JP5830304B2 - ラグスクリューの木製構造部材螺着方法 - Google Patents
ラグスクリューの木製構造部材螺着方法 Download PDFInfo
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- JP5830304B2 JP5830304B2 JP2011180538A JP2011180538A JP5830304B2 JP 5830304 B2 JP5830304 B2 JP 5830304B2 JP 2011180538 A JP2011180538 A JP 2011180538A JP 2011180538 A JP2011180538 A JP 2011180538A JP 5830304 B2 JP5830304 B2 JP 5830304B2
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- lag screw
- hole
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- tap
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- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 239000002313 adhesive film Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
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- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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Landscapes
- Joining Of Building Structures In Genera (AREA)
Description
Claims (1)
- 木製構造部材の木口から該構造部材長手方向に延びる下孔にラグスクリューを螺着させる方法において、
前記木製構造部材は、杉といった春材の粗い木種の長尺材であり、
前記下孔は有底長孔であって、前記ラグスクリューの谷径に等しいかそれより大きいサイズの外径をもったドリルによって形成され、
形成されたその下孔には、前記ラグスクリューとねじピッチは同じであるが、谷径はラグスクリューの谷径と等しいかそれよりは大きいサイズであり、外径はラグスクリューの外径より大きくしたサイズのタップが立てられ、
下孔に形成された螺旋溝間の円筒状壁面における粗質な春材をはじめ春材よりも硬質の秋材もかき乱しにより削り取りつつ該タップを引き抜き、
タップ抜け有底孔の開口近傍部に接着剤を注入し、
前記ラグスクリューをタップ抜け有底孔に螺進させつつラグスクリュー先端部により前記接着剤を孔内で押散して、タップ抜け有底孔とラグスクリューとの間に接着剤を充満させ、
かき乱し面に膠着して形成された接着剤固化層でもってねじ抜け耐力の向上が図られるとともに、タップ抜け有底孔内にラグスクリューの歯面との間にガタの生じない雌ねじが形成され、前記下孔にラグスクリューを不動状態にしておくことができるようにしたことを特徴とするラグスクリューの木製構造部材螺着方法。
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JP2011180538A JP5830304B2 (ja) | 2011-08-22 | 2011-08-22 | ラグスクリューの木製構造部材螺着方法 |
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JP2011180538A JP5830304B2 (ja) | 2011-08-22 | 2011-08-22 | ラグスクリューの木製構造部材螺着方法 |
Publications (2)
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JP2013044345A JP2013044345A (ja) | 2013-03-04 |
JP5830304B2 true JP5830304B2 (ja) | 2015-12-09 |
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JP2011180538A Active JP5830304B2 (ja) | 2011-08-22 | 2011-08-22 | ラグスクリューの木製構造部材螺着方法 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106949130A (zh) * | 2017-04-25 | 2017-07-14 | 郑州云海信息技术有限公司 | 一种螺丝紧固件以及紧固系统 |
JP2020066955A (ja) * | 2018-10-26 | 2020-04-30 | 株式会社エヌ・シー・エヌ | ラグスクリューボルトの埋設方法、同方法による木造建築物の構造躯体の接合構造及び木造建築物 |
JP6885621B2 (ja) * | 2019-06-06 | 2021-06-16 | 木構造技研有限会社 | ラグスクリューボルト及びその木質材への埋設方法 |
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