JP2010138619A - Ceiling system and ceiling joist member - Google Patents
Ceiling system and ceiling joist member Download PDFInfo
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本発明は、天井スラブからの漏水の排水機能を備えた天井システムし、特に、天井パネルが取り付けられる野縁部材に関する。 The present invention relates to a ceiling system having a function of draining water leaked from a ceiling slab, and particularly to a field edge member to which a ceiling panel is attached.
従来、天井スラブから天井パネル上に滴下する水（漏水）を排水処理する機能を備えた天井構造が提案されている（例えば特許文献１〜３参照）。従来の天井構造では、天井スラブから吊りボルトによって天井下地が吊り下げられ、天井下地によって天井パネルが支持されている。そして、この天井パネルが、一端から他端に向けて下り勾配をもって傾斜しており、天井スラブから滴下した水は、この傾斜に沿って天井パネルの上面を流れて樋に集められ、樋の低端部に設けられた排水口から排水される。
しかしながら、従来の天井構造では、天井パネルが天井下地に取り付けられている部分（天井パネルの取付部）が露出しているので、特に、天井スラブから天井下地の上に水が滴下した場合（あるいは、吊りボルトから水が天井下地に伝ってきた場合）には、その水によって天井パネルの取付部が腐食するおそれがあるという問題があった。 However, in the conventional ceiling structure, since the portion where the ceiling panel is attached to the ceiling base (the mounting portion of the ceiling panel) is exposed, especially when water drops from the ceiling slab onto the ceiling base (or In the case where water is transmitted from the suspension bolt to the ceiling base, there is a problem that the mounting portion of the ceiling panel may be corroded by the water.
仮に、従来の天井構造において天井パネルの取付部の腐食を防ごうとすると、天井パネルの取付部への水漏れを完全に防止する必要がある。しかし、水漏れを完全に防止するためには、何らかの水密処理を施して、部材と部材の隙間を完全になくす必要があり、そのためには高い施工精度が要求される。したがって、施工が完全なものではなく（施工に僅かな不具合があり）部材間に隙間ができてしまうと、その隙間から水漏れが発生することになる。また、施工時には完全に水漏れが防止できていたとしても、その後の部材の劣化によって部材間に隙間ができてしまうと、水漏れが発生してしまうことになる。そして、いったん水漏れが発生すると、その水漏れによって部材が腐食してしまい、部材が腐食すると、部材間の隙間が大きくなり、さらに水漏れの悪化につながるという問題があった。 Temporarily, if it is going to prevent the corrosion of the attachment part of a ceiling panel in the conventional ceiling structure, it is necessary to prevent the water leak to the attachment part of a ceiling panel completely. However, in order to completely prevent water leakage, it is necessary to perform some kind of watertight treatment to completely eliminate the gap between the members. For this purpose, high construction accuracy is required. Therefore, if the construction is not complete (there is a slight defect in the construction) and a gap is formed between the members, water leaks from the gap. Moreover, even if water leakage can be completely prevented at the time of construction, if a gap is formed between the members due to subsequent deterioration of the members, water leakage will occur. And once a water leak occurs, the member corrodes due to the water leak, and when the member corrodes, there is a problem that the gap between the members becomes larger and further the water leak is worsened.
本発明は、上記の課題に鑑みてなされたもので、天井スラブから滴下した水によって天井パネルの取付部が腐食するのを防ぐことのできる天井システムを提供することを目的とする。 This invention is made | formed in view of said subject, and it aims at providing the ceiling system which can prevent that the attachment part of a ceiling panel corrodes with the water dripped from the ceiling slab.
本発明の天井システムは、天井スラブの下方に設けられる支持部材に支持される野縁部材と、前記野縁部材の下側に傾斜した状態で取り付けられる天井パネルとを備えた天井システムにおいて、前記野縁部材は、上面と両側面と下面を有する中空本体部を備え、前記中空本体部の両側面の下部には、下方に向けて突出した水切り部が設けられ、前記中空本体部の下面の中央部には、前記天井パネルを取り付けるためのパネル取付部が設けられている。 The ceiling system of the present invention is a ceiling system comprising a field edge member supported by a support member provided below a ceiling slab, and a ceiling panel attached in a state inclined to the lower side of the field edge member, The field member includes a hollow main body portion having an upper surface, both side surfaces, and a lower surface, and a draining portion projecting downward is provided at a lower portion of the both side surfaces of the hollow main body portion. A panel mounting portion for mounting the ceiling panel is provided in the center portion.
このシステムによれば、天井スラブから滴下した水は、野縁部材の中空本体部の両側面の下部の水切り部から流れ落ち、中空本体部の下面の中央部のパネル取付部には入り込まない。したがって、天井スラブから滴下した水によってパネル取付部が腐食するのを防ぐことができる。しかも、このシステムでは、簡単な施工によって水漏れを防止することができ、水密処理を施す必要がない。 According to this system, the water dripped from the ceiling slab flows down from the draining portion at the lower part of the both side surfaces of the hollow body portion of the edge member, and does not enter the panel mounting portion at the center portion of the lower surface of the hollow body portion. Therefore, it can prevent that a panel attaching part corrodes with the water dripped from the ceiling slab. Moreover, in this system, water leakage can be prevented by simple construction, and there is no need to perform watertight treatment.
また、本発明の天井システムでは、前記中空本体部の上面に、断面凹形状の樋部が設けられてもよい。 Moreover, in the ceiling system of this invention, the collar part with a cross-sectional concave shape may be provided in the upper surface of the said hollow main-body part.
これにより、天井スラブから野縁部材上に滴下した水は、（天井パネルの上面だけでなく）中空本体部の上面の樋部を流れて排水される。したがって、中空本体部の下面のパネル取付部が腐食するのを防ぐことができるとともに、天井スラブからの漏水の排水機能を向上させることができる。 Thereby, the water dripped on the field edge member from the ceiling slab flows and drains through the flange on the upper surface of the hollow main body (not only the upper surface of the ceiling panel). Therefore, it is possible to prevent the panel mounting portion on the lower surface of the hollow main body portion from being corroded and to improve the function of draining water leaked from the ceiling slab.
本発明の野縁部材は、天井スラブの下方に設けられる支持部材に支持され、下側に天井パネルが傾斜した状態で取り付けられる野縁部材であって、上面と両側面と下面を有する中空本体部と、前記中空本体部の両側面の下部に設けられ、下方に向けて突出した水切り部と、前記中空本体部の下面の中央部に設けられ、前記天井パネルを取り付けるためのパネル取付部と、を備えている。 The field edge member of the present invention is a field edge member that is supported by a support member provided below the ceiling slab and is attached in a state where the ceiling panel is inclined to the lower side, and has a hollow body having an upper surface, both side surfaces, and a lower surface A draining portion provided at a lower portion of both side surfaces of the hollow body portion and projecting downward; a panel attachment portion provided at a central portion of the lower surface of the hollow body portion for attaching the ceiling panel; It is equipped with.
この部材によっても、上記のシステムと同様に、天井スラブから滴下した水によってパネル取付部が腐食するのを防ぐことができる。しかも、簡単な施工によって水漏れを防止することができ、水密処理を施す必要がない。 Also with this member, it is possible to prevent the panel mounting portion from being corroded by water dripped from the ceiling slab, as in the above system. Moreover, water leakage can be prevented by simple construction, and there is no need to perform watertight treatment.
また、本発明の野縁部材では、前記中空本体部の上面に、断面凹形状の樋部が設けられてもよい。 Moreover, in the field member of this invention, the collar part with a cross-sectional concave shape may be provided in the upper surface of the said hollow main-body part.
これによっても、上記と同様に、中空本体部の下面のパネル取付部が腐食するのを防ぐことができるとともに、天井スラブからの漏水の排水機能を向上させることができる。 This also prevents the panel mounting portion on the lower surface of the hollow main body portion from corroding and improves the function of draining water leaked from the ceiling slab, as described above.
本発明によれば、野縁部材の中空本体の両側面に水切り部を設けるとともに、中空本体の下面の中央部にパネル取付部を設けることにより、天井スラブから滴下した水によってパネル取付部が腐食するのを防ぐことが可能になる。 According to the present invention, the drainage portions are provided on both side surfaces of the hollow body of the field member, and the panel attachment portion is corroded by water dripped from the ceiling slab by providing the panel attachment portion at the center of the lower surface of the hollow body. Can be prevented.
以下、本発明の実施の形態の天井システムについて、図面を用いて説明する。本実施の形態では、地下鉄の駅や地下街などで用いられる天井システムの場合を例示する。 Hereinafter, a ceiling system according to an embodiment of the present invention will be described with reference to the drawings. In this embodiment, a case of a ceiling system used in a subway station, an underground mall, or the like is illustrated.
本発明の実施の形態の天井システムの構成を図１〜図４を用いて説明する。ここでは、まず、図１と図２を参照して、本実施の形態の天井システムの全体の構成について説明する。 The configuration of the ceiling system according to the embodiment of the present invention will be described with reference to FIGS. Here, first, with reference to FIG. 1 and FIG. 2, the whole structure of the ceiling system of this Embodiment is demonstrated.
図１は、本実施の形態の天井システムの全体の構成を示す平面図であり、図２は、天井システムの全体の構成を示す側面図である。図１および図２に示すように、天井スラブ１からは、複数の吊りハンガー２が吊り下げられており、吊りハンガー２には、野縁部材３を支持するための野縁受け部材４（本発明の支持部材に相当する）が取り付けられている。そして、野縁部材３には、天井パネル５が取り付けられている。 FIG. 1 is a plan view showing the overall configuration of the ceiling system of the present embodiment, and FIG. 2 is a side view showing the overall configuration of the ceiling system. As shown in FIGS. 1 and 2, a plurality of hanging hangers 2 are suspended from the ceiling slab 1, and the hanging hangers 2 have a field edge receiving member 4 for supporting a field edge member 3 (this (Corresponding to the support member of the invention) is attached. A ceiling panel 5 is attached to the field edge member 3.
天井パネル５は、長手方向の一端側が他端側より低くなるように傾斜した状態で取り付けられている。この場合、他端側より低くなっている一端側は、排水経路の下流側であるともいえる。あるいは、一端側より高くなっている他端側は、排水経路の上流側であるともいえる。 The ceiling panel 5 is attached in an inclined state so that one end side in the longitudinal direction is lower than the other end side. In this case, it can be said that the one end side lower than the other end side is the downstream side of the drainage path. Or it can be said that the other end side which is higher than one end side is the upstream side of the drainage path.
この天井システムでは、野縁部材３と野縁受け部材４は互いに直交するように配置されている（図１参照）。この例では、一つの野縁部材３が三つの野縁受け部材４によって支持されている（図２参照）。また、野縁部材３は、天井パネル５の短手方向の両端部に取り付けられている、つまり、天井パネル５は、野縁部材３を介して短手方向につなぎ合わされている（図１参照）。 In this ceiling system, the field edge member 3 and the field edge receiving member 4 are arranged so as to be orthogonal to each other (see FIG. 1). In this example, one field edge member 3 is supported by three field edge receiving members 4 (see FIG. 2). Moreover, the field edge member 3 is attached to the both ends of the transversal direction of the ceiling panel 5, that is, the ceiling panel 5 is connected to the transversal direction via the field edge member 3 (see FIG. 1). ).
また、この天井パネル５は、長手方向にもつなぎ合わされている。この場合、長手方向に隣り合う天井パネル５では、上流側の天井パネル５の一端部（下流側の端部）が、下流側の天井パネル５の他端部（上流側の端部）に重ねられている（図２参照）。このようにして、上流側の天井パネル５から下流側の天井パネル５への排水経路が形成されている。 The ceiling panel 5 is joined in the longitudinal direction. In this case, in the ceiling panel 5 adjacent in the longitudinal direction, one end portion (downstream end portion) of the upstream ceiling panel 5 is overlapped with the other end portion (upstream end portion) of the downstream ceiling panel 5. (See FIG. 2). In this way, a drainage path from the upstream ceiling panel 5 to the downstream ceiling panel 5 is formed.
また、この天井システムには、排水口６を有する谷樋７が設けられており（図１参照）、最下流の天井パネル５の一端部（下流側の端部）は、谷樋７の上側に重ねられている（図２参照）。このようにして、最下流の天井パネル５から谷樋７の排水口６へ排水経路が形成されている。 Further, this ceiling system is provided with a trough 7 having a drain port 6 (see FIG. 1), and one end portion (downstream end portion) of the most downstream ceiling panel 5 is located above the trough 7. (See FIG. 2). In this way, a drainage path is formed from the most downstream ceiling panel 5 to the drainage port 6 of the valley 7.
つぎに、図３と図４を参照して、本実施の形態の天井システムの主要部の構成について詳しく説明する。 Next, with reference to FIG. 3 and FIG. 4, the configuration of the main part of the ceiling system of the present embodiment will be described in detail.
図３は、天井システムの主要な構成要素を説明するための分解斜視図であり、図４は、天井システムの主要部の拡大断面図である。図３および図４に示すように、野縁部材３は、中空本体部８を備えており、中空本体部８の上面には樋部９が形成されている。また、中空本体部８の両側面の下部には、下方に向けて突出した水切り部１０が設けられており、さらに、中空本体部８の下面の中央部には、天井パネル５をネジ１１で固定するためのネジ穴１２（本発明のパネル取付部に相当する）が設けられている。 FIG. 3 is an exploded perspective view for explaining main components of the ceiling system, and FIG. 4 is an enlarged sectional view of a main part of the ceiling system. As shown in FIGS. 3 and 4, the field member 3 includes a hollow main body portion 8, and a flange portion 9 is formed on the upper surface of the hollow main body portion 8. Further, a draining portion 10 projecting downward is provided at the lower part of both side surfaces of the hollow body portion 8, and the ceiling panel 5 is attached to the center portion of the lower surface of the hollow body portion 8 with screws 11. A screw hole 12 (corresponding to the panel mounting portion of the present invention) for fixing is provided.
天井パネル５と同様、野縁部材３は、長手方向につなぎ合わされており、上流側の野縁部材３の一端部（下流側の端部）が、下流側の野縁部材３の他端部（上流側の端部）に重ねられ、上流側の野縁部材３の樋部９から下流側の野縁部材３の樋部９への排水経路が形成されている。また、最下流の野物部材の一端部（下流側の端部）は、谷樋７の上側に重ねられ、最下流の野縁部材３の樋部９から谷樋７の排水口６への排水経路が形成されている。 As with the ceiling panel 5, the field edge member 3 is joined in the longitudinal direction, and one end portion (downstream end portion) of the upstream field edge member 3 is the other end portion of the downstream field edge member 3. A drainage path is formed from the flange portion 9 of the upstream field edge member 3 to the flange portion 9 of the downstream field edge member 3. In addition, one end portion (downstream end portion) of the most downstream field member is overlapped on the upper side of the trough 7, and the drainage port 6 of the trough 7 from the trough 9 of the most downstream field edge member 3. A drainage channel is formed.
なお、野縁部材３には、野縁受け部材４を取り付けるための取付部材１３が取り付けられている。この例では、取付部材１３に野縁受け部材４を挿通することによって、野縁部材３が野縁受け部材４に直交するように支持されている。また、この例では、吊りハンガー２が防振ハンガー１４を備えている。したがって、この天井システムは、防振機能も備えているといえる。 An attachment member 13 for attaching the field edge receiving member 4 is attached to the field edge member 3. In this example, the field edge receiving member 4 is inserted through the attachment member 13 so that the field edge member 3 is supported so as to be orthogonal to the field edge receiving member 4. In this example, the hanging hanger 2 includes a vibration-proof hanger 14. Therefore, it can be said that this ceiling system also has an anti-vibration function.
以上のように構成された天井システムについて、図面を参照してその動作を説明する。 About the ceiling system comprised as mentioned above, the operation | movement is demonstrated with reference to drawings.
ここでは、本発明の天井システムの特徴的な動作として、天井スラブ１から野縁部材３の上に水が滴下した場合（あるいは、吊りハンガー２から水が野縁部材３に伝ってきた場合）の排水の流れについて説明する。なお、図１〜図４では、排水の流れが矢印によって図示されている。 Here, as a characteristic operation of the ceiling system of the present invention, when water is dropped from the ceiling slab 1 onto the field edge member 3 (or when water is transmitted from the hanging hanger 2 to the field edge member 3). The flow of drainage will be described. In FIGS. 1 to 4, the flow of drainage is shown by arrows.
本実施の形態の天井システムでは、天井スラブ１から野縁部材３の上に滴下した水（あるいは、吊りハンガー２から伝ってきた水）は、野縁部材３の中空本体の上面の樋部９によって受けられるか、中空本体の側面を流れることになる。したがって、野縁部材３の中空本体の下面のネジ１１やネジ穴１２には、水が入り込むことが防止される。 In the ceiling system according to the present embodiment, water dripped onto the field edge member 3 from the ceiling slab 1 (or water transmitted from the hanging hanger 2) is the flange 9 on the upper surface of the hollow body of the field edge member 3. Or will flow through the side of the hollow body. Accordingly, water can be prevented from entering the screw 11 and the screw hole 12 on the lower surface of the hollow body of the field member 3.
野縁部材３の中空本体の樋部９に受けられた水は、野縁部材３の樋部９によって形成された排水経路を上流側から下流側へ流れ（図３参照）、最下流の野縁部材３の樋部９から谷樋７を流れて、排水口６から排水される（図１および図２参照）。 The water received by the flange portion 9 of the hollow body of the field edge member 3 flows from the upstream side to the downstream side through the drainage path formed by the flange portion 9 of the field edge member 3 (see FIG. 3). It flows from the trough 9 of the edge member 3 through the trough 7 and is drained from the drain 6 (see FIGS. 1 and 2).
また、野縁部材３の中空本体の側面を流れる水は、水切り部１０から天井パネル５の上面へ流れ落ち（図４参照）、天井パネル５によって形成された排水経路を上流側から下流側へ流れ、最下流の天井パネル５から谷樋７を流れて、排水口６から排水される（図１および図２参照）。 Moreover, the water which flows through the side surface of the hollow body of the field member 3 flows down from the draining portion 10 to the upper surface of the ceiling panel 5 (see FIG. 4), and flows through the drainage path formed by the ceiling panel 5 from the upstream side to the downstream side. From the most downstream ceiling panel 5, it flows through the trough 7 and is drained from the drain port 6 (see FIGS. 1 and 2).
このような本実施の形態の天井システムによれば、野縁部材３の中空本体の両側面に水切り部１０を設けるとともに、中空本体の下面の中央部にパネル取付部を設けることにより、天井スラブ１から滴下した水によってネジ１１やネジ穴１２（パネル取付部）が腐食するのを防ぐことが可能になる。 According to the ceiling system of the present embodiment, the ceiling slab is provided by providing the draining portions 10 on both side surfaces of the hollow body of the field member 3 and providing the panel mounting portion at the center of the lower surface of the hollow body. It is possible to prevent the screw 11 and the screw hole 12 (panel mounting portion) from being corroded by water dripped from 1.
すなわち、本実施の形態では、天井スラブ１から滴下した水は、野縁部材３の中空本体部８の両側面の下部の水切り部１０から流れ落ち、中空本体部８の下面の中央部のネジ１１やネジ穴１２（パネル取付部）の部分には入り込まない。したがって、天井スラブ１から滴下した水によってネジ１１やネジ穴１２（パネル取付部）が腐食するのを防ぐことができる。そして、この場合には、ねじ止めなどの簡単な施工によって水漏れを防止することができ、特別な水密処理を別途施す必要がない。 That is, in the present embodiment, the water dripped from the ceiling slab 1 flows down from the draining portions 10 on the lower side surfaces of the hollow body portion 8 of the field member 3, and the screw 11 at the center portion on the lower surface of the hollow body portion 8. Or screw holes 12 (panel mounting portion). Therefore, it is possible to prevent the screw 11 and the screw hole 12 (panel mounting portion) from being corroded by water dripped from the ceiling slab 1. In this case, water leakage can be prevented by simple construction such as screwing, and there is no need to perform a special watertight treatment.
また、本実施の形態では、天井スラブ１から野縁部材３上に滴下した水は、（天井パネル５の上面だけでなく）中空本体部８の上面の樋部９を流れて排水される。したがって、中空本体部８の下面のネジ１１やネジ穴１２（パネル取付部）が腐食するのを防ぐことができるとともに、天井スラブ１からの漏水の排水機能を向上させることができる。 Moreover, in this Embodiment, the water dripped on the edge member 3 from the ceiling slab 1 flows through the collar part 9 on the upper surface of the hollow main body part 8 (not only the upper surface of the ceiling panel 5) and is drained. Therefore, the screw 11 and the screw hole 12 (panel mounting portion) on the lower surface of the hollow main body portion 8 can be prevented from being corroded, and the water drainage function from the ceiling slab 1 can be improved.
以上、本発明の実施の形態を例示により説明したが、本発明の範囲はこれらに限定されるものではなく、請求項に記載された範囲内において目的に応じて変更・変形することが可能である。 The embodiments of the present invention have been described above by way of example, but the scope of the present invention is not limited to these embodiments, and can be changed or modified in accordance with the purpose within the scope of the claims. is there.
以上の説明では、天井スラブに吊り下げれられた吊りハンガーに野縁受け部材が支持されており、その野縁受け部材に野縁部材が取り付けられた例について説明したが、本発明の範囲はこれに限定されるものではない。例えば、天井スラブの下方に（吊りハンガーを介さずに）野縁受け部材が差し渡されており、その野縁受け部材に野縁部材が取り付けられてもよい。 In the above description, the field edge receiving member is supported on the hanging hanger suspended from the ceiling slab, and the field edge member is attached to the field edge receiving member. However, the scope of the present invention is not limited to this. It is not limited to. For example, a field edge receiving member may be provided below the ceiling slab (without a hanging hanger), and the field edge member may be attached to the field edge receiving member.
以上のように、本発明にかかる天井システムは、天井スラブから滴下した水によってパネル取付部が腐食するのを防ぐことが可能であるという効果を有し、地下鉄の駅や地下街などで用いられ、有用である。 As described above, the ceiling system according to the present invention has an effect that it is possible to prevent the panel mounting portion from being corroded by water dripped from the ceiling slab, and is used in a subway station, an underground mall, and the like. Useful.
１ 天井スラブ
２ 吊りハンガー
３ 野縁部材
４ 野縁受け部材
５ 天井パネル
６ 排水口
７ 谷樋
８ 中空本体部
９ 樋部
１０ 水切り部
１１ ネジ
１２ ネジ穴
DESCRIPTION OF SYMBOLS 1 Ceiling slab 2 Hanging hanger 3 Field edge member 4 Field edge receiving member 5 Ceiling panel 6 Drain outlet 7 Valley trough 8 Hollow main body part 9 Girder part 10 Drain part 11 Screw 12 Screw hole
Claims (4)
前記野縁部材は、上面と両側面と下面を有する中空本体部を備え、
前記中空本体部の両側面の下部には、下方に向けて突出した水切り部が設けられ、
前記中空本体部の下面の中央部には、前記天井パネルを取り付けるためのパネル取付部が設けられていることを特徴とする天井システム。 In a ceiling system comprising a field edge member supported by a support member provided below a ceiling slab, and a ceiling panel attached in a state inclined to the lower side of the field edge member,
The field member comprises a hollow body having an upper surface, both side surfaces, and a lower surface,
At the lower part of both side surfaces of the hollow body part, a draining part protruding downward is provided,
A ceiling system, wherein a panel attaching portion for attaching the ceiling panel is provided at a central portion of the lower surface of the hollow main body portion.
上面と両側面と下面を有する中空本体部と、
前記中空本体部の両側面の下部に設けられ、下方に向けて突出した水切り部と、
前記中空本体部の下面の中央部に設けられ、前記天井パネルを取り付けるためのパネル取付部と、
を備えることを特徴とする野縁部材。 A field member that is supported by a support member provided below the ceiling slab and is attached in a state where the ceiling panel is inclined to the lower side,
A hollow body having an upper surface, both side surfaces and a lower surface;
A drainer provided at the lower part of both side surfaces of the hollow body part and projecting downward;
A panel mounting portion for mounting the ceiling panel, provided at the center of the lower surface of the hollow body portion;
Field edge member characterized by comprising.
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| JP2008316623A JP5122431B2 (en) | 2008-12-12 | 2008-12-12 | Ceiling system and edge member |
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| JP2008316623A JP5122431B2 (en) | 2008-12-12 | 2008-12-12 | Ceiling system and edge member |
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| JP2010138619A true JP2010138619A (en) | 2010-06-24 |
| JP5122431B2 JP5122431B2 (en) | 2013-01-16 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006057375A (en) * | 2004-08-23 | 2006-03-02 | Nec Networks & System Integration Corp | Waterproof ceiling |
| JP2006124933A (en) * | 2004-10-26 | 2006-05-18 | Morimura Kinzoku Kk | Ceiling structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006057375A (en) * | 2004-08-23 | 2006-03-02 | Nec Networks & System Integration Corp | Waterproof ceiling |
| JP2006124933A (en) * | 2004-10-26 | 2006-05-18 | Morimura Kinzoku Kk | Ceiling structure |
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