Invention Grant
- Patent Title: Carbide stem press fit into a steel body of a pick
- Patent Title (中): 硬质合金刀柄压合在一个钢丝绳上
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Application No.: US11774227Application Date: 2007-07-06
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Publication No.: US07669938B2Publication Date: 2010-03-02
- Inventor: David R. Hall , John Bailey , Ronald B. Crockett
- Applicant: David R. Hall , John Bailey , Ronald B. Crockett
- Agent Tyson J. Wilde; Phillip W. Townsend, III
- Main IPC: E21C35/18
- IPC: E21C35/18
Abstract:
In one aspect of the present invention, a high impact resistant tool, 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 segment. A stem is formed in the base end of the carbide segment opposite the front end and the carbide stem is press fitted into bore of a steel body.
Public/Granted literature
- US20080169698A1 Carbide Stem Press Fit into a Steel Body of A Pick Public/Granted day:2008-07-17
Information query
