GB433126A - Improvements in the manufacture of seam welded metal tubes - Google Patents

Improvements in the manufacture of seam welded metal tubes

Info

Publication number
GB433126A
GB433126A GB354434A GB354434A GB433126A GB 433126 A GB433126 A GB 433126A GB 354434 A GB354434 A GB 354434A GB 354434 A GB354434 A GB 354434A GB 433126 A GB433126 A GB 433126A
Authority
GB
United Kingdom
Prior art keywords
manufacture
metal tubes
welded metal
seam welded
dies
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
GB354434A
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.)
EDWARD GARRETT BROWNLOW
Associated Electrical Industries Ltd
Original Assignee
EDWARD GARRETT BROWNLOW
Associated Electrical 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 EDWARD GARRETT BROWNLOW, Associated Electrical Industries Ltd filed Critical EDWARD GARRETT BROWNLOW
Priority to GB354434A priority Critical patent/GB433126A/en
Publication of GB433126A publication Critical patent/GB433126A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

In making fusion welded chromium steel tubes of relatively small bore by passing a metal strip through dies or rolls to bend it with its edges in opposed position and then through dies or rolls to bring the edges into mutual contact or very close proximity immediately within the flame produced by a stream of hydrogen directed through an electric arc, the tube after welding may be passed through a furnace to heat it to 1050 DEG C. and is then quenched to normalize the tube.
GB354434A 1934-02-02 1934-02-02 Improvements in the manufacture of seam welded metal tubes Expired GB433126A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB354434A GB433126A (en) 1934-02-02 1934-02-02 Improvements in the manufacture of seam welded metal tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB354434A GB433126A (en) 1934-02-02 1934-02-02 Improvements in the manufacture of seam welded metal tubes

Publications (1)

Publication Number Publication Date
GB433126A true GB433126A (en) 1935-08-02

Family

ID=9760327

Family Applications (1)

Application Number Title Priority Date Filing Date
GB354434A Expired GB433126A (en) 1934-02-02 1934-02-02 Improvements in the manufacture of seam welded metal tubes

Country Status (1)

Country Link
GB (1) GB433126A (en)

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