JP4727415B2 - タッピングねじ - Google Patents
タッピングねじ Download PDFInfo
- Publication number
- JP4727415B2 JP4727415B2 JP2005369855A JP2005369855A JP4727415B2 JP 4727415 B2 JP4727415 B2 JP 4727415B2 JP 2005369855 A JP2005369855 A JP 2005369855A JP 2005369855 A JP2005369855 A JP 2005369855A JP 4727415 B2 JP4727415 B2 JP 4727415B2
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- JP
- Japan
- Prior art keywords
- thread
- tapping screw
- board
- cutting blade
- tip
- 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.)
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- Connection Of Plates (AREA)
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Description
2 円錐形部
3 頭部
4 ねじ山
5 切込み刃
6 ねじれ突起
Claims (2)
- 先端に円錐形部を有し、後端に頭部が形成された断面丸形のストレート軸の外周に螺旋状のねじ山を形成したタッピングねじにおいて、
前記円錐形部の先端部外周に、前記ねじ山と同方向に捩じれる断面三角形の切込み刃を形成し、その切込み刃の高さを、長さ方向の中央部において高く、両端に至るに従って次第に低くなるようにし、その切込み刃と前記ねじ山の先端間には、前記円錐形部からストレート軸に至る範囲にねじ山のねじれ角よりねじれの大きい断面三角形の一対のねじれ突起を対向位置に設けたことを特徴とするタッピングねじ。 - 前記切込み刃のねじれ角を前記ねじ山のねじれ角より大きくした請求項1に記載のタッピングねじ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005369855A JP4727415B2 (ja) | 2005-12-22 | 2005-12-22 | タッピングねじ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005369855A JP4727415B2 (ja) | 2005-12-22 | 2005-12-22 | タッピングねじ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007170552A JP2007170552A (ja) | 2007-07-05 |
JP4727415B2 true JP4727415B2 (ja) | 2011-07-20 |
Family
ID=38297364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005369855A Active JP4727415B2 (ja) | 2005-12-22 | 2005-12-22 | タッピングねじ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4727415B2 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5392555U (ja) * | 1976-12-28 | 1978-07-28 | ||
JPS62130209U (ja) * | 1986-02-07 | 1987-08-17 | ||
JPH0165409U (ja) * | 1987-06-19 | 1989-04-26 | ||
JPH10220441A (ja) * | 1997-02-04 | 1998-08-21 | Wakai Sangyo Kk | タッピングねじ |
JP2005090518A (ja) * | 2003-09-11 | 2005-04-07 | Higashi Nippon Power Fastening Kk | 床用合板用の木ネジおよびその床締結構造 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5392555A (en) * | 1977-01-21 | 1978-08-14 | Nishihara Kankiyou Eisei Kenki | Aerator |
JPS62130209A (ja) * | 1985-11-29 | 1987-06-12 | Kobe Steel Ltd | スラグポツトの再生補修方法 |
JPS6465409A (en) * | 1987-09-04 | 1989-03-10 | Asahi Seimitsu Kk | Gradient adjusting device for laser gradient collimator |
-
2005
- 2005-12-22 JP JP2005369855A patent/JP4727415B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5392555U (ja) * | 1976-12-28 | 1978-07-28 | ||
JPS62130209U (ja) * | 1986-02-07 | 1987-08-17 | ||
JPH0165409U (ja) * | 1987-06-19 | 1989-04-26 | ||
JPH10220441A (ja) * | 1997-02-04 | 1998-08-21 | Wakai Sangyo Kk | タッピングねじ |
JP2005090518A (ja) * | 2003-09-11 | 2005-04-07 | Higashi Nippon Power Fastening Kk | 床用合板用の木ネジおよびその床締結構造 |
Also Published As
Publication number | Publication date |
---|---|
JP2007170552A (ja) | 2007-07-05 |
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