FR349250A - Improvements in the manufacture of radiator tubes and in the devices used for their manufacture - Google Patents

Improvements in the manufacture of radiator tubes and in the devices used for their manufacture

Info

Publication number
FR349250A
FR349250A FR349250DA FR349250A FR 349250 A FR349250 A FR 349250A FR 349250D A FR349250D A FR 349250DA FR 349250 A FR349250 A FR 349250A
Authority
FR
France
Prior art keywords
manufacture
devices used
radiator tubes
radiator
tubes
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.)
Long Manufacturing Co Inc
Original Assignee
Long Manufacturing Co Inc
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 Long Manufacturing Co Inc filed Critical Long Manufacturing Co Inc
Application granted granted Critical
Publication of FR349250A publication Critical patent/FR349250A/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
    • B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
    • B21C37/26—Making finned or ribbed tubes by fixing strip or like material to tubes helically-ribbed tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR349250D 1904-12-20 1904-12-20 Improvements in the manufacture of radiator tubes and in the devices used for their manufacture Expired FR349250A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR349250T 1904-12-20

Publications (1)

Publication Number Publication Date
FR349250A true FR349250A (en) 1905-05-17

Family

ID=1397763

Family Applications (1)

Application Number Title Priority Date Filing Date
FR349250D Expired FR349250A (en) 1904-12-20 1904-12-20 Improvements in the manufacture of radiator tubes and in the devices used for their manufacture

Country Status (1)

Country Link
FR (1) FR349250A (en)

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