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EP0371960A3 - Method of and device for bending bar-shaped materials - Google Patents

Method of and device for bending bar-shaped materials

Info

Publication number
EP0371960A3
EP0371960A3 EP19900100974 EP90100974A EP0371960A3 EP 0371960 A3 EP0371960 A3 EP 0371960A3 EP 19900100974 EP19900100974 EP 19900100974 EP 90100974 A EP90100974 A EP 90100974A EP 0371960 A3 EP0371960 A3 EP 0371960A3
Authority
EP
Grant status
Application
Patent type
Prior art keywords
method
device
bending
bar
shaped
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.)
Granted
Application number
EP19900100974
Other versions
EP0371960A2 (en )
EP0371960B1 (en )
Inventor
Helmut Zahlaus
Original Assignee
Ruhl, Heinz
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
Family has litigation

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/10Bending specially adapted to produce specific articles, e.g. leaf springs
    • B21D11/12Bending specially adapted to produce specific articles, e.g. leaf springs the articles being reinforcements for concrete
EP19900100974 1983-04-06 1987-03-16 Method for bending bar-shaped materials Expired - Lifetime EP0371960B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US839688 1986-03-14
US06839688 US4702097A (en) 1983-04-06 1986-03-14 Process for the bending of rod-like materials
DE19863644482 DE3644482A1 (en) 1986-12-24 1986-12-24 Device for editing of rod material
DE3644482 1986-12-24

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP87103810.5 Division 1987-03-16

Publications (3)

Publication Number Publication Date
EP0371960A2 true EP0371960A2 (en) 1990-06-06
EP0371960A3 true true EP0371960A3 (en) 1990-06-20
EP0371960B1 EP0371960B1 (en) 1993-10-06

Family

ID=25850880

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19900100974 Expired - Lifetime EP0371960B1 (en) 1983-04-06 1987-03-16 Method for bending bar-shaped materials
EP19870103810 Revoked EP0238026B1 (en) 1983-04-06 1987-03-16 Method of and device for bending bar-shaped materials

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19870103810 Revoked EP0238026B1 (en) 1983-04-06 1987-03-16 Method of and device for bending bar-shaped materials

Country Status (1)

Country Link
EP (2) EP0371960B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3919607C2 (en) * 1989-06-15 1994-05-05 Heinz Ruhl Apparatus for bending rod-shaped material
EP0502341A1 (en) * 1991-02-28 1992-09-09 M.E.P. Macchine Elettroniche Piegatrici S.p.A. Assembly to bend bundles of rods
EP0537496A1 (en) * 1991-10-15 1993-04-21 M.E.P. Macchine Elettroniche Piegatrici S.p.A. Method to make bends in the trailing ends of bars for building work in bending-shaping machines, and bending-shaping machines for bars for building work which employ such method
US7610788B2 (en) 2005-11-15 2009-11-03 Antonios Anagnostopoulos Machine and method for preventing torsion of wire, material of prismatic cross-section, and rod material
CN103658450A (en) * 2013-11-12 2014-03-26 梁明光 Automatic clamping mechanism of steel bar bending machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1752716A1 (en) * 1968-07-05 1971-07-15 Ernst Stegmann A method for automatic bending of wire and strip material and machine for performing the method
DE2164026A1 (en) * 1970-12-23 1972-07-13
US4161110A (en) * 1977-04-28 1979-07-17 EVG Entwicklungs- und Verwertungs-Gesellschaft mbH. Automatic control device for a bending machine
EP0032656A2 (en) * 1980-01-16 1981-07-29 EVG Entwicklungs- u. Verwertungs- Gesellschaft m.b.H. Installation for manufacturing stirrups of different shapes and sizes, particularly of concrete-reinforcing stirrups
EP0121896A2 (en) * 1983-04-06 1984-10-17 Ruhl, Heinz Method of and device for bending bar-shaped materials

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3206673A1 (en) 1982-02-25 1983-09-01 Helmut Zahlaus Device for cutting bar-shaped materials to size

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1752716A1 (en) * 1968-07-05 1971-07-15 Ernst Stegmann A method for automatic bending of wire and strip material and machine for performing the method
DE2164026A1 (en) * 1970-12-23 1972-07-13
US4161110A (en) * 1977-04-28 1979-07-17 EVG Entwicklungs- und Verwertungs-Gesellschaft mbH. Automatic control device for a bending machine
EP0032656A2 (en) * 1980-01-16 1981-07-29 EVG Entwicklungs- u. Verwertungs- Gesellschaft m.b.H. Installation for manufacturing stirrups of different shapes and sizes, particularly of concrete-reinforcing stirrups
EP0121896A2 (en) * 1983-04-06 1984-10-17 Ruhl, Heinz Method of and device for bending bar-shaped materials

Also Published As

Publication number Publication date Type
EP0371960A2 (en) 1990-06-06 application
EP0238026B1 (en) 1991-06-26 grant
EP0371960B1 (en) 1993-10-06 grant
EP0238026A1 (en) 1987-09-23 application

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