DE234481C - - Google Patents

Info

Publication number
DE234481C
DE234481C DENDAT234481D DE234481DA DE234481C DE 234481 C DE234481 C DE 234481C DE NDAT234481 D DENDAT234481 D DE NDAT234481D DE 234481D A DE234481D A DE 234481DA DE 234481 C DE234481 C DE 234481C
Authority
DE
Germany
Prior art keywords
tube
metal
bend
covered
filled
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.)
Active
Application number
DENDAT234481D
Other languages
German (de)
Publication of DE234481C publication Critical patent/DE234481C/de
Active 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
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/04—Bending tubes using mandrels or the like the mandrel being rigid

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zum Biegen von fugenlosen, dünnwandigen Rohren aus Edelmetall, dadurch gekennzeichnet, daß das Rohr mit einem ausschmelzbaren Kern gefüllt und mit einem Metallrohr umkleidet wird, das nach der Biegung wieder entfernt wird.Method for bending seamless, thin-walled pipes made of precious metal, thereby characterized in that the tube is filled with a fusible core and covered with a metal tube, which is after the bend is removed again.
DENDAT234481D Active DE234481C (en)

Publications (1)

Publication Number Publication Date
DE234481C true DE234481C (en)

Family

ID=494337

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT234481D Active DE234481C (en)

Country Status (1)

Country Link
DE (1) DE234481C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2547751A1 (en) * 1983-06-22 1984-12-28 Snecma Method of bending a metal tube
US7155841B2 (en) 2005-03-28 2007-01-02 Earth Care Products, Inc. Rotary impinging stream dryer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2547751A1 (en) * 1983-06-22 1984-12-28 Snecma Method of bending a metal tube
US7155841B2 (en) 2005-03-28 2007-01-02 Earth Care Products, Inc. Rotary impinging stream dryer

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