Laminated guidebar

Details Laminated guidebar Laminated guidebar

1989-11-29

1990-10-30

Watts, Douglas D.

Cutlery

Cutting tools

Saw

30383, B23D 5702

Patent

active

049659340

ABSTRACT:
A guidebar for powered saws comprises three plates joined by spot welding, where the outer plates are made from a hardenable steel with carbon content over 0.5 percent without boron and the middle plate from a boron alloyed steel with a carbon content lower than 0.25 percent, thus simultaneously achieving high wear resistance at the chain groove, high strength at the spot welds and high resistance to bending.

REFERENCES:
patent: 4641432 (1987-02-01), Kume

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