FR542710A - Manufacturing process for hollow monobloc metal objects with fins or ribs and resulting new products - Google Patents

Manufacturing process for hollow monobloc metal objects with fins or ribs and resulting new products

Info

Publication number
FR542710A
FR542710A FR542710DA FR542710A FR 542710 A FR542710 A FR 542710A FR 542710D A FR542710D A FR 542710DA FR 542710 A FR542710 A FR 542710A
Authority
FR
France
Prior art keywords
fins
ribs
manufacturing process
new products
metal objects
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)
Inventor
Charles-Harold Meigh
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 filed Critical
Application granted granted Critical
Publication of FR542710A publication Critical patent/FR542710A/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
    • B21C37/14—Making tubes from double flat material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR542710D 1921-10-25 1921-10-25 Manufacturing process for hollow monobloc metal objects with fins or ribs and resulting new products Expired FR542710A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR542710T 1921-10-25

Publications (1)

Publication Number Publication Date
FR542710A true FR542710A (en) 1922-08-21

Family

ID=8931065

Family Applications (1)

Application Number Title Priority Date Filing Date
FR542710D Expired FR542710A (en) 1921-10-25 1921-10-25 Manufacturing process for hollow monobloc metal objects with fins or ribs and resulting new products

Country Status (1)

Country Link
FR (1) FR542710A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2707820A (en) * 1950-10-11 1955-05-10 Julian L Reynolds Method for making tubular elements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2707820A (en) * 1950-10-11 1955-05-10 Julian L Reynolds Method for making tubular elements

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