JP2011106587A - 木ねじ - Google Patents
木ねじ Download PDFInfo
- Publication number
- JP2011106587A JP2011106587A JP2009262854A JP2009262854A JP2011106587A JP 2011106587 A JP2011106587 A JP 2011106587A JP 2009262854 A JP2009262854 A JP 2009262854A JP 2009262854 A JP2009262854 A JP 2009262854A JP 2011106587 A JP2011106587 A JP 2011106587A
- Authority
- JP
- Japan
- Prior art keywords
- end side
- wood screw
- drill
- base end
- shaft portion
- 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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- 239000002023 wood Substances 0.000 title claims abstract description 76
- 238000005520 cutting process Methods 0.000 claims description 56
- 230000001154 acute effect Effects 0.000 claims description 9
- 238000005336 cracking Methods 0.000 abstract description 14
- 238000010276 construction Methods 0.000 description 10
- 230000001141 propulsive effect Effects 0.000 description 9
- 230000002265 prevention Effects 0.000 description 8
- 238000003825 pressing Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/001—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed
- F16B25/0015—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed the material being a soft organic material, e.g. wood or plastic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
- F16B25/0042—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw
- F16B25/0047—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw the ridge being characterised by its cross-section in the plane of the shaft axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
- F16B25/0042—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw
- F16B25/0057—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw the screw having distinct axial zones, e.g. multiple axial thread sections with different pitch or thread cross-sections
- F16B25/0063—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw the screw having distinct axial zones, e.g. multiple axial thread sections with different pitch or thread cross-sections with a non-threaded portion on the shaft of the screw
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
- F16B25/0084—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by geometric details of the tip
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/10—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws
- F16B25/106—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws by means of a self-piercing screw-point, i.e. without removing material
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Wood Science & Technology (AREA)
- Connection Of Plates (AREA)
Abstract
【解決手段】螺旋状のねじ山9が形成された軸部3と、軸部3の先端側に形成されたドリル部7と、軸部3の基端側に形成された頭部5とを備えた木ねじ1Aにおいて、ドリル部7は、円錐状の芯部15と、芯部15に形成された螺旋状のドリル刃17と、を有し、ドリル刃17は、軸部3の軸線Laに沿った断面形状において、芯部15に連絡する先端側谷部17a、基端側谷部17bおよび頂部17cとを有し、軸線Laに直交し、且つ頂部17cを通る仮想平面Paを基準にして基端側谷部17bは仮想平面Paよりも先端側に形成されていることを特徴とする。
【選択図】図4
Description
(第1実施形態)
(第2実施形態)
Claims (5)
- 螺旋状のねじ山が形成された軸部と、前記軸部の先端側に形成された切削部と、前記軸部の基端側に形成された頭部とを備えた木ねじにおいて、
前記切削部は、
円錐状の芯部と、前記芯部に形成された螺旋状の切刃部と、を有し、
前記切刃部は、
前記軸部の軸線に沿った断面形状において、前記芯部に連絡する先端側谷部及び基端側谷部と、前記芯部から最も離れた頂部とを有し、前記軸線に直交し、且つ前記頂部を通る仮想平面を基準にして、前記基端側谷部は前記仮想平面上若しくは前記仮想平面よりも先端側に形成されていることを特徴とする木ねじ。 - 前記切刃部は、前記頂部と前記基端側谷部とを結ぶ直線状の追い側フランク部を更に有し、前記追い側フランク部に沿った仮想直線と前記軸線との間で形成される挟角のうち、前記基端側の挟角は鋭角になることを特徴とする請求項1記載の木ねじ。
- 前記切削部の前記切刃部のピッチは、前記軸部の前記ねじ山のピッチよりも大きいことを特徴とする請求項1または2記載の木ねじ。
- 前記切刃部は複数条に形成されていることを特徴とする請求項1〜3のいずれか一項記載の木ねじ。
- 前記切刃部は二条に形成され、前記軸部のねじ山は二条に形成されていることを特徴とする請求項4記載の木ねじ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009262854A JP5213836B2 (ja) | 2009-11-18 | 2009-11-18 | 木ねじ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009262854A JP5213836B2 (ja) | 2009-11-18 | 2009-11-18 | 木ねじ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011106587A true JP2011106587A (ja) | 2011-06-02 |
JP5213836B2 JP5213836B2 (ja) | 2013-06-19 |
Family
ID=44230283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009262854A Active JP5213836B2 (ja) | 2009-11-18 | 2009-11-18 | 木ねじ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5213836B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015520832A (ja) * | 2012-05-10 | 2015-07-23 | シンプソン ストロング タイ カンパニー インコーポレーテッド | 複数のねじ領域を持つ留め具 |
US11181138B2 (en) | 2013-03-26 | 2021-11-23 | Simpson Strong-Tie Company, Inc. | Variable thread knurl fastener |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6462334B2 (ja) * | 2014-11-25 | 2019-01-30 | シネジック株式会社 | 木ねじ |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS444001Y1 (ja) * | 1966-04-08 | 1969-02-14 | ||
JPS5219561U (ja) * | 1975-07-31 | 1977-02-12 | ||
JPS57190116U (ja) * | 1981-05-14 | 1982-12-02 | ||
JP2006144890A (ja) * | 2004-11-18 | 2006-06-08 | Higashi Nippon Power Fastening Kk | 木ネジ |
JP2007132398A (ja) * | 2005-11-09 | 2007-05-31 | Crown Seimitsu Kogyo Kk | ねじ部品、雄ねじ部品の製造方法および転造ダイス |
-
2009
- 2009-11-18 JP JP2009262854A patent/JP5213836B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS444001Y1 (ja) * | 1966-04-08 | 1969-02-14 | ||
JPS5219561U (ja) * | 1975-07-31 | 1977-02-12 | ||
JPS57190116U (ja) * | 1981-05-14 | 1982-12-02 | ||
JP2006144890A (ja) * | 2004-11-18 | 2006-06-08 | Higashi Nippon Power Fastening Kk | 木ネジ |
JP2007132398A (ja) * | 2005-11-09 | 2007-05-31 | Crown Seimitsu Kogyo Kk | ねじ部品、雄ねじ部品の製造方法および転造ダイス |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015520832A (ja) * | 2012-05-10 | 2015-07-23 | シンプソン ストロング タイ カンパニー インコーポレーテッド | 複数のねじ領域を持つ留め具 |
US10480559B2 (en) | 2012-05-10 | 2019-11-19 | Simpson Strong-Tie Company, Inc. | Fastener with head cutting structure |
US11181138B2 (en) | 2013-03-26 | 2021-11-23 | Simpson Strong-Tie Company, Inc. | Variable thread knurl fastener |
Also Published As
Publication number | Publication date |
---|---|
JP5213836B2 (ja) | 2013-06-19 |
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