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:
May. 09, 2017
Filed:
Nov. 11, 2009
Prakash K. Mirchandani, Houston, TX (US);
V. Brian Shook, Waynesboro, PA (US);
Grayson L. Bowman, Chambersburg, PA (US);
Matthew D. Brown, Waynesboro, PA (US);
Prakash K. Mirchandani, Houston, TX (US);
V. Brian Shook, Waynesboro, PA (US);
Grayson L. Bowman, Chambersburg, PA (US);
Matthew D. Brown, Waynesboro, PA (US);
LANDIS SOLUTIONS LLC, Waynesboro, PA (US);
Abstract
A thread rolling die includes a thread rolling region comprising a working surface including a thread form. The thread rolling region of the thread rolling die comprises a sintered cemented carbide material having a hardness in the range of 78 HRA to 89 HRA. In certain embodiments, the thread rolling die may further include at least one non-cemented carbide piece metallurgically bonded to the thread rolling region in an area of the thread rolling region that does not prevent a workpiece from contacting the working surface, and wherein the non-cemented carbide piece comprises at least one of a metallic region and a metal matrix composite region. Methods of forming a thread rolling die as embodied herein are also disclosed.