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US 4,205,920 AGranted
Apparatus for continuously mixing sand and binder for foundry use
OwnerLuisa Viganoinventor
Life of this patent
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Abstract
Apparatus for continuously mixing sand and binder for foundry use comprises a circular-section housing, a co-axial rotor mounted for rotation in the housing and means for feeding sand and binder to the housing, the housing being of rigid material and blades of the rotor being of resilient material for cooperation therewith.
Claims12
Apparatus for continuously mixing sand and binder for foundry use comprising;
- a housing having a head, said housing being constructed of a rigid material and having a circular cross-sectional shape,
- a support secured to said housing head. wherein said housing is hollow and defines a mixing chamber,
- an atomizing rotor and a mixing rotor rotatably mounted to said support in said mixing chamber,
- supply means for supplying binder to the atomising rotor and for supplying sand to the mixing rotor, and
- said mixing rotor having a plurality of blades constructed of an elastically deformable material, wherein at least one of said blades is covered with a lamina of very hard wear resistant material having a thickness of about 1/10th the thickness of the blade.
2 more elements
Dependencies are inferred from the claim text.