GB780920A - Apparatus for dispensing shots of molten metal - Google Patents

Apparatus for dispensing shots of molten metal

Info

Publication number
GB780920A
GB780920A GB1155/56A GB115556A GB780920A GB 780920 A GB780920 A GB 780920A GB 1155/56 A GB1155/56 A GB 1155/56A GB 115556 A GB115556 A GB 115556A GB 780920 A GB780920 A GB 780920A
Authority
GB
United Kingdom
Prior art keywords
valve
pipe
molten metal
pot
bore
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
GB1155/56A
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of GB780920A publication Critical patent/GB780920A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/30—Accessories for supplying molten metal, e.g. in rations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)

Abstract

780,920. Discharging molten metals. DOW CHEMICAL CO. Jan. 12, 1956 [Feb. 2, 1955], No. 1155/56. Class 51 (2). [Also in Group XXII] An apparatus for dispensing shots of molten metal shotwise through a sloping pipe 12, particularly easily oxidizable metals such as magnesium and magnesium-base alloys, comprises a melting-pot 4, a valve assembly 17 on the discharge end of the pipe, said valve comprising a body member 18 having an axial bore 19 from end to end and a port 20 in the side communicating with the discharge end of the pipe, the upper end of the bore being above the level of the molten metal in the pot, a valve seat 24 with a conical recess having an included angle of between 20 and 120 degrees, and a valve 28 of hemispherical form carried by a stem 29. The length of the passageway 25 in the valve seat is not more than 0.25 inches, and the distance between the top of the axial bore and the working level of the molten metal is at least as much as the valve stem travel in opening the valve. The pipe 12 and valve assembly 17 are lagged and provided with electrical heating means 22. A protective gas is supplied to the space above the melt in the bore 19, and around the outlet 25. A valve 14 is fitted to the end of the pipe 12 in the melting-pot.
GB1155/56A 1955-02-02 1956-01-12 Apparatus for dispensing shots of molten metal Expired GB780920A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US780920XA 1955-02-02 1955-02-02

Publications (1)

Publication Number Publication Date
GB780920A true GB780920A (en) 1957-08-07

Family

ID=22141855

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1155/56A Expired GB780920A (en) 1955-02-02 1956-01-12 Apparatus for dispensing shots of molten metal

Country Status (1)

Country Link
GB (1) GB780920A (en)

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