EP0121896A3 - Method of and device for bending bar-shaped materials - Google Patents

Method of and device for bending bar-shaped materials Download PDF

Info

Publication number
EP0121896A3
EP0121896A3 EP84103662A EP84103662A EP0121896A3 EP 0121896 A3 EP0121896 A3 EP 0121896A3 EP 84103662 A EP84103662 A EP 84103662A EP 84103662 A EP84103662 A EP 84103662A EP 0121896 A3 EP0121896 A3 EP 0121896A3
Authority
EP
European Patent Office
Prior art keywords
bending
shaped materials
bending bar
carriages
reproduceably
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
EP84103662A
Other languages
German (de)
Other versions
EP0121896A2 (en
EP0121896B2 (en
EP0121896B1 (en
Inventor
Helmut Zahlaus
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.)
Ruhl Heinz
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6195607&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0121896(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to AT84103662T priority Critical patent/ATE30861T1/en
Publication of EP0121896A2 publication Critical patent/EP0121896A2/en
Publication of EP0121896A3 publication Critical patent/EP0121896A3/en
Application granted granted Critical
Publication of EP0121896B1 publication Critical patent/EP0121896B1/en
Publication of EP0121896B2 publication Critical patent/EP0121896B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B21D11/00—Bending 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
    • B21D11/10—Bending specially adapted to produce specific articles, e.g. leaf springs
    • B21D11/12—Bending specially adapted to produce specific articles, e.g. leaf springs the articles being reinforcements for concrete
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S72/00—Metal deforming
    • Y10S72/702—Overbending to compensate for springback

Abstract

In order to form materials (18) in a cold state automatically and reproduceably a bending machine (10) is proposed, comprising at least two bending carriages (14, 16), which interact with the material so that one of the bending carriages (14 or 16) constantly holds the material (18) immoveable when the other bending carriage (16 or 14) is bending the material (12) or is being moved along it.
EP84103662A 1983-04-06 1984-04-04 Method of and device for bending bar-shaped materials Expired - Lifetime EP0121896B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84103662T ATE30861T1 (en) 1983-04-06 1984-04-04 METHOD AND DEVICE FOR BENDING ROD-SHAPED MATERIALS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3312397 1983-04-06
DE19833312397 DE3312397A1 (en) 1983-04-06 1983-04-06 METHOD AND DEVICE FOR BENDING ROD-SHAPED MATERIALS

Publications (4)

Publication Number Publication Date
EP0121896A2 EP0121896A2 (en) 1984-10-17
EP0121896A3 true EP0121896A3 (en) 1985-01-23
EP0121896B1 EP0121896B1 (en) 1987-11-19
EP0121896B2 EP0121896B2 (en) 1991-12-18

Family

ID=6195607

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84103662A Expired - Lifetime EP0121896B2 (en) 1983-04-06 1984-04-04 Method of and device for bending bar-shaped materials

Country Status (4)

Country Link
US (1) US4702097A (en)
EP (1) EP0121896B2 (en)
AT (1) ATE30861T1 (en)
DE (2) DE3312397A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0179820A4 (en) * 1984-04-30 1988-06-23 Howard Bruce Apparatus for fabricating concrete reinforcing stirrups and the welding thereof with rods to form a concrete reinforcing cage.
EP0238026B1 (en) 1986-03-14 1991-06-26 Ruhl, Heinz Method of and device for bending bar-shaped materials
DE3903301A1 (en) * 1988-03-25 1989-10-05 Frank Ebert METHOD AND DEVICE FOR BENDING PREFERABLY ROD-SHAPED MATERIAL
DE3919607C2 (en) * 1989-06-15 1994-05-05 Heinz Ruhl Device for bending rod-shaped material
FR2657546B1 (en) * 1990-01-26 1992-05-22 Eaton Leonard Picot Sa TWO-HEAD BENDING TUBE BENDING MACHINE.
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
AT401360B (en) * 1993-05-07 1996-08-26 Progress Ag BENDING SYSTEM FOR BARS
JP3685526B2 (en) * 1995-07-14 2005-08-17 臼井国際産業株式会社 Pipe bending machine
US5927132A (en) * 1998-04-30 1999-07-27 Schnell Spa Method of bending bars
FR2900078B1 (en) * 2006-04-24 2008-06-13 Numalliance Soc Par Actions Si WIRE BENDING MACHINE COMBINING A SEQUENTIAL STITCHING DEVICE AND A DEVICE USING A TOOLING PLATE
JP4626623B2 (en) * 2007-03-12 2011-02-09 トヨタ自動車株式会社 Edgewise bending method and processing apparatus for flat rectangular material
CN112720033B (en) * 2020-12-29 2022-04-12 新昌县三特自动化科技有限公司 Full-automatic turning production line of miniature bearing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3481177A (en) * 1967-09-29 1969-12-02 Lear Siegler Inc Wire bending assembly
DE1752716A1 (en) * 1968-07-05 1971-07-15 Ernst Stegmann Process for machine bending of wire and strip material and machine for carrying out the process
US3805576A (en) * 1972-08-18 1974-04-23 Cyril Bath Co High speed multi-bending machine
DE1552970B2 (en) * 1965-04-24 1977-01-13 MACHINE FOR BENDING STENCILS, REINFORCEMENT IRON OR DGL.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1546147A (en) * 1924-04-25 1925-07-14 Frederick A C Skinner Pipe-bending machine
US1769570A (en) * 1927-12-28 1930-07-01 Hudson Motor Car Co Apparatus for shaping sheet metal
US3568300A (en) * 1968-07-02 1971-03-09 Zidell Explorations Inc Method and apparatus for forming ship hulls
US3803893A (en) * 1971-08-17 1974-04-16 P Peddinghaus Process for multiple bending of rods and a bending machine for carrying out this process
GB1463522A (en) * 1974-09-11 1977-02-02 Russel Bowen Systems Ltd Bending machines
AT338071B (en) * 1974-12-16 1977-07-25 Evg Entwicklung Verwert Ges BENDING MACHINE FOR ROD-SHAPED MATERIAL, IN PARTICULAR FOR CONCRETE REINFORCEMENT ROD
IT1137724B (en) * 1981-07-10 1986-09-10 Mec Montorfano Di Montorfano V BENDING UNIT FOR METAL PIPES AND WIRES AND START-UP PROCEDURE OF THE UNIT
DE3206673A1 (en) 1982-02-25 1983-09-01 Helmut 6230 Kriftel Zahlaus Device for cutting bar-shaped materials to size

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1552970B2 (en) * 1965-04-24 1977-01-13 MACHINE FOR BENDING STENCILS, REINFORCEMENT IRON OR DGL.
US3481177A (en) * 1967-09-29 1969-12-02 Lear Siegler Inc Wire bending assembly
DE1752716A1 (en) * 1968-07-05 1971-07-15 Ernst Stegmann Process for machine bending of wire and strip material and machine for carrying out the process
US3805576A (en) * 1972-08-18 1974-04-23 Cyril Bath Co High speed multi-bending machine

Also Published As

Publication number Publication date
EP0121896A2 (en) 1984-10-17
EP0121896B2 (en) 1991-12-18
DE3312397A1 (en) 1984-10-11
EP0121896B1 (en) 1987-11-19
DE3467519D1 (en) 1987-12-23
US4702097A (en) 1987-10-27
ATE30861T1 (en) 1987-12-15

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