Invention Grant
- Patent Title: Tools and related methods for cold working fluid ends
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Application No.: US15174428Application Date: 2016-06-06
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Publication No.: US10252398B2Publication Date: 2019-04-09
- Inventor: Daniel Spinner , Van Blasingame , Albert Johnson
- Applicant: SUPERIOR SHOT PEENING, INC.
- Applicant Address: US TX Houston
- Assignee: Superior Shot Peening, Inc.
- Current Assignee: Superior Shot Peening, Inc.
- Current Assignee Address: US TX Houston
- Agency: Hunton Andrews Kurth LLP
- Agent Gregory L. Porter
- Main IPC: B21D31/06
- IPC: B21D31/06 ; B24C1/10 ; C21D7/06 ; C21D8/00 ; B24C3/32 ; F04B53/00 ; F04B53/16 ; B24C11/00
Abstract:
A fluid end having a longitudinal bore less than about 36 inches in diameter has an internal surface that is cold-worked to have compressive stresses of at least 15 ksi (103.42 MPa) beneath the metal surface up to about 40 mils (1.016 mm).
Public/Granted literature
- US20170348826A1 TOOLS AND RELATED METHODS FOR COLD WORKING FLUID ENDS Public/Granted day:2017-12-07
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