FR551988A - Process for making wrought iron tubes lined with fins - Google Patents

Process for making wrought iron tubes lined with fins

Info

Publication number
FR551988A
FR551988A FR551988DA FR551988A FR 551988 A FR551988 A FR 551988A FR 551988D A FR551988D A FR 551988DA FR 551988 A FR551988 A FR 551988A
Authority
FR
France
Prior art keywords
fins
wrought iron
iron tubes
tubes lined
making wrought
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.)
WEGELIN GEB
Original Assignee
WEGELIN GEB
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 WEGELIN GEB filed Critical WEGELIN GEB
Application granted granted Critical
Publication of FR551988A publication Critical patent/FR551988A/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
    • B21C37/24—Making finned or ribbed tubes by fixing strip or like material to tubes annularly-ribbed tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR551988D 1922-05-24 1922-05-24 Process for making wrought iron tubes lined with fins Expired FR551988A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR551988T 1922-05-24

Publications (1)

Publication Number Publication Date
FR551988A true FR551988A (en) 1923-04-18

Family

ID=8937257

Family Applications (1)

Application Number Title Priority Date Filing Date
FR551988D Expired FR551988A (en) 1922-05-24 1922-05-24 Process for making wrought iron tubes lined with fins

Country Status (1)

Country Link
FR (1) FR551988A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4847989A (en) * 1983-06-16 1989-07-18 Burr Oak Tool & Gauge Company Spiral expanding bullet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4847989A (en) * 1983-06-16 1989-07-18 Burr Oak Tool & Gauge Company Spiral expanding bullet

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