Slitting saw

Details Slitting saw Slitting saw

2005-11-29

2005-11-29

Shoap, Allan N. (Department: 3724)

Cutting

Rotatable disc tool pair or tool and carrier

Means to rotate or oscillate tool

C083S469000, C409S178000

Reexamination Certificate

active

06968768

ABSTRACT:
The disclosure describes a slitting saw used to cut an opening in a pipe. The saw generally comprises a housing mounted on an XYZ positioning system, a drive assembly and a cutting blade. A motor is used to drive a gear train which creates rotating of the cutting blade. The cutting blade makes a bevel cut into the pipe which allows for a new piece to be welded into the window cut by the present invention.

REFERENCES:
patent: 974036 (1910-10-01), Leeuw
patent: 1830810 (1931-11-01), Russell
patent: 1937965 (1933-12-01), Johnson
patent: 1976107 (1934-10-01), Archea
patent: 2342829 (1944-02-01), Armitage
patent: 3232171 (1966-02-01), Hengehold
patent: 3709624 (1973-01-01), Blank
patent: 4585025 (1986-04-01), Hendrick
patent: 5709511 (1998-01-01), Esmailzadeh
patent: 6862946 (2005-03-01), Sumita et al.

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