FR570154A - Tube drawn with longitudinal ribs not hardened and method of manufacture - Google Patents

Tube drawn with longitudinal ribs not hardened and method of manufacture

Info

Publication number
FR570154A
FR570154A FR570154DA FR570154A FR 570154 A FR570154 A FR 570154A FR 570154D A FR570154D A FR 570154DA FR 570154 A FR570154 A FR 570154A
Authority
FR
France
Prior art keywords
hardened
manufacture
longitudinal ribs
tube drawn
drawn
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
French (fr)
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.)
BOYER ET LUNEAU
Original Assignee
BOYER ET LUNEAU
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 BOYER ET LUNEAU filed Critical BOYER ET LUNEAU
Application granted granted Critical
Publication of FR570154A publication Critical patent/FR570154A/en
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
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
    • B21C37/202—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with guides parallel to the tube axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR570154D 1923-08-27 1923-08-27 Tube drawn with longitudinal ribs not hardened and method of manufacture Expired FR570154A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR570154T 1923-08-27

Publications (1)

Publication Number Publication Date
FR570154A true FR570154A (en) 1924-04-24

Family

ID=8949658

Family Applications (1)

Application Number Title Priority Date Filing Date
FR570154D Expired FR570154A (en) 1923-08-27 1923-08-27 Tube drawn with longitudinal ribs not hardened and method of manufacture

Country Status (1)

Country Link
FR (1) FR570154A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2459695A1 (en) * 1979-06-25 1981-01-16 Mannesmann Ag METHOD FOR MANUFACTURING ARTICULATED TREES HAVING DENTURES FROM TUBES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2459695A1 (en) * 1979-06-25 1981-01-16 Mannesmann Ag METHOD FOR MANUFACTURING ARTICULATED TREES HAVING DENTURES FROM TUBES

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