JP3035502U - Waterproof base material for construction - Google Patents
Waterproof base material for constructionInfo
- Publication number
- JP3035502U JP3035502U JP1996009021U JP902196U JP3035502U JP 3035502 U JP3035502 U JP 3035502U JP 1996009021 U JP1996009021 U JP 1996009021U JP 902196 U JP902196 U JP 902196U JP 3035502 U JP3035502 U JP 3035502U
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- Prior art keywords
- base material
- sheet
- roof
- slip
- bonded
- 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.)
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Abstract
(57)【要約】
【課題】 建築用防水下地材において、屋根又は壁、床
などに浸入した雨水等の下地材表面における排水性及び
湿気等の通気性を向上すると共に、雨水排水の横走りを
防止し、且つ下地材の敷設作業における作業者の足のす
べり止め効果を発揮する。
【解決手段】 軟質性合成樹脂のシート状基材７の上下
両面に紙８，９を接合すると共に、少なくともその一面
には一方向に連続した直線状に伸びる一定高さの突条１
４を等間隔に形成し且つこのシート状基材と紙とを接着
剤を介さずに圧着一体化し、さらに上記シート状基材７
の一面には所定の高さだけ突出した多数のすべり止め突
部１１を一体的に形成すると共にこれらのすべり止め突
部１１を所定の単位面積中に複数個存在するように配置
して全面に等方的に設けたものである。これにより、屋
根又は壁、床などに浸入した雨水等の下地材表面におけ
る排水性及び湿気等の通気性を向上すると共に、雨水排
水の横走りを防止することができ、且つ下地材の敷設作
業における作業者の足のすべり止め効果を発揮すること
ができる。
(57) 【Abstract】 PROBLEM TO BE SOLVED: To improve drainage and moisture permeability on the surface of a base material such as rainwater that has infiltrated into a roof, a wall, a floor, etc. in a waterproof base material for construction, and to laterally run rainwater drainage. And prevents the foot of the operator from slipping during the work of laying the base material. SOLUTION: Papers 8 and 9 are joined to the upper and lower surfaces of a flexible synthetic resin sheet-shaped substrate 7, and at least one surface thereof has a ridge 1 having a constant height extending linearly in one direction.
4 are formed at equal intervals, and the sheet-shaped base material and the paper are pressure-bonded integrally without an adhesive, and the sheet-shaped base material 7 is further formed.
On one surface, a large number of anti-slip protrusions 11 protruding by a predetermined height are integrally formed, and at the same time, a plurality of these anti-slip protrusions 11 are arranged in a predetermined unit area to cover the entire surface. It is provided isotropically. As a result, it is possible to improve drainage on the surface of the base material such as rainwater that has infiltrated into the roof, wall, floor, etc. and breathability of moisture etc., and to prevent lateral running of rainwater drainage, and laying the base material. It is possible to exert an anti-slip effect on the worker's foot in the.
Description
【０００１】[0001]
本考案は、屋根下葺材又は壁のラス下地材、床の下地材等として用いる建築用 防水下地材に関し、特に屋根又は壁、床などに浸入した雨水等の下地材表面にお ける排水性及び湿気等の通気性を向上すると共に、雨水排水の横走りを防止し、 且つ下地材の敷設作業における作業者の足のすべり止め効果を発揮することがで きる建築用防水下地材に関する。 The present invention relates to a waterproof base material for construction used as a roof underlay material or a lath base material for a wall, a floor base material, etc., and particularly to a drainage property on the surface of the base material such as rainwater that has infiltrated into the roof, wall or floor. The present invention relates to a waterproofing base material for a building, which can improve breathability of moisture and the like, prevent lateral running of rainwater drainage, and exhibit an anti-slip effect for workers' feet during the work of laying the base material.
【０００２】[0002]
従来の建築用防水下地材、例えば屋根下葺材は、各種提案されているが、例え ば軟質性合成樹脂のシート状基材の上下両面に紙を一体的に接合して成っていた 。或いは、実公昭５４−３２８２４号公報に記載されているように、半硬質合成 樹脂のシート状基材の上下両面に紙を接合すると共に、少なくともその一面はシ ート状基材と紙とが接着剤を介さずに圧着一体化されておおむね一方向に並んだ うね状突起を有して成っていた。 Various types of conventional waterproofing base materials for buildings, such as roof underlaying materials, have been proposed. For example, a sheet-like base material made of a flexible synthetic resin is integrally bonded with paper on both upper and lower sides. Alternatively, as described in Japanese Utility Model Publication No. 54-32824, paper is joined to both upper and lower sides of a sheet-like base material of semi-rigid synthetic resin, and at least one surface of the sheet-like base material and the sheet-like base material It consisted of ridge-shaped protrusions that were generally pressure-bonded and integrated in one direction without using an adhesive.
【０００３】 そして、このような屋根下葺材を使用して屋根の瓦葺きをするには、図９に示 すように、屋根の棟から軒に向かって傾斜して渡された垂木１，１，…の上に、 その傾斜に沿って野地板２が打ち付けられ、この野地板２の上面にシート状の屋 根下葺材３が敷かれ、この屋根下葺材３の上面に所定の間隔で軒線と平行に瓦桟 ４，４，…が釘等で打ち付けられていた。そして、図１０に示すように、裏面上 部に引掛爪を有する瓦５の該引掛爪を上記瓦桟４の上辺部に引っ掛けることによ り、上記瓦５を滑り落ちないように掛止して屋根を形成していた。Then, in order to tile the roof using such under-roofing material, as shown in FIG. 9, rafters 1, 1, which are inclined from the roof ridge toward the eaves 1, 1, The bottom board 2 is struck along the slope on the top of the ..., and the sheet-shaped roofing roofing material 3 is laid on the upper surface of the roofing board 2, and the eaves line is formed on the upper surface of the roofing roofing material 3 at predetermined intervals. In parallel with the roof tiles 4, 4, ... were struck with nails. Then, as shown in FIG. 10, by hooking the hook claws of the roof tile 5 having the hook claws on the upper surface of the back side to the upper side portions of the roof tile bars 4, the roof tiles 5 are locked so as not to slide down. Formed a roof.
【０００４】[0004]
しかし、このような従来の屋根下葺材３においては、その上面はおおむね平ら に形成されていたので、野地板２上に敷かれた屋根下葺材３の上面にのって瓦葺 き作業をするのに、作業者の足がすべることがあった。特に、図９に示すように 、野地板２上に敷かれた屋根下葺材３の上面に所定の間隔で瓦桟４，４，…を釘 等で打ち付ける作業をするときは、平らな上面の屋根下葺材３以外には何もなく 、上記屋根下葺材３の上面で作業者の作業靴がすべることがあり、安全性の確保 が十分にできないものであった。 However, in such a conventional under-roof material 3, since the upper surface thereof is formed to be generally flat, the roofing work is performed on the upper surface of the under-roof material 3 laid on the base plate 2. In some cases, the worker's feet slipped. In particular, as shown in FIG. 9, when the roof tiles 3 laid on the base plate 2 are struck with tiles or the like at predetermined intervals on the upper surface of the roof underlaying material 3, a flat upper surface is used. There was nothing other than the under-roof material 3, and the worker's work shoes could slip on the upper surface of the under-roof material 3, and safety could not be sufficiently secured.
【０００５】 これに対し、前記実公昭５４−３２８２４号公報に記載された屋根下葺材は、 その上面におおむね一方向に並んだうね状突起を有しているが、このうね状突起 は屋根からの漏水を軒方向に案内して流下せしめるものであり、その方向性はお おむね屋根の棟から軒に向かって上下方向に伸びるように位置付けられるもので あった。従って、この屋根下葺材の上面にのって瓦桟を打ち付けたり、瓦を並べ たりする作業において、作業者の足のすべり止めの効果はほとんど期待できず、 やはり安全性の確保が十分にできないものであった。On the other hand, the under-roof material disclosed in Japanese Utility Model Publication No. 54-32824 has ridge-shaped projections which are generally arranged in one direction on the upper surface thereof. Water leakage from the roof was guided in the direction of the eaves and allowed to flow down, and the direction of the water leakage was generally positioned to extend vertically from the roof ridge toward the eaves. Therefore, in the work of striking roof tiles and arranging tiles on the upper surface of this roof underlayment, the effect of preventing the feet of workers from slipping can hardly be expected, and safety cannot be sufficiently secured. It was a thing.
【０００６】 そこで、本考案は、このような問題点に対処し、屋根又は壁、床などに浸入し た雨水等の下地材表面における排水性及び湿気等の通気性を向上すると共に、雨 水排水の横走りを防止し、且つ下地材の敷設作業における作業者の足のすべり止 め効果を発揮することができる建築用防水下地材を提供することを目的とする。[0006] Therefore, the present invention addresses such problems and improves drainage and moisture permeability on the surface of a base material such as rainwater that has infiltrated into a roof, a wall, a floor, etc. An object of the present invention is to provide a waterproof base material for construction, which can prevent lateral running of drainage and can exhibit an effect of preventing a worker's feet from slipping during the work of laying the base material.
【０００７】[0007]
上記目的を達成するために、第一の考案による建築用防水下地材は、軟質性合 成樹脂のシート状基材の上下両面に紙を接合すると共に、少なくともその一面に はシート状基材と紙とが接着剤を介さずに圧着一体化されておおむね一方向に並 んだうね状突起を形成し、且つ上記シート状基材の一面には所定の高さだけ突出 した多数のすべり止め突部を一体的に形成すると共にこれらのすべり止め突部を 所定の単位面積中に複数個存在するように配置して全面に等方的に設けたもので ある。 In order to achieve the above-mentioned object, the waterproofing base material for construction according to the first invention joins paper to the upper and lower surfaces of a sheet material of a flexible synthetic resin, and at least one surface of the sheet material is a sheet material. The paper and the paper are pressed and integrated without an adhesive to form ridge-shaped protrusions that are generally aligned in one direction, and a large number of slip stoppers that protrude to a certain height on one surface of the sheet-shaped base material. The projections are integrally formed, and a plurality of these anti-slip projections are arranged so as to exist in a predetermined unit area and are isotropically provided on the entire surface.
【０００８】 また、第二の考案による建築用防水下地材は、軟質性合成樹脂のシート状基材 の上下両面に紙を接合すると共に、少なくともその一面には一方向に連続した直 線状に伸びる一定高さの突条を等間隔に形成し且つこのシート状基材と紙とを接 着剤を介さずに圧着一体化し、さらに上記シート状基材の一面には所定の高さだ け突出した多数のすべり止め突部を一体的に形成すると共にこれらのすべり止め 突部を所定の単位面積中に複数個存在するように配置して全面に等方的に設けた ものである。Further, the waterproofing base material for construction according to the second invention is such that the paper is joined to the upper and lower surfaces of the sheet-like base material of the soft synthetic resin, and at least one surface of the waterproof base material is a straight line continuous in one direction. Elongated ridges having a constant height are formed at equal intervals, and the sheet-like base material and the paper are pressure-bonded and integrated without using an adhesive. Further, the sheet-like base material is projected at a predetermined height on one surface. A large number of the anti-slip projections are integrally formed, and a plurality of these anti-slip projections are arranged so as to exist in a predetermined unit area and are isotropically provided on the entire surface.
【０００９】 さらに、第三の考案による建築用防水下地材は、軟質性合成樹脂のシート状基 材の上下両面に紙を接合すると共に、少なくともその一面にはシート状基材と紙 とが接着剤を介さずに圧着一体化されておおむね一方向に並んだうね状突起を形 成し、且つ上記シート状基材の一面には上記うね状突起と略平行に伸び連続した 直線状で一定高さの突条を等間隔に形成すると共にこのシート状基材と紙とを接 着剤を介さずに圧着一体化し、さらに上記シート状基材の一面には所定の高さだ け突出した多数のすべり止め突部を一体的に形成すると共にこれらのすべり止め 突部を所定の単位面積中に複数個存在するように配置して全面に等方的に設けた ものである。[0009] Furthermore, the waterproofing base material for construction according to the third invention is configured such that paper is bonded to both upper and lower sides of a sheet base material of a soft synthetic resin, and at least one surface of the base material and the paper are adhered to each other. Forming ridge-shaped protrusions that are pressure-bonded and integrated in one direction without using an agent, and extend continuously in parallel with the ridge-shaped protrusions on one surface of the sheet-shaped substrate, and form a continuous linear shape. The ridges having a constant height are formed at equal intervals, and the sheet-like base material and the paper are pressure-bonded and integrated without an adhesive, and further, the sheet-like base material is projected at a predetermined height on one surface of the sheet-like base material. A large number of anti-slip protrusions are integrally formed, and a plurality of these anti-slip protrusions are arranged so as to be present in a predetermined unit area and are isotropically provided on the entire surface.
【００１０】 なお、上記各手段のすべり止め突部は、下部が大径とされると共に上部が小径 とされ所定の高さだけ２段階に突出したものとしてもよい。The anti-slip projections of each of the above means may have a large diameter in the lower portion and a small diameter in the upper portion, and may protrude in two steps by a predetermined height.
【００１１】 また、上記各手段のすべり止め突部は、下部の大径とされた部分の側断面形状 を矩形又は台形に形成し、上部の小径とされた部分の側断面形状を矩形又は台形 に形成してもよい。Further, the non-slip projections of each of the above means are formed such that the side cross-sectional shape of the lower diameter portion is rectangular or trapezoidal, and the side cross-sectional shape of the upper diameter portion is rectangular or trapezoidal. You may form in.
【００１２】[0012]
以下、本考案の実施の形態を添付図面に基づいて詳細に説明する。 図１は第一の考案による建築用防水下地材のうち屋根下葺材を実施例として示 す斜視図である。この屋根下葺材６は、図９に示すように屋根の瓦葺きの際に野 地板２上に敷くもので、図１に示すように、シート状基材７の上下両面にそれぞ れ紙８，９が接合されている。上記シート状基材７は、本実施例の屋根下葺材６ の芯材となるもので、例えばポリエチレンなどの軟質性合成樹脂により厚さが0. 5〜１mm程度のシート状に形成されている。また、紙８，９は、上記シート状基 材７の上下両面を覆う表面材となるもので、例えばクラフト紙からなり、該シー ト状基材７の上面及び下面にそれぞれ一体的に接合されている。 Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a perspective view showing an example of a roof underlaying material among the waterproof base materials for construction according to the first invention. As shown in FIG. 9, this under-roofing material 6 is laid on the base plate 2 at the time of roofing the roof, and as shown in FIG. 9 is joined. The sheet-shaped base material 7 serves as a core material of the roof underlayment material 6 of the present embodiment, and is formed of a soft synthetic resin such as polyethylene into a sheet shape having a thickness of about 0.5 to 1 mm. . The papers 8 and 9 are surface materials that cover the upper and lower surfaces of the sheet-like base material 7, and are made of, for example, kraft paper, and are integrally joined to the upper surface and the lower surface of the sheet-like base material 7, respectively. ing.
【００１３】 そして、上記シート状基材７の少なくとも一面、例えば上面には、該シート状 基材７と上面の紙８とが接着材を介さずに圧着一体化されると共に、おおむね一 方向に並んだうね状突起１０，１０，…が無数に形成されている。このうね状突 起１０は、屋根下葺材６の上面に打ち付けられる瓦桟との間にそのうね状突起１ ０の高さ分だけの小さい隙間（以下「微小な隙間」という）を形成して、例えば 屋根からの漏水を軒方向に案内して排水せしめたり、通気性を向上するものであ る。なお、上記シート状基材７の下面側にもうね状突起１０，１０，…を無数に 設けてもよいが、必ずしも設ける必要はない。Then, the sheet-like base material 7 and the paper 8 on the upper surface are pressure-bonded integrally to at least one surface, for example, the upper surface of the above-mentioned sheet-like base material 7 without using an adhesive, and are generally in one direction. Innumerable ridge-shaped projections 10, 10, ... Which are lined up are formed. The ridge-shaped protrusion 10 forms a small gap (hereinafter, referred to as a “minute gap”) between the roof ridge 10 and the tile crosspiece that is driven on the upper surface of the roof underlayment 6 by the height of the ridge-shaped protrusion 10. Then, for example, water leaks from the roof are guided toward the eaves to drain the water and improve breathability. In addition, innumerable ridge-shaped projections 10, 10, ... May be provided on the lower surface side of the sheet-shaped substrate 7, but it is not always necessary.
【００１４】 そして、上記シート状基材７の一面、例えば上面においてうね状突起１０，１ ０，…が形成された面には、多数のすべり止め突部１１，１１，…が一体的に形 成されている。このすべり止め突部１１は、例えば屋根の瓦葺きの際に野地板上 に敷かれた屋根下葺材６の上面にのって作業をする作業者の足のすべり止め効果 を発揮するもので、図２に示すように、上記うね状突起１０の高さと同等かそれ 以上の高さで１段に突出している。その突出高さは、例えば２〜2.5mm程度とさ れている。なお、これらのすべり止め突部１１，１１の間には、複数のうね状突 起１０，１０，…が走っている。On one surface of the sheet-like base material 7, for example, the surface on which the ridge-shaped projections 10, 10, ... Are formed, a large number of anti-slip projections 11, 11, ... Are integrally formed. Is being formed. This anti-slip projection 11 has an effect of preventing the foot of an operator working on the upper surface of the roof underlayment material 6 laid on the roof plate when roofing the roof, for example. As shown in FIG. 2, the ridge-shaped projection 10 is projected in one step at a height equal to or higher than the height. The protruding height is set to, for example, about 2 to 2.5 mm. A plurality of ridge-shaped protrusions 10, 10, ... Execute between these non-slip protrusions 11, 11.
【００１５】 本考案においては、上記すべり止め突部１１は、上述のように１段に突出して いるものに限らず、図３（ａ）に示すように、下部が大径とされると共に上部が 小径とされ所定の高さだけ２段階に突出したすべり止め突部１１′としてもよい 。すなわち、下部大径突部１２は、図４に示すように平面視で直径約４mm程度の 円形の台座とされており、図３（ａ）に示すように側断面形状は矩形とされ、高 さが約1.5mm程度とされている。また、上部小径突部１３は、図４に示すように 上記下部大径突部１２の中心部にて平面視で直径約２mm程度の円形の突起とされ ており、図３（ａ）に示すように側断面形状は矩形とされ、高さが約１mm程度と されている。従って、上記のように２段に形成されたすべり止め突部１１′の全 体では、突出高さＨ1が約2.5mm程度とされている。この場合は、上記すべり止め 突部１１′の下部大径突部１２で踏み感の安定性を維持し、上部小径突部１３で 作業者の作業靴下面にくいつき状となり、すべり止め効果を増大させることがで きる。In the present invention, the anti-slip protrusion 11 is not limited to the one that protrudes in one step as described above, but as shown in FIG. 3A, the lower portion has a large diameter and the upper portion. Alternatively, the non-slip projection 11 'may have a small diameter and project in two steps by a predetermined height. That is, as shown in FIG. 4, the lower large-diameter protrusion 12 is a circular pedestal having a diameter of about 4 mm in a plan view, and has a rectangular side cross-section as shown in FIG. Is about 1.5 mm. As shown in FIG. 4, the upper small-diameter protrusion 13 is a circular protrusion having a diameter of about 2 mm in plan view at the center of the lower large-diameter protrusion 12, as shown in FIG. 3 (a). Thus, the side cross section is rectangular and the height is about 1 mm. Therefore, the projection height H 1 is about 2.5 mm in the entire anti-slip projection 11 'formed in two steps as described above. In this case, the stability of the feeling of stepping is maintained by the lower large-diameter projection 12 of the non-slip projection 11 ′, and the upper small-diameter projection 13 makes the bottom surface of the worker's work shoe difficult to stick to, thus increasing the anti-slip effect. Can be done.
【００１６】 さらに、上記２段階に突出したすべり止め突部１１′において、図３（ｂ）に 示すように、下部大径突部１２の側断面形状を台形に形成し、上部小径突部１３ の側断面形状を矩形に形成してもよい。この場合は、屋根下葺材６を製造すると きに、シート状基材７の上面に圧着一体化される上面側の紙８が破れにくくする ことができる。従って、屋根下葺材６の仕上がりをきれいにすることができる。 なお、上部小径突部１３の側断面形状も台形に形成してもよい。Further, in the anti-slip protrusion 11 ′ protruding in the above two steps, as shown in FIG. 3B, the side cross-sectional shape of the lower large diameter protrusion 12 is formed into a trapezoidal shape, and the upper small diameter protrusion 13 is formed. The side cross-sectional shape of may be formed in a rectangular shape. In this case, when the roofing roofing material 6 is manufactured, it is possible to prevent the paper 8 on the upper surface side, which is pressure-bonded and integrated with the upper surface of the sheet-shaped base material 7, from breaking. Therefore, the finish of the under-roof material 6 can be cleaned. The side cross-sectional shape of the upper small diameter protrusion 13 may also be trapezoidal.
【００１７】 そして、これらのすべり止め突部１１又は１１′は、図４に示すように、所定 の単位面積Ｓの中に複数個存在するように配置して全面に等方的に設けられてい る。すなわち、屋根下葺材６の上面に打ち付けられる瓦桟４（図９参照）の幅を ｗとすると、この幅ｗを一辺とする正方形の面積を単位面積Ｓとし、この単位面 積Ｓ中に所定の複数個が配置されている。具体的には、屋根下葺材６の長手方向 に沿って多数行設けられたすべり止め突部１１又は１１′を、一行おきに半ピッ チだけ位置をずらして千鳥状に配置し、例えば１８mm四方の面積Ｓの中に４個以 上のすべり止め突部１１又は１１′が配置されている。なお、図４では、図面を 簡略化するためうね状突起１０，１０，…の図示は省略しており、すべり止め突 部として２段階に突出したもの（１１′）を形成した場合を示している。As shown in FIG. 4, the anti-slip projections 11 or 11 ′ are arranged so as to be present in a predetermined unit area S and are isotropically provided on the entire surface. It That is, assuming that the width of the roof tile rail 4 (see FIG. 9) that is hammered on the upper surface of the roof underlayment 6 is w, the area of a square having this width w as one side is the unit area S, and the unit area S Are arranged. Specifically, a large number of rows of anti-slip projections 11 or 11 'provided along the longitudinal direction of the roof underlayment 6 are arranged in a zigzag pattern by shifting the positions by half a pitch every other row, for example, 18 mm square. There are four or more non-slip projections 11 or 11 'arranged in the area S of. In addition, in FIG. 4, the ridge-shaped projections 10, 10, ... Are omitted for the sake of simplification of the drawing, and a case where a non-slip projection (11 ') that protrudes in two steps is formed is shown. ing.
【００１８】 なお、図４において、前記シート状基材７の幅方向の両側辺部の一定領域Ｅ1 ，Ｅ2に設けられるすべり止め突部１１又は１１′は、それ以外の中間部領域の すべり止め突部１１又は１１′の突出高さより低く形成されている。これは、図 ９において野地板２上に屋根下葺材６を傾斜の低い方から高い方へ敷いて行く際 に、図５に示すように、隣接する側辺部の重ね合わせ部分が他の部分に比べて大 きく盛り上がらないようにするためである。そして、一定領域Ｅ1，Ｅ2の幅は例 えば約１０〜１５cm程度であり、この領域Ｅ1，Ｅ2内のすべり止め突部１１又は １１′の高さは例えば約1.3mm程度に抑えられ、上記重ね合わせ部分の高さＨ2が それ以外の部分の突出高さＨ1の1.5倍以内となるようにされている。このような 屋根下葺材６の全体的な寸法は、例えば幅が１〜２ｍ前後とされ、長さが約２１ ｍ，４２ｍなどとされている。そして、図１において、屋根下葺材６の例えば一 端部６ａ側が屋根の棟側に位置され、他端部６ｂ側が軒側に位置して、その上面 のうね状突起１０，１０，…の長手方向が屋根の傾斜方向に沿うようにされてい る。In FIG. 4, the non-slip projections 11 or 11 ′ provided in the fixed regions E 1 and E 2 on both side portions in the width direction of the sheet-shaped base material 7 are the intermediate regions other than that. It is formed to be lower than the protrusion height of the anti-slip protrusion 11 or 11 '. As shown in FIG. 5, when the roof underlaying material 6 is laid from the lower slope to the higher slope on the base plate 2 in FIG. 9, as shown in FIG. This is to prevent it from rising to a greater extent than in. The widths of the constant regions E 1 and E 2 are, for example, about 10 to 15 cm, and the height of the non-slip projections 11 or 11 ′ in the regions E 1 and E 2 is suppressed to, for example, about 1.3 mm. The height H 2 of the overlapped portion is set to be within 1.5 times the projection height H 1 of the other portion. The overall dimensions of the under-roof material 6 are, for example, about 1 to 2 m in width and about 21 m, 42 m in length. In FIG. 1, for example, one end 6a side of the roof underlayment 6 is located on the ridge side of the roof, the other end 6b side is located on the eaves side, and the ridge-shaped projections 10, 10 ,. The longitudinal direction is along the roof slope.
【００１９】 上記のように構成された屋根下葺材６を使用して屋根の瓦葺きをするには、図 ９に示すように、屋根の傾斜に沿って野地板２を打ち付け、この野地板２の上面 に本考案に係る屋根下葺材６を敷き、この屋根下葺材６の上面に所定の間隔で軒 線と平行に瓦桟４，４，…を釘等で打ち付ける。このとき、作業者は、作業靴の まま屋根下葺材６の上面にのるが、図２に示すように、シート状基材７の上面に 所定の高さだけ突出した多数のすべり止め突部１１，１１，…により、足のすべ り止めの効果を受ける。すなわち、上記すべり止め突部１１がゴム製などの靴底 に多点で接触状態となり、屋根下葺材６上でほとんどすべることなく、安全に瓦 桟４を打ち付けることができる。また、上記瓦桟４は、図２に示すようにすべり 止め突部１１の上端部で支持されるが、該すべり止め突部１１は、図４に示すよ うに、所定の単位面積Ｓ中に所定の複数個存在するように配置されているので、 所定幅ｗの瓦桟４をその幅方向において常に複数個のすべり止め突部１１，１１ ，…で支持することとなり、打ち付け状態の瓦桟４が幅方向にぐらつかないよう に安定して固定できる。In order to roof the roof using the under roofing material 6 configured as described above, as shown in FIG. 9, the base plate 2 is struck along the slope of the roof, and the roof plate 2 The roof underlaying material 6 according to the present invention is laid on the upper surface, and the roof tiles 4, 4, ... Are struck by nails or the like on the upper surface of the roof underlaying material 6 at a predetermined interval in parallel with the eave lines. At this time, the worker rides on the upper surface of the underroof material 6 with his / her work shoes on, but as shown in FIG. 2, a large number of non-slip projections projecting on the upper surface of the sheet-shaped base material 7 by a predetermined height. The effect of slipping the foot is obtained by 11, 11 ,. That is, the non-slip projections 11 are brought into contact with the shoe bottom made of rubber or the like at multiple points, and the roof tiles 4 can be safely hit with almost no slip on the roof underlayment 6. As shown in FIG. 2, the roof tile rail 4 is supported by the upper end portion of the anti-slip projection 11. The anti-slip projection 11 has a predetermined unit area S as shown in FIG. Since the plurality of predetermined tiles are arranged, the roof tiles 4 having the predetermined width w are always supported in the width direction by the plurality of anti-slip projections 11, 11 ,. 4 can be fixed stably so that it does not wobble in the width direction.
【００２０】 その後、図１０に示すように、裏面上部に引掛爪を有する瓦５の該引掛爪を上 記瓦桟４の上辺部に引っ掛けることにより、上記瓦５を滑り落ちないように掛止 して瓦葺きをし、屋根を形成する。このときも、作業者は、作業靴のまま屋根下 葺材６及び瓦桟４の上にのりながら作業をするが、上述と同様に屋根下葺材６の 上面のすべり止め突部１１，１１，…のすべり止め効果により、安全に瓦葺きの 作業をすることができる。Thereafter, as shown in FIG. 10, by hooking the hook claws of the roof tile 5 having the hook claws on the upper surface of the back side, the roof tiles 5 are hooked so as not to slip down. Then roof and form a roof. At this time as well, the worker works while riding on the roof underlaying material 6 and the roof tile rails 4 with working shoes, but similarly to the above, the non-slip projections 11, 11, ... On the upper surface of the roof underlaying material 6. The anti-slip effect makes it possible to safely perform roofing work.
【００２１】 なお、上記瓦桟４は、屋根下葺材６のうね状突起１０，１０，…の長手方向と 直交して打ち付けられるので、図２に示すように、上記うね状突起１０及びすべ り止め突部１１の作用により下面側に微小な隙間を形成して浮き上がった状態と なる。そして、上記屋根下葺材６のシート状基材７は軟質性合成樹脂でできてい るので、上記うね状突起１０及びすべり止め突部１１が瓦桟４の打ち付けにより 圧縮されて扁平となることはなく、屋根下葺材６と瓦桟４との間に形成される微 小な隙間は各瓦桟４の長手方向において確保される。従って、屋根からの漏水を 瓦桟４の上角部に滞留させることなく、上記の隙間を介して通過させると共にう ね状突起１０，１０，…により案内して軒方向に流下排水させることができる。 また、上記の隙間により、上記瓦桟４との間における空気の流通作用を確保する ことができる。Since the roof tiles 4 are struck in a direction orthogonal to the longitudinal direction of the ridge-shaped projections 10, 10, ... Of the roof underlayment 6, as shown in FIG. 2, the ridge-shaped projections 10 and A small gap is formed on the lower surface side by the action of the anti-slip protrusions 11 and the state is raised. Since the sheet-shaped base material 7 of the roof underlayment 6 is made of a soft synthetic resin, the ridge-shaped projections 10 and the anti-slip projections 11 are compressed by the impact of the roof tile rails 4 to become flat. Instead, a minute gap formed between the roof underlaying material 6 and the roof tile rail 4 is secured in the longitudinal direction of each roof tile rail 4. Therefore, the leakage of water from the roof is allowed to pass through the above-mentioned gap without being retained in the upper corner portion of the roof tile rail 4, and to be guided by the ridge-shaped projections 10, 10, ... it can. In addition, the above-mentioned gap makes it possible to secure the air circulation action between the roof tile rail 4 and the roof tile rail 4.
【００２２】 図６は第二の考案による建築用防水下地材のうち屋根下葺材を実施例として示 す斜視図である。この実施例による屋根下葺材６は、図１に示すうね状突起１０ ，１０，…の代わりに複数の突条１４，１４，…を等間隔で形成したものであり 、他の構成は図１の場合と全く同様である。この突条１４は、上記うね状突起１ ０に代わって瓦桟４との間に形成される微小な隙間を略一定とするためのもので 、図６に示すように、シート状基材７の例えば上面にて一方向に連続した直線状 に伸び且つ一定高さで等間隔に形成されている。その高さは、図７に示すように 、すべり止め突部１１の突出高さと同等か、それよりもやや低くされている。ま た、その間隔は、例えば約２〜１０cm程度とされている。この場合は、上記一定 高さの複数の突条１４，１４，…を等間隔で形成したことにより、屋根下葺材６ と瓦桟４との間に形成される微小な隙間を各瓦桟４の長手方向において略一定に 保つことができる。従って、屋根からの漏水を瓦桟４の上角部に滞留させること なく、上記の隙間を介して通過させると共に突条１４，１４，…により横走りを 防止して軒方向に流下排水させることができる。また、上記の隙間が略一定に保 たれることから、上記瓦桟４との間における空気の流通作用を場所によらず一様 とすることができる。FIG. 6 is a perspective view showing, as an example, an under-roofing material among the waterproof base materials for construction according to the second invention. The under-roofing material 6 according to this embodiment has a plurality of ridges 14, 14, ... Formed at equal intervals instead of the ridge-shaped projections 10, 10 ,. It is exactly the same as the case of 1. The ridges 14 are for making a minute gap formed between the ridge-shaped projections 10 and the roof tile rails 4 substantially constant. As shown in FIG. For example, the upper surface of 7 extends linearly in one direction and is formed at a constant height at equal intervals. As shown in FIG. 7, the height thereof is equal to or slightly lower than the protruding height of the anti-slip projection 11. Moreover, the interval is set to about 2 to 10 cm, for example. In this case, since the plurality of ridges 14, 14, ... Of the above-mentioned constant height are formed at equal intervals, a minute gap formed between the roof underlaying material 6 and the roof tile rail 4 is formed in each tile rail 4. Can be kept substantially constant in the longitudinal direction. Therefore, the leakage of water from the roof is allowed to pass through the above-mentioned gaps without staying at the upper corners of the roof tiles 4, and the ridges 14, 14, ... Prevent lateral running and drain down the eaves toward the eaves. You can Further, since the above-mentioned gap is kept substantially constant, the air circulation action with the roof tile rail 4 can be made uniform regardless of the location.
【００２３】 図８は第三の考案による建築用防水下地材のうち屋根下葺材を実施例として示 す斜視図である。この実施例による屋根下葺材６は、図１に示す実施例と図６に 示す実施例とを組み合わせたもので、他の構成は図１の場合と全く同様である。 すなわち、シート状基材７の例えば上面におおむね一方向に並んだうね状突起１ ０，１０，…を形成し、且つ上記シート状基材７の上面には上記うね状突起１０ ，１０，…と略平行に伸び連続した直線状で一定高さの突条１４，１４，…を等 間隔に形成すると共にこのシート状基材７と紙８とを接着剤を介さずに圧着一体 化し、さらに上記シート状基材７の上面には所定の高さだけ突出した多数のすべ り止め突部１１，１１，…を一体的に形成したものである。この場合は、図８か ら明らかなように、一定高さで等間隔に形成された突条１４，１４，…の間に複 数のうね状突起１０，１０，…及びすべり止め突部１１，１１，…が存在するこ ととなり、屋根下葺材６と瓦桟４との間に形成される微小な隙間を各瓦桟４の長 手方向において略一定に保つ作用と、屋根からの漏水を滞留させることなく上記 の隙間を介して通過させると共に横走りを防止して軒方向に流下排水させる作用 と、上記の隙間による瓦桟４との間における空気の流通作用とをそれぞれ向上さ せることができる。FIG. 8 is a perspective view showing, as an example, an under-roof material of the waterproofing base material for construction according to the third invention. The under-roofing material 6 according to this embodiment is a combination of the embodiment shown in FIG. 1 and the embodiment shown in FIG. 6, and the other configurations are exactly the same as those in FIG. That is, for example, ridge-shaped projections 10, 10, ... Arranged in one direction are formed on the upper surface of the sheet-shaped base material 7, and the ridge-shaped projections 10, 1, 10 are formed on the upper surface of the sheet-shaped base material 7. , And the continuous linear ridges 14, 14 having a constant height are formed at equal intervals, and the sheet-shaped base material 7 and the paper 8 are pressure-bonded integrally without an adhesive. Further, on the upper surface of the sheet-like base material 7, a large number of non-slip projections 11, 11, ... Which are projected by a predetermined height are integrally formed. In this case, as is clear from FIG. 8, a plurality of ridge-shaped projections 10, 10, ... And non-slip projections are provided between the ridges 14, 14 ,. .. are present, the action of keeping a minute gap formed between the roof underlaying material 6 and the roof tile rail 4 substantially constant in the longitudinal direction of each roof tile rail 4, and the effect from the roof The function of allowing the leaked water to pass through the above gap without accumulating, preventing the lateral running and draining and draining toward the eaves, and the function of circulating the air between the roof tile rail 4 by the above gap are improved. Can be made.
【００２４】 なお、以上の説明においては、すべり止め突部１１の平面形状を円形に形成し たものとして示したが、本考案はこれに限らず、１段階又は２段階に突出した形 状にできすべり止め効果を発揮できるものならば、平面視で四角形、五角形、六 角形などの多角形に形成してもよい。また、以上の説明では、代表的な実施例と して屋根下葺材について説明したが、本考案はこれに限らず、壁のラス下地材又 は床の下地材等についても同様に適用することができる。この場合は、上述のう ね状突起１０及び突条１４並びにすべり止め突部１１の作用により、壁内部や床 内部等に浸入した雨水等の下地材表面における排水性及び湿気等の通気性を向上 することができると共に、雨水排水の横走りを防止し、且つ下地材の敷設作業に おける作業者の足のすべり止め効果を発揮することができる。In the above description, the anti-slip projection 11 is shown as having a circular plan shape, but the present invention is not limited to this and may have a shape protruding in one step or two steps. It may be formed in a polygonal shape such as a quadrangle, a pentagon or a hexagon in a plan view as long as it can exhibit an anti-slip effect. Further, in the above description, the roof underlayment material was described as a typical example, but the present invention is not limited to this, and the same can be applied to a lath base material for a wall or a base material for a floor. You can In this case, the action of the ridge-shaped projections 10 and the ridges 14 and the anti-slip projections 11 described above improves drainage and moisture permeability on the surface of the base material such as rainwater that has infiltrated inside the wall or floor. In addition to being able to improve, it is possible to prevent lateral runoff of rainwater drainage, and to exert an effect of preventing a worker's feet from slipping when laying a base material.
【００２５】[0025]
第一の考案による建築用防水下地材（図１参照）は以上のように構成されたの で、軟質性合成樹脂のシート状基材の上下両面に紙を接合すると共に、少なくと もその一面にはシート状基材と紙とが接着剤を介さずに圧着一体化されておおむ ね一方向に並んだうね状突起を形成し、且つ上記シート状基材の一面には所定の 高さだけ突出した多数のすべり止め突部を一体的に形成すると共にこれらのすべ り止め突部を所定の単位面積中に複数個存在するように配置して全面に等方的に 設けたことにより、屋根又は壁、床などに浸入した雨水等の下地材表面における 排水性及び湿気等の通気性を向上することができると共に、下地材の敷設作業に おける作業者の足のすべり止め効果を発揮することができる。従って、屋根又は 壁、床などの構成部材の湿気による腐食を防止して長持ちさせることができると 共に、下地材の敷設作業における作業の安全性を向上することができる。 Since the waterproofing base material for construction (see Fig. 1) according to the first invention is constructed as described above, the paper is joined to the upper and lower surfaces of the sheet material of the flexible synthetic resin, and at least one surface thereof is joined. The sheet-shaped base material and the paper are pressure-bonded and integrated without an adhesive to form ridge-shaped projections that are arranged substantially in one direction, and a predetermined height is provided on one surface of the sheet-shaped base material. By forming a large number of non-slip protrusions that are projected so much as one unit and arranging these non-slip protrusions so that they exist within a predetermined unit area, and providing them isotropically over the entire surface. It is possible to improve the drainage on the surface of the base material such as rainwater that has infiltrated into the roof, wall, floor, etc. and the air permeability of moisture, etc., and also the effect of preventing the feet of workers from slipping during the work of laying the base material. can do. Therefore, it is possible to prevent the components such as the roof, the wall, and the floor from being corroded by moisture and to last for a long time, and at the same time, it is possible to improve the safety of the work for laying the base material.
【００２６】 また、第二の考案による建築用防水下地材（図６参照）は以上のように構成さ れたので、軟質性合成樹脂のシート状基材の少なくとも一面には一方向に連続し た直線状に伸びる一定高さの突条を等間隔に形成し且つこのシート状基材と紙と を接着剤を介さずに圧着一体化したことにより、上記一定高さで等間隔に形成さ れた複数の突条によって下地材と屋根又は壁、床などの構成部材との間に形成さ れる微小な隙間を略一定に保つことができる。このことから、屋根又は壁、床な どに浸入した雨水等の下地材表面における排水性及び湿気等の通気性をより向上 することができると共に、雨水排水の横走りを防止することができる。Further, since the waterproof base material for construction according to the second invention (see FIG. 6) is configured as described above, at least one surface of the flexible synthetic resin sheet-like base material is continuous in one direction. By forming ridges of constant height extending linearly at equal intervals and integrally bonding the sheet-shaped base material and paper without an adhesive, the ridges are formed at equal intervals of the above-mentioned constant height. With the plurality of ridges formed, it is possible to keep the minute gaps formed between the base material and the constituent members such as the roof, the wall, and the floor substantially constant. From this, it is possible to further improve the drainage property on the surface of the base material such as rainwater that has infiltrated into the roof, the wall, the floor, etc. and the air permeability of moisture, etc., and it is possible to prevent the lateral running of the rainwater drainage.
【００２７】 また、第三の考案による建築用防水下地材（図８参照）は以上のように構成さ れたので、軟質性合成樹脂のシート状基材の少なくとも一面にはおおむね一方向 に並んだうね状突起を形成し、且つ上記シート状基材の一面には上記うね状突起 と略平行に伸び連続した直線状で一定高さの突条を等間隔に形成すると共にこの シート状基材と紙とを接着剤を介さずに圧着一体化したことにより、上記一定高 さで等間隔に形成された複数の突条の間に複数のうね状突起が存在することによ って、下地材と屋根又は壁、床などの構成部材との間に形成される微小な隙間を 略一定に保つことができると共に、浸入した雨水等を滞留させることなく上記の 隙間を介して通過させ且つ横走りを防止して流下排水させることができる。この ことから、屋根又は壁、床などに浸入した雨水等の下地材表面における排水性及 び湿気等の通気性を格段に向上することができる。Further, since the waterproof base material for construction (see FIG. 8) according to the third invention is configured as described above, it is arranged in at least one surface of the flexible synthetic resin sheet-like base material in one direction in general. The ridge-like protrusions are formed, and linear ridges having a constant height are formed on one surface of the sheet-like substrate and extend substantially parallel to the ridge-like protrusions at equal intervals. Since the base material and the paper are pressure-bonded integrally without an adhesive, a plurality of ridge-shaped projections are present between the plurality of ridges formed at the above-mentioned constant height and at equal intervals. This makes it possible to keep the minute gaps formed between the base material and the structural members such as the roof, walls, and floor almost constant, and to pass through the above gaps without retaining the infiltrated rainwater. In addition, it is possible to prevent lateral running and allow the water to drain down. From this, it is possible to remarkably improve the drainage property on the surface of the base material such as rainwater that has infiltrated into the roof, the wall, the floor, etc. and the air permeability of moisture etc.
【図１】第一の考案による建築用防水下地材のうち屋根
下葺材を実施例として示す斜視図である。FIG. 1 is a perspective view showing an example of a roof underlaying material among the waterproofing base materials for construction according to the first invention.
【図２】図１のＡ−Ａ線断面図である。FIG. 2 is a sectional view taken along line AA of FIG.
【図３】すべり止め突部の他の実施例による形状を示す
断面図である。FIG. 3 is a cross-sectional view showing a shape of a non-slip protrusion according to another embodiment.
【図４】すべり止め突部の配置例を示す平面図である。FIG. 4 is a plan view showing an arrangement example of anti-slip projections.
【図５】隣接する屋根下葺材の側辺部の重ね合わせ部分
のすべり止め突部はその突出高さが他の部分より低く形
成されていることを示す側面図である。FIG. 5 is a side view showing that the non-slip projections of the overlapping portions of the side portions of the adjacent roof underlaying material have a lower projection height than the other portions.
【図６】第二の考案による建築用防水下地材のうち屋根
下葺材を実施例として示す斜視図である。FIG. 6 is a perspective view showing, as an example, a roof underlayment member of the waterproofing base material for construction according to the second invention.
【図７】図６のＢ−Ｂ線断面図である。7 is a cross-sectional view taken along the line BB of FIG.
【図８】第三の考案による建築用防水下地材のうち屋根
下葺材を実施例として示す斜視図である。FIG. 8 is a perspective view showing, as an example, an under-roof material of the waterproofing base material for construction according to the third invention.
【図９】本考案及び従来例における屋根の瓦葺きの状態
を説明する斜視図である。FIG. 9 is a perspective view illustrating a roofing state of a roof according to the present invention and a conventional example.
【図１０】本考案及び従来例における屋根の形成状態を
示す要部の拡大側断面図である。FIG. 10 is an enlarged side sectional view of an essential part showing a roof formation state in the present invention and the conventional example.
２…野地板 ４…瓦桟 ６…屋根下葺材 ７…シート状基材 ８，９…紙 １０…うね状突起 １１，１１′…すべり止め突部 １２…下部大径突部 １３…上部小径突部 １４…突条 Ｓ…単位面積 2 ... Base plate 4 ... Roof tile 6 ... Roof underlaying material 7 ... Sheet-shaped base material 8, 9 ... Paper 10 ... Ridge protrusion 11, 11 '... Anti-slip protrusion 12 ... Lower large diameter protrusion 13 ... Upper small diameter Projection 14 ... Projection S ... Unit area
Claims (5)
面に紙を接合すると共に、少なくともその一面にはシー
ト状基材と紙とが接着剤を介さずに圧着一体化されてお
おむね一方向に並んだうね状突起を形成し、且つ上記シ
ート状基材の一面には所定の高さだけ突出した多数のす
べり止め突部を一体的に形成すると共にこれらのすべり
止め突部を所定の単位面積中に複数個存在するように配
置して全面に等方的に設けたことを特徴とする建築用防
水下地材。1. A sheet of base material made of a soft synthetic resin is bonded to upper and lower surfaces of the base material, and at least one surface of the base material and the paper are pressure-bonded and integrated without an adhesive. Forming a plurality of anti-slip projections which are formed in parallel with each other on one surface of the above-mentioned sheet-shaped substrate and which are projected at a predetermined height. A waterproof base material for construction, characterized in that a plurality of them are arranged in a unit area and are isotropically provided on the entire surface.
面に紙を接合すると共に、少なくともその一面には一方
向に連続した直線状に伸びる一定高さの突条を等間隔に
形成し且つこのシート状基材と紙とを接着剤を介さずに
圧着一体化し、さらに上記シート状基材の一面には所定
の高さだけ突出した多数のすべり止め突部を一体的に形
成すると共にこれらのすべり止め突部を所定の単位面積
中に複数個存在するように配置して全面に等方的に設け
たことを特徴とする建築用防水下地材。2. A sheet of flexible synthetic resin is bonded to both upper and lower sides of a sheet-like base material, and at least one surface thereof is provided with ridges of a constant height extending linearly in one direction at equal intervals. In addition, the sheet-shaped base material and the paper are pressure-bonded and integrated without using an adhesive, and a large number of non-slip projections protruding by a predetermined height are integrally formed on one surface of the sheet-shaped base material. A waterproof base material for construction, characterized in that a plurality of these anti-slip projections are arranged so as to exist in a predetermined unit area and are isotropically provided on the entire surface.
面に紙を接合すると共に、少なくともその一面にはシー
ト状基材と紙とが接着剤を介さずに圧着一体化されてお
おむね一方向に並んだうね状突起を形成し、且つ上記シ
ート状基材の一面には上記うね状突起と略平行に伸び連
続した直線状で一定高さの突条を等間隔に形成すると共
にこのシート状基材と紙とを接着剤を介さずに圧着一体
化し、さらに上記シート状基材の一面には所定の高さだ
け突出した多数のすべり止め突部を一体的に形成すると
共にこれらのすべり止め突部を所定の単位面積中に複数
個存在するように配置して全面に等方的に設けたことを
特徴とする建築用防水下地材。3. A sheet-like base material made of a flexible synthetic resin is bonded to upper and lower surfaces of the base material, and the sheet-like base material and the paper are pressure-bonded and integrated to at least one surface thereof without an adhesive. Ridges aligned in the direction are formed, and linear ridges with a constant height are formed on one surface of the sheet-shaped substrate and extend substantially in parallel with the ridge-like protrusions at equal intervals. The sheet-shaped base material and the paper are pressure-bonded and integrated without an adhesive, and a large number of non-slip projections protruding by a predetermined height are integrally formed on one surface of the sheet-shaped base material. A waterproof base material for construction, characterized in that a plurality of non-slip projections are arranged so as to exist in a predetermined unit area and are isotropically provided on the entire surface.
れると共に上部が小径とされ所定の高さだけ２段階に突
出したものとしたことを特徴とする請求項１，２又は３
記載の建築用防水下地材。4. The non-slip projection has a lower part having a large diameter and an upper part having a small diameter, and is projected in two steps by a predetermined height.
Waterproof base material for construction as described.
れた部分の側断面形状を矩形又は台形に形成し、上部の
小径とされた部分の側断面形状を矩形又は台形に形成し
たことを特徴とする請求項４記載の建築用防水下地材。5. The non-slip protrusion has a side portion having a large diameter in a lower portion and a side portion having a rectangular shape or a trapezoidal shape, and a portion having a small diameter in an upper portion has a side portion having a rectangular shape or a trapezoidal portion. The waterproof base material for construction according to claim 4, which is characterized in that.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1996009021U JP3035502U (en) | 1996-09-06 | 1996-09-06 | Waterproof base material for construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1996009021U JP3035502U (en) | 1996-09-06 | 1996-09-06 | Waterproof base material for construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP3035502U true JP3035502U (en) | 1997-03-28 |
Family
ID=43170313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1996009021U Expired - Lifetime JP3035502U (en) | 1996-09-06 | 1996-09-06 | Waterproof base material for construction |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3035502U (en) |
-
1996
- 1996-09-06 JP JP1996009021U patent/JP3035502U/en not_active Expired - Lifetime
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