JPH0159480B2 - - Google Patents

Info

Publication number
JPH0159480B2
JPH0159480B2 JP11964982A JP11964982A JPH0159480B2 JP H0159480 B2 JPH0159480 B2 JP H0159480B2 JP 11964982 A JP11964982 A JP 11964982A JP 11964982 A JP11964982 A JP 11964982A JP H0159480 B2 JPH0159480 B2 JP H0159480B2
Authority
JP
Japan
Prior art keywords
roller
bent
shape
cover
center line
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
JP11964982A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5913188A (ja
Inventor
Shuji Iwamoto
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP11964982A priority Critical patent/JPS5913188A/ja
Publication of JPS5913188A publication Critical patent/JPS5913188A/ja
Publication of JPH0159480B2 publication Critical patent/JPH0159480B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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)
  • General Engineering & Computer Science (AREA)
  • Thermal Insulation (AREA)
JP11964982A 1982-07-09 1982-07-09 カバ−用薄板製曲管およびその製造方法 Granted JPS5913188A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11964982A JPS5913188A (ja) 1982-07-09 1982-07-09 カバ−用薄板製曲管およびその製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11964982A JPS5913188A (ja) 1982-07-09 1982-07-09 カバ−用薄板製曲管およびその製造方法

Publications (2)

Publication Number Publication Date
JPS5913188A JPS5913188A (ja) 1984-01-23
JPH0159480B2 true JPH0159480B2 (en]) 1989-12-18

Family

ID=14766667

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11964982A Granted JPS5913188A (ja) 1982-07-09 1982-07-09 カバ−用薄板製曲管およびその製造方法

Country Status (1)

Country Link
JP (1) JPS5913188A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY159453A (en) * 2008-05-22 2017-01-13 Jinwoong Tech Co Ltd Manufacturing apparatus and method of spiral duct including elbow
JP7379412B2 (ja) * 2021-04-22 2023-11-14 明星工業株式会社 板金製外装材及び板金製外装材の施工方法

Also Published As

Publication number Publication date
JPS5913188A (ja) 1984-01-23

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