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US 5,091,264 AGranted
Welded bimetallic sawblade or metal saw band
AssigneeBohler Ges. m.b.H.
InventorsManfred Daxelmueller, Dieter Doeberl, Gerhard Kraxner
Life of this patent
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Abstract
A bimetallic saw blade or band saw includes a support strip (1) and a tool steel top layer (2) of high speed tool steel and sawteeth (6) in at least the top layer. The support strip is martensitically hardenable maraging steel having a maximum carbon concentration of 0.05 wt. % and a content of alloying elements of at least 10 wt. %.
Claims20
A welded bimetallic saw blade or metal saw band, comprising:
- a support strip comprising a martensitically hardenable maraging steel containing a maximum carbon content of 0.05% by weight and a content of alloying elements of at least 10% by weight;
- a top layer of high speed tool steel metallurgically welded along at least one surface thereof to at least one surface of said support strip;
- and
- sawteeth in at least said top layer.
1 more element
Dependencies are inferred from the claim text.