JPS4946467B1 - - Google Patents

Info

Publication number
JPS4946467B1
JPS4946467B1 JP45061749A JP6174970A JPS4946467B1 JP S4946467 B1 JPS4946467 B1 JP S4946467B1 JP 45061749 A JP45061749 A JP 45061749A JP 6174970 A JP6174970 A JP 6174970A JP S4946467 B1 JPS4946467 B1 JP S4946467B1
Authority
JP
Japan
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.)
Pending
Application number
JP45061749A
Other languages
Japanese (ja)
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 filed Critical
Priority to JP45061749A priority Critical patent/JPS4946467B1/ja
Priority to DE2129972A priority patent/DE2129972C3/de
Priority to US161022A priority patent/US3704616A/en
Publication of JPS4946467B1 publication Critical patent/JPS4946467B1/ja
Pending 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
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die
JP45061749A 1970-07-16 1970-07-16 Pending JPS4946467B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP45061749A JPS4946467B1 (it) 1970-07-16 1970-07-16
DE2129972A DE2129972C3 (de) 1970-07-16 1971-06-16 Kaltbiegevorrichtung für Formstähle
US161022A US3704616A (en) 1970-07-16 1971-07-09 Cold-working plastic bending machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45061749A JPS4946467B1 (it) 1970-07-16 1970-07-16

Publications (1)

Publication Number Publication Date
JPS4946467B1 true JPS4946467B1 (it) 1974-12-10

Family

ID=13180111

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45061749A Pending JPS4946467B1 (it) 1970-07-16 1970-07-16

Country Status (3)

Country Link
US (1) US3704616A (it)
JP (1) JPS4946467B1 (it)
DE (1) DE2129972C3 (it)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52132577U (it) * 1976-04-02 1977-10-07
CN106180412A (zh) * 2016-08-30 2016-12-07 优德精密工业（昆山）股份有限公司 一种圆柱卡簧快速折弯治具
CN106563716A (zh) * 2016-10-19 2017-04-19 中安安轩安全产业发展有限公司 一种实现型材正反弯曲的机构

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH604945A5 (it) * 1976-01-29 1978-09-15 Haeusler Christian Ag
JPS52138470A (en) * 1976-05-14 1977-11-18 Daido Metal Co Ltd Method of fabricating ringgshaped or archy articles
FR2446140A1 (fr) * 1979-01-12 1980-08-08 Egimot Procede et dispositif de fabrication de cornieres cintrees
JPS58110144A (ja) * 1981-12-23 1983-06-30 Hitachi Ltd 大穴を持つ部品の製造方法
FR2530981A1 (fr) * 1982-07-27 1984-02-03 Mercier J Perfectionnements aux machines a rouler les profiles
US5044187A (en) * 1988-10-11 1991-09-03 King William E Metal tubing roller or crowner
CA2100530A1 (en) * 1992-09-02 1994-03-03 Michael W. Bogart Needle curving apparatus
CA2106791A1 (en) * 1992-10-09 1994-04-10 Michael W. Bogart Needle curving apparatus
US5388441A (en) * 1992-12-29 1995-02-14 United States Surgical Corporation Needle curver with automatic feed
WO2003008127A1 (en) * 2001-07-18 2003-01-30 Cml International S.P.A. A control element adapted to prevent an external-flange angle iron from being twisted during its bending
US6643930B2 (en) * 2001-08-02 2003-11-11 Robert Issagholian-Havai Method and apparatus for producing end flange member for cylindrical duct
US20080271509A1 (en) * 2007-05-01 2008-11-06 R&Y Enterprises, Llc Computer controlled flexible rolling machine
ITRM20110557A1 (it) * 2011-10-24 2013-04-25 Cml Int Spa Macchina curvatrice per curvare a elica un elemento allungato
CN103240310A (zh) * 2013-05-22 2013-08-14 南通奥特机械设备有限公司 一种数控四辊型材弯曲机
CN103521570B (zh) * 2013-11-04 2016-04-27 广西大学 棒料成型为可对焊圆环的五辊卷圆装置
DE102014205812A1 (de) * 2014-03-28 2015-10-01 Aktiebolaget Skf Wälzlager
CN105689478A (zh) * 2016-04-22 2016-06-22 兰州兰石重型装备股份有限公司 角钢圈卷圆成型工装及其使用方法
CN106166572B (zh) * 2016-08-31 2018-05-08 国汇机械制造泰州有限公司 一种弯管机
CN112547969B (zh) * 2020-11-23 2021-08-13 广西凤锦珠宝有限公司 一种空心弹力手镯成型机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1666909A (en) * 1928-04-24 Bending machine
US1804468A (en) * 1927-08-25 1931-05-12 Whitney Metal Tool Company Angle bar bending machine
US1926830A (en) * 1932-03-25 1933-09-12 Buffalo Forge Co Bending machine roll
US2093933A (en) * 1935-05-13 1937-09-21 Kelsey Hayes Wheel Co Rolling machine
US2160216A (en) * 1936-11-23 1939-05-30 Kane & Roach Inc Machine for bending angle bars

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52132577U (it) * 1976-04-02 1977-10-07
CN106180412A (zh) * 2016-08-30 2016-12-07 优德精密工业（昆山）股份有限公司 一种圆柱卡簧快速折弯治具
CN106563716A (zh) * 2016-10-19 2017-04-19 中安安轩安全产业发展有限公司 一种实现型材正反弯曲的机构

Also Published As

Publication number Publication date
US3704616A (en) 1972-12-05
DE2129972C3 (de) 1974-02-21
DE2129972A1 (de) 1972-01-20
DE2129972B2 (de) 1973-08-02

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