YU46710B - PROCEDURE FOR OBTAINING COPPER OR COPPER ALLOY PIPES WHICH HAVE A LAYER OF COPPER OXIDE ON THE INSIDE - Google Patents

PROCEDURE FOR OBTAINING COPPER OR COPPER ALLOY PIPES WHICH HAVE A LAYER OF COPPER OXIDE ON THE INSIDE

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Publication number
YU46710B
YU46710B YU46990A YU46990A YU46710B YU 46710 B YU46710 B YU 46710B YU 46990 A YU46990 A YU 46990A YU 46990 A YU46990 A YU 46990A YU 46710 B YU46710 B YU 46710B
Authority
YU
Yugoslavia
Prior art keywords
copper
volume
obtaining
procedure
layer
Prior art date
Application number
YU46990A
Other languages
Serbo-Croatian (sh)
Other versions
YU46990A (en
Inventor
A. Baukloh
U. Reiter
C. Triquet
Original Assignee
Km-Kabelmetal 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
Priority claimed from DE3827353A external-priority patent/DE3827353A1/en
Application filed by Km-Kabelmetal Ag. filed Critical Km-Kabelmetal Ag.
Priority to YU46990A priority Critical patent/YU46710B/en
Publication of YU46990A publication Critical patent/YU46990A/en
Publication of YU46710B publication Critical patent/YU46710B/en

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Abstract

POSTUPAK ZA DOBIJANJE CEVI OD BAKRA ILI BAKARNIH LEGURA KOJE SA UNUTRAŠNJE STRANE IMAJU SLOJ BAKARNOG OKSIDA, naznačen time, što se cevi odmašćuju pomoću rastvarača, žare u opsegu temperatura od oko 600 do do 730 C, pri brzini prolaza od 50 do 220m/min, pri čemu se u zavisnosti od prečnika cevi i brzine protočnog žarenja u unutrašnjosti cevi podešava atmosfera žarenja koa se sastoji od 1 do 25 zapr.%, poželjno od 5 do 15 zapr.% kiseonika i od 75 do 99 zapr.%, poželjno od oko 85 do 95 zapr.% inertnog gasa. Prijava sadrži još 1 patentni zahtev.PROCESS FOR OBTAINING COPPER OR COPPER ALLOY PIPES WHICH HAVE A COPPER OXIDE LAYER ON THE INSIDE, characterized in that the pipes are degreased with a solvent, annealed in the temperature range from about 600 to 730 C, at a passing speed of 50 to 50 min wherein, depending on the diameter of the tube and the flow annealing speed, an annealing atmosphere is adjusted inside the tube which consists of 1 to 25% by volume, preferably 5 to 15% by volume of oxygen and 75 to 99% by volume, preferably of approx. 85 to 95% by volume of inert gas. The application contains 1 more patent application.

YU46990A 1988-08-12 1990-03-08 PROCEDURE FOR OBTAINING COPPER OR COPPER ALLOY PIPES WHICH HAVE A LAYER OF COPPER OXIDE ON THE INSIDE YU46710B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
YU46990A YU46710B (en) 1988-08-12 1990-03-08 PROCEDURE FOR OBTAINING COPPER OR COPPER ALLOY PIPES WHICH HAVE A LAYER OF COPPER OXIDE ON THE INSIDE

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3827353A DE3827353A1 (en) 1988-08-12 1988-08-12 INTERNAL OXIDIZED TUBES
YU118689A YU46649B (en) 1988-08-12 1989-06-08 PIPES OF COPPER OR COPPER ALLOYS WHICH HAVE A LAYER OF COPPER OXIDE ON THE INSIDE
YU46990A YU46710B (en) 1988-08-12 1990-03-08 PROCEDURE FOR OBTAINING COPPER OR COPPER ALLOY PIPES WHICH HAVE A LAYER OF COPPER OXIDE ON THE INSIDE

Publications (2)

Publication Number Publication Date
YU46990A YU46990A (en) 1991-10-31
YU46710B true YU46710B (en) 1994-04-05

Family

ID=27198087

Family Applications (1)

Application Number Title Priority Date Filing Date
YU46990A YU46710B (en) 1988-08-12 1990-03-08 PROCEDURE FOR OBTAINING COPPER OR COPPER ALLOY PIPES WHICH HAVE A LAYER OF COPPER OXIDE ON THE INSIDE

Country Status (1)

Country Link
YU (1) YU46710B (en)

Also Published As

Publication number Publication date
YU46990A (en) 1991-10-31

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