EP0924004A3 - Verfahren und Maschine zum Formen der Kanten von gebogenen Werkstücken - Google Patents

Verfahren und Maschine zum Formen der Kanten von gebogenen Werkstücken Download PDF

Info

Publication number: EP0924004A3
Authority: EP; European Patent Office
Prior art keywords: edges; shaping; roll; machine; bent
Prior art date: 1997-12-16
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP98123722A

Other languages

English (en)

French (fr)

Other versions

EP0924004A2 (de

Inventor

Orazio Maria Davi

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.)

Promau Srl

Original Assignee

Promau Srl

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.)

1997-12-16

Filing date

1998-12-14

Publication date

2000-03-15

1998-12-14 Application filed by Promau Srl filed Critical Promau Srl

1999-06-23 Publication of EP0924004A2 publication Critical patent/EP0924004A2/de

2000-03-15 Publication of EP0924004A3 publication Critical patent/EP0924004A3/de

Status Withdrawn legal-status Critical Current

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/0822—Guiding or aligning the edges of the bent sheet
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Bending Of Plates, Rods, And Pipes (AREA)
Casting Or Compression Moulding Of Plastics Or The Like (AREA)

EP98123722A 1997-12-16 1998-12-14 Verfahren und Maschine zum Formen der Kanten von gebogenen Werkstücken Withdrawn EP0924004A3 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
ITMI972777 IT1296977B1 (it)	1997-12-16	1997-12-16	Procedimento e macchina per sagomare i bordi di pezzi calandrati
ITMI972777		1997-12-16

Publications (2)

Publication Number	Publication Date
EP0924004A2 EP0924004A2 (de)	1999-06-23
EP0924004A3 true EP0924004A3 (de)	2000-03-15

Family

ID=11378374

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP98123722A Withdrawn EP0924004A3 (de)	1997-12-16	1998-12-14	Verfahren und Maschine zum Formen der Kanten von gebogenen Werkstücken

Country Status (2)

Country	Link
EP (1)	EP0924004A3 (de)
IT (1)	IT1296977B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ITUA20163295A1 (it) *	2016-05-10	2017-11-10	Fives Oto Spa	Gruppo di formatura per linea profilatrice

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE588960C (de) *	1931-10-04	1933-12-01	Mannesmann Ag	Vorrichtung zum gleichzeitigen Rundbiegen der beiden geraden Blechstosskanten von auf Drei- oder Vierwalzenbiegemaschinen gebogenen Rohrschuessen
DE915932C (de) *	1950-02-26	1954-08-02	Linde Eismasch Ag	Vorrichtung zum kontinuierlichen Herstellen laengsnahtgeschweisster Rohre

1997
- 1997-12-16 IT ITMI972777 patent/IT1296977B1/it active IP Right Grant
1998
- 1998-12-14 EP EP98123722A patent/EP0924004A3/de not_active Withdrawn

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE588960C (de) *	1931-10-04	1933-12-01	Mannesmann Ag	Vorrichtung zum gleichzeitigen Rundbiegen der beiden geraden Blechstosskanten von auf Drei- oder Vierwalzenbiegemaschinen gebogenen Rohrschuessen
DE915932C (de) *	1950-02-26	1954-08-02	Linde Eismasch Ag	Vorrichtung zum kontinuierlichen Herstellen laengsnahtgeschweisster Rohre

Also Published As

Publication number	Publication date
EP0924004A2 (de)	1999-06-23
IT1296977B1 (it)	1999-08-03
ITMI972777A1 (it)	1999-06-16

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Legal Events

Date	Code	Title	Description
1999-05-07	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1999-06-23	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
1999-06-23	AX	Request for extension of the european patent	Free format text: AL;LT;LV;MK;RO;SI
2000-01-28	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
2000-03-15	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
2000-03-15	AX	Request for extension of the european patent	Free format text: AL;LT;LV;MK;RO;SI
2000-03-15	RIC1	Information provided on ipc code assigned before grant	Free format text: 7B 21C 37/06 A, 7B 21C 37/08 B, 7B 21D 5/12 B
2000-11-22	AKX	Designation fees paid
2001-06-08	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2001-07-25	18D	Application deemed to be withdrawn	Effective date: 20000916
2001-08-30	REG	Reference to a national code	Ref country code: DE Ref legal event code: 8566