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Publication numberUSD371374 S
Publication typeGrant
Application numberUS 29/037,416
Publication dateJul 2, 1996
Filing dateApr 12, 1995
Publication number037416, 29037416, US D371374 S, US D371374S, US-S-D371374, USD371374 S, USD371374S
InventorsUdo Fischer, Torbjorn Hartzell, Kauko Karki
Original AssigneeSandvik Ab
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Asymmetrical button insert for rock drilling
US D371374 S
Abstract  available in
Images(2)
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Claims(1)
  1. The ornamental design for an asymmetrical button insert for rock drilling, as shown.
Description

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 to 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 slightly 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.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US9051795Nov 25, 2013Jun 9, 2015Schlumberger Technology CorporationDownhole drill bit
US9068410Jun 26, 2009Jun 30, 2015Schlumberger Technology CorporationDense diamond body
Classifications
U.S. ClassificationD15/139