JPS5311132A - Process for blackening pipe - Google Patents

Process for blackening pipe

Info

Publication number
JPS5311132A
JPS5311132A JP8506876A JP8506876A JPS5311132A JP S5311132 A JPS5311132 A JP S5311132A JP 8506876 A JP8506876 A JP 8506876A JP 8506876 A JP8506876 A JP 8506876A JP S5311132 A JPS5311132 A JP S5311132A
Authority
JP
Japan
Prior art keywords
blackening
pipe
blackening pipe
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.)
Granted
Application number
JP8506876A
Other languages
Japanese (ja)
Other versions
JPS565315B2 (en
Inventor
Nobumasa Shigemoto
Youichi Kawai
Toshio Hiruma
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.)
Proterial Ltd
Original Assignee
Hitachi Metals Ltd
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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to JP8506876A priority Critical patent/JPS5311132A/en
Publication of JPS5311132A publication Critical patent/JPS5311132A/en
Publication of JPS565315B2 publication Critical patent/JPS565315B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Chemical Treatment Of Metals (AREA)
  • Resistance Heating (AREA)
JP8506876A 1976-07-19 1976-07-19 Process for blackening pipe Granted JPS5311132A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8506876A JPS5311132A (en) 1976-07-19 1976-07-19 Process for blackening pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8506876A JPS5311132A (en) 1976-07-19 1976-07-19 Process for blackening pipe

Publications (2)

Publication Number Publication Date
JPS5311132A true JPS5311132A (en) 1978-02-01
JPS565315B2 JPS565315B2 (en) 1981-02-04

Family

ID=13848301

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8506876A Granted JPS5311132A (en) 1976-07-19 1976-07-19 Process for blackening pipe

Country Status (1)

Country Link
JP (1) JPS5311132A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5456949A (en) * 1977-09-26 1979-05-08 Rca Corp Blackening of surface of steel metal product
JPS5655573A (en) * 1979-10-12 1981-05-16 Nippon Steel Corp Method and apparatus for forming oxide film rapidly on surface of tool
JPS5942226U (en) * 1982-09-13 1984-03-19 ミサワホ−ム株式会社 Lower edge structure of mortar wall

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5936107U (en) * 1982-08-30 1984-03-07 日本電気ホームエレクトロニクス株式会社 Reflective shade mounting device for lighting equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US437532A (en) * 1890-09-30 Drag-saw
JPS494140A (en) * 1972-05-02 1974-01-14
JPS5132443A (en) * 1974-09-13 1976-03-19 Yuasa Battery Co Ltd SUTENRESUKONOHYOMENSHORIHO

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US437532A (en) * 1890-09-30 Drag-saw
JPS494140A (en) * 1972-05-02 1974-01-14
JPS5132443A (en) * 1974-09-13 1976-03-19 Yuasa Battery Co Ltd SUTENRESUKONOHYOMENSHORIHO

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5456949A (en) * 1977-09-26 1979-05-08 Rca Corp Blackening of surface of steel metal product
JPS5639713B2 (en) * 1977-09-26 1981-09-16
JPS5655573A (en) * 1979-10-12 1981-05-16 Nippon Steel Corp Method and apparatus for forming oxide film rapidly on surface of tool
JPS5942226U (en) * 1982-09-13 1984-03-19 ミサワホ−ム株式会社 Lower edge structure of mortar wall

Also Published As

Publication number Publication date
JPS565315B2 (en) 1981-02-04

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