US Patent 7997661 Tapered bore in a pick
Patent 7997661 was granted and assigned to Schlumberger on August, 2011 by the United States Patent and Trademark Office.
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Patent abstract
In one aspect of the present invention, a high impact resistant excavation pick having a super hard material is bonded to a cemented metal carbide substrate at a non-planar interface. The cemented metal carbide substrate is bonded to a front end of a cemented metal carbide frustum. A tapered bore is formed in the base end of the carbide frustum opposite the front end and a steel shank with a tapered interface is fitted into the tapered bore.
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US Patent 07997661 Tapered bore in a pick US Patent 7997661 Tapered bore in a pick
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Patent Number
0799766100
Patent Number
799766100
Edits on 27 Mar, 2023
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
079976610
Date of Patent
August 16, 2011
0Patent Application Number
117732710
Date Filed
July 3, 2007
0Patent Primary Examiner
Edits on 27 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
079976610
Date of Patent
August 16, 2011
0Patent Application Number
117732710
Date Filed
July 3, 2007
0Patent Primary Examiner
Edits on 8 Dec, 2021
Golden AI
Edits made to:
Infobox (+8 properties)
US Patent 07997661 Tapered bore in a pick
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07997661
Date of patent
August 16, 2011
Patent application number
11773271
Date Filed
July 3, 2007
Patent primary examiner
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