CENTRIFUGAL CAST PIG IRON PIPE WITHOUT FUNNEL WITH ROUND GRAPHITE AND METHOD OF ITS MANUFACTURING Russian patent published in 1995 - IPC

Abstract RU 2048970 C1

FIELD: casting of metals. SUBSTANCE: within this method pig iron is poured into rotating mould, crystallized and removed from the mould. The pipe edges have additional finish both on the inner and outer surfaces of the pipe. Width of finish from the pipe end is not less than 3t, depth from inside is not less than 0,1t, depth from outside is not less than 0,02t, where t is wall thickness of finished edge. Edges are finished on hot pipe at the temperature of 800-900 C after the pipe is removed from the mould and before its thermal treatment. EFFECT: improved quality. 5 cl, 2 dwg

Similar patents RU2048970C1

Title Year Author Number
SHAPED PART OF PIPE LINE 1993
  • Veter V.V.
  • Samojlov M.I.
  • Babanov A.A.
RU2087788C1
SEAMLESS CAST IRON HOT DEFORMED TUBE 2003
  • Veter V.V.
  • Samojlov M.I.
  • Babanov A.A.
  • Pripadcheva N.A.
  • Belkin G.A.
RU2243046C1
METHOD FOR WELDING IRON ARTICLES 1995
  • Veter V.V.
  • Samojlov M.I.
  • Khromchenko F.A.
  • Martynov V.M.
  • Pripadcheva N.A.
RU2098247C1
METHOD OF WELDING OF CAST-IRON PRODUCTS 1996
  • Veter V.V.
  • Samojlov M.I.
  • Babanov A.A.
  • Kruglov V.Eh.
RU2105646C1
PIPE LINE (VERSIONS) 2002
  • Veter V.V.
  • Samojlov M.I.
  • Babanov A.A.
  • Nosov V.A.
  • Belkin G.A.
RU2213286C1
METHOD OF HEAT TREATMENT OF WELDED JOINTS 1998
  • Veter V.V.
  • Samojlov M.I.
  • Babanov A.A.
  • Pripadcheva N.A.
  • Nosov V.A.
RU2126453C1
METHOD OF MANUFACTURE OF PIPE LINE UNIT AND PIPE LINE UNIT USED FOR REALIZATION OF THIS METHOD 2001
  • Veter V.V.
  • Samojlov M.I.
  • Babanov A.A.
  • Nosov V.A.
  • Belkin G.A.
RU2194909C1
METHOD OF MANUFACTURE OF CAST IRON TUBES 2003
  • Veter V.V.
  • Samojlov M.I.
  • Babanov A.A.
  • Pripadcheva N.A.
  • Belkin G.A.
RU2255121C1
METHOD FOR WELDING ARTICLES OF CAST IRON WITH SPHEROIDAL GRAPHITE AT MOUNTING THEM 2003
  • Luzhanskij I.B.
RU2257984C2
COMBINED PIPE 1999
  • Veter V.V.
  • Samojlov M.I.
  • Smirnov V.A.
  • Perekatov S.V.
  • Umerkin G.Kh.
  • Nosov V.A.
RU2156910C1

RU 2 048 970 C1

Authors

Veter V.V.

Samojlov M.I.

Babanov A.A.

Dates

1995-11-27Published

1993-06-10Filed