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DE3909721A1
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Fines and superfines separator for use in the regeneration of used foundry sand
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DE3909535A1
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Apparatus for cleaning used foundry sand
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DE3825361A1
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Method and installation for regenerating mixtures of used foundry sand
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DE3110578A1
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DEVICE FOR CLEANING FOUNDRY SAND
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DE2823578A1
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Used moulding sand regeneration - utilising ascending air stream protecting sand through expansion space before impinging on disc
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US4203777A
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Method for purifying particulate mould material
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DE2749498A1
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Moulding sand nodules fragmentation - by vibrating vee grate and also vibrating container
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DE2705606A1
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Regenerating used foundry sand by dry mechanical treatment - sand being fed down vibrating tower filled with steel wool
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US4074867A
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Method and apparatus for comminuting sand clods
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US4089081A
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Apparatus for purifying particulate mould material
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DE2460594B1
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Reclaiming used foundry sand - where used sand is fed down column of vibrating metal wool through current of hot air
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Process and arrangement for the regeneration of foundry sand
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US1863049A
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Machine for making pile fabrics
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AU1313208B
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Improvements in bottle seals
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GB189719439A
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Improvements in Fluid Pressure Valves.
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