FR318948A - Procédé de fabrication de corps creux - Google Patents

Procédé de fabrication de corps creux

Info

Publication number
FR318948A
FR318948A FR318948DA FR318948A FR 318948 A FR318948 A FR 318948A FR 318948D A FR318948D A FR 318948DA FR 318948 A FR318948 A FR 318948A
Authority
FR
France
Prior art keywords
manufacturing process
hollow bodies
bodies
hollow
manufacturing
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)
Inventor
Gleichmann
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR318948A publication Critical patent/FR318948A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/04—Piercing presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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 or tubes with decorated walls
    • B21C37/205—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 or tubes with decorated walls with annular guides

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR318948D 1902-02-22 1902-02-22 Procédé de fabrication de corps creux Expired FR318948A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR318948T 1902-02-22

Publications (1)

Publication Number Publication Date
FR318948A true FR318948A (fr) 1902-10-30

Family

ID=1369561

Family Applications (1)

Application Number Title Priority Date Filing Date
FR318948D Expired FR318948A (fr) 1902-02-22 1902-02-22 Procédé de fabrication de corps creux

Country Status (1)

Country Link
FR (1) FR318948A (fr)

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