JPH02217545A - Joint construction of fire resisting external wall panel - Google Patents
Joint construction of fire resisting external wall panelInfo
- Publication number
- JPH02217545A JPH02217545A JP3564189A JP3564189A JPH02217545A JP H02217545 A JPH02217545 A JP H02217545A JP 3564189 A JP3564189 A JP 3564189A JP 3564189 A JP3564189 A JP 3564189A JP H02217545 A JPH02217545 A JP H02217545A
- Authority
- JP
- Japan
- Prior art keywords
- materials
- fire
- exterior wall
- wall panel
- incombustible
- 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
- 238000010276 construction Methods 0.000 title 1
- 239000000463 material Substances 0.000 claims abstract description 101
- 230000009970 fire resistant effect Effects 0.000 claims description 35
- 238000006073 displacement reaction Methods 0.000 abstract description 9
- 239000011810 insulating material Substances 0.000 abstract description 6
- 239000000919 ceramic Substances 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 230000001131 transforming effect Effects 0.000 abstract 1
- 239000011229 interlayer Substances 0.000 description 6
- 239000004568 cement Substances 0.000 description 4
- 238000010079 rubber tapping Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 3
- 229910052602 gypsum Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052918 calcium silicate Inorganic materials 0.000 description 2
- 239000000378 calcium silicate Substances 0.000 description 2
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
Landscapes
- Building Environments (AREA)
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野） 本発明は、建物用耐火外壁パネルの目地構造に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a joint structure of a fireproof exterior wall panel for a building.
（従来の技術）
従来、枠材の両側に不燃性の表面材と裏面材とが固定さ
れて構成されている耐火外壁パネルな建物躯体に取り付
ける際には、隣接する耐火外壁パネル間に隙間が形成さ
れないよう耐火外壁パネル同士をできるだけ近接して配
設させ、建物躯体に取り付けるのが一般的となっていた
。(Prior art) Conventionally, when installing a fire-resistant exterior wall panel, which consists of a non-combustible face material and a back surface material fixed to both sides of a frame material, on a building frame, there is a gap between adjacent fire-resistant exterior wall panels. It has become common practice to arrange fireproof exterior wall panels as close as possible to each other and attach them to the building frame to prevent the formation of fire-resistant walls.
（発明が解決しようとする課題）
しかしながら、このような従来構造のように、耐火外壁
パネル間に隙間が形成されていない場合には、外壁部分
の耐火性は容易に確保できるものの、地震や強風等によ
って外壁に剪断応力が作用した場合には、外壁パネル間
で層間変位をどれなし）。(Problem to be Solved by the Invention) However, in cases where no gaps are formed between the fire-resistant exterior wall panels, as in the conventional structure, although the fire resistance of the exterior wall portion can be easily ensured, earthquakes and strong winds If shear stress is applied to the exterior wall due to the above, there will be no interlaminar displacement between the exterior wall panels).
本発明は、上記したような従来の問題に着目し、耐火性
を損なわずに、耐火外壁パネル間での層間変位をとるこ
とができる耐火外壁パネルの目地構造を提供することを
目的としている。The present invention has focused on the above-mentioned conventional problems, and aims to provide a joint structure for fire-resistant exterior wall panels that allows interlayer displacement between fire-resistant exterior wall panels without impairing fire resistance.
（課題を解決するための手段）
上記目的を達成するために、本発明の耐火外壁パネルの
目地構造は、枠材の両側に表面材と裏面材とが固定され
て構成されている耐火外壁パネルの目地構造であって、
前記耐火外壁パネル間に隙間が設けられ、該隙間に不燃
性及び可撓性を有する目地材が設けられているものであ
る。(Means for Solving the Problems) In order to achieve the above object, the joint structure of the fire-resistant exterior wall panel of the present invention is a fire-resistant exterior wall panel that is configured by having a front surface material and a back surface material fixed to both sides of a frame material. The joint structure is
A gap is provided between the fireproof outer wall panels, and a nonflammable and flexible joint material is provided in the gap.
更に、前記耐火外壁パネルの枠材に沿って不燃性を有す
る被覆材を設けてもよい。Furthermore, a noncombustible covering material may be provided along the frame material of the fireproof exterior wall panel.
（作 用）
従って、請求項１及び２記載の耐火外壁パネルの目地構
造では、耐火外壁パネル間の隙間に不燃性を有する目地
材が設けられているので、耐火外壁パネル間の目地にお
いても耐火性が確保できる。(Function) Therefore, in the joint structure of fire-resistant exterior wall panels according to claims 1 and 2, since a non-combustible joint material is provided in the gaps between fire-resistant exterior wall panels, the joints between fire-resistant exterior wall panels are also fire-resistant. The quality can be ensured.
また、耐火外壁パネル間に隙間が設けられているので、
地震や強風等によって耐火外壁パネルに剪断応力が作用
した際には、隣接する耐火外壁パネル間で層間変位をと
ることができる。尚、この時、耐火外壁パネル間の隙間
に設けられている目地材は、可撓性を有しているので、
層間変位に追随して変形する。In addition, there are gaps between fireproof exterior wall panels, so
When shear stress is applied to fire-resistant exterior wall panels due to earthquakes, strong winds, etc., interlayer displacement can occur between adjacent fire-resistant exterior wall panels. At this time, since the joint material provided in the gaps between the fireproof exterior wall panels is flexible,
Deforms following interlayer displacement.
また、請求項２記載の耐火外壁パネルの目地構造では、
更に耐火外壁パネルの枠材に沿って不燃性の被覆材が設
けられているので、枠材が過度に加熱されるのを防止で
きる。即ち、枠材の変形防止、及び外壁パネルの耐火性
向上を図ることができる。Further, in the joint structure of the fireproof external wall panel according to claim 2,
Furthermore, since a noncombustible covering material is provided along the frame material of the fireproof exterior wall panel, it is possible to prevent the frame material from being excessively heated. That is, it is possible to prevent deformation of the frame material and improve the fire resistance of the outer wall panel.
（実施例） 以下５本発明の実施例を図面により詳述する。(Example) Hereinafter, five embodiments of the present invention will be described in detail with reference to the drawings.
まず、第１図に基づいて第１実施例の構成を説明する。First, the configuration of the first embodiment will be explained based on FIG.
第１図は、本実施例耐火外壁パネルの目地構造を示す横
断面図で、１は耐火外壁パネル、２は目地材、３はガス
ケットである。FIG. 1 is a cross-sectional view showing the joint structure of the fire-resistant exterior wall panel of this embodiment, where 1 is the fire-resistant exterior wall panel, 2 is the joint material, and 3 is the gasket.
耐火外壁パネル１は、枠材ｌｌの両面に不燃性を有する
表面材１２と裏面材１３とがタッピンビスＩ４で固定さ
れたもので、前記表面材１２と裏面材１３の隙間には断
熱材１５が設けられ、前記枠材１１の内周に沿って不燃
性及び可撓性を有する被覆材Ｘ６が貼付されている。The fireproof exterior wall panel 1 has a nonflammable surface material 12 and a back surface material 13 fixed to both sides of a frame material 11 with tapping screws I4, and a heat insulating material 15 is provided in the gap between the surface material 12 and the back surface material 13. A nonflammable and flexible covering material X6 is attached along the inner periphery of the frame material 11.
各部材１１〜１６（タッピンビス１４を除く）の素材に
ついて具体的に説明する。The materials of each member 11 to 16 (excluding the tapping screw 14) will be specifically explained.
前記枠材１１としては厚さ１．６ｍｍで断面コの字形の
鉄枠、前記表面材１２としては厚さ２０ｍｍの硬質木片
セメント板、前記裏面材１３としては厚さ１５ｍ ｍの
石膏ボードが用いられている。また、断熱材１５として
は厚さ５０ｍ ｍのロックウールが用いられ、被覆材工
６としては厚さｌＯｍ ｍの石膏ボードが用いられてい
る。The frame material 11 is an iron frame with a thickness of 1.6 mm and a U-shaped cross section, the surface material 12 is a hard wood chip cement board with a thickness of 20 mm, and the back material 13 is a gypsum board with a thickness of 15 mm. It is being Further, as the heat insulating material 15, rock wool with a thickness of 50 mm is used, and as the covering material 6, a gypsum board with a thickness of 10 mm is used.
そして前記耐火外壁パネル１は、隣接する耐火外壁パネ
ルｌとの間にほぼ１５ｍ ｍの隙間を設けて建物躯体に
取り付けられている。The fireproof exterior wall panel 1 is attached to the building frame with a gap of approximately 15 mm provided between the fireproof exterior wall panel 1 and the adjacent fireproof exterior wall panel 1.
目地材２は、前記耐火外壁パネル１．１間の隙間のうち
、前記枠材１１及び裏面材１３の側縁に沿って設けられ
ている。尚、この目地材２としては、不燃性及び可撓性
を有するセラミックファイバーが用いられている。The joint material 2 is provided along the side edges of the frame material 11 and the back surface material 13 in the gap between the fireproof outer wall panels 1.1. Incidentally, as this joint material 2, ceramic fibers which are nonflammable and flexible are used.
ガスケット３は、前記耐火外壁パネル１．１間の隙間の
うち、前記表面材１２の側縁に沿って設けられている。The gasket 3 is provided along the side edge of the facing material 12 in the gap between the fireproof external wall panels 1.1.
尚、このガスケット３としては、ブチルゴムあるいはウ
レタン等が用いられている。Incidentally, this gasket 3 is made of butyl rubber, urethane, or the like.
次に、第１実施例の作用を説明する。Next, the operation of the first embodiment will be explained.
本実施例の耐火外壁パネル１の目地構造では、耐火外壁
パネル１．１間の隙間に不燃性を有する目地材２が設け
られているので、耐火外壁パネル１．１間の目地におい
ても耐火性が確保できる。In the joint structure of the fire-resistant exterior wall panels 1 of this embodiment, since the non-combustible joint material 2 is provided in the gaps between the fire-resistant exterior wall panels 1.1, the joints between the fire-resistant exterior wall panels 1.1 are also fire-resistant. can be secured.
また、前記隙間にガスケラ１−３が設けられているので
、目地において止水性が確保できると共に。Moreover, since the gas scaler 1-3 is provided in the gap, water-stopping properties can be ensured at the joint.
断熱性及び遮音性も確保できる。Heat insulation and sound insulation properties can also be ensured.
また、耐火外壁パネル１．１間に隙間が設けられている
ので、地震や強風等によって耐火外壁パネル１に剪断応
力が作用した際には、隣接する耐火外壁パネル１．１間
で層間変位をとることができる。尚、この時、耐火外壁
パネル１．１間の隙間に設けられている目地材３は可撓
性を有しているので、層間変位に追随して変形する。In addition, since gaps are provided between the fire-resistant exterior wall panels 1.1, when shear stress is applied to the fire-resistant exterior wall panels 1 due to earthquakes, strong winds, etc., interlayer displacement between adjacent fire-resistant exterior wall panels 1.1 is prevented. You can take it. At this time, since the joint material 3 provided in the gap between the fireproof outer wall panels 1.1 has flexibility, it deforms following the interlayer displacement.
第２図は、矢印で示した方向に剪断応力が作用した場合
、耐火外壁パネル１．１が二点鎖線で示す状態から実線
で示す状態に変化（層間変位）することを示している。FIG. 2 shows that when shear stress is applied in the direction indicated by the arrow, the fireproof exterior wall panel 1.1 changes from the state shown by the two-dot chain line to the state shown by the solid line (interlaminar displacement).
また、耐火外壁パネル１の枠材１１に沿って不燃性の被
覆材１６が設けられているので、枠材１１が過度に加熱
されるのを防止できる。即ち、枠材ＩＩの変形防止、及
び耐火外壁パネルｌの耐火性向上を図ることができる。Further, since the non-combustible covering material 16 is provided along the frame material 11 of the fireproof outer wall panel 1, it is possible to prevent the frame material 11 from being excessively heated. That is, it is possible to prevent deformation of the frame material II and to improve the fire resistance of the fire-resistant outer wall panel l.
次に、第３図に基づいて、第２実施例の構成について説
明する。Next, the configuration of the second embodiment will be explained based on FIG.
尚、第１実施例と形状及び素材を同一にする同一部品に
ついては、図面に同一符号を付して説明を省略する。It should be noted that the same parts having the same shape and material as those in the first embodiment are given the same reference numerals in the drawings, and a description thereof will be omitted.
本実施例の耐火外壁パネルＬａは、枠材１１の両面に不
燃性の表面材１２と裏面材１３ａとがタッピンビス１４
で固定されたもので１表面材１２と裏面材１３ａの隙間
には断熱材１５が設けられている。The fireproof exterior wall panel La of this embodiment has a non-combustible surface material 12 and a back surface material 13a on both sides of a frame material 11 with tapping screws 14.
A heat insulating material 15 is provided in the gap between the front surface material 12 and the back surface material 13a.
そして前記裏面材１３ａとしては木片セメント板が用い
られている。A wood cement board is used as the backing material 13a.
また、目地材２ａとしては、不燃性及び可撓性を有する
ケイ酸カルシウム板が用いられている。Further, as the joint material 2a, a non-flammable and flexible calcium silicate board is used.
本実施例にあっては、目地材２ａとして熱容量の大きい
ケイ酸カルシウム板が用いられているので、耐火外壁パ
ネル１． ａの枠材ｌｌに被覆材を施さなくても、枠材
１１が過度に加熱されて変形するのを防止することがで
きる。In this embodiment, since a calcium silicate plate with a large heat capacity is used as the joint material 2a, the fireproof exterior wall panel 1. Even if the frame material 11 of a is not coated with a covering material, it is possible to prevent the frame material 11 from being excessively heated and deformed.
その他の作用は第１実施例と同様であるので、説明を省
略する。Other operations are the same as those in the first embodiment, so explanations will be omitted.
次に、第４図に基づいて、第３実施例の構成について説
明する。Next, the configuration of the third embodiment will be explained based on FIG. 4.
尚、第１実施例と形状及び素材を同一にする同一部品に
ついては、図面に同一符号を付して説明を省略する。It should be noted that the same parts having the same shape and material as those in the first embodiment are given the same reference numerals in the drawings, and a description thereof will be omitted.
本実施例の耐火外壁パネルｉｂは、枠材１１の両面に不
燃性を有する表面材１２と裏面材１３とがタッピンビス
１４で固定されたもので、前記表面材１２と裏面材１３
の隙間には断熱材１５ｂが設けられ、前記枠材１１の外
周に沿って不燃性及び可撓性を有する被覆材１６ｂが貼
付されている。The fireproof exterior wall panel ib of this embodiment has a nonflammable surface material 12 and a back surface material 13 fixed to both surfaces of a frame material 11 with tapping screws 14.
A heat insulating material 15b is provided in the gap, and a nonflammable and flexible covering material 16b is pasted along the outer periphery of the frame material 11.
そして、前記断熱材１５ｂとしてはグラスファイバーが
用いられ、被覆材１６ｂとしてはモルタルが用いられて
いる。Glass fiber is used as the heat insulating material 15b, and mortar is used as the covering material 16b.
また、目地材２ｂとしては、不燃性及び可撓性を有する
ロックウールが用いられている。Furthermore, as the joint material 2b, rock wool, which is nonflammable and flexible, is used.
本実施例の耐火外壁パネルＩＣは、不燃性を有する表面
材１２及び裏面材１３と被覆材Ｌ６ｂとで枠材ｌｌを囲
んだ構造となっているので、枠材１１が過度に加熱され
て変形するのを確実に防止することができる。The fireproof external wall panel IC of this embodiment has a structure in which the frame material 11 is surrounded by the nonflammable surface material 12 and back material 13 and the covering material L6b, so the frame material 11 is heated excessively and deformed. This can be reliably prevented.
その他の作用は第１実施例と同様であるので、説明を省
略する。Other operations are the same as those in the first embodiment, so explanations will be omitted.
以上５本発明の実施例を図面により詳述してきたが、具
体的な構成はこの実施例に限られるものではなく本発明
の要旨を逸脱しない範囲の設計変更等があっても本発明
に含まれる。Although the five embodiments of the present invention have been described above in detail with reference to the drawings, the specific configuration is not limited to these embodiments, and even if there are design changes within the scope of the gist of the present invention, they are included in the present invention. It will be done.
例えば、耐火外壁パネルや目地材やガスケットの素材及
び形状は実施例に限られない。例えば、表面材及び裏面
材として、実施例で挙げたものの他、石綿スレート坂や
バルブセメン１−ベーライト板を用いてもよい。また、
目地材として、石膏ボードや木片セメント板を用いても
よい。更に被覆材の素材も実施例で挙げたものに限られ
ず、熱容量が大きいものが好ましい。For example, the materials and shapes of the fireproof exterior wall panels, joint materials, and gaskets are not limited to those in the embodiments. For example, as the surface material and the back surface material, in addition to those mentioned in the examples, an asbestos slate slope or a bulb cement 1-Balite plate may be used. Also,
As a joint material, gypsum board or wood chip cement board may be used. Furthermore, the material of the covering material is not limited to those mentioned in the examples, but a material with a large heat capacity is preferable.
また実施例では、断面コの字状の枠材を用いたが、枠材
の断面形状は実施例に限られず、例えばアリ溝形、矩形
、■形にしてもよい。Further, in the embodiment, a frame member having a U-shaped cross section is used, but the cross-sectional shape of the frame member is not limited to the embodiment, and may be, for example, dovetail, rectangular, or square.
また実施例では、耐火外壁パネル間の隙間を１５ｍｍに
設定したが、隙間寸法は実施例に限定されるものではな
い。好ましくは５〜５０ｍｍである。Further, in the example, the gap between the fireproof outer wall panels was set to 15 mm, but the gap size is not limited to the example. Preferably it is 5 to 50 mm.
（発明の効果）
本発明は、上述のように構成されているので、次に記載
する効果が得られる。(Effects of the Invention) Since the present invention is configured as described above, the following effects can be obtained.
請求項り及び２記載の耐火外壁パネルの目地構造にあっ
ては、耐火性能を損なうことなく、外壁パネル間で層間
変位をとることができる。In the joint structure of fire-resistant exterior wall panels according to claims 1 and 2, interlayer displacement can be achieved between the exterior wall panels without impairing fire-resistant performance.
また、請求項２記載の耐火外壁パネルの目地構造にあっ
ては、枠材に沿って不燃性の被覆材が設けられているの
で、上述の効果に加えて、枠材の変形防止、及び耐火外
壁パネルの耐火性向上を図ることができる。In addition, in the joint structure of the fire-resistant exterior wall panel according to claim 2, since a non-combustible covering material is provided along the frame material, in addition to the above-mentioned effects, it also prevents deformation of the frame material and prevents fire-resistance. It is possible to improve the fire resistance of external wall panels.
第１図は本発明第１実施例の耐火外壁パネルの目地構造
を示す横断面図、第２図は剪断応力作用時の耐火外壁パ
ネルの状態を示す図、第３図は本発明第２実施例の耐火
外壁パネルの目地構造を示す横断面図、第４図は本発明
第３実施例の耐火外壁パネルの目地構造を示す横断面図
である。
ｂ・・・耐火外壁パネル
１、 Ｉａ、 １
１・・−枠材
２・・−表面材
３．１３ａ・・・裏面材
６．１６ｂ−・・被覆材
２．２ａ、２ｂ・・・目地材Fig. 1 is a cross-sectional view showing the joint structure of a fire-resistant external wall panel according to the first embodiment of the present invention, Fig. 2 is a diagram showing the state of the fire-resistant external wall panel when shear stress is applied, and Fig. 3 is a cross-sectional view showing the joint structure of the fire-resistant external wall panel according to the first embodiment of the present invention. FIG. 4 is a cross-sectional view showing the joint structure of a fire-resistant exterior wall panel according to a third embodiment of the present invention. b... Fireproof exterior wall panel 1, Ia, 1 1... - Frame material 2... - Surface material 3.13a... Back material 6.16b... Covering material 2.2a, 2b... Joint material
Claims (1)
れている耐火外壁パネルの目地構造であって、前記耐火
外壁パネル間に隙間が設けられ、該隙間に不燃性及び可
撓性を有する目地材が設けられていることを特徴とする
外壁パネルの目地構造。 ２）耐火外壁パネルの枠材に沿って不燃性を有する被覆
材が設けられている請求項１記載の耐火外壁パネルの目
地構造。[Scope of Claims] 1) A joint structure of a fire-resistant exterior wall panel constructed by fixing a front surface material and a back surface material on both sides of a frame material, wherein a gap is provided between the fire-resistant exterior wall panels, and the gap is A joint structure for an exterior wall panel, characterized in that a joint material having non-combustibility and flexibility is provided. 2) The joint structure of a fire-resistant exterior wall panel according to claim 1, wherein a non-combustible covering material is provided along the frame material of the fire-resistant exterior wall panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3564189A JPH02217545A (en) | 1989-02-15 | 1989-02-15 | Joint construction of fire resisting external wall panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3564189A JPH02217545A (en) | 1989-02-15 | 1989-02-15 | Joint construction of fire resisting external wall panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02217545A true JPH02217545A (en) | 1990-08-30 |
Family
ID=12447502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3564189A Pending JPH02217545A (en) | 1989-02-15 | 1989-02-15 | Joint construction of fire resisting external wall panel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02217545A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100408849B1 (en) * | 2001-09-24 | 2003-12-06 | 최준한 | Fire-proof structure for attaching inflammable materials |
| GB2406036A (en) * | 2003-09-19 | 2005-03-23 | Brian Craik-Smith | Resilient connector for chopsticks |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS541769U (en) * | 1977-06-07 | 1979-01-08 | ||
| JPS6153410B2 (en) * | 1982-08-19 | 1986-11-18 | Kawasaki Steel Co |
-
1989
- 1989-02-15 JP JP3564189A patent/JPH02217545A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS541769U (en) * | 1977-06-07 | 1979-01-08 | ||
| JPS6153410B2 (en) * | 1982-08-19 | 1986-11-18 | Kawasaki Steel Co |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100408849B1 (en) * | 2001-09-24 | 2003-12-06 | 최준한 | Fire-proof structure for attaching inflammable materials |
| GB2406036A (en) * | 2003-09-19 | 2005-03-23 | Brian Craik-Smith | Resilient connector for chopsticks |
| GB2406036B (en) * | 2003-09-19 | 2006-08-30 | Brian Craik-Smith | Chopstick connector |
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