EP0723037B1 - Verfahren zur Herstellung eines Installationsrohrs aus Kupfer - Google Patents

Verfahren zur Herstellung eines Installationsrohrs aus Kupfer Download PDF

Info

Publication number
EP0723037B1
EP0723037B1 EP96100191A EP96100191A EP0723037B1 EP 0723037 B1 EP0723037 B1 EP 0723037B1 EP 96100191 A EP96100191 A EP 96100191A EP 96100191 A EP96100191 A EP 96100191A EP 0723037 B1 EP0723037 B1 EP 0723037B1
Authority
EP
European Patent Office
Prior art keywords
copper pipe
copper
internal surface
pipe
drinking water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96100191A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0723037A1 (de
Inventor
Ulrich Dr. Reiter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KM Europa Metal AG
Original Assignee
KM Europa Metal AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KM Europa Metal AG filed Critical KM Europa Metal AG
Publication of EP0723037A1 publication Critical patent/EP0723037A1/de
Application granted granted Critical
Publication of EP0723037B1 publication Critical patent/EP0723037B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31—Coating with metals

Definitions

  • the invention relates to a method for producing a Installation pipe made of copper with a tinned inner surface.
  • the invention further relates to the preferred use of the copper pipe produced by this process as Installation pipe with reduced release of copper ions Drinking water with a pH below 6.5.
  • the invention is therefore based on the object of an installation pipe made of copper with a tin coating on the inner surface to provide, in the long term, the levy of copper ions to the drinking water below the required Limits remain.
  • An installation pipe for example consists of copper deoxidized with phosphorus and which preferably in coils of at least 500 m Length rolled up, first chemically tinned.
  • the final one Deformation tension by at least 2% on the final dimension of the installation pipe surprisingly leads to a densification of the tin layer, after coating any remaining pores are closed.

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Chemically Coating (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Metal Extraction Processes (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • ing And Chemical Polishing (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
  • Domestic Plumbing Installations (AREA)
EP96100191A 1995-01-18 1996-01-09 Verfahren zur Herstellung eines Installationsrohrs aus Kupfer Expired - Lifetime EP0723037B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19501274A DE19501274A1 (de) 1995-01-18 1995-01-18 Verfahren zur Herstellung eines Installationsrohrs aus Kupfer
DE19501274 1995-01-18

Publications (2)

Publication Number Publication Date
EP0723037A1 EP0723037A1 (de) 1996-07-24
EP0723037B1 true EP0723037B1 (de) 1999-04-07

Family

ID=7751689

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96100191A Expired - Lifetime EP0723037B1 (de) 1995-01-18 1996-01-09 Verfahren zur Herstellung eines Installationsrohrs aus Kupfer

Country Status (5)

Country Link
EP (1) EP0723037B1 (es)
AT (1) ATE178661T1 (es)
DE (2) DE19501274A1 (es)
ES (1) ES2130699T3 (es)
FI (1) FI118050B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GR1003280B (el) * 1998-01-22 1999-12-06 v 9 ��@ 0#0 6f@*t 5�*5 @*�*:*� s5 s@6*t 99#0 6* θ θs@ t s * fs@s#9f0 @* t st sfs@ Νθ@v 9 θ@6*@*s#t*υ5 f@*Ν5u 0*5 @*Ν5 ss5t*υ#6*0f@ 5 @f9* tυθ9 s*#s
EP0979688B1 (de) * 1998-07-08 2003-09-03 MKM Mansfelder Kupfer und Messing GmbH Verfahren zur Herstellung von Kupferrohren
DE19915574A1 (de) * 1999-03-30 2000-10-12 Sms Demag Ag Verfahren zur Herstellung des innen- und/oder außen verzinnten Hohlprofiles sowie innenverzinntes Kupferrohr
FI120268B (fi) * 2003-12-12 2009-08-31 Cupori Group Oy Menetelmä putken pinnoittamiseksi

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2282511A (en) * 1940-03-20 1942-05-12 American Brass Co Coating cupreous surfaces with tin

Also Published As

Publication number Publication date
FI960222A (fi) 1996-07-19
DE19501274A1 (de) 1996-07-25
EP0723037A1 (de) 1996-07-24
FI118050B (fi) 2007-06-15
ES2130699T3 (es) 1999-07-01
ATE178661T1 (de) 1999-04-15
FI960222A0 (fi) 1996-01-17
DE59601571D1 (de) 1999-05-12

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