DE3512501C2 - - Google Patents

Info

Publication number
DE3512501C2
DE3512501C2 DE19853512501 DE3512501A DE3512501C2 DE 3512501 C2 DE3512501 C2 DE 3512501C2 DE 19853512501 DE19853512501 DE 19853512501 DE 3512501 A DE3512501 A DE 3512501A DE 3512501 C2 DE3512501 C2 DE 3512501C2
Authority
DE
Germany
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.)
Expired
Application number
DE19853512501
Other versions
DE3512501A1 (de
Inventor
Alexander 4788 Warstein De Esser
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.)
Esser-Brieden & Co Kg 4788 Warstein De GmbH
Original Assignee
Esser-Brieden & Co Kg 4788 Warstein De 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 Esser-Brieden & Co Kg 4788 Warstein De GmbH filed Critical Esser-Brieden & Co Kg 4788 Warstein De GmbH
Priority to DE19853512501 priority Critical patent/DE3512501A1/de
Publication of DE3512501A1 publication Critical patent/DE3512501A1/de
Application granted granted Critical
Publication of DE3512501C2 publication Critical patent/DE3512501C2/de
Granted 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for 
    • B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for  by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
DE19853512501 1985-04-06 1985-04-06 Verfahren zur herstellung eines doppelwandigen rohrs fuer den feststofftransport Granted DE3512501A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19853512501 DE3512501A1 (de) 1985-04-06 1985-04-06 Verfahren zur herstellung eines doppelwandigen rohrs fuer den feststofftransport

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853512501 DE3512501A1 (de) 1985-04-06 1985-04-06 Verfahren zur herstellung eines doppelwandigen rohrs fuer den feststofftransport

Publications (2)

Publication Number Publication Date
DE3512501A1 DE3512501A1 (de) 1986-10-16
DE3512501C2 true DE3512501C2 (de) 1987-03-26

Family

ID=6267403

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853512501 Granted DE3512501A1 (de) 1985-04-06 1985-04-06 Verfahren zur herstellung eines doppelwandigen rohrs fuer den feststofftransport

Country Status (1)

Country Link
DE (1) DE3512501A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004038138B4 (de) * 2004-08-05 2007-06-06 Audi Ag Verfahren zur Herstellung eines hybriden Rohres

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US952545A (en) * 1910-03-22 American Pipe Lining Corp Apparatus for lining pipes.
DE593559C (de) * 1934-02-28 Theodor V Meszoely Verfahren zur Herstellung von doppelwandigen Metallrohren
DE619070C (de) * 1932-12-17 1935-09-21 Roehrenwerke Akt Ges Deutsche Verfahren zur Herstellung nahtloser Rohre
DE712586C (de) * 1937-03-04 1941-10-22 Ferndorf Eisen Metall Verfahren zur Herstellung eines von einem zaehen Mantel umgebenen hochgehaerteten Rohres, insbesondere fuer Versatzleitungen
DE2905071C2 (de) * 1979-02-10 1983-11-03 Jakobs & Co GmbH, 4200 Oberhausen Doppelwand-Leitungsrohr

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004038138B4 (de) * 2004-08-05 2007-06-06 Audi Ag Verfahren zur Herstellung eines hybriden Rohres

Also Published As

Publication number Publication date
DE3512501A1 (de) 1986-10-16

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee