EP0970763A3 - Apparatus for the production of a corrugated tube by heical coiling of a thin undulated strip - Google Patents

Apparatus for the production of a corrugated tube by heical coiling of a thin undulated strip Download PDF

Info

Publication number
EP0970763A3
EP0970763A3 EP99112526A EP99112526A EP0970763A3 EP 0970763 A3 EP0970763 A3 EP 0970763A3 EP 99112526 A EP99112526 A EP 99112526A EP 99112526 A EP99112526 A EP 99112526A EP 0970763 A3 EP0970763 A3 EP 0970763A3
Authority
EP
European Patent Office
Prior art keywords
strip
corrugated tube
corrugation
corrugations
heical
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
EP99112526A
Other languages
German (de)
French (fr)
Other versions
EP0970763A2 (en
EP0970763B1 (en
Inventor
Hans-Georg Anton
Horst Dipl.Ing. Hahn
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.)
Fritz Hahn & Co KG GmbH
Original Assignee
Fritz Hahn & Co KG GmbH
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 Fritz Hahn & Co KG GmbH filed Critical Fritz Hahn & Co KG GmbH
Publication of EP0970763A2 publication Critical patent/EP0970763A2/en
Publication of EP0970763A3 publication Critical patent/EP0970763A3/en
Application granted granted Critical
Publication of EP0970763B1 publication Critical patent/EP0970763B1/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
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes 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
    • B21C37/12—Making tubes or metal hoses with helically arranged seams
    • B21C37/124—Making tubes or metal hoses with helically arranged seams the tubes having a special shape, e.g. with corrugated wall, flexible tubes

Abstract

A spirally wound corrugated tube manufacturing mill has interior and exterior strip joining rolls (4, 5) with diametrically opposite shoulder regions for defining a rectangular deformation space. A mill for corrugated tube manufacture by spiral winding of longitudinally corrugated strip comprises: (a) an exterior strip joining roll (5) with a corrugation profile matching that of the strip (6); and (b) an interior strip joining roll (4) with a corrugation profile larger than that of the strip, the corrugation peaks having the same curvature radius as the strip corrugations, and the corrugation valleys having a slightly greater curvature radius than the strip corrugations. In the region of the corrugations to be strip joined and deformed, the two rolls have diametrically opposite shoulder regions forming an intermediate rectangular deformation space.
EP99112526A 1998-07-08 1999-07-01 Apparatus for the production of a corrugated tube by heical coiling of a thin undulated strip Expired - Lifetime EP0970763B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19830401 1998-07-08
DE19830401A DE19830401C1 (en) 1998-07-08 1998-07-08 Spirally wound corrugated tube manufacturing mill

Publications (3)

Publication Number Publication Date
EP0970763A2 EP0970763A2 (en) 2000-01-12
EP0970763A3 true EP0970763A3 (en) 2001-05-09
EP0970763B1 EP0970763B1 (en) 2003-04-02

Family

ID=7873272

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99112526A Expired - Lifetime EP0970763B1 (en) 1998-07-08 1999-07-01 Apparatus for the production of a corrugated tube by heical coiling of a thin undulated strip

Country Status (5)

Country Link
EP (1) EP0970763B1 (en)
AT (1) ATE235973T1 (en)
DE (2) DE19830401C1 (en)
ES (1) ES2194404T3 (en)
PT (1) PT970763E (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013013735B4 (en) 2013-08-21 2018-12-27 Fritz Hahn Gmbh & Co. Kg Apparatus and method for producing a spiral-folded tube and a spiral-folded tube produced by the device and by the method from a profiled metal strip
CN106180328A (en) * 2016-07-20 2016-12-07 江苏龙胜机床制造有限公司 A kind of ring metal bellows molding machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3863480A (en) * 1973-08-28 1975-02-04 Johns Manville Apparatus for forming corrugated strip material into helically wound tubing
DE3047518A1 (en) * 1980-06-16 1982-07-15 Fritz Hahn Kg, 5500 Trier Spirally wound tube rolling mechanism - has corrugated strip guide roller set with variable angle plane to produce various diameter tubes
EP0182001A2 (en) * 1984-11-14 1986-05-28 Fritz Hahn GmbH & Co. KG Method and apparatus for making a flexible corrugated tube, and a flexible corrugated tube made by this method
EP0222285A2 (en) * 1985-11-13 1987-05-20 Fritz Hahn GmbH & Co. KG Method and apparatus for making a corrugated tube by helically winding a thin corrugated strip, preferably a steel strip

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3863480A (en) * 1973-08-28 1975-02-04 Johns Manville Apparatus for forming corrugated strip material into helically wound tubing
DE3047518A1 (en) * 1980-06-16 1982-07-15 Fritz Hahn Kg, 5500 Trier Spirally wound tube rolling mechanism - has corrugated strip guide roller set with variable angle plane to produce various diameter tubes
EP0182001A2 (en) * 1984-11-14 1986-05-28 Fritz Hahn GmbH & Co. KG Method and apparatus for making a flexible corrugated tube, and a flexible corrugated tube made by this method
EP0222285A2 (en) * 1985-11-13 1987-05-20 Fritz Hahn GmbH & Co. KG Method and apparatus for making a corrugated tube by helically winding a thin corrugated strip, preferably a steel strip

Also Published As

Publication number Publication date
DE59904810D1 (en) 2003-05-08
ES2194404T3 (en) 2003-11-16
PT970763E (en) 2003-08-29
EP0970763A2 (en) 2000-01-12
ATE235973T1 (en) 2003-04-15
EP0970763B1 (en) 2003-04-02
DE19830401C1 (en) 1999-10-14

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