Adjustable tungsten alloy pressing plate with slide balls on four edges of chute slide ways on same plane
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- 孙冬兰
- Publication Date
- 2016-01-06
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
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Abstract
Description
technical field
[0001] The present invention relates to a glass test pressure plate, classification number: G01N3 / 04, in particular to such a tungsten alloy adjustable pressure plate with sliding balls on four sides of a chute slideway and the same plane for testing the strength of glass, which can be enlarged or reduced in all directions. . Background technique
[0002] Glass is one of the oldest materials discovered and utilized by man. As early as 3,500 years ago, ancient Egypt had the technology of making simple glass objects, and in the tombs of the Western Zhou Dynasty in my country, man-made glass ornaments were also unearthed. With the development of science and technology, glass has developed particularly rapidly in the past one hundred years, and glass has become an indispensable material in human daily life. With the development of economy, the application of glass in all walks of life is more and more extensive. Glass can be used as glass curtain walls, glass ...