Saw blades

Details Saw blades Saw blades

2006-11-21

2006-11-21

Ashley, Boyer D. (Department: 3724)

Metal tools and implements, making

Saw-making or furbishing device or machine

Tooth-inserters

C083S835000, C083S846000, C083S013000, C076S112000

Reexamination Certificate

active

07137316

ABSTRACT:
A saw blade is formed from a blank which has an edge. Inserts, such as tungsten carbide are inserted in apertures in the blank and a finishing cut is then made along the line to produce a series of teeth, each having a point within the body of the insert, and thus formed by the relatively hard material of the insert. Fingers of the inserts provide a root which holds the insert in position during use.

REFERENCES:
patent: 2510462 (1950-06-01), Christenson
patent: 3104562 (1963-09-01), Kolesh
patent: 3589215 (1971-06-01), Bullard
patent: 4810143 (1989-03-01), Muller
patent: 4889025 (1989-12-01), Collett
patent: 5427000 (1995-06-01), Hellbergh
patent: 5743163 (1998-04-01), Lavinder
patent: 5946985 (1999-09-01), Carlsen et al.
patent: 5947805 (1999-09-01), Van Osenbruggen
patent: 0 361 875 (1990-04-01), None
patent: 763798 (1956-12-01), None
patent: 950902 (1964-02-01), None

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