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The ornamental design for an asymmetrical button insert for rock drilling, as shown. |
FIG. 1 is a right side view of an asymmetrical button insert for rock drilling showing our new design;
FIG. 2 is a side view of the asymmetrical button insert for rock drilling taken at 90° of the view of FIG. 1;
FIG. 3 is a front end view of the asymmetrical button insert for rock drilling;
FIG. 4 is a perspective view, taken from the right side and sightly above, of the asymmetrical button insert for rock drilling; and,
FIG. 5 is a perspective view showing the opposite side of the asymmetrical button insert for rock drilling shown in FIG. 4.
Fischer, Udo, Hartzell, Torbjorn, Karki, Kauko
Patent | Priority | Assignee | Title |
11655681, | Dec 06 2018 | Halliburton Energy Services, Inc.; Halliburton Energy Services, Inc | Inner cutter for drilling |
D436799, | Jun 11 1999 | Egg knot twist roll maker | |
D712941, | Jun 27 2012 | Diamond cutter | |
D842708, | Jun 09 2017 | Tomia Beauty Brands, LLC | Cosmetics case |
D882701, | Jan 23 2019 | P&P Imports LLC | Game piece for a table game |
D911399, | Dec 06 2018 | Halliburton Energy Services, Inc.; Halliburton Energy Services, Inc | Innermost cutter for a fixed-cutter drill bit |
Patent | Priority | Assignee | Title |
4359335, | Jun 05 1980 | Smith International, Inc. | Method of fabrication of rock bit inserts of tungsten carbide (WC) and cobalt (Co) with cutting surface wear pad of relative hardness and body portion of relative toughness sintered as an integral composite |
4722405, | Oct 01 1986 | Halliburton Energy Services, Inc | Wear compensating rock bit insert |
5172777, | Sep 26 1991 | Smith International, Inc. | Inclined chisel inserts for rock bits |
5172779, | Nov 26 1991 | Smith International, Inc.; SMITH INTERNATIONAL, INC A CORP OF DELAWARE | Radial crest insert |
5421424, | Jun 09 1994 | Smith International, Inc. | Bowed out chisel insert for rock bits |
D357485, | Feb 24 1993 | Sandvik Intellectual Property Aktiebolag | Insert for rock drilling bits |
D357486, | Feb 24 1993 | Sandvik Intellectual Property Aktiebolag | Insert for rocking drilling bits |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 31 1995 | FISCHER, UDO | Sandvik AB | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007432 | /0137 | |
Mar 31 1995 | HARTZELL, TORBJORN | Sandvik AB | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007432 | /0137 | |
Apr 04 1995 | KARKI, KAUKO | Sandvik AB | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007432 | /0137 | |
Apr 12 1995 | Sandvik AB | (assignment on the face of the patent) | / | |||
May 16 2005 | Sandvik AB | SANDVIK INTELLECTUAL PROPERTY HB | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016290 | /0628 | |
Jun 30 2005 | SANDVIK INTELLECTUAL PROPERTY HB | Sandvik Intellectual Property Aktiebolag | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016621 | /0366 |
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