JPS491469A - - Google Patents

Info

Publication number
JPS491469A
JPS491469A JP4076872A JP4076872A JPS491469A JP S491469 A JPS491469 A JP S491469A JP 4076872 A JP4076872 A JP 4076872A JP 4076872 A JP4076872 A JP 4076872A JP S491469 A JPS491469 A JP S491469A
Authority
JP
Japan
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
JP4076872A
Other languages
Japanese (ja)
Other versions
JPS5141865B2 (enrdf_load_stackoverflow
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 filed Critical
Priority to JP47040768A priority Critical patent/JPS5141865B2/ja
Publication of JPS491469A publication Critical patent/JPS491469A/ja
Publication of JPS5141865B2 publication Critical patent/JPS5141865B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Extrusion Of Metal (AREA)
  • Metal Extraction Processes (AREA)
JP47040768A 1972-04-22 1972-04-22 Expired JPS5141865B2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP47040768A JPS5141865B2 (enrdf_load_stackoverflow) 1972-04-22 1972-04-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47040768A JPS5141865B2 (enrdf_load_stackoverflow) 1972-04-22 1972-04-22

Publications (2)

Publication Number Publication Date
JPS491469A true JPS491469A (enrdf_load_stackoverflow) 1974-01-08
JPS5141865B2 JPS5141865B2 (enrdf_load_stackoverflow) 1976-11-12

Family

ID=12589794

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47040768A Expired JPS5141865B2 (enrdf_load_stackoverflow) 1972-04-22 1972-04-22

Country Status (1)

Country Link
JP (1) JPS5141865B2 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2801459A1 (de) * 1977-01-18 1978-07-27 Hitachi Ltd Vorrichtung zum herstellen von waermeuebertragungsrohren
JPS53137855A (en) * 1977-05-07 1978-12-01 Mitsui Keikinzoku Kako Production of hollw material having spiral convex rail
JPS5516762A (en) * 1978-07-21 1980-02-05 Mitsubishi Alum Co Ltd Extrusion of material

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017131895A (ja) * 2014-06-04 2017-08-03 眞 村田 管材製造装置、管材製造方法、および、管材

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3267712A (en) * 1963-12-18 1966-08-23 Purpose Extruded Aluminum Inc Apparatus for forming spiraled extrusions

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3267712A (en) * 1963-12-18 1966-08-23 Purpose Extruded Aluminum Inc Apparatus for forming spiraled extrusions

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2801459A1 (de) * 1977-01-18 1978-07-27 Hitachi Ltd Vorrichtung zum herstellen von waermeuebertragungsrohren
DE2801459B2 (de) * 1977-01-18 1981-09-24 Hitachi, Ltd., Tokyo Rohrstrangpresse zum Herstellen von Wärmetauscherrohren
DE2801459C3 (de) * 1977-01-18 1982-04-29 Hitachi, Ltd., Tokyo Rohrstrangpresse zum Herstellen von Wärmetauscherrohren
JPS53137855A (en) * 1977-05-07 1978-12-01 Mitsui Keikinzoku Kako Production of hollw material having spiral convex rail
JPS5516762A (en) * 1978-07-21 1980-02-05 Mitsubishi Alum Co Ltd Extrusion of material

Also Published As

Publication number Publication date
JPS5141865B2 (enrdf_load_stackoverflow) 1976-11-12

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