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US 7,712,693 B2Granted
Degradation insert with overhang
OwnerDavid R. Hallinventor
Life of this patent
Estimating the term…
Abstract
In one aspect of the invention, a cone crusher has at least one crushing surface disposed on either a cone and/or an inverted bowl of the crusher. The crushing surface has at least one insert having an impact head with a stem protruding from a base end of the head. The stem has a smaller cross sectional thickness than the head.
Claims16
A cone crusher comprising;
- at least one crushing surface disposed on either a cone and/or an inverted bowl of the crusher;
- the crushing surface comprising at least one insert comprising an impact head with a stem protruding from a base end of the head, the stem being pressed into a cavity of the crushing surface;
- the stem and head being made of dissimilar material, and the material of the stem having a coefficient of thermal expansion greater than a coefficient of thermal expansion of the material of the head;
- an overhang formed by the base end of the insert contacts the crushing surface and protects a region of the surface;
- the stem comprises a smaller cross sectional thickness than the head.
2 more elements
A crusher comprising;
- at least one crushing surface;
- the crushing surface comprising at least one insert comprising an impact head with a stem protruding from a base end of the head, the stem being pressed into a cavity of the crushing surface;
- the stem and head being made of dissimilar material, and the material of the stem having a coefficient of thermal expansion greater than a coefficient of thermal expansion of the material of the head;
- an overhang formed by the base end of the insert contacts the crushing surface and protects a region of the surface;
- wherein the stem comprises a smaller cross sectional thickness than the head.
2 more elements
Dependencies are inferred from the claim text.