JPH0248606U - - Google Patents
Info
- Publication number
- JPH0248606U JPH0248606U JP12725888U JP12725888U JPH0248606U JP H0248606 U JPH0248606 U JP H0248606U JP 12725888 U JP12725888 U JP 12725888U JP 12725888 U JP12725888 U JP 12725888U JP H0248606 U JPH0248606 U JP H0248606U
- Authority
- JP
- Japan
- Prior art keywords
- screw
- cut
- plate
- lightweight concrete
- shaped part
- 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
- 238000007790 scraping Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims 1
- 239000002023 wood Substances 0.000 description 3
Landscapes
- Connection Of Plates (AREA)
- Insertion Pins And Rivets (AREA)
Description
図面は本考案を木ネジに応用した例を示し、第
１図は斜視図、第２図は使用状態の正断面図であ
る。
１０……木ネジ、１１……ネジ頭、１２……ネ
ジ軸、１３……ネジ山、１４……テーパ部、１５
……板状部、１６……ネジ回し係合部、１７，１
７……削取部、１８，１８……切れ目、１９……
先端縁、２０……間隙、２１……軽量コンクリー
ト板、２２……木材。
The drawings show an example in which the present invention is applied to a wood screw, with FIG. 1 being a perspective view and FIG. 2 being a front sectional view of the device in use. 10... Wood screw, 11... Screw head, 12... Screw shaft, 13... Screw thread, 14... Taper part, 15
...Plate-shaped part, 16...Screwdriver engaging part, 17,1
7... scraping part, 18, 18... cut, 19...
Tip edge, 20...Gap, 21...Lightweight concrete plate, 22...Wood.
Claims (1)
ンクリート表面を押さえる板状部と、この板状部
に形成され、ネジ回しと係合し回転力を受けるネ
ジ回し係合部と、前記板状部周端に切れ目を形成
し、この切れ目の一方側部分をネジ軸方向に斜め
に折曲げ、切れ目部分に間隙を形成してなり、ネ
ジ込んだとき、先端縁が軽量コンクリート表面に
食込んで削り、削り粉を切れ目から排出しつつ軽
量コンクリート表面内に埋込ませる削取部とを有
する軽量コンクリート用ネジのネジ頭。 a plate-shaped part formed at the end of the screw shaft, which spreads around and presses the lightweight concrete surface; a screwdriver engaging part formed in this plate-shaped part, which engages with a screwdriver and receives rotational force; and the plate-shaped part. A cut is formed at the circumferential edge of the screw, and one side of the cut is bent diagonally in the direction of the screw axis to form a gap at the cut. A screw head for a lightweight concrete screw that has a scraping part that embeds it in the surface of lightweight concrete while expelling the scraping powder from the cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12725888U JPH0248606U (en) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12725888U JPH0248606U (en) | 1988-09-30 | 1988-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0248606U true JPH0248606U (en) | 1990-04-04 |
Family
ID=31379525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12725888U Pending JPH0248606U (en) | 1988-09-30 | 1988-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0248606U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014001770A (en) * | 2012-06-18 | 2014-01-09 | Pias Hanbai Kk | Screw for laminated material with surface layer of rubber sheet |
| JP2018189123A (en) * | 2017-04-28 | 2018-11-29 | 株式会社タナカ | Construction hardware |
-
1988
- 1988-09-30 JP JP12725888U patent/JPH0248606U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014001770A (en) * | 2012-06-18 | 2014-01-09 | Pias Hanbai Kk | Screw for laminated material with surface layer of rubber sheet |
| JP2018189123A (en) * | 2017-04-28 | 2018-11-29 | 株式会社タナカ | Construction hardware |