Drill bit for percussive drilling

Description

FIG. 1 shows a front end view of a drill bit for percussive drilling showing angled front buttons that are raised above the gauge.

FIG. 2 shows a side view from a first side of the drill bit for percussive drilling in FIG. 1.

FIG. 3 shows a side view from a second side of the drill bit for percussive drilling in FIG. 1.

FIG. 4 shows a side view from a third side of the drill bit for percussive drilling in FIG. 1.

FIG. 5 shows a side view from a fourth side of the drill bit for percussive drilling in FIG. 1.

FIG. 6 shows a perspective view from the front and side of the drill bit for percussive drilling in FIG. 1; and,

FIG. 7 shows a back end view of the drill bit for percussive drilling in FIG. 1.

The broken lines in the drawings depict the boundaries of the claimed design and form no part thereof.

Claims

CLAIM We claim the ornamental design for a drill bit for percussive drilling, as shown and described.

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Inventors:	Hammargren; John (Jadraas, SE), Rindeskar; Andreas (Hofors, SE)
Applicant:	Name City State Country Type Hammargren; John Rindeskar; Andreas Jadraas Hofors N/A N/A SE SE
Assignee:	Sandvik Intellectual Property AB (Sandviken, SE)
Appl. No.:	D/431,473
Filed:	September 7, 2012

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Current U.S. Class:	D15/139
Current International Class:	1509
Field of Search:	;D8/70,86 ;D15/21,131,132,138,139,140 ;81/119,121.1,124.3,212.4,124.6,125,177.1,177.2,177.6,177.85,436 ;175/420.2,414-418,425,426,432-434

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References Cited [Referenced By]

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U.S. Patent Documents

4151889	May 1979	Lister
6658968	December 2003	Linden et al.
D496948	October 2004	Charland et al.
7296641	November 2007	Hadin et al.
7392863	July 2008	Bjork
D574403	August 2008	Brady
D611512	March 2010	Sundin
D611970	March 2010	Sundin
2002/0153174	October 2002	Linden et al.
2004/0040752	March 2004	Brandenberg et al.
2005/0011680	January 2005	Egerstrom
2006/0060389	March 2006	Hadin et al.
2006/0162965	July 2006	Hadin
2007/0137900	June 2007	Bjork

Foreign Patent Documents

	27 17 717		Oct 1978		DE
	196 30 639		Feb 1998		DE
	2 592 216		May 2013		EP
	WO 92/11436		Jul 1992		WO
	WO 03/031763		Apr 2003		WO

Other References

EPO Communication--European Search Report for European Patent Application No. 11 18 8761--Issued on Apr. 5, 2012. cited by applicant.

Primary Examiner: Palasik; Patricia
Attorney, Agent or Firm: Morgan, Lewis & Bockius LLP