GB451390A - Improved method of manufacturing metal tubes and pipes - Google Patents

Improved method of manufacturing metal tubes and pipes

Info

Publication number
GB451390A
GB451390A GB27906/35A GB2790635A GB451390A GB 451390 A GB451390 A GB 451390A GB 27906/35 A GB27906/35 A GB 27906/35A GB 2790635 A GB2790635 A GB 2790635A GB 451390 A GB451390 A GB 451390A
Authority
GB
United Kingdom
Prior art keywords
core
pipes
improved method
open
metal 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
GB27906/35A
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.)
Finspongs Metallverks AB
Original Assignee
Finspongs Metallverks AB
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 Finspongs Metallverks AB filed Critical Finspongs Metallverks AB
Publication of GB451390A publication Critical patent/GB451390A/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
    • B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
    • B21C3/16—Mandrels; Mounting or adjusting same

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

451,390. Making tubes. FINSPONGS METALLVERKS AKTIEBOLAG, Finspong, Sweden. Feb. 4, 1935, No. 27906. Convention date, Feb. 15, 1934. Divided out of 451,357 under which a Specification was laid open to inspection under Sect. 91 of the Acts, Aug. 12, 1935. [Class 83 (iv)] Fillings.-A tube is drawn from a billet having a core of lead, which is subsequently melted out. The ends of the billet may be closed or open. According to the Specification as open to inspection under Sect. 91 the core may be of aluminium, and a core may be removed by dissolving. This subject-matter does not appear in the Specification as accepted.
GB27906/35A 1934-02-15 1935-02-04 Improved method of manufacturing metal tubes and pipes Expired GB451390A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE451390X 1934-02-15

Publications (1)

Publication Number Publication Date
GB451390A true GB451390A (en) 1936-08-04

Family

ID=20310088

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27906/35A Expired GB451390A (en) 1934-02-15 1935-02-04 Improved method of manufacturing metal tubes and pipes

Country Status (1)

Country Link
GB (1) GB451390A (en)

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