FR524053A - Improvements to return elbows and the like and method and devices for their manufacture - Google Patents

Improvements to return elbows and the like and method and devices for their manufacture

Info

Publication number
FR524053A
FR524053A FR524053A FR524053DA FR524053A FR 524053 A FR524053 A FR 524053A FR 524053 A FR524053 A FR 524053A FR 524053D A FR524053D A FR 524053DA FR 524053 A FR524053 A FR 524053A
Authority
FR
France
Prior art keywords
manufacture
devices
return elbows
elbows
return
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
FR524053A
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.)
LOCOMOTIVE SUPERHEATER CO
Original Assignee
LOCOMOTIVE SUPERHEATER CO
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 LOCOMOTIVE SUPERHEATER CO filed Critical LOCOMOTIVE SUPERHEATER CO
Application granted granted Critical
Publication of FR524053A publication Critical patent/FR524053A/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
    • B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
    • B21C37/283—Making U-pieces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR524053A 1920-09-13 1920-09-13 Improvements to return elbows and the like and method and devices for their manufacture Expired FR524053A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR524053T 1920-09-13

Publications (1)

Publication Number Publication Date
FR524053A true FR524053A (en) 1921-08-30

Family

ID=8919023

Family Applications (1)

Application Number Title Priority Date Filing Date
FR524053A Expired FR524053A (en) 1920-09-13 1920-09-13 Improvements to return elbows and the like and method and devices for their manufacture

Country Status (1)

Country Link
FR (1) FR524053A (en)

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