Cutting by use of rotating axially moving tool – Tool or tool with support – With pitch-stabilizing ridge
Reexamination Certificate
2006-12-19
2006-12-19
Carter, Monica (Department: 3722)
Cutting by use of rotating axially moving tool
Tool or tool with support
With pitch-stabilizing ridge
C408S215000
Reexamination Certificate
active
07150588
ABSTRACT:
A thread-forming tap includes an elongated body having, at first end, a connector portion, and having at a second end, a thread-forming portion. The thread-forming portion includes at least one thread-forming helical thread exhibiting a non-circular cross-section having at least three lobes for plastically deforming an interior wall of a workpiece while forming an internal thread therein. A thread relief portion formed by a helical truncated thread, is disposed between the thread-forming thread and a terminal end of the body. Disposed at the end of the elongated body is at least one radially extending cutting edge for cutting parts of the workpiece interior wall.
REFERENCES:
patent: 150346 (1874-04-01), Morgan
patent: 218845 (1879-08-01), Weir
patent: 310462 (1885-01-01), Patten
patent: 662064 (1900-11-01), Ehmke
patent: 686278 (1901-11-01), Fette
patent: 3661471 (1972-05-01), Simonffy
patent: 5487626 (1996-01-01), Von Holst et al.
patent: 5562371 (1996-10-01), Reed
patent: 5664915 (1997-09-01), Hawke
patent: 5725336 (1998-03-01), Vilmanyi et al.
patent: 5797710 (1998-08-01), Sawabe et al.
patent: 6213693 (2001-04-01), Kato
patent: 6217267 (2001-04-01), Sugano et al.
patent: 6499920 (2002-12-01), Sawabe
patent: 6514148 (2003-02-01), Glimpel et al.
patent: 6685573 (2004-02-01), Hikosaka et al.
patent: 33 07 555 (1984-09-01), None
patent: 39 34 621 (1991-04-01), None
patent: 40 03 257 (1991-08-01), None
patent: 0 767 024 (1997-04-01), None
patent: 0 953 396 (1999-11-01), None
patent: 61152322 (1986-07-01), None
patent: 11019825 (1999-01-01), None
patent: 2001138138 (2001-05-01), None
patent: 2142867 (1999-12-01), None
Carter Monica
Drinker Biddle & Reath LLP
Sandvik Intellectual Property AB
Williams J
LandOfFree
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