GB539875A - Improvements in or relating to mixing machines or mills - Google Patents

Improvements in or relating to mixing machines or mills

Info

Publication number
GB539875A
GB539875A GB873140A GB873140A GB539875A GB 539875 A GB539875 A GB 539875A GB 873140 A GB873140 A GB 873140A GB 873140 A GB873140 A GB 873140A GB 539875 A GB539875 A GB 539875A
Authority
GB
United Kingdom
Prior art keywords
pan
rollers
smedley
depressions
blade
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
GB873140A
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.)
SMEDLEY BROTHERS Ltd
Original Assignee
SMEDLEY BROTHERS 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 SMEDLEY BROTHERS Ltd filed Critical SMEDLEY BROTHERS Ltd
Priority to GB873140A priority Critical patent/GB539875A/en
Publication of GB539875A publication Critical patent/GB539875A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
    • B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
    • B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
    • B22C5/0454—Blending, mixing, kneading or stirring; Methods therefor with bottom disc rotating about a vertical axis or with receptacle rotating about a vertical or steeply inclined axis, e.g. with fixed or driven tools, such as rolls

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

539,875. Edge-runner mills. SMEDLEY BROS., Ltd., and SMEDLEY, D. A. May 16, 1940, No. 8731. [Class 59] An edge-runner mill for treating foundry sand has a pan and rollers the surfaces of which are provided with reticulated depressions. As shown, the pan 14, rotated by bevel gear, is provided with a surface plate having depressions 30 bounded by ridges 31, the rollers 17, 18 mounted on resiliently-supported fixed axles 19, 20 riding in vertical guides 21, being provided with similar surfaces. Rotary stirrers 35, 36, each comprising vertical teeth depending from a disc, are mounted at different distances from the central axis 12 and are driven at different rates. The material is fed centrally and deflected by a blade 34 so as to pass under the stirrer 35, and is finally discharged by a blade 47, a gate 48 hung on a horizontal pivot being provided to break up lumps. In a modification, a rotating drumlike bladed member may be provided for this purpose. The pan may be stationary and the rollers, with their shafts, rotated about the vertical axis 12.
GB873140A 1940-05-16 1940-05-16 Improvements in or relating to mixing machines or mills Expired GB539875A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB873140A GB539875A (en) 1940-05-16 1940-05-16 Improvements in or relating to mixing machines or mills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB873140A GB539875A (en) 1940-05-16 1940-05-16 Improvements in or relating to mixing machines or mills

Publications (1)

Publication Number Publication Date
GB539875A true GB539875A (en) 1941-09-26

Family

ID=9858175

Family Applications (1)

Application Number Title Priority Date Filing Date
GB873140A Expired GB539875A (en) 1940-05-16 1940-05-16 Improvements in or relating to mixing machines or mills

Country Status (1)

Country Link
GB (1) GB539875A (en)

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