Lip for excavating bucket
AssigneeEsco Group LLC
InventorsRobin K. Churchill, Michael B. Roska, Ulf Daniel Widlund
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Abstract
A cast lip for an excavating bucket composed of a ferrous alloy having at least seven percent chromium by weight, 3%-6% nickel by weight, and ≤0.12% carbon by weight, and a primarily martensitic structure.
Claims9
A cast lip for an excavating bucket defined by at least one cast body having a length to extend between sidewalls of the bucket, the lip being composed of a ferrous alloy having at least 7-10% chromium by weight and 0.12% or less carbon by weight, and a primarily martensitic structure, wherein the ferrous alloy is melted and the molten alloy is fed into a mold to form the alloy into a lip, and the alloy is hardened to form the martensitic structure.
Dependencies are inferred from the claim text.