The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 09, 2010
Filed:
Nov. 21, 2007
Applicant:
Steven Weaver, Fletcher, AU;
Inventor:
Steven Weaver, Fletcher, AU;
Assignee:
Sandvik Intellectual Property AB, Sandviken, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 31/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cutting pick comprising a cutting tipformed such as from SiC-D and a metal pick body. The pick bodyhas a greater coefficient of thermal expansion than the cutting tip. The pick bodyincludes a generally cylindrical cavitywithin which is received a generally cylindrical anchor portion. The tipincludes a coatingbonded to the outer surface of the anchor portion. An annulusis left between the coatingand the cavitywithin which is a solder or braze material which bonds to each of the coatingand the cavity. The pick bodyemploys the difference in thermal expansion to exert pressure on the anchor portionto fix the tipto the pick body