FR531221A - Hollow bar in two parts, in particular for reinforcing all beams or light members - Google Patents

Hollow bar in two parts, in particular for reinforcing all beams or light members

Info

Publication number
FR531221A
FR531221A FR531221DA FR531221A FR 531221 A FR531221 A FR 531221A FR 531221D A FR531221D A FR 531221DA FR 531221 A FR531221 A FR 531221A
Authority
FR
France
Prior art keywords
beams
reinforcing
parts
hollow bar
light members
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.)
Luftschiffbau Zeppelin GmbH
Original Assignee
Luftschiffbau Zeppelin GmbH
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 Luftschiffbau Zeppelin GmbH filed Critical Luftschiffbau Zeppelin GmbH
Application granted granted Critical
Publication of FR531221A publication Critical patent/FR531221A/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
    • B21C37/10—Making tubes with riveted seams or with non-welded and non-soldered seams
    • B21C37/104—Making tubes with riveted seams or with non-welded and non-soldered seams the tubes having a special shape, e.g. polygonal tubes
    • 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
    • B21C37/155—Making tubes with non circular section
FR531221D 1917-11-05 1921-02-22 Hollow bar in two parts, in particular for reinforcing all beams or light members Expired FR531221A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE531221X 1917-11-05

Publications (1)

Publication Number Publication Date
FR531221A true FR531221A (en) 1922-01-09

Family

ID=6554850

Family Applications (1)

Application Number Title Priority Date Filing Date
FR531221D Expired FR531221A (en) 1917-11-05 1921-02-22 Hollow bar in two parts, in particular for reinforcing all beams or light members

Country Status (1)

Country Link
FR (1) FR531221A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2478977A1 (en) * 2009-09-16 2012-07-25 JFE Steel Corporation Curved closed-section structural component and method for manufacturing same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2478977A1 (en) * 2009-09-16 2012-07-25 JFE Steel Corporation Curved closed-section structural component and method for manufacturing same
EP2478977A4 (en) * 2009-09-16 2014-11-26 Jfe Steel Corp Curved closed-section structural component and method for manufacturing same
US9009970B2 (en) 2009-09-16 2015-04-21 Jfe Steel Corporation Curvilineal closed structure parts and method for manufacturing the same

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