GB523965A - Improvements in and connected with cast ingot moulds - Google Patents

Improvements in and connected with cast ingot moulds

Info

Publication number
GB523965A
GB523965A GB168639A GB168639A GB523965A GB 523965 A GB523965 A GB 523965A GB 168639 A GB168639 A GB 168639A GB 168639 A GB168639 A GB 168639A GB 523965 A GB523965 A GB 523965A
Authority
GB
United Kingdom
Prior art keywords
mould
casting
grinding
jan
grid
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
GB168639A
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.)
WILFRID STANLEY WILLIAMS
Original Assignee
WILFRID STANLEY WILLIAMS
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 WILFRID STANLEY WILLIAMS filed Critical WILFRID STANLEY WILLIAMS
Priority to GB168639A priority Critical patent/GB523965A/en
Publication of GB523965A publication Critical patent/GB523965A/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
    • B22D7/00—Casting ingots, e.g. from ferrous metals
    • B22D7/06—Ingot moulds or their manufacture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D18/00—Pressure casting; Vacuum casting
    • B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/003—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting by using inert gases

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Crushing And Grinding (AREA)
  • Processing Of Solid Wastes (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

523,965. Refining iron. WILLIAMS, W. S. Jan. 18, 1939, No. 1686. [Class 72] [Also in Group XXII] In the casting of a ferrous mould or other article A, air is blown into the mould B with such violence as to eliminate occluded gases and precipitate gish thus increasing the toughness, malleability and resistance to erosion of the casting. When casting an ingot mould, bottom up. in a sand mould B having a sand core, air is admitted for 5-25 minutes through a valve D and pipe C adjacent the vent or riser head. 524,005. Ball mills. PETERSEN, K. Jan. 19, 1939, No. 1947. [Class 59] A method of grinding garbage and the like waste materials containing components which are difficult or impossible to grind, in a rotary grinding drum containing one or more grinding chambers 1 and 2, the circumferential walls 5 of which are constructed as a grid or coarse screen, is characterized by the fact that the ungrindable components are brought out of the grinding chambers through one or more large apertures in the grid or screen. The large apertures may be formed in various ways as shown at 11 and 12, Figs. 3 and 5 respectively, and may be adjustable in size. Specifications 492,213, 516,339 and 523,454 are referred to.
GB168639A 1939-01-18 1939-01-18 Improvements in and connected with cast ingot moulds Expired GB523965A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB168639A GB523965A (en) 1939-01-18 1939-01-18 Improvements in and connected with cast ingot moulds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB168639A GB523965A (en) 1939-01-18 1939-01-18 Improvements in and connected with cast ingot moulds

Publications (1)

Publication Number Publication Date
GB523965A true GB523965A (en) 1940-07-26

Family

ID=9726255

Family Applications (1)

Application Number Title Priority Date Filing Date
GB168639A Expired GB523965A (en) 1939-01-18 1939-01-18 Improvements in and connected with cast ingot moulds

Country Status (1)

Country Link
GB (1) GB523965A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2426521A1 (en) * 1978-05-23 1979-12-21 Hoogovens Ijmuiden Bv LINGOTIER MANUFACTURING PROCESS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2426521A1 (en) * 1978-05-23 1979-12-21 Hoogovens Ijmuiden Bv LINGOTIER MANUFACTURING PROCESS

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