JP2002155581A - Cut-off material for laying gap - Google Patents

Cut-off material for laying gap

Info

Publication number
JP2002155581A
JP2002155581A JP2000354324A JP2000354324A JP2002155581A JP 2002155581 A JP2002155581 A JP 2002155581A JP 2000354324 A JP2000354324 A JP 2000354324A JP 2000354324 A JP2000354324 A JP 2000354324A JP 2002155581 A JP2002155581 A JP 2002155581A
Authority
JP
Japan
Prior art keywords
play
cell foam
water
bonding
material layer
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.)
Granted
Application number
JP2000354324A
Other languages
Japanese (ja)
Other versions
JP3418830B2 (en
Inventor
Yukihiko Ishibashi
行彦 石橋
Hiroshi Yamauchi
寛 山内
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ASAHI KAKO KK
Nitta Corp
Original Assignee
ASAHI KAKO KK
Nitta Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ASAHI KAKO KK, Nitta Corp filed Critical ASAHI KAKO KK
Priority to JP2000354324A priority Critical patent/JP3418830B2/en
Publication of JP2002155581A publication Critical patent/JP2002155581A/en
Application granted granted Critical
Publication of JP3418830B2 publication Critical patent/JP3418830B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To provide a cut-off material for laying gap with an expansion part hardly bending in a vertical direction. SOLUTION: This cut-off material for the laying gap used being bonded between end face T, T forming the laying gap, is formed by stacking an upper side protective layer 56, a middle cut-off material layer 4 and a lower side support material layer 1 in order and integrally bonding them. The support material layer 1 as a pair of longitudinal closed call foam parts 2 and an expansion part 3 integrated being stuck between the closed cell foam part 2, 2. The expansion part 3 is constituted by bonding to integrate a plurality of open cell foam bodies 30 and a column member 21 hardly changing volume, and the column member 31 is received by a receiving member 6 fitted to the end faces T.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】この発明は、遊間からの雨水
などの落下を防止するための遊間用止水材に関するもの
である。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water stopping material for a play space for preventing rainwater or the like from falling from the play space.

【0002】[0002]

【従来の技術】遊間用止水材としては、例えば図5に示
すようなものがある。
2. Description of the Related Art As a water stopping material for play, there is, for example, one shown in FIG.

【0003】この遊間用止水材は、図5に示すように、
上側の保護層91、中程の止水材層92、下側の支持材層93
を順に積み重ねて接着一体化して成り、前記支持材層93
を、一対の縦長の独立気泡フォーム部94, 94と、前記独
立気泡フォーム部94, 94相互間に固着一体化された連続
気泡フォーム製の伸縮部95とから構成されており、両外
側面を直接又は他部材を介して端面Tに接着する態様で
設置される。
[0003] As shown in FIG.
Upper protective layer 91, middle waterproof layer 92, lower support layer 93
Are sequentially stacked and bonded and integrated, and the support material layer 93 is formed.
A pair of vertically elongated closed-cell foam portions 94, 94, and a stretchable portion 95 made of an open-cell foam integrally fixed between the closed-cell foam portions 94, 94. It is installed so as to adhere to the end face T directly or via another member.

【0004】したがって、この遊間用止水材では、主と
して伸縮部95等の体積変化により遊間の変位を吸収し、
また、止水層92により遊間からの雨水などの落下を防止
する。
[0004] Accordingly, in this water stopping material for play, displacement of the play is mainly absorbed by a change in volume of the elastic portion 95 and the like,
Further, the water blocking layer 92 prevents rainwater or the like from falling from the play space.

【0005】しかしながら、図6に示すように大型のフ
ィンガージョイントFに対応させるべく伸縮部95の幅を
大きくした場合、伸縮部95における体積変化する特徴が
縦方向への撓みとなって現れ、フィンガープレートf,
f相互間から土砂等が落下した場合には土砂等が撓んだ
部分に堆積してしまう。このように撓んだ部分に、土砂
等が堆積した状態で伸縮を繰り返すと、本来の寿命より
も短い期間で破損してしまう。
[0005] However, as shown in FIG. 6, when the width of the expansion and contraction portion 95 is increased so as to correspond to the large finger joint F, the feature of the expansion and contraction portion 95 that changes in volume appears as bending in the vertical direction. Plate f,
If the earth and sand fall from between f, the earth and sand will accumulate on the bent portion. Repeated expansion and contraction in the state where earth and sand and the like are deposited on the bent portion in this manner will result in damage in a shorter period than the original life.

【0006】[0006]

【発明が解決しようとする課題】そこで、この発明で
は、伸縮部が縦方向にほとんど撓まない遊間用止水材を
提供することを課題とする。
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a water-stopping material for play during which the expansion and contraction portion hardly bends in the vertical direction.

【0007】[0007]

【課題を解決するための手段】(請求項1記載の発明)
この発明は、遊間を形成する端面相互間に接着して用い
られる遊間用止水材であって、上側の保護層、中程の止
水材層、下側の支持材層を順に積み重ねて接着一体化し
て成り、前記支持材層を、一対の縦長の独立気泡フォー
ム部と、前記独立気泡フォーム部相互間に固着一体化さ
れた伸縮部とを有するものとしてある遊間用止水材にお
いて、伸縮部を、複数の連続気泡フォーム体と、体積変
化を起こしにくい柱材とを接着一体化して構成し、前記
柱材を上記端面に取り付けた受け部材により受けるよう
にしている。 (請求項2記載の発明)この発明は、遊間を形成する端
面相互間に接着して用いられる遊間用止水材であって、
上側の保護層、中程の止水材層、下側の支持材層を順に
積み重ねて接着一体化して成り、前記支持材層を、一対
の縦長の独立気泡フォーム部と、前記独立気泡フォーム
部相互間に固着一体化された伸縮部とを有するものとし
てある遊間用止水材において、伸縮部を、複数の連続気
泡フォーム体と、前記連続気泡フォーム体相互を一体化
し且つ硬化後に体積変化を起こしにくい接着部とから構
成し、前記接着部を上記端面に取り付けた受け部により
受けるようにしている。 (請求項3記載の発明)この発明の遊間用止水材は、上
記請求項1記載の発明に関し、柱材が、独立気泡フォー
ムで構成されている。 (請求項4記載の発明)この発明の遊間用止水材は、上
記請求項1記載の発明に関し、柱材が、エラストマーで
構成されている。 (請求項5記載の発明)この発明の5遊間用止水材は、
上記請求項1記載の発明に関し、伸縮部は、硬度が相違
する二種類の連続気泡フォーム体を備えていることを特
徴とする請求項1記載の遊間用止水材。 (請求項6記載の発明)この発明の遊間用止水材は、上
記請求項2記載の発明に関し、接着部の厚みを、0.5
〜1mm程度に設定してある。
Means for Solving the Problems (Invention of Claim 1)
The present invention relates to a waterproofing material for play which is used by bonding between end faces forming a play, wherein an upper protective layer, a middle waterproofing material layer, and a lower supporting material layer are sequentially stacked and bonded. In a water-stopping material for play, the support material layer has a pair of vertically elongated closed-cell foam portions, and an elastic portion fixedly integrated between the closed-cell foam portions. The part is constituted by bonding and integrating a plurality of open-cell foam bodies and a column material that does not easily change in volume, and the column material is received by a receiving member attached to the end surface. (Invention according to claim 2) The present invention is a water-stopping material for play which is used by bonding between end faces forming a play,
An upper protective layer, a middle water-stopping material layer, and a lower supporting material layer are sequentially stacked and bonded and integrated, and the supporting material layer is formed by a pair of vertically elongated closed-cell foam portions and the closed-cell foam portion. In the waterproofing material for play which has an elastic part fixed and integrated between each other, the elastic part is formed by integrating a plurality of open-cell foam bodies and the open-cell foam bodies with each other and changing the volume after curing. And an adhesive portion that is unlikely to be raised. The adhesive portion is received by the receiving portion attached to the end surface. (Invention of Claim 3) The water blocking material for play of the present invention relates to the invention of Claim 1, wherein the column member is formed of a closed cell foam. (Invention of Claim 4) The water blocking material for play of the present invention relates to the invention of Claim 1 described above, wherein the pillar is made of an elastomer. (Invention according to claim 5) The waterproof material for five play spaces of the present invention is:
The water stopping material for play according to claim 1, wherein the expansion and contraction portion is provided with two types of open-cell foams having different hardnesses. (The invention according to claim 6) The water-stopping material for play of the present invention relates to the invention according to claim 2, wherein the thickness of the bonding portion is 0.5
It is set to about 1 mm.

【0008】なお、上記発明の遊間用止水材の機能につ
いては、以下の発明の実施の形態の欄で明らかにする。
The function of the water blocking material for play of the present invention will be clarified in the following embodiments of the present invention.

【0009】[0009]

【発明の実施の形態】以下、この発明を実施例として示
した図面に従って説明する。 〔実施形態1〕図1はこの発明の実施形態1の遊間用止
水材の断面図を示している。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to the drawings showing embodiments. [Embodiment 1] FIG. 1 is a sectional view of a water blocking material for play according to Embodiment 1 of the present invention.

【0010】この遊間用止水材は、図1に示すように、
支持材層1上に止水材層4、保護層5を順に積み重ねて
接着一体化したものであり、これの左右両面を端面T,
T(ウェブフレートWの片面)に接着すると共に前記支
持材層1の柱材31を受け部材6で受けるようにして設置
されている。なお、この実施形態では、所謂フィンガー
ジョイントFにおけるフィンガーレートf,f相互間か
らの雨水などの落下を防止するために設けられている。
[0010] As shown in FIG.
A waterproof layer 4 and a protective layer 5 are sequentially stacked on a support material layer 1 and bonded and integrated.
T is attached to T (one side of the web plate W), and the column member 31 of the support layer 1 is received by the receiving member 6. In this embodiment, the so-called finger joint F is provided to prevent rainwater or the like from falling between the finger rates f, f.

【0011】支持材層1は、図1に示すように、一対の
縦長の独立気泡フォーム部2,2と、前記独立気泡フォ
ーム部2,2相互間に接着一体化された伸縮部3とを有
するものとしてある。
As shown in FIG. 1, the support material layer 1 comprises a pair of vertically elongated closed cell foam portions 2 and 2 and an elastic portion 3 bonded and integrated between the closed cell foam portions 2 and 2. I have it.

【0012】独立気泡フォーム部2は、この実施形態で
はクロロプレンゴムにより構成させてあり、その性状
は、硬度20度(タイプC、SRIS 0101)、引
張強度6kgf/cm2 、吸水率5%以下ものとしてあ
る。したがって、この独立気泡フォーム部2は、体積変
化を起こしにくい高弾性のものとなっている。
In this embodiment, the closed-cell foam portion 2 is made of chloroprene rubber, and has properties of a hardness of 20 degrees (Type C, SRIS 0101), a tensile strength of 6 kgf / cm 2 and a water absorption of 5% or less. There is. Therefore, the closed-cell foam part 2 is of a high elasticity that is unlikely to cause a volume change.

【0013】伸縮部3は、図1に示すように、二個の連
続気泡フォーム体30により柱材31を挟み込む態様で接着
一体化して構成してある。前記連続気泡フォーム体30
は、この実施形態ではウレタンフォームにより構成させ
てあり、その性状は密度22kg/m3 (JIS K
6401準拠)、硬度11kg(JIS K 6401
準拠)としてある。また、柱材31は、体積変化を起こし
にくい上記した独立気泡フォーム部2と同じ性状のもの
としてある。
As shown in FIG. 1, the expansion and contraction portion 3 is formed by bonding and integrating the column member 31 between two open-cell foam bodies 30. The open-cell foam body 30
Is made of urethane foam in this embodiment and has a property of a density of 22 kg / m 3 (JIS K
6401), hardness 11 kg (JIS K 6401)
Compliance). The column member 31 has the same property as that of the closed-cell foam portion 2 that does not easily change in volume.

【0014】止水材層4は、前記支持材層1よりも低弾
性のゴムのシート状体から形成しており、その収縮時に
は大きな凹みが形成されることなく支持材層1に追随し
て連続した波状に変形するようにしてある。したがっ
て、支持材層1との接着面に剪断力がかかりにくいと共
に、伸縮方向の変形に対する自由度が高いものとなる。
この実施形態では止水材層4として、クロロプレンゴム
を使用しており、その性状は、厚さ0.4mm、硬度5
0度(JIS A)、引張強度160kgf/cm2
伸び450%としてある。
The water-stopping material layer 4 is formed of a rubber sheet having a lower elasticity than that of the supporting material layer 1, and follows the supporting material layer 1 without forming a large recess when contracted. It is designed to deform into a continuous wave. Therefore, a shearing force is not easily applied to the bonding surface with the support material layer 1, and the degree of freedom for deformation in the expansion and contraction direction is high.
In this embodiment, chloroprene rubber is used as the water-stopping material layer 4, and its properties are a thickness of 0.4 mm and a hardness of 5 mm.
0 degree (JIS A), tensile strength 160 kgf / cm 2 ,
The elongation is 450%.

【0015】保護層5は、伸縮に対して変形しやすい連
続気泡フォームから構成されており、図1に示すよう
に、上記した止水材層4の上面に積層一体化されてい
る。ここで、この実施形態では保護層5はポリエチレン
フォームを使用おり、その性状は、密度0.03g/c
3 (JIS K 6767)、50%圧縮強さ0.0
5kgf/cm2 (JIS K 6767準拠)として
ある。
The protective layer 5 is made of an open-cell foam which is easily deformed by expansion and contraction, and is integrally laminated on the upper surface of the water-stopping material layer 4 as shown in FIG. Here, in this embodiment, the protective layer 5 uses a polyethylene foam, and the property thereof is a density of 0.03 g / c.
m 3 (JIS K 6767), 50% compressive strength 0.0
5 kgf / cm 2 (based on JIS K 6767).

【0016】受け部材6は、図1に示すように、フラッ
トバーと呼ばれる一定幅の鋼板から構成されており、一
方側の橋桁と他方側の橋桁に千鳥の配置となるようにウ
ェブプレートWにネジ止めされている。
As shown in FIG. 1, the receiving member 6 is formed of a steel plate having a constant width called a flat bar. The receiving member 6 is formed on the web plate W so as to be staggered on one bridge girder and the other bridge girder. Screwed.

【0017】なお、この遊間用止水材の遊間への施工
は、遊間の端面Tの被接着面を綺麗にしてシリコン系接
着剤を塗布し、遊間止水材を圧縮した状態で挿入する。
止水材の幅は最大遊間幅の1.1倍とし、常に遊間用止
水材に対して10%以上の圧縮荷重がかかるようにする
ことが好ましい。常時復元力を発生せしめ、遊間の端面
Tの被接着面との圧着性を好適に維持するためである。
上記した接着剤が固化すると施工は完了する。
In addition, the construction of the water-stopping material for play in the play is performed by cleaning the end face T of the play and applying a silicon-based adhesive to the surface to be bonded, and inserting the water-stopping material in a play.
It is preferable that the width of the waterproof material is 1.1 times the maximum play width so that a compressive load of 10% or more is always applied to the waterproof material for play. This is because a restoring force is always generated, and the press-fitting property of the end face T of the play with the surface to be bonded is suitably maintained.
When the above-mentioned adhesive solidifies, the construction is completed.

【0018】この遊間用止水材は上記のような構成であ
るから以下に示すような機能を奏する。
Since the water blocking material for play has the above-mentioned structure, it has the following functions.

【0019】この遊間用止水材では、伸縮部3の中央部
に体積変化を起こしにくい高弾性の柱材31が配置されて
おり、前記柱材31は端面Tにネジ止めされた受け部材6
により受けてある。したがって、この遊間用止水材で
は、従来の技術の欄で示した如く、伸縮部3の中央部が
大きく凹む態様で撓むことはなく、多くの土砂等が伸縮
部3上に堆積するようなことはない。これにより本来の
寿命だけ使用に耐えることになる。 〔実施形態2〕図2はこの発明の実施形態2の遊間用止
水材の断面図を示している。
In this water-stopping material for play, a highly elastic column member 31 that is unlikely to cause a volume change is disposed at the center of the expansion and contraction portion 3, and the column member 31 is screwed to the end surface T of the receiving member 6.
Received by Therefore, in this water stopping material for play, as shown in the section of the prior art, the central portion of the elastic portion 3 does not bend in a greatly concave form, and a large amount of earth and sand is deposited on the elastic portion 3. There is nothing. As a result, it can be used only for the original life. [Embodiment 2] FIG. 2 is a sectional view of a water blocking material for play according to Embodiment 2 of the present invention.

【0020】この実施形態の2の遊間用止水材では、図
2に示すように、伸縮部3を、交互に配置された弾性率
が異なる連続気泡フォーム体30a,30bと、前記連続気
泡フォーム体30a,30b相互を一体化し且つ硬化後に体
積変化を起こしにくい接着部32とから構成してあり、前
記接着部32を端面Tに取り付けた受け部6により受ける
ようにしている。
In the water blocking material for play 2 of this embodiment, as shown in FIG. 2, the expandable and contractable portions 3 are formed by alternately arranged open-cell foam bodies 30a and 30b having different elastic moduli, and the open-cell foam bodies 30a and 30b. The body 30a and the body 30b are integrated with each other and are constituted by an adhesive portion 32 which is hardly changed in volume after curing. The adhesive portion 32 is received by the receiving portion 6 attached to the end face T.

【0021】連続気泡フォーム体30aはウレタンフォー
ムにより構成されており、その性状は、密度22kg/
3 (JIS K 6401準拠)、硬度11kg(J
ISK 6401準拠)としてある。
The open-cell foam 30a is made of urethane foam and has a property of a density of 22 kg /
m 3 (based on JIS K6401), hardness 11 kg (J
ISK6401).

【0022】連続気泡フォーム体30aはウレタンフォー
ムにより構成されており、その性状は、密度26kg/
3 (JIS K 6401準拠)、硬度16kg(J
ISK 6401準拠)としてある。
The open-cell foam 30a is made of urethane foam and has a density of 26 kg /
m 3 (based on JIS K6401), hardness 16 kg (J
ISK6401).

【0023】接着部32は、硬化後に体積変化を起こしに
くい接着剤により構成されており、その厚みは0.5〜
1mm程度に設定してある。
The adhesive portion 32 is made of an adhesive which hardly causes a volume change after curing, and has a thickness of 0.5 to 0.5.
It is set to about 1 mm.

【0024】したがって、この遊間用止水材では、連続
気泡フォーム体30a,30b相互間の体積変化を起こしに
くい接着部32が各所に配置されており、前記接着部32は
受け部材6により受けてある。したがって、この遊間用
止水材では、従来の技術の欄で示した如く、伸縮部3の
中央部及びその近傍が大きく凹む態様で撓むことはな
く、多くの土砂等が伸縮部3上に堆積するようなことは
ない。これにより本来の寿命だけ使用に耐えることにな
る。
Therefore, in this water blocking material for play, bonding portions 32 that are unlikely to cause a change in volume between the open-cell foam bodies 30a and 30b are arranged at various places, and the bonding portions 32 are received by the receiving member 6. is there. Therefore, in this water stopping material for play, as shown in the section of the prior art, the central portion of the elastic portion 3 and the vicinity thereof do not bend in a greatly recessed manner, and a large amount of earth and sand and the like are deposited on the elastic portion 3. It does not accumulate. As a result, it can be used only for the original life.

【0025】なお、上記した厚肉の接着部32は少なくと
も伸縮部3の中央に位置する部分には必要であるが、全
ての連続気泡フォーム体30a,30b相互間に接着部32を
必要とするのではない。
Although the above-mentioned thick adhesive portion 32 is necessary at least in the portion located at the center of the elastic portion 3, the adhesive portion 32 is required between all the open-cell foam bodies 30a and 30b. Not.

【0026】また、この遊間用止水材では、変形が大き
な連続気泡フォーム体30aと変形が小さな連続気泡フォ
ーム体30bとが交互に並んでいるから、小さな波状の変
形が交互に連続した態様となるので、全体的に大きな凹
凸を伴う変形を回避できることになる。よって、この形
態であれば伸縮部3に作用する集中応力は緩和できるこ
とになる。 〔実施形態3〕図3はこの発明の実施形態3の遊間用止
水材の断面図を示している。
Further, in this water blocking material for play, the open-cell foam 30a having a large deformation and the open-cell foam 30b having a small deformation are alternately arranged. Therefore, deformation accompanied by large unevenness can be avoided as a whole. Therefore, in this embodiment, the concentrated stress acting on the elastic part 3 can be reduced. [Embodiment 3] FIG. 3 is a sectional view of a water blocking material for play according to Embodiment 3 of the present invention.

【0027】この実施形態の遊間用止水材では、伸縮部
3は、図3に示すように、連続気泡フォーム体30a,30
bと柱材31とから構成してある。なお、前記連続気泡フ
ォーム体30a,30b、柱材31の隣合うもの相互は接着さ
れている。 〔他の実施形態〕上記実施形態1〜3では、独立気泡フ
ォーム部2の端面を直接端面Tに接着しているが、これ
に限定されるものではなく、図4に示すように、実施形
態1の独立気泡フォーム部2の端面に連続気泡フォーム
層7を固着一体化し、この連続気泡フォーム層7が端面
Tとの接着面を形成するようにしてもよい。なお、連続
気泡フォーム層7は、ウレタンフォームにシリコンゴム
を含浸させて構成させてあり、その性状は、密度55k
g/m3 (JIS K 6401準拠)、引張強度16
kgf/cm2 (JIS K 6301準拠)としてあ
る。
In the water-stopping material for play of this embodiment, as shown in FIG.
b and the column 31. Adjacent ones of the open-cell foam bodies 30a and 30b and the column member 31 are bonded to each other. [Other Embodiments] In the first to third embodiments, the end face of the closed-cell foam portion 2 is directly adhered to the end face T. However, the present invention is not limited to this, and as shown in FIG. The open-cell foam layer 7 may be fixed to and integrated with the end face of the closed-cell foam section 2, and the open-cell foam layer 7 may form an adhesive surface with the end face T. The open-cell foam layer 7 is formed by impregnating urethane foam with silicone rubber.
g / m 3 (JIS K6401), tensile strength 16
kgf / cm 2 (based on JIS K6301).

【0028】また、上記実施形態1及び3では、柱材31
を独立気泡フォームで構成させてあるが、これに限定さ
れることなく高弾性のエラストマー、金属等も使用でき
る。
In the first and third embodiments, the column 31
Is constituted by a closed cell foam, but the present invention is not limited to this, and a highly elastic elastomer, metal or the like can also be used.

【0029】[0029]

【発明の効果】この発明は上記のような構成であるから
次の効果を有する。
The present invention has the following effects since it has the above-described configuration.

【0030】発明の実施形態の欄の説明から明らかなよ
うに、伸縮部が縦方向にほとんど撓まない遊間用止水材
を提供できた。
As is apparent from the description of the embodiment of the present invention, a waterproof water-stopping material in which the elastic portion hardly bends in the vertical direction can be provided.

【図面の簡単な説明】[Brief description of the drawings]

【図1】この発明の実施形態1の遊間用止水材の断面
図。
FIG. 1 is a sectional view of a water blocking material for play according to a first embodiment of the present invention.

【図2】この発明の実施形態2の遊間用止水材の断面
図。
FIG. 2 is a sectional view of a water blocking material for play according to a second embodiment of the present invention.

【図3】この発明の実施形態3の遊間用止水材の断面
図。
FIG. 3 is a sectional view of a water blocking material for play according to a third embodiment of the present invention.

【図4】他の実施形態の遊間用止水材の断面図。FIG. 4 is a cross-sectional view of a water blocking material for play according to another embodiment.

【図5】先行する遊間用止水材の断面図。FIG. 5 is a cross-sectional view of a preceding water stopping material for play.

【図6】先行する遊間用止水材を大型フィンガージョイ
ントに施工した場合の断面図。
FIG. 6 is a cross-sectional view of a case in which a leading water stopping material for play has been applied to a large finger joint.

【符号の説明】[Explanation of symbols]

T 端面 F フィンガージョイント f フィンガープレート W ウェブプレート 1 支持材層 2 独立気泡フォーム部 3 伸縮部 4 止水材層 5 保護層 6 受け部材 30 連続気泡フォーム体 31 柱材 32 接着部 T end face F finger joint f finger plate W web plate 1 support material layer 2 closed cell foam part 3 elastic part 4 waterproof material layer 5 protective layer 6 receiving member 30 open cell foam body 31 pillar material 32 bonding part

───────────────────────────────────────────────────── フロントページの続き (72)発明者 山内 寛 大阪府東大阪市高井田西2丁目2番6号 旭化工株式会社内 Fターム(参考) 2D051 AG11 FA03 FA06 FA10 FA11 2D059 GG02 GG45 GG55 2E001 DA01 DH31 FA09 FA11 FA30 GA12 GA24 GA42 GA47 GA82 HD03 HD08 HE01 HE02 PA04 PA12  ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Hiroshi Yamauchi 2-2-6 Takaida Nishi, Higashiosaka-shi, Osaka Asahi Kako Co., Ltd. F-term (reference) 2D051 AG11 FA03 FA06 FA10 FA11 2D059 GG02 GG45 GG55 2E001 DA01 DH31 FA09 FA11 FA30 GA12 GA24 GA42 GA47 GA82 HD03 HD08 HE01 HE02 PA04 PA12

Claims (6)

【特許請求の範囲】[Claims] 【請求項1】 遊間を形成する端面相互間に接着して用
いられる遊間用止水材であって、上側の保護層、中程の
止水材層、下側の支持材層を順に積み重ねて接着一体化
して成り、前記支持材層を、一対の縦長の独立気泡フォ
ーム部と、前記独立気泡フォーム部相互間に固着一体化
された伸縮部とを有するものとしてある遊間用止水材に
おいて、伸縮部を、複数の連続気泡フォーム体と、体積
変化を起こしにくい柱材とを接着一体化して構成し、前
記柱材を上記端面に取り付けた受け部材により受けるよ
うにしたことを特徴とする遊間用止水材。
1. A water-stopping material for play which is used by bonding between end faces forming play-time, wherein an upper protective layer, a middle water-stop material layer, and a lower support material layer are sequentially stacked. In the water stoppage material for play which is formed by bonding and integrating, the support material layer has a pair of vertically elongated closed cell foam portions, and an elastic portion fixedly integrated between the closed cell foam portions. A play space, wherein the expansion / contraction portion is formed by bonding and integrating a plurality of open-cell foam bodies and a column material that is unlikely to cause a volume change, and the column material is received by a receiving member attached to the end surface. Waterproof material.
【請求項2】 遊間を形成する端面相互間に接着して用
いられる遊間用止水材であって、上側の保護層、中程の
止水材層、下側の支持材層を順に積み重ねて接着一体化
して成り、前記支持材層を、一対の縦長の独立気泡フォ
ーム部と、前記独立気泡フォーム部相互間に固着一体化
された伸縮部とを有するものとしてある遊間用止水材に
おいて、伸縮部を、複数の連続気泡フォーム体と、前記
連続気泡フォーム体相互を一体化し且つ硬化後に体積変
化を起こしにくい接着部とから構成し、前記接着部を上
記端面に取り付けた受け部により受けるようにしたこと
を特徴とする遊間用止水材。
2. A water-stopping material for play which is used by bonding between end faces forming play-time, wherein an upper protective layer, a middle water-proof material layer, and a lower support material layer are sequentially stacked. In the water stoppage material for play which is formed by bonding and integrating, the support material layer has a pair of vertically elongated closed cell foam portions, and an elastic portion fixedly integrated between the closed cell foam portions. The elastic portion is composed of a plurality of open-cell foam bodies and an adhesive section that integrates the open-cell foam bodies with each other and hardly causes a volume change after curing, and the adhesive section is received by a receiving section attached to the end face. A water-stopping material for play spaces, characterized in that:
【請求項3】 柱材が、独立気泡フォームで構成されて
いることを特徴とする請求項1記載の遊間用止水材。
3. The water-stopping material according to claim 1, wherein the pillar is made of a closed-cell foam.
【請求項4】 柱材が、エラストマーで構成されている
ことを特徴とする請求項1記載の遊間用止水材。
4. The water-stopping material for a play space according to claim 1, wherein the pillar is made of an elastomer.
【請求項5】 伸縮部は、硬度が相違する二種類の連続
気泡フォーム体を備えていることを特徴とする請求項1
記載の遊間用止水材。
5. The expansion / contraction part has two types of open-cell foams having different hardnesses.
The water-stopping material for play space as described.
【請求項6】 接着部の厚みを、0.5〜1mm程度に
設定してあることを特徴とする請求項2記載の遊間用止
水材。
6. The waterproofing material according to claim 2, wherein the thickness of the bonding portion is set to about 0.5 to 1 mm.
JP2000354324A 2000-11-21 2000-11-21 Water stoppage material for play spaces Expired - Lifetime JP3418830B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000354324A JP3418830B2 (en) 2000-11-21 2000-11-21 Water stoppage material for play spaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000354324A JP3418830B2 (en) 2000-11-21 2000-11-21 Water stoppage material for play spaces

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Publication Number Publication Date
JP2002155581A true JP2002155581A (en) 2002-05-31
JP3418830B2 JP3418830B2 (en) 2003-06-23

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Country Link
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100976546B1 (en) 2009-12-22 2010-08-17 (주)은성이앤씨 Flexible connecting apparatus with barrier lex
JP2015004256A (en) * 2013-06-24 2015-01-08 旭化工株式会社 Expansion spacing water cutoff material
JP2016108760A (en) * 2014-12-03 2016-06-20 山王株式会社 Sealing structure for joint gap between floor slabs at wheel guard part, sealing material used therewith, and sealing method therefor
KR102048813B1 (en) * 2019-05-13 2019-11-26 (주)우신건설산업 Extension joint using height difference adaptive high elastic material
KR102048803B1 (en) * 2019-05-13 2019-11-26 (주)우신건설산업 Extension joint using compression fixed type high elastic material

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100976546B1 (en) 2009-12-22 2010-08-17 (주)은성이앤씨 Flexible connecting apparatus with barrier lex
JP2015004256A (en) * 2013-06-24 2015-01-08 旭化工株式会社 Expansion spacing water cutoff material
JP2016108760A (en) * 2014-12-03 2016-06-20 山王株式会社 Sealing structure for joint gap between floor slabs at wheel guard part, sealing material used therewith, and sealing method therefor
KR102048813B1 (en) * 2019-05-13 2019-11-26 (주)우신건설산업 Extension joint using height difference adaptive high elastic material
KR102048803B1 (en) * 2019-05-13 2019-11-26 (주)우신건설산업 Extension joint using compression fixed type high elastic material

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