Invention Grant
- Patent Title: Portable Brinell hardness tester
- Patent Title (中): 便携式布氏硬度计
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Application No.: US13222290Application Date: 2011-08-31
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Publication No.: US08590367B2Publication Date: 2013-11-26
- Inventor: Ernest L. Biddle
- Applicant: Ernest L. Biddle
- Applicant Address: US PA King of Prussia
- Assignee: King Tester Corporation
- Current Assignee: King Tester Corporation
- Current Assignee Address: US PA King of Prussia
- Agency: Fox Rothschild LLP
- Agent Charles N. Quinn
- Main IPC: G01N3/48
- IPC: G01N3/48 ; F16K17/00
Abstract:
A portable Brinell metal hardness tester has a test head mounted in a carriage, movable vertically along elevating screws, and includes an adjustable valve for relieving hydraulic pressure within the test head where the valve includes a stem, an interior member, and an intermediate member.
Public/Granted literature
- US20130047698A1 PORTABLE BRINELL HARDNESS TESTER Public/Granted day:2013-02-28
Information query
