JPS6350595B2 - - Google Patents

Info

Publication number
JPS6350595B2
JPS6350595B2 JP60047277A JP4727785A JPS6350595B2 JP S6350595 B2 JPS6350595 B2 JP S6350595B2 JP 60047277 A JP60047277 A JP 60047277A JP 4727785 A JP4727785 A JP 4727785A JP S6350595 B2 JPS6350595 B2 JP S6350595B2
Authority
JP
Japan
Prior art keywords
band
metal plate
seam
shaped metal
wide
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
Application number
JP60047277A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61206894A (ja
Inventor
Kenji Nakajima
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.)
DAKUTO SANGYO KK
Original Assignee
DAKUTO SANGYO KK
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 DAKUTO SANGYO KK filed Critical DAKUTO SANGYO KK
Priority to JP4727785A priority Critical patent/JPS61206894A/ja
Priority to US06/906,575 priority patent/US4704885A/en
Publication of JPS61206894A publication Critical patent/JPS61206894A/ja
Publication of JPS6350595B2 publication Critical patent/JPS6350595B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/12—Making tubes or metal hoses with helically arranged seams
    • B21C37/124—Making tubes or metal hoses with helically arranged seams the tubes having a special shape, e.g. with corrugated wall, flexible tubes
    • B21C37/125—Making tubes or metal hoses with helically arranged seams the tubes having a special shape, e.g. with corrugated wall, flexible tubes curved section, e.g. elbow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
    • B21C37/286—Making tube fittings for connecting pipes, e.g. U-pieces starting from sheet material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Duct Arrangements (AREA)
JP4727785A 1985-03-08 1985-03-08 ダクト用湾曲継手管 Granted JPS61206894A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP4727785A JPS61206894A (ja) 1985-03-08 1985-03-08 ダクト用湾曲継手管
US06/906,575 US4704885A (en) 1985-03-08 1986-09-09 Apparatus for making connecting pipes for connecting ducts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4727785A JPS61206894A (ja) 1985-03-08 1985-03-08 ダクト用湾曲継手管

Publications (2)

Publication Number Publication Date
JPS61206894A JPS61206894A (ja) 1986-09-13
JPS6350595B2 true JPS6350595B2 (ko) 1988-10-11

Family

ID=12770790

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4727785A Granted JPS61206894A (ja) 1985-03-08 1985-03-08 ダクト用湾曲継手管

Country Status (1)

Country Link
JP (1) JPS61206894A (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5323868B2 (ja) * 2011-02-08 2013-10-23 株式会社新富士空調 曲管製造装置および曲管製造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5927478A (ja) * 1982-08-04 1984-02-13 Japan Storage Battery Co Ltd 密閉式ニツケルカドミウム電池

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5927478A (ja) * 1982-08-04 1984-02-13 Japan Storage Battery Co Ltd 密閉式ニツケルカドミウム電池

Also Published As

Publication number Publication date
JPS61206894A (ja) 1986-09-13

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