Number | Date | Country | Kind |
---|---|---|---|
4-125541 | Apr 1992 | JPX | |
4-142220 | May 1992 | JPX | |
4-182511 | Jul 1992 | JPX |
This application is a continuation of Ser. No. 08/361,030 filed Dec. 21, 1994 now U.S. Pat. No. 5,643,658 which is a continuation of Ser. No. 08/039,976 filed Mar. 30, 1993 now abandoned.
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3690962 | Rudy | Sep 1972 | |
3909895 | Abrahamson et al. | Oct 1975 | |
4497874 | Hale | Feb 1985 | |
4610931 | Nemeth et al. | Sep 1986 | |
4698266 | Buljan et al. | Oct 1987 | |
4743515 | Fischer et al. | May 1988 | |
4828612 | Yohe | May 1989 | |
5066553 | Yoshimura et al. | Nov 1991 | |
5250367 | Santhanam et al. | Oct 1993 |
Number | Date | Country |
---|---|---|
0127416 | May 1984 | EPX |
0200991 | Nov 1986 | EPX |
0337696 | Oct 1989 | EPX |
0560212 | Sep 1993 | EPX |
55-83517 | Jun 1980 | JPX |
1133995 | Nov 1968 | GBX |
2095702 | Oct 1982 | GBX |
Entry |
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1979, Powder and Powder Metallurgy, vol. 26, No. 6, H. Suzuki et al. "Effects of a Small Amount of Addition-Carbides on High Temperature Transverse-Rupture Strength of WC-Co Cemented Carbide". |
Transactions of the Japan Institute of Metals, vol. 45, No. 1, 1981 "The .beta.-Free Layer Formed Near The Surface of Sintered WC-.beta.-Co Alloy Containing Nitrogen", by H. Suzuki et al., pp. 95-99. |
"Kinetics of Compositional Modification of (W, Ti)C-WC-Co Alloy Surfaces" in Materials Science and Engineering A105/106 (1988), pp. 225 to 231, by Schwarzkopf et al. |
Schwarzkopf et al. "Cemented Carbides"; pp. 136-138, 1960. |
The .beta.-Free Layer Formed Near the Surface of Vacuum-Sintered WC-.beta.-Co Alloys Containing Nitrogen; by Suzuki et al., Transactions of the Japan Institute of Metals. vol. 22, No. 11 (1981), pp. 694-700. |
Number | Date | Country | |
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Parent | 361030 | Dec 1994 | |
Parent | 039976 | Mar 1993 |