JPH0225690B2 - - Google Patents

Info

Publication number
JPH0225690B2
JPH0225690B2 JP56116918A JP11691881A JPH0225690B2 JP H0225690 B2 JPH0225690 B2 JP H0225690B2 JP 56116918 A JP56116918 A JP 56116918A JP 11691881 A JP11691881 A JP 11691881A JP H0225690 B2 JPH0225690 B2 JP H0225690B2
Authority
JP
Japan
Prior art keywords
tube
heat
end surface
face
resistant carbide
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 - Lifetime
Application number
JP56116918A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5816743A (ja
Inventor
Seiji Tsukatani
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.)
NIPPON JUKI KOGYO KK
Original Assignee
NIPPON JUKI KOGYO 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 NIPPON JUKI KOGYO KK filed Critical NIPPON JUKI KOGYO KK
Priority to JP11691881A priority Critical patent/JPS5816743A/ja
Publication of JPS5816743A publication Critical patent/JPS5816743A/ja
Publication of JPH0225690B2 publication Critical patent/JPH0225690B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/04—Reducing; Closing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
JP11691881A 1981-07-24 1981-07-24 管材の端面形成方法 Granted JPS5816743A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11691881A JPS5816743A (ja) 1981-07-24 1981-07-24 管材の端面形成方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11691881A JPS5816743A (ja) 1981-07-24 1981-07-24 管材の端面形成方法

Publications (2)

Publication Number Publication Date
JPS5816743A JPS5816743A (ja) 1983-01-31
JPH0225690B2 true JPH0225690B2 (cs) 1990-06-05

Family

ID=14698879

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11691881A Granted JPS5816743A (ja) 1981-07-24 1981-07-24 管材の端面形成方法

Country Status (1)

Country Link
JP (1) JPS5816743A (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63303635A (ja) * 1987-06-04 1988-12-12 Hiromi Kataoka 異径端部を具えた軽合金パイプ並びにその製造法
CN103381455A (zh) * 2013-07-05 2013-11-06 江苏久维压力容器制造有限公司 一种用于压力气瓶瓶嘴收口的封闭机
CN103381449A (zh) * 2013-07-05 2013-11-06 江苏久维压力容器制造有限公司 一种气瓶筒体固定旋转的夹爪组件
CN103381456A (zh) * 2013-07-05 2013-11-06 江苏久维压力容器制造有限公司 一种压力气瓶瓶底整体熔融封闭机
CN104942375B (zh) * 2015-06-30 2017-12-15 浙江创立汽车空调有限公司 一种汽车空调管件加工用缩口机

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS551933A (en) * 1978-06-20 1980-01-09 Shigeru Kodama Manufacture of metallic pipe or the like with closed end

Also Published As

Publication number Publication date
JPS5816743A (ja) 1983-01-31

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