FR752539A - Manufacturing process for hollow metal elements - Google Patents

Manufacturing process for hollow metal elements

Info

Publication number
FR752539A
FR752539A FR752539DA FR752539A FR 752539 A FR752539 A FR 752539A FR 752539D A FR752539D A FR 752539DA FR 752539 A FR752539 A FR 752539A
Authority
FR
France
Prior art keywords
manufacturing process
metal elements
hollow metal
hollow
elements
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of FR752539A publication Critical patent/FR752539A/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
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/0803—Making tubes with welded or 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
    • B21C37/16—Making tubes with varying diameter in longitudinal direction
    • B21C37/18—Making tubes with varying diameter in longitudinal direction conical tubes
    • B21C37/185—Making tubes with varying diameter in longitudinal direction conical tubes starting from sheet material
FR752539D 1933-03-16 1933-03-16 Manufacturing process for hollow metal elements Expired FR752539A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR752539T 1933-03-16

Publications (1)

Publication Number Publication Date
FR752539A true FR752539A (en) 1933-09-25

Family

ID=9159094

Family Applications (1)

Application Number Title Priority Date Filing Date
FR752539D Expired FR752539A (en) 1933-03-16 1933-03-16 Manufacturing process for hollow metal elements

Country Status (1)

Country Link
FR (1) FR752539A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443980A (en) * 1944-10-06 1948-06-22 Welded Steel Shapes Inc Truss side frame
US2574241A (en) * 1946-12-03 1951-11-06 Joseph S Bobst Truss or beam for metallic building structures
US2611435A (en) * 1946-05-24 1952-09-23 Superior Steel Products Corp Die set
US3266051A (en) * 1962-07-02 1966-08-09 Charles W Attwood Polygonal, telescoping, tubular members
EP1270098A2 (en) * 2001-06-19 2003-01-02 Sandvik Tamrock Oy Method for manufacturing a protective cover for a breaking apparatus, and said breaking apparatus
EP1344741A1 (en) * 2002-03-15 2003-09-17 B. Teupen Maschinenbau GmbH Self-propelled working vehicle, namely elevating work platform or crane

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443980A (en) * 1944-10-06 1948-06-22 Welded Steel Shapes Inc Truss side frame
US2611435A (en) * 1946-05-24 1952-09-23 Superior Steel Products Corp Die set
US2574241A (en) * 1946-12-03 1951-11-06 Joseph S Bobst Truss or beam for metallic building structures
US3266051A (en) * 1962-07-02 1966-08-09 Charles W Attwood Polygonal, telescoping, tubular members
EP1270098A2 (en) * 2001-06-19 2003-01-02 Sandvik Tamrock Oy Method for manufacturing a protective cover for a breaking apparatus, and said breaking apparatus
EP1270098A3 (en) * 2001-06-19 2003-05-07 Sandvik Tamrock Oy Method for manufacturing a protective cover for a breaking apparatus, and said breaking apparatus
EP1344741A1 (en) * 2002-03-15 2003-09-17 B. Teupen Maschinenbau GmbH Self-propelled working vehicle, namely elevating work platform or crane

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