Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUSD357485 S
Publication typeGrant
Application numberUS 29/011,880
Publication dateApr 18, 1995
Filing dateAug 18, 1993
Priority dateFeb 24, 1993
Publication number011880, 29011880, US D357485 S, US D357485S, US-S-D357485, USD357485 S, USD357485S
InventorsMichael Mattsson, Goran Strand, Stig-Ake Brolund
Original AssigneeSandvik Ab
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Insert for rock drilling bits
US D357485 S
Abstract  available in
Images(1)
Previous page
Next page
Claims(1)
  1. The ornamental design for insert for rock drilling bits, as shown and described.
Description

FIG. 1 is a bottom view of an insert for rock drilling bits showing our new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof; and,

FIG. 4 is a top view thereof showing the cutting tip.

The other two sides are not shown as they are identical to the right and left sides as shown.

Non-Patent Citations
Reference
1Certificate of Correction for U.S. Pat. No. 4,776,413.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US8215420Feb 6, 2009Jul 10, 2012Schlumberger Technology CorporationThermally stable pointed diamond with increased impact resistance
US8434573Aug 6, 2009May 7, 2013Schlumberger Technology CorporationDegradation assembly
US8540037Apr 30, 2008Sep 24, 2013Schlumberger Technology CorporationLayered polycrystalline diamond
US8567532Nov 16, 2009Oct 29, 2013Schlumberger Technology CorporationCutting element attached to downhole fixed bladed bit at a positive rake angle
US8590644Sep 26, 2007Nov 26, 2013Schlumberger Technology CorporationDownhole drill bit
US8622155Jul 27, 2007Jan 7, 2014Schlumberger Technology CorporationPointed diamond working ends on a shear bit
US8701799Apr 29, 2009Apr 22, 2014Schlumberger Technology CorporationDrill bit cutter pocket restitution
US8714285Nov 16, 2009May 6, 2014Schlumberger Technology CorporationMethod for drilling with a fixed bladed bit
US8931854Sep 6, 2013Jan 13, 2015Schlumberger Technology CorporationLayered polycrystalline diamond
US9051795Nov 25, 2013Jun 9, 2015Schlumberger Technology CorporationDownhole drill bit
US9068410Jun 26, 2009Jun 30, 2015Schlumberger Technology CorporationDense diamond body
US9366089Oct 28, 2013Jun 14, 2016Schlumberger Technology CorporationCutting element attached to downhole fixed bladed bit at a positive rake angle
US20050257963 *May 20, 2004Nov 24, 2005Joseph TuckerSelf-Aligning Insert for Drill Bits
US20080035387 *Sep 26, 2007Feb 14, 2008Hall David RDownhole Drill Bit
US20090133938 *Feb 6, 2009May 28, 2009Hall David RThermally Stable Pointed Diamond with Increased Impact Resistance
US20090273224 *Apr 30, 2008Nov 5, 2009Hall David RLayered polycrystalline diamond
US20090294182 *Aug 6, 2009Dec 3, 2009Hall David RDegradation Assembly
Classifications
U.S. ClassificationD15/139