phosphorus- or phosphate-containing solution consists of water, in particular deionized water, and of a reaction substance, and the reaction substance consists of phosphorus or of a phosphate and of at least one additional substance that improves the treatment effect, in particular one or more inhibitors, wherein the fraction of the phosphorus or the phosphate in the reaction substance is more than 98 vol% and especially preferably more than 99 vol%, wherein the reaction substance preferably has no fractions of hydrochloric acid and sulfuric acid and preferably also no fractions of fluorine, chlorine, bromine, iodine, lead, mercury, and selenium and wherein the reaction substance is mixed with water at a specified ratio, wherein the specified ratio lies between a lower limit and an upper limit, wherein the lower limit is defined by a mixture at a ratio of 1 kg of reaction substance to 2 liters of water and the upper limit is defined by a mixture of 1 kg of reaction substance to 12 liters of water, and in particular the mixture has a ratio of 1 kg of reaction substance to 6 liters of water.

IPC 8 full level

C23C 22/00 (2006.01); C23C 22/08 (2006.01); C23G 1/00 (2006.01); C23G 1/06 (2006.01); C23G 3/00 (2006.01)

CPC (source: EP KR US)

C23C 22/00 (2013.01 - EP US); C23C 22/07 (2013.01 - KR); C23C 22/08 (2013.01 - EP US); C23C 22/62 (2013.01 - US); C23C 22/83 (2013.01 - US); C23G 1/00 (2013.01 - EP US); C23G 1/06 (2013.01 - EP KR US); C23G 3/00 (2013.01 - EP US); C23G 3/025 (2013.01 - KR); C23G 3/027 (2013.01 - KR)

Citation (search report)

See references of WO 2017077124A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2017077124 A1 20170511; CN 108368611 A 20180803; CN 108368611 B 20201229; DE 102015014304 A1 20170511; EP 3371341 A1 20180912; EP 3371341 B1 20191030; EP 3640368 A1 20200422; HK 1257948 A1 20191101; KR 20180080714 A 20180712; US 2018327910 A1 20181115; ZA 201802509 B 20190130

DOCDB simple family (application)

EP 2016076873 W 20161107; CN 201680064772 A 20161107; DE 102015014304 A 20151105; EP 16797484 A 20161107; EP 19205240 A 20161107; HK 19100310 A 20190109; KR 20187015201 A 20161107; US 201615774125 A 20161107; ZA 201802509 A 20180416