FR868179A - Corps creux à plusieurs couches - Google Patents

Corps creux à plusieurs couches

Info

Publication number
FR868179A
FR868179A FR868179DA FR868179A FR 868179 A FR868179 A FR 868179A FR 868179D A FR868179D A FR 868179DA FR 868179 A FR868179 A FR 868179A
Authority
FR
France
Prior art keywords
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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.)
Expired
Application number
Other languages
English (en)
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.)
Fried Krupp AG
Original Assignee
Fried Krupp AG
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 Fried Krupp AG filed Critical Fried Krupp AG
Application granted granted Critical
Publication of FR868179A publication Critical patent/FR868179A/fr
Expired 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
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/154—Making multi-wall tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR868179D 1938-12-17 1940-12-18 Corps creux à plusieurs couches Expired FR868179A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE868179X 1938-12-17

Publications (1)

Publication Number Publication Date
FR868179A true FR868179A (fr) 1941-12-23

Family

ID=6802317

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868179D Expired FR868179A (fr) 1938-12-17 1940-12-18 Corps creux à plusieurs couches

Country Status (1)

Country Link
FR (1) FR868179A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE976530C (de) * 1942-10-16 1963-10-24 Siemens Ag Verfahren zur Herstellung eines Elektrolytkondensators

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE976530C (de) * 1942-10-16 1963-10-24 Siemens Ag Verfahren zur Herstellung eines Elektrolytkondensators

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