JPS638859B2 - - Google Patents

Info

Publication number
JPS638859B2
JPS638859B2 JP54118750A JP11875079A JPS638859B2 JP S638859 B2 JPS638859 B2 JP S638859B2 JP 54118750 A JP54118750 A JP 54118750A JP 11875079 A JP11875079 A JP 11875079A JP S638859 B2 JPS638859 B2 JP S638859B2
Authority
JP
Japan
Prior art keywords
tapered
groove
tube
material tube
cutting
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
JP54118750A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5645229A (en
Inventor
Kunyoshi Nakamura
Kyomi Maruyama
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 JP11875079A priority Critical patent/JPS5645229A/ja
Publication of JPS5645229A publication Critical patent/JPS5645229A/ja
Publication of JPS638859B2 publication Critical patent/JPS638859B2/ja
Granted legal-status Critical Current

Links

JP11875079A 1979-09-18 1979-09-18 Forming method for taper pipe provided with plural longitudinal groove at inner surface of pipe end Granted JPS5645229A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11875079A JPS5645229A (en) 1979-09-18 1979-09-18 Forming method for taper pipe provided with plural longitudinal groove at inner surface of pipe end

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11875079A JPS5645229A (en) 1979-09-18 1979-09-18 Forming method for taper pipe provided with plural longitudinal groove at inner surface of pipe end

Publications (2)

Publication Number Publication Date
JPS5645229A JPS5645229A (en) 1981-04-24
JPS638859B2 true JPS638859B2 (zh) 1988-02-24

Family

ID=14744119

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11875079A Granted JPS5645229A (en) 1979-09-18 1979-09-18 Forming method for taper pipe provided with plural longitudinal groove at inner surface of pipe end

Country Status (1)

Country Link
JP (1) JPS5645229A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020151755A (ja) * 2019-03-20 2020-09-24 武蔵精密工業株式会社 中空シャフト

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01170535A (ja) * 1987-12-25 1989-07-05 Fuji Valve Co Ltd 中空プランジャの半球形端部の成形方法
JP6442121B2 (ja) * 2014-10-23 2018-12-19 有限会社新光工業 杭（くい）の製造方法
JP6815348B2 (ja) 2018-03-28 2021-01-20 本田技研工業株式会社 自動二輪車のサイドスタンドおよびサイドスタンドの製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50133962A (zh) * 1974-04-13 1975-10-23
JPS52130466A (en) * 1976-04-27 1977-11-01 Kobe Steel Ltd Device for forming vertical groove on wall of pipe
JPS5439353A (en) * 1977-09-02 1979-03-26 Hitachi Cable Ltd Method of producting metal pipe with groove or projection on inner surface

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50133962A (zh) * 1974-04-13 1975-10-23
JPS52130466A (en) * 1976-04-27 1977-11-01 Kobe Steel Ltd Device for forming vertical groove on wall of pipe
JPS5439353A (en) * 1977-09-02 1979-03-26 Hitachi Cable Ltd Method of producting metal pipe with groove or projection on inner surface

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020151755A (ja) * 2019-03-20 2020-09-24 武蔵精密工業株式会社 中空シャフト
WO2020189763A1 (ja) * 2019-03-20 2020-09-24 武蔵精密工業株式会社 中空シャフト
US12083571B2 (en) 2019-03-20 2024-09-10 Musashi Seimitsu Industry Co., Ltd. Hollow shaft

Also Published As

Publication number Publication date
JPS5645229A (en) 1981-04-24

Similar Documents

Publication Publication Date Title
GB944005A (en) Metal spinning method
JPS63176010U (zh)
JPS638859B2 (zh)
JPS5636356A (en) Method of hole-enlarging forging
JPH0316206B2 (zh)
JPS555106A (en) Forming method for parts provided with internal groove
GB850058A (en) Improvements in or relating to the manufacture of gilled tubes
JPS5941808B2 (ja) 熱間押出用外キヤニング鋼片の製造法
SU718193A1 (ru) Инструмент дл волочени тонкостенных фасонных труб
KR860002085Y1 (ko) 로링다이스 제조용 캇타
JPH05228571A (ja) リングロ−リング方法
JPS5714430A (en) Manufacture of annular metallic band
SU727293A1 (ru) Способ производства тонкостенных прецизионных гильз с внутренней резьбой
KR830001707B1 (ko) 콘크리이트 형틀용 분리기의 제조방법
JPH02192813A (ja) クラッド形鋼の熱間押出方法
JPS5746647A (en) Manufacture of mold commutator
JPS5833329Y2 (ja) ゴウセイジユシセイヒラベルトプ−リ
JPS60102834A (ja) 電動機
JPS5597555A (en) Brake cylinder
JPS5668537A (en) Fabrication of threaded coupling
JPS57190751A (en) Production of cylindrical billet
JPS5680323A (en) Forming method for cylinder
JPS5540201A (en) Manufacturing method of impeller
JPS6284819A (ja) 単片型バルブスリ−ブの製造方法
JPS5314106A (en) Sizing method for sintered cylindrical body