JPS5626242A - Detector for internal defect of metal plate material - Google Patents
Detector for internal defect of metal plate materialInfo
- Publication number
- JPS5626242A JPS5626242A JP10100479A JP10100479A JPS5626242A JP S5626242 A JPS5626242 A JP S5626242A JP 10100479 A JP10100479 A JP 10100479A JP 10100479 A JP10100479 A JP 10100479A JP S5626242 A JPS5626242 A JP S5626242A
- Authority
- JP
- Japan
- Prior art keywords
- face
- plate material
- metal plate
- opened
- press
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE: To secure a detection for the internal defect of the metal plate material which is practically harmful in the state of nearly the practical working strain, by forming the opened part by pressing the wedge-shaped blade of the rotary blade substance into the end face of the sample of the metal plate material.
CONSTITUTION: Metal plate material 1 flowed toward arrow X is cut and then held and fixed by holding members 2 and 3 after arrangement of sample end face 1b into a straight line. Then rotary blade substance 4 is shifted with adjustment into the direction of the plate thickness of face 1b of plate material 1, and then wedge- shaped blade 5 is set to the press-in position after selecting the area where the internal defects of face 1b are possibly integrated. At the same time, the press-in quantity to face 1b is set up. When substance 4 is shifted toward arrow Y, blade 5 is pressed into face 1b of plate material 1. Thus face 1b is opened into a V-shape. For plate material 1 thus opened, if the internal defect exists, opened press-in face 1c is split finely in the stratified form and in the direction of rolling or made uneven. These phenomena are observed through eyes to decide the presence or absence of internal defects A.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10100479A JPS5626242A (en) | 1979-08-08 | 1979-08-08 | Detector for internal defect of metal plate material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10100479A JPS5626242A (en) | 1979-08-08 | 1979-08-08 | Detector for internal defect of metal plate material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5626242A true JPS5626242A (en) | 1981-03-13 |
Family
ID=14289102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10100479A Pending JPS5626242A (en) | 1979-08-08 | 1979-08-08 | Detector for internal defect of metal plate material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5626242A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6747108B1 (en) | 1998-07-13 | 2004-06-08 | Daikin Industries, Ltd. | Modified polytetrafluoroethylene fine powder and process for preparing the same |
| US7009018B2 (en) | 2002-12-19 | 2006-03-07 | Asahi Glass Company, Limited | Tetrafluoroethylene copolymer |
| US8158260B2 (en) | 2006-06-02 | 2012-04-17 | Dupont Mitsui Fluorochemicals Co Ltd | Molding method and molded article of fluoropolymer with multilayered particulate structure |
-
1979
- 1979-08-08 JP JP10100479A patent/JPS5626242A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6747108B1 (en) | 1998-07-13 | 2004-06-08 | Daikin Industries, Ltd. | Modified polytetrafluoroethylene fine powder and process for preparing the same |
| US7009018B2 (en) | 2002-12-19 | 2006-03-07 | Asahi Glass Company, Limited | Tetrafluoroethylene copolymer |
| US8158260B2 (en) | 2006-06-02 | 2012-04-17 | Dupont Mitsui Fluorochemicals Co Ltd | Molding method and molded article of fluoropolymer with multilayered particulate structure |
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