JPH0229295Y2 - - Google Patents
Info
- Publication number
- JPH0229295Y2 JPH0229295Y2 JP8545586U JP8545586U JPH0229295Y2 JP H0229295 Y2 JPH0229295 Y2 JP H0229295Y2 JP 8545586 U JP8545586 U JP 8545586U JP 8545586 U JP8545586 U JP 8545586U JP H0229295 Y2 JPH0229295 Y2 JP H0229295Y2
- Authority
- JP
- Japan
- Prior art keywords
- self
- screw
- head
- screw shaft
- protruding piece
- 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.)
- Expired
Links
- 238000005553 drilling Methods 0.000 claims description 20
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 description 7
- 229910052602 gypsum Inorganic materials 0.000 description 5
- 239000010440 gypsum Substances 0.000 description 5
- 239000011120 plywood Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000011505 plaster Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 241001272720 Medialuna californiensis Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Dowels (AREA)
- Drilling Tools (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8545586U JPH0229295Y2 (US20080094685A1-20080424-C00004.png) | 1986-06-06 | 1986-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8545586U JPH0229295Y2 (US20080094685A1-20080424-C00004.png) | 1986-06-06 | 1986-06-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62196917U JPS62196917U (US20080094685A1-20080424-C00004.png) | 1987-12-15 |
| JPH0229295Y2 true JPH0229295Y2 (US20080094685A1-20080424-C00004.png) | 1990-08-07 |
Family
ID=30940876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8545586U Expired JPH0229295Y2 (US20080094685A1-20080424-C00004.png) | 1986-06-06 | 1986-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0229295Y2 (US20080094685A1-20080424-C00004.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110064540A1 (en) * | 2009-09-17 | 2011-03-17 | Mirco Walther | Screw having underside cutters and pockets |
| US11105361B2 (en) * | 2017-11-03 | 2021-08-31 | The Hillman Group, Inc. | Screw-type fastener |
-
1986
- 1986-06-06 JP JP8545586U patent/JPH0229295Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62196917U (US20080094685A1-20080424-C00004.png) | 1987-12-15 |
