JP2000035017A - Drill screw for mounting corrugated sheet - Google Patents
Drill screw for mounting corrugated sheetInfo
- Publication number
- JP2000035017A JP2000035017A JP10206507A JP20650798A JP2000035017A JP 2000035017 A JP2000035017 A JP 2000035017A JP 10206507 A JP10206507 A JP 10206507A JP 20650798 A JP20650798 A JP 20650798A JP 2000035017 A JP2000035017 A JP 2000035017A
- Authority
- JP
- Japan
- Prior art keywords
- screw
- drill
- corrugated sheet
- drill screw
- corrugated
- 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
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000010079 rubber tapping Methods 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920005668 polycarbonate resin Polymers 0.000 description 2
- 239000004431 polycarbonate resin Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- F16B25/10—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws
- F16B25/103—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws by means of a drilling screw-point, i.e. with a cutting and material removing action
-
- 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
- F16B25/0031—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 screw being designed to be screwed into different materials, e.g. a layered structure or through metallic and wooden parts
-
- 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
-
- 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
- F16B25/0073—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 characterised by its pitch, e.g. a varying pitch
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、金属薄板製波板あ
るいはポリカーボネイト樹脂のように比較的軟質のプラ
スチック材料製波板を取付け固定するのに適した波板取
付け用ドリルねじに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a corrugated sheet mounting drill screw suitable for mounting and fixing a corrugated sheet made of a relatively soft plastic material such as a thin metal sheet or a polycarbonate resin.
【０００２】[0002]
【従来の技術】金属薄板製あるいはプラスチック材料製
の波板を家屋、倉庫、温室その他各種構築物の屋根材、
側壁材、間仕切り材等として取り付けるのに、シール付
き座金を組み付けたドリルねじが使用されている。ドリ
ルねじは、下穴あけ、タッピング及び締付け固定が一動
作で行なえるので、多数箇所での締付け固定が必要とさ
れる波板施工に適しているものである。2. Description of the Related Art Corrugated sheets made of thin metal sheets or plastic materials are used for roofing of houses, warehouses, greenhouses and other various structures.
A drill screw with a washer with a seal is used for mounting as a side wall material, a partition material or the like. The drill screw is suitable for corrugated sheet work which requires tightening and fixing at a number of places because drilling, tapping and tightening and fixing can be performed in one operation.
【０００３】図３は、従来のドリルねじ１を用いてプラ
スチック材料、例えばポリカーボネイト樹脂製の比較的
軟質の波板２１を溝形鋼などの金属製構造材２２に取付
け固定した状態を示している。ドリルねじ１は、ねじ素
材の軸部２の先端にドリル部３を有し、後端に締付け工
具の係合部５を設けた頭部４を有し、ドリル部３に続く
軸部２の外周にタッピンねじ部６が設けられており、首
下部分に波板２１の山部２１ａに添うように湾曲した座
金７とシールパッキン８が組み付けられている。座金７
の湾曲頂部には外側へ突曲させてシールパッキン８の収
容凹部９が形成されていると共に、該収容凹部９の中央
部位にドリルねじ１の挿通孔１０が設けられている。図
中、２３は補強サドルで、鉄板を半円筒形状のかまぼこ
形に曲げ加工して形成され、頂部の中央部位にドリルね
じ１の挿通孔２４が設けられている。該補強サドル２３
は、波板２１の山部２１ａと構造材２２との間に配設さ
れ、波板２１を構造材２２に取付け固定したのち、風圧
などの外力で波板２１の山部２１ａが変形するのを防止
するために設けられるものであり、特に風雨の強い地域
における比較的軟質のプラスチック材料製波板あるいは
金属薄板製波板による波板施工では、欠かすことができ
ない付属部品となっている。FIG. 3 shows a state in which a relatively soft corrugated plate 21 made of a plastic material, for example, a polycarbonate resin, is attached and fixed to a metal structural material 22 such as a channel steel using a conventional drill screw 1. . The drill screw 1 has a head portion 4 having a drill portion 3 at the front end of a shaft portion 2 made of a screw material, and a rear end provided with an engaging portion 5 of a tightening tool. A tapping screw portion 6 is provided on the outer periphery, and a washer 7 and a seal packing 8 that are curved so as to fit along the crest 21a of the corrugated plate 21 are attached to a portion below the neck. Washer 7
A concave portion 9 of the seal packing 8 is formed so as to be bent outward at the curved top portion, and an insertion hole 10 for the drill screw 1 is provided at a central portion of the concave portion 9. In the figure, reference numeral 23 denotes a reinforcing saddle, which is formed by bending an iron plate into a semi-cylindrical semi-cylindrical shape, and has an insertion hole 24 for the drill screw 1 at the center of the top. The reinforcing saddle 23
Is disposed between the crest 21a of the corrugated plate 21 and the structural member 22. After the corrugated plate 21 is fixed to the structural member 22, the crest 21a of the corrugated plate 21 is deformed by an external force such as wind pressure. This is an indispensable accessory in corrugating with a relatively soft plastic material corrugated sheet or metal sheet corrugated sheet particularly in an area with strong wind and rain.
【０００４】[0004]
【発明が解決しようとする課題】ところで、上記したド
リルねじ１を用いて波板２１を構造材２２に取付け固定
する場合、ドリル部３を波板２１の山部２１ａに当てが
って回転させ、山部２１ａに開口２５をあけ、続いてド
リル部３を補強サドル２３の挿通孔２４に挿通させる
が、このために山部２１ａの裏側に配設する補強サドル
２３を予め位置決めしておく必要がある。しかし、該補
強サドル２３は波板２１の裏側で構造材２２との間に配
設するので、その位置決め作業に二人の作業者が必要
で、しかも非常な手間を要し、波板施工に際して大きな
ネックになっていた。When the corrugated plate 21 is mounted and fixed to the structural member 22 by using the above-mentioned drill screw 1, the drill portion 3 is rotated by being applied to the peak 21a of the corrugated plate 21. An opening 25 is formed in the peak 21a, and then the drill 3 is inserted through the insertion hole 24 of the reinforcing saddle 23. For this purpose, the reinforcing saddle 23 disposed on the back side of the peak 21a needs to be positioned in advance. There is. However, since the reinforcing saddle 23 is disposed between the structural member 22 and the back side of the corrugated sheet 21, two operators are required for the positioning work, and it requires a great deal of labor. It was a big neck.
【０００５】本発明は、上記事情に鑑みてなされたもの
で、補強サドル２３を使用せずにドリルねじ自体で波板
の山部を係止保持して、施工後に風圧などの外力で波板
が変形するのを有効に防止できるようにした波板取付け
用ドリルねじを提供することを目的としている。The present invention has been made in view of the above circumstances, and does not use the reinforcing saddle 23 to lock and hold the crest of the corrugated sheet with the drill screw itself, and after construction, the corrugated sheet is subjected to external force such as wind pressure. It is an object of the present invention to provide a corrugated plate mounting drill screw that can effectively prevent the deformation of a corrugated plate.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に、本発明は次の技術的手段を講じたものである。To achieve the above object, the present invention employs the following technical means.
【０００７】すなわち、ねじ素材の軸部の先端にドリル
部を有し、後端に締付け工具の係合部を設けた頭部を有
し、前記ドリル部に続く前記軸部の外周にタッピンねじ
部を設けたドリルねじであって、前記頭部に近い前記軸
部の外周に、前記タッピンねじ部よりねじ径の大きい係
止用ねじ部が設けられていることを特徴とする。なお、
前記係止用ねじ部はピッチも前記タッピンねじ部のピッ
チより大きくして粗くすることが好ましい。[0007] That is, a head portion having a drill portion at the tip of a shaft portion of a screw material and an engagement portion of a fastening tool at a rear end, and a tapping screw on the outer periphery of the shaft portion following the drill portion. A drill screw provided with a portion, wherein a locking screw portion having a larger screw diameter than the tapping screw portion is provided on an outer periphery of the shaft portion close to the head. In addition,
It is preferable that the pitch of the locking screw portion is larger than the pitch of the tapping screw portion so as to be coarse.
【０００８】[0008]
【発明の実施の形態】以下、本発明の好適な実施の形態
について図面に基づいて説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings.
【０００９】図１は、本発明による波板取付け用ドリル
ねじ１１を示している。該ドリルねじ１１は、ねじ素材
の軸部１２の先端にドリル部１３を有し、後端に締付け
工具の係合部１５を設けた頭部１４を有し、ドリル部１
３に続く軸部１２の外周にタッピンねじ部１６が設けら
れている構成は、図３について説明した従来のドリルね
じ１と同じであるが、頭部１４に近い軸部１２の外周
に、タッピンねじ部１６よりねじ径及びピッチが大きい
粗いねじ山の係止用ねじ部１７が設けられている点に特
徴がある。FIG. 1 shows a drill screw 11 for mounting a corrugated sheet according to the present invention. The drill screw 11 has a drill portion 13 at the tip of a shaft portion 12 made of a screw material, and a head portion 14 provided with an engagement portion 15 of a tightening tool at a rear end.
The configuration in which the tapping screw portion 16 is provided on the outer periphery of the shaft portion 12 following the same as the conventional drill screw 1 described with reference to FIG. It is characterized in that a coarse screw thread 17 having a larger thread diameter and a larger pitch than the thread part 16 is provided.
【００１０】図２は、本発明によるドリルねじ１１の使
用例を示しており、図３に示した従来のドリルねじ１の
使用例と同一の構成部分については、同一の符号を付し
て説明は省略する。FIG. 2 shows an example of use of the drill screw 11 according to the present invention, and the same components as those of the example of use of the conventional drill screw 1 shown in FIG. Is omitted.
【００１１】ドリルねじ１１を用いて波板２１を構造材
２２に取付け固定するには、先ずドリル部１３を波板２
１の山部２１ａに当てがって回転させ、該山部２１ａに
開口２５をあける。続いて、開口２５を貫通したドリル
部１３が構造材２２に当接してねじ下穴を加工し、該下
穴にタッピンねじ部１６をねじ込んで締付け固定するこ
とにより、該ドリルねじ１１で波板２１を構造材２２に
取付け固定するものであるが、タッピンねじ部１６を構
造材２２にねじ込むに伴って、係止用ねじ部１７が波板
２１の開口２５にねじ込むように進入して、開口２５の
周縁部分２５ａが係止用ねじ部１７に係止保持される。
したがって、風圧などの外力によって波板２１、特にそ
の山部２１ａが変形し、開口２５を通じて風雨が侵入す
るのを有効に防止することができるものである。In order to attach and fix the corrugated sheet 21 to the structural material 22 using the drill screw 11, first, the drill portion 13 is attached to the corrugated sheet 2
An opening 25 is made in the ridge 21a by rotating the ridge 21a against the first ridge 21a. Subsequently, the drill portion 13 penetrating the opening 25 comes into contact with the structural material 22 to form a prepared screw hole, and the tapping screw portion 16 is screwed into the prepared hole and tightened and fixed. The tapping screw 16 is screwed into the structural material 22, and the locking screw 17 is inserted into the opening 25 of the corrugated plate 21 so as to be screwed into the opening 25. The peripheral edge portion 25 a of the locking member 25 is locked and held by the locking screw portion 17.
Therefore, it is possible to effectively prevent the corrugated plate 21, particularly its peak 21 a from being deformed by an external force such as wind pressure, and to prevent wind and rain from entering through the opening 25.
【００１２】[0012]
【発明の効果】以上説明したように、本発明のドリルね
じを用いれば、波板を構造材に取付け固定したとき、頭
部に近い軸部の外周に設けた係止用ねじ部が、前記波板
の山部にあけた開口にねじ込むように係合して、前記開
口の周縁部分が前記係止用ねじ部に係止保持されるの
で、従来のように補助サドルを使用することなく、ドリ
ルねじ自体で波板の山部を係止保持して、施工後に風圧
などの外力で前記波板が変形するのを防止できるもので
ある。As described above, when the drill screw of the present invention is used, when the corrugated plate is mounted and fixed on the structural material, the locking screw portion provided on the outer periphery of the shaft near the head becomes the above-mentioned. Since it is engaged so as to be screwed into the opening formed in the crest of the corrugated plate, and the peripheral portion of the opening is locked and held by the locking screw portion, without using an auxiliary saddle as in the related art, The crests of the corrugated sheet are locked and held by the drill screw itself, so that the corrugated sheet can be prevented from being deformed by an external force such as wind pressure after construction.
【００１３】したがって、本発明のドリルねじは、特に
風雨の強い地域における波板施工に適し、施工コストを
大幅に削減できるというすぐれた効果を奏する。Therefore, the drill screw of the present invention is suitable for corrugated sheet construction especially in an area with strong wind and rain, and has an excellent effect that the construction cost can be greatly reduced.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明による波板取付け用ドリルねじの正面図
である。FIG. 1 is a front view of a corrugated plate mounting drill screw according to the present invention.
【図２】同ドリルねじによる波板の取付け使用例を示す
縦断正面図である。FIG. 2 is a longitudinal sectional front view showing an example of attaching and using a corrugated sheet with the drill screw.
【図３】従来のドリルねじによる波板の取付け使用例を
示す縦断正面図である。FIG. 3 is a vertical sectional front view showing an example of attaching and using a corrugated sheet by a conventional drill screw.
１１ ドリルねじ １２ 軸部 １３ ドリル部 １４ 頭部 １５ 係合部 １６ タッピンねじ部 １７ 係止用ねじ部 ２１ 波板 ２１ａ 山部 ２２ 構造材 ２５ 開口 ２５ａ 開口２５の周縁部分 DESCRIPTION OF SYMBOLS 11 Drill screw 12 Shaft part 13 Drill part 14 Head 15 Engagement part 16 Tapping screw part 17 Locking screw part 21 Corrugated plate 21a Mountain part 22 Structural material 25 Opening 25a Peripheral part of opening 25
Claims (2)
し、後端に締付け工具の係合部を設けた頭部を有し、前
記ドリル部に続く前記軸部の外周にタッピンねじ部を設
けたドリルねじであって、 前記頭部に近い前記軸部の外周に、前記タッピンねじ部
よりねじ径の大きい係止用ねじ部が設けられていること
を特徴とする波板取付け用ドリルねじ。1. A threaded material having a drill portion at a tip of a shaft portion, a head portion provided with an engagement portion of a tightening tool at a rear end, and a tapping screw on an outer periphery of the shaft portion following the drill portion. A drill screw provided with a portion, wherein a locking screw portion having a larger screw diameter than the tapping screw portion is provided on an outer periphery of the shaft portion close to the head portion, for attaching a corrugated plate. Drill screw.
ピンねじ部のピッチより大きく形成されている請求項１
記載の波板取付け用ドリルねじ。2. A pitch of the locking screw portion is formed larger than a pitch of the tapping screw portion.
Drill screw for mounting corrugated sheet as described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10206507A JP2000035017A (en) | 1998-07-22 | 1998-07-22 | Drill screw for mounting corrugated sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10206507A JP2000035017A (en) | 1998-07-22 | 1998-07-22 | Drill screw for mounting corrugated sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000035017A true JP2000035017A (en) | 2000-02-02 |
Family
ID=16524522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10206507A Pending JP2000035017A (en) | 1998-07-22 | 1998-07-22 | Drill screw for mounting corrugated sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000035017A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007016864A (en) * | 2005-07-06 | 2007-01-25 | Jpf Works Kk | Fastener, and screw and washer comprising the same |
| JP2007177968A (en) * | 2005-12-28 | 2007-07-12 | Nippon Steel & Sumikin Coated Sheet Corp | Drilling machine screw |
| JP2008032133A (en) * | 2006-07-28 | 2008-02-14 | Kubota Matsushitadenko Exterior Works Ltd | Screw, screw for mounting building members, and mounting structure of building member |
| KR100945634B1 (en) * | 2003-01-21 | 2010-03-04 | 엘지전자 주식회사 | Double tapping screw |
| US20120219239A1 (en) * | 2004-11-29 | 2012-08-30 | Ariel Inventions Llc | System, Method, and Devices for Searching for a Digital Image over a Communication Network |
| ITPD20120078A1 (en) * | 2012-03-13 | 2013-09-14 | Heco Italia Efg S R L | SELF-FORGEVING SCREW FOR CONNECTION OF AT LEAST TWO ELEMENTS |
| JP2019002564A (en) * | 2017-06-15 | 2019-01-10 | エス・エフ・エス・インテク・ホルディング・アクチエンゲゼルシヤフト | Screw having multiple-thread neck lower screw part |
| JP2019078153A (en) * | 2017-10-25 | 2019-05-23 | ヒロテツ工業株式会社 | Drill screw for folded-plate roof and folded-plate roof method |
| JP7320893B1 (en) * | 2023-01-27 | 2023-08-04 | 北村精工株式会社 | Fixture |
-
1998
- 1998-07-22 JP JP10206507A patent/JP2000035017A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100945634B1 (en) * | 2003-01-21 | 2010-03-04 | 엘지전자 주식회사 | Double tapping screw |
| US20120219239A1 (en) * | 2004-11-29 | 2012-08-30 | Ariel Inventions Llc | System, Method, and Devices for Searching for a Digital Image over a Communication Network |
| JP2007016864A (en) * | 2005-07-06 | 2007-01-25 | Jpf Works Kk | Fastener, and screw and washer comprising the same |
| JP4568647B2 (en) * | 2005-07-06 | 2010-10-27 | 日本パワーファスニング株式会社 | Fastener |
| JP2007177968A (en) * | 2005-12-28 | 2007-07-12 | Nippon Steel & Sumikin Coated Sheet Corp | Drilling machine screw |
| JP2008032133A (en) * | 2006-07-28 | 2008-02-14 | Kubota Matsushitadenko Exterior Works Ltd | Screw, screw for mounting building members, and mounting structure of building member |
| ITPD20120078A1 (en) * | 2012-03-13 | 2013-09-14 | Heco Italia Efg S R L | SELF-FORGEVING SCREW FOR CONNECTION OF AT LEAST TWO ELEMENTS |
| EP2639463A1 (en) * | 2012-03-13 | 2013-09-18 | Heco Italia EFG S.r.l. | Self-tapping screw for the connection of at least two elements |
| JP2019002564A (en) * | 2017-06-15 | 2019-01-10 | エス・エフ・エス・インテク・ホルディング・アクチエンゲゼルシヤフト | Screw having multiple-thread neck lower screw part |
| JP2019078153A (en) * | 2017-10-25 | 2019-05-23 | ヒロテツ工業株式会社 | Drill screw for folded-plate roof and folded-plate roof method |
| JP7320893B1 (en) * | 2023-01-27 | 2023-08-04 | 北村精工株式会社 | Fixture |
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