JPS55165227A - Manufacture of curved shape - Google Patents

Manufacture of curved shape

Info

Publication number
JPS55165227A
JPS55165227A JP7176279A JP7176279A JPS55165227A JP S55165227 A JPS55165227 A JP S55165227A JP 7176279 A JP7176279 A JP 7176279A JP 7176279 A JP7176279 A JP 7176279A JP S55165227 A JPS55165227 A JP S55165227A
Authority
JP
Japan
Prior art keywords
extruded
shapes
extruded shapes
fitting
coupled
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
JP7176279A
Other languages
Japanese (ja)
Other versions
JPS571330B2 (en
Inventor
Shigeru Kinoshita
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.)
Sankyo Aluminium Industry Co Ltd
Original Assignee
Sankyo Aluminium Industry Co 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 Sankyo Aluminium Industry Co Ltd filed Critical Sankyo Aluminium Industry Co Ltd
Priority to JP7176279A priority Critical patent/JPS55165227A/en
Publication of JPS55165227A publication Critical patent/JPS55165227A/en
Publication of JPS571330B2 publication Critical patent/JPS571330B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

PURPOSE: To carry out the bending work to manufacture the extruded hollow shape of wide breadth without suffering from undesirable deformation, by placing the extruded shapes under the coupled condition, and by simultaneously applying the bending work to all shapes utilizing the slip at each fitting joint.
CONSTITUTION: The extruded hollow shape A, possessing L-type section and breadth l, is divided into six extruded shapes 2W7, in which the dovetail grooves 8W12 and the dovetail projections 13W17 are prepared in order to mutually undetachably couple by fitting each other. Then these extruded shapes 2W7 are mutually coupled by fitting each other. Each of extruded shapes 2, 3, 4, 5, respectively possesses the concentrically curved center lines Y1, Y2, Y3, Y4, and each extruded shape coherently moves slipping at respective fitting joint; hereby, all the extruded shapes are simultaneously curved. Hereupon, the degree of elongation and shrinkage at inside and outside of the curved center lines Y1WY4 of each of extruded shapes 2W5 is very small as compared with the conventional degree, so that the deformation and distortion of each of extruded shapes 2W5 hardly generate, and the whole coupled body A of extruded shapes is provided with good appearance.
COPYRIGHT: (C)1980,JPO&Japio
JP7176279A 1979-06-07 1979-06-07 Manufacture of curved shape Granted JPS55165227A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7176279A JPS55165227A (en) 1979-06-07 1979-06-07 Manufacture of curved shape

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7176279A JPS55165227A (en) 1979-06-07 1979-06-07 Manufacture of curved shape

Publications (2)

Publication Number Publication Date
JPS55165227A true JPS55165227A (en) 1980-12-23
JPS571330B2 JPS571330B2 (en) 1982-01-11

Family

ID=13469869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7176279A Granted JPS55165227A (en) 1979-06-07 1979-06-07 Manufacture of curved shape

Country Status (1)

Country Link
JP (1) JPS55165227A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61168771U (en) * 1985-04-09 1986-10-20
JPH08281763A (en) * 1995-04-17 1996-10-29 Hashimoto Forming Ind Co Ltd Composite long material and production thereof
WO2010096018A1 (en) 2009-02-19 2010-08-26 Kian Youg Heng Method for twisting hollow bars
JP2012071345A (en) * 2010-08-31 2012-04-12 Sankyo Tateyama Aluminium Inc Shaped member and opening unit
JP2015508364A (en) * 2011-12-22 2015-03-19 ジーティーイー ビー．ブイ． Method for forming a tubular structural element

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0129387Y2 (en) * 1984-10-30 1989-09-07
JPS62125209A (en) * 1985-11-26 1987-06-06 Matsushita Electric Ind Co Ltd Combustion device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61168771U (en) * 1985-04-09 1986-10-20
JPH08281763A (en) * 1995-04-17 1996-10-29 Hashimoto Forming Ind Co Ltd Composite long material and production thereof
WO2010096018A1 (en) 2009-02-19 2010-08-26 Kian Youg Heng Method for twisting hollow bars
CN102333602A (en) * 2009-02-19 2012-01-25 杨亨健 Method for twisting hollow bars
JP2012517902A (en) * 2009-02-19 2012-08-09 キアン ヨン ヘン Method for twisting hollow bars
US8782898B2 (en) 2009-02-19 2014-07-22 Kian Yong Heng Method for twisting hollow bars
KR101493818B1 (en) * 2009-02-19 2015-02-17 키안 용 헹 Method for twisting hollow bars
JP2012071345A (en) * 2010-08-31 2012-04-12 Sankyo Tateyama Aluminium Inc Shaped member and opening unit
JP2015508364A (en) * 2011-12-22 2015-03-19 ジーティーイー ビー．ブイ． Method for forming a tubular structural element

Also Published As

Publication number Publication date
JPS571330B2 (en) 1982-01-11

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