Throw away tip for cutting tools

- NGK Spark Plug Co., Ltd.
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Description

FIG. 1 is a perspective view of the front, top and one side of a throw away tip for cutting tools showing a first embodiment of our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 4 is a side elevational view of said one side thereof, the opposite side being a mirror image thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a diagonal elevational view of an acute angle corner thereof, the opposite diagonal view being a mirror image thereof;

FIG. 7 is a perspective view of the top, front and one side of a second embodiment thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 10 is a side elevational view of said one side thereof, the opposite side being a mirror image thereof;

FIG. 11 is a bottom plan view thereof;

FIG. 12 is a diagonal elevational view of an acute angle corner thereof, the opposite diagonal view being a mirror image thereof;

FIG. 13 is a perspective view of the top, front and one side of a third embodiment thereof;

FIG. 14 is a top plan view thereof;

FIG. 15 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 16 is a side elevational view of said one side thereof, the opposite side being a mirror image thereof;

FIG. 17 is a bottom plan view thereof;

FIG. 18 is a diagonal elevational view of an acute angle corner thereof, the opposite diagonal view being a mirror image thereof;

FIG. 19 is a perspective view of the top, front and one side of a fourth embodiment thereof;

FIG. 20 is a top plan view thereof;

FIG. 21 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 22 is a side elevational view of said one side thereof, the opposite side being a mirror image thereof;

FIG. 23 is a bottom plan view thereof; and,

FIG. 24 is a diagonal elevational view of an acute angle corner thereof, the opposite diagonal view being a mirror image thereof.

Referenced Cited
U.S. Patent Documents
D258659 March 24, 1981 Nystrom et al.
4214847 July 29, 1980 Kraemer
4778311 October 18, 1988 Niemi
4890961 January 2, 1990 Carl et al.
Foreign Patent Documents
617803 March 1994 JPX
615910 March 1994 JPX
Patent History
Patent number: D401253
Type: Grant
Filed: Jun 30, 1997
Date of Patent: Nov 17, 1998
Assignee: NGK Spark Plug Co., Ltd. (Nagoya)
Inventors: Takashi Inayama (Aichi), Tatsuji Kinukawa (Aichi)
Primary Examiner: Antoine Duval Davis
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas, PLLC
Application Number: 0/73,837
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)
International Classification: 1509;