JPH09184155A - Insertion body for embedded frame - Google Patents
Insertion body for embedded frameInfo
- Publication number
- JPH09184155A JPH09184155A JP7354833A JP35483395A JPH09184155A JP H09184155 A JPH09184155 A JP H09184155A JP 7354833 A JP7354833 A JP 7354833A JP 35483395 A JP35483395 A JP 35483395A JP H09184155 A JPH09184155 A JP H09184155A
- Authority
- JP
- Japan
- Prior art keywords
- frame
- height
- embedded
- frame body
- interposition
- 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
Links
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、例えば消火栓ボッ
クス、制水弁ボックス、マンホール等を形成すべく地中
に埋設枠を段積みする際に、該埋設枠間に介装せしめて
高さ調整を図る等のために使用される介装枠の改良に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention, when stacking buried frames in the ground to form, for example, a fire hydrant box, a water control valve box, a manhole or the like, adjusts the height by inserting the buried frames between the buried frames. The present invention relates to the improvement of an interposer frame used for, for example,
【０００２】[0002]
【従来の技術】従来、この種介装枠としては、例えば図
４及び図５に示すような枠状のものが存在する。2. Description of the Related Art Conventionally, as this type of interposition frame, there is a frame-shaped interposition frame as shown in FIGS. 4 and 5, for example.
【０００３】即ち、この従来の介装枠１ａは、基礎枠体
２ａと該基礎枠体２ａの内周側に一体的に連結された突
出枠体３ａとからなり、図５の如く下段側の埋設枠５ａ
の上面に介装枠１ａを装着し、さらに該介装枠１ａの突
出枠体３ａに上段側の埋設枠５ａの下面に環状成形した
凹部７ａを嵌合させて、複数の埋設枠５ａが段積みされ
る。That is, the conventional interposition frame 1a is composed of a base frame 2a and a projecting frame 3a integrally connected to the inner peripheral side of the base frame 2a. As shown in FIG. Embedded frame 5a
The mounting frame 1a is mounted on the upper surface of the mounting frame 1a, and the protruding frame body 3a of the mounting frame 1a is fitted with the annularly formed recess 7a on the lower surface of the embedded frame 5a on the upper side to form a plurality of embedded frames 5a. Loaded.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記従
来の介装枠１ａにあっては、突出枠体３ａの高さｈ１が
基礎枠体２ａの高さｈ４に比して小さく設定されてい
る。即ち、該介装枠１ａは基礎枠体２ａの高さｈ４をあ
る程度分厚く形成し、埋設枠５ａを段積みする際の高さ
調節に使用しているが、埋設枠５ａ間における調節高さ
が低い場合においては使用できず、昨今要求される施工
精度（埋設枠５ａを段積みしてなる全体高さ）に対応で
きないという不都合が生じていた。However, in the above-mentioned conventional interposition frame 1a, the height h 1 of the protruding frame body 3a is set smaller than the height h 4 of the base frame body 2a. There is. In other words, the intervening Sowaku 1a is the basic frame 2a height h 4 somewhat thicker form, the use of the embedded frame 5a to the height adjustment when staked, height adjustment between the embedded frame 5a However, it is not possible to use it in the case of a low value, and it is not possible to meet the construction accuracy (the total height of the buried frames 5a stacked) which is required these days.
【０００５】また、段積みされた埋設枠５ａに横方向か
らの外力が加わり比較的大きな剪断力として突出枠体３
ａに作用した場合、該突出枠体３ａと前記基礎枠体２ａ
の境界部分が破損してしまうという問題点も有していた
のである。Further, an external force from the lateral direction is applied to the stacked buried frames 5a, and a relatively large shearing force is applied to the projecting frame 3
When it acts on a, the projecting frame 3a and the basic frame 2a
There was also a problem that the boundary part of the was damaged.
【０００６】更に、段積みされた埋設枠５ａと介装枠１
ａ間の接合面において、その仕上がり精度の粗さから相
互間に隙間が生じてガタツキが発生するという問題点も
ある。Further, the buried frame 5a and the interposition frame 1 which are stacked are stacked.
There is also a problem in that, in the joint surface between a, a gap is generated between them due to the roughness of the finishing accuracy, and rattling occurs.
【０００７】それ故に、本発明は上記従来の問題点を解
決するためになされたものであり、埋設枠間における高
さ調節が微小寸法で行えるとともに、埋設枠相互を確実
且つ強固に段積みできる介装枠を提供せんとするもので
ある。Therefore, the present invention has been made in order to solve the above-mentioned problems of the prior art, and the height between the embedded frames can be adjusted with a minute dimension, and the embedded frames can be stacked reliably and firmly. It is intended to provide an interposition frame.
【０００８】[0008]
【課題を解決するための手段】即ち、本発明が上記課題
を解決するために採った手段は、基礎枠体２と該基礎枠
体２上に一体的に連結された突出枠体３とからなり且つ
埋設枠５間に介装される介装枠において、前記突出枠体
３の外径ｄが基礎枠体２の外径Ｄよりも小さく形成さ
れ、両枠体２、３の高さＨ４、Ｈ１が略同一で、且つ両
枠体２、３が段差を有して薄肉の連結部４により一体的
に連結されてなり、しかも前記突出枠体３の高さＨ１と
連結部４の高さＨ２との和Ｈ３が基礎枠体２の高さＨ４
よりも大きく設定されてなる点にある。That is, the means adopted by the present invention to solve the above-mentioned problems are: a base frame 2 and a projecting frame 3 integrally connected to the base frame 2. In addition, in the interposition frame interposed between the embedded frames 5, the outer diameter d of the protruding frame body 3 is formed smaller than the outer diameter D of the base frame body 2, and the height H of both the frame bodies 2 and 3 is 4 , H 1 are substantially the same, and both frame bodies 2, 3 are integrally connected by a thin connecting portion 4 having a step, and the height H 1 of the protruding frame body 3 and the connecting portion The sum H 3 of the height H 2 of 4 and the height H 4 of the base frame 2 is H 4.
It is set to be larger than.
【０００９】また、前記基礎枠体２及び突出枠体３の上
下面又は何れか一方に凹凸部１２が周方向又は径方向に
形成されてなる点にある。In addition, the uneven portion 12 is formed in the circumferential direction or the radial direction on the upper and / or lower surfaces of the base frame 2 and the projecting frame 3.
【００１０】[0010]
【作用】従って、上記構成を特徴とする介装枠は、段積
みされる埋設枠５間に介装されるのであるが、この場合
は介装枠の突出枠体３及び連結部４とが埋設枠５の下面
に設けられる凹部、並びにその下段における埋設枠５の
上面に設けられる環状凸部に嵌合して複数の埋設枠５が
段積みされることになる。而して、埋設枠５の凹部に嵌
合する突出枠体３及び連結部４の高さＨ１、Ｈ２の和Ｈ
３は、基礎枠体２の高さＨ４よりも大きく設定されてい
るので、介装枠１と埋設枠５との嵌合状態が確実なもの
となる。Therefore, the interposing frame having the above-mentioned structure is interposed between the buried frames 5 stacked in layers. In this case, the protruding frame body 3 and the connecting portion 4 of the interposing frame are A plurality of embedded frames 5 are stacked by being fitted into the concave portion provided on the lower surface of the embedded frame 5 and the annular convex portion provided on the upper surface of the embedded frame 5 at the lower stage thereof. Thus, the sum H of the heights H 1 and H 2 of the protruding frame body 3 and the connecting portion 4 which fit in the recesses of the embedded frame 5 is H.
Since 3 is set to be larger than the height H 4 of the base frame body 2, the fitted state of the interposition frame 1 and the embedded frame 5 becomes reliable.
【００１１】また、基礎枠体２及び突出枠体３の上下面
又はその何れか一方に設けた凹凸部１２がパッキング効
果を奏して、介装枠１と埋設枠５とを密着状態に保つこ
とができるのである。Further, the concavo-convex portion 12 provided on the upper and lower surfaces of the base frame 2 and the projecting frame 3 or on one of them has a packing effect to keep the interposition frame 1 and the embedded frame 5 in close contact with each other. Can be done.
【００１２】[0012]
【本発明の実施の形態】以下、本発明の一実施形態につ
いて図面に従って説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.
【００１３】図１において、１は環状に形成された基礎
枠体２と、該基礎枠体２上に段差を有して設けられた環
状の突出枠体３とからなる介装枠を示し、基礎枠体２の
内周上端縁に傾斜状に延設された薄肉の連結部４を介し
て突出枠体３が一体的に連結されており、基礎枠体２及
び突出枠体３の裏面に凹凸部１２を設けるべく円弧状の
凹溝２ａ、３ａが周方向に複数形成されている。In FIG. 1, reference numeral 1 denotes an interposition frame composed of an annular base frame 2 and an annular projecting frame 3 provided on the base frame 2 with a step, The projecting frame body 3 is integrally connected to the inner peripheral upper end edge of the base frame body 2 through a thin connecting portion 4 extending in a slanting manner, and the projecting frame body 3 is provided on the back surface of the base frame body 2 and the projecting frame body 3. A plurality of arc-shaped concave grooves 2a, 3a are formed in the circumferential direction so as to provide the uneven portion 12.
【００１４】尚、介装体１の材質はコンクリート、合成
樹脂、金属、ゴム等からなり、また突出枠体３の外径ｄ
は基礎枠体２の外径Ｄよりも小径に形成されるととも
に、両枠体２、３の高さＨ４、Ｈ１が略同一で、且つ突
出枠体３の高さＨ１と連結部４の高さＨ２との和Ｈ３は
基礎枠体２の高さＨ４よりも大きく設定されている。The material of the interposer 1 is concrete, synthetic resin, metal, rubber or the like, and the outer diameter d of the protruding frame 3 is
Is formed to have a smaller diameter than the outer diameter D of the base frame body 2, the heights H 4 and H 1 of both frame bodies 2 and 3 are substantially the same, and the height H 1 of the protruding frame body 3 and the connecting portion are sum H 3 between the height H 2 of 4 is set to be larger than the height H 4 of the basic frame 2.
【００１５】本実施形態は以上のような構成からなり、
かかる介装体１は図２のように円筒状の各埋設枠５間に
介装せしめて使用されるが、該埋設枠５は上下外周面に
鍔６がそれぞれ突設されたもので、その下面側内周位置
には環状の凹部７が形成されるとともに、上面側内周位
置には環状凸部８が形成されている。This embodiment has the above-described configuration.
The interposer 1 is used by interposing it between the cylindrical embedding frames 5 as shown in FIG. 2. The embedding frame 5 has flanges 6 projecting from the upper and lower outer peripheral surfaces, respectively. An annular concave portion 7 is formed at the lower surface side inner peripheral position, and an annular convex portion 8 is formed at the upper surface side inner peripheral position.
【００１６】そして、スラブ９上に埋設枠５を積み、そ
の上位に介装枠１と埋設枠５が段積みされる。この場合
において、埋設枠５の凹部７に嵌合する介装枠１の突出
枠体３及び連結部４の高さＨ１、Ｈ２の和Ｈ３は、基礎
枠体２の高さＨ４よりも大きく設定されてその高さを確
保してなるため、埋設枠５の凹部７並びにその下段にお
ける埋設枠５の環状凸部８との嵌合が確実に行えるとと
もに、突出枠体３及び基礎枠体２を薄くして微小寸法を
もって高さ調節が可能となるという利点があり、施工作
業の便に大いに寄与することになる。Then, the embedded frame 5 is stacked on the slab 9, and the interposition frame 1 and the embedded frame 5 are stacked on top of it. In this case, the sum H 3 of the heights H 1 and H 2 of the protruding frame body 3 and the connecting portion 4 of the interposition frame 1 fitted in the recesses 7 of the embedded frame 5 is the height H 4 of the base frame body 2. Since it is set to be larger than that to secure its height, the recess 7 of the burying frame 5 and the annular projection 8 of the burying frame 5 in the lower stage can be reliably fitted, and the protruding frame 3 and the foundation There is an advantage that the height of the frame 2 can be adjusted with a small size by making the frame 2 thin, which greatly contributes to the convenience of construction work.
【００１７】しかも、このように高さを確保することに
より段積みされた埋設枠５に横方向から外力が作用して
も、該埋設枠５の凹部７と介装枠１の突出枠体３及び連
結部４との嵌合状態は良好に維持されるとともに、下段
に位置する埋設枠５の環状凸部８が介装枠１の突出枠体
３の下面及び連結部４の内面を支持するため大なる剪断
力が作用しても介装枠１が破損するようなことはなく、
十分な強度を具備するのである。Moreover, by securing the height in this way, even if an external force is applied laterally to the buried frames 5 stacked in layers, the recess 7 of the buried frame 5 and the protruding frame 3 of the interposing frame 1 The fitting state with the connecting portion 4 is maintained well, and the annular convex portion 8 of the embedded frame 5 located in the lower stage supports the lower surface of the protruding frame body 3 of the interposing frame 1 and the inner surface of the connecting portion 4. Therefore, even if a large shearing force is applied, the interposition frame 1 will not be damaged,
It has sufficient strength.
【００１８】尚、上記実施形態においては、介装枠１の
基礎枠体２及び突出枠体３の裏面に凹溝２ａ、３ａを形
成して介装枠１と埋設枠５の嵌合面における親和性を増
したが、該凹溝２ａ、３ａは必要に応じて設ければよ
く、必ずしも設けなくても構わない。In the above embodiment, the recessed grooves 2a and 3a are formed on the back surfaces of the base frame 2 and the protruding frame 3 of the interposition frame 1 to form a fitting surface between the interposition frame 1 and the embedded frame 5. Although the affinity is increased, the concave grooves 2a and 3a may be provided if necessary, and need not be provided.
【００１９】また、介装枠１の基礎枠体２及び突出枠体
３の上面若しくは下面には、図３に示すような突起１０
や凹溝１１を周方向又は径方向に形成した凹凸部１２を
設けてもよく、これにより埋設枠５の嵌合面の仕上げ状
態が悪くともパッキング機能を果たして凹部７や環状凸
部８との馴染みが良好になり、介装枠１と埋設枠５との
接合面が密着状態になるという利点がある。Further, on the upper surface or the lower surface of the base frame body 2 and the protruding frame body 3 of the interposition frame 1, the protrusion 10 as shown in FIG.
It is also possible to provide a concave and convex portion 12 in which the concave groove 11 is formed in the circumferential direction or the radial direction. With this, even if the fitting surface of the embedded frame 5 is poorly finished, the concave portion 7 and the annular convex portion 8 serve as a packing function. There is an advantage that the familiarity becomes good and the joint surface between the interposition frame 1 and the embedded frame 5 becomes in a close contact state.
【００２０】さらに、上記実施形態では介装枠１の連結
部４を傾斜状に形成してなるが、例えば垂直に形成して
もよい等、介装枠１の各部の形状は埋設枠５の形状に応
じて任意な変更が可能であり、例えば全体を方形状や多
角形状に形成してもよい。Further, in the above-mentioned embodiment, the connecting portion 4 of the interposition frame 1 is formed in an inclined shape, but it may be formed vertically, for example. It can be arbitrarily changed according to the shape, and for example, the whole may be formed in a rectangular shape or a polygonal shape.
【００２１】その他、埋設枠５間に介装枠１を介装する
位置や数、並びにその基礎枠体２、突出枠体３及び連結
部４の具体的な高さも問うものではなく、要は突出枠体
３の高さＨ１と連結部４の高さＨ２との和Ｈ３が基礎枠
体２の高さＨ４よりも大きく設定されればよい。また、
埋設枠５の形状も問うものではなく、枠の上下面又はそ
の何れか一方に介装枠１が介装可能に形成されていれば
よい。In addition, the positions and the number of the interposing frames 1 to be interposed between the embedded frames 5 and the specific heights of the base frame 2, the projecting frame 3 and the connecting portion 4 are not important, and the point is to say. may be set larger than the height H 4 oR H 3 are of the basic frame 2 of the height H 1 of the projecting frame 3 and height H 2 of the connecting portion 4. Also,
The shape of the embedded frame 5 does not matter, as long as the interposition frame 1 can be interposed on the upper and / or lower surface of the frame.
【００２２】[0022]
【発明の効果】叙上のように、本発明は突出枠体の高さ
と連結部の高さとの和を基礎枠体の高さよりも大きく設
定して介装枠を構成してなるため、埋設枠の下面に設け
た凹部との嵌合状態が確実且つ安定化するとともに、突
出枠体及び基礎枠体の厚みを薄くすることにより微小寸
法をもって高さ調節が可能で、一連の施工作業の便に大
いに寄与し得るという格別の効果を得るに至った。As described above, according to the present invention, since the sum of the height of the protruding frame body and the height of the connecting portion is set to be larger than the height of the base frame body, the interposition frame is constructed, so that it is embedded. The fitting state with the recessed part provided on the lower surface of the frame is surely and stabilized, and the height of the protruding frame body and the base frame body can be adjusted with a small dimension by thinning the thickness of the projecting frame body and the foundation frame body. It has come to have a special effect that it can greatly contribute to.
【００２３】しかも、上記のように高さを確保すること
により、段積みされた埋設枠に横方向から外力が加わっ
ても、該埋設枠の凹部と介装枠の突出枠体及び連結部と
の嵌合状態は良好に維持されるとともに、下段に位置す
る埋設枠の環状凸部が介装枠の突出枠体の下面及び連結
部の内面を支持するので十分な強度を具備し、大なる剪
断力が作用しても介装枠が破損しないという有益なる効
果を奏する。Moreover, by ensuring the height as described above, even if an external force is applied to the stacked embedded frames from the lateral direction, the recesses of the embedded frames and the protruding frame body and the connecting portion of the interposing frame are connected to each other. The fitting state is maintained well, and the annular convex portion of the embedded frame located at the lower stage supports the lower surface of the protruding frame body of the interposition frame and the inner surface of the connecting portion, and thus has sufficient strength and is large. Even if a shearing force is applied, the interposition frame is not damaged, which is a beneficial effect.
【００２４】さらに、基礎枠体及び突出枠体に凹凸部を
設けてなる時は、介装枠がパッキング機能を奏して埋設
枠との嵌合を密着状態に保て、相互間のガタツキ等を未
然に防止できるという効果をも奏する。Further, when the base frame and the projecting frame are provided with uneven portions, the interposing frame has a packing function to keep the fitting with the embedded frame in a close contact state, and to prevent rattling between them. It also has the effect of being able to prevent it.
【図１】介装枠の一実施形態を示し、（イ）の左半部は
正面図、右半部は断面図、（ロ）の左半部は平面図、右
半部は底面図、（ハ）は要部拡大断面図。FIG. 1 shows an embodiment of an interposer frame, in which (A) the left half is a front view, the right half is a cross-sectional view, (B) the left half is a plan view, and the right half is a bottom view. (C) is an enlarged cross-sectional view of a main part.
【図２】（イ）は使用状態を示し、左半部は正面図、右
半部は断面図、（ロ）は要部拡大断面図。2A is a front view, the right half is a cross-sectional view, and FIG. 2B is an enlarged cross-sectional view of a main part.
【図３】他の実施形態を示し、（イ）は介装枠の半裁図
で上半部は平面図、下半部は底面図、（ロ）は（イ）の
Ａ−Ａ拡大端面図、（ハ）は（ロ）のＢ−Ｂ断面図、
（ニ）は介装枠の半裁図で上半部は平面図、下半部は底
面図、（ホ）は（ニ）のＣ−Ｃ拡大端面図、（ヘ）は
（ホ）のＤ−Ｄ端面図。FIG. 3 shows another embodiment, in which (a) is a half-cut view of an interposition frame, an upper half is a plan view, a lower half is a bottom view, and (b) is an AA enlarged end view of (a). , (C) is a sectional view taken along line BB of (B),
(D) is a half-cut view of the interposition frame, the upper half is a plan view, the lower half is a bottom view, (E) is a CC enlarged end view of (D), (F) is a D- of (E) D end view.
【図４】従来の介装枠を示し、左半部は正面図、右半部
は断面図。FIG. 4 shows a conventional interposition frame, a left half part is a front view and a right half part is a sectional view.
【図５】従来の使用状態を示し、左半部は正面図、右半
部は断面図。FIG. 5 shows a conventional use state, where the left half is a front view and the right half is a cross-sectional view.
１…介装枠 ２…基礎枠体 ３…突出枠体 ４…連結部 ５…埋設枠 １２…凹凸部 DESCRIPTION OF SYMBOLS 1 ... Interposed frame 2 ... Base frame 3 ... Projection frame 4 ... Connection part 5 ... Embedded frame 12 ... Uneven part
Claims (3)
一体的に連結された突出枠体（３）とからなり且つ埋設
枠（５）間に介装される介装枠において、前記突出枠体
（３）の外径（ｄ）が基礎枠体（２）の外径（Ｄ）より
も小さく形成され、両枠体（２）、（３）の高さ
（Ｈ４）、（Ｈ１）が略同一で、且つ両枠体（２）、
（３）が段差を有して薄肉の連結部（４）により一体的
に連結されてなり、しかも前記突出枠体（３）の高さ
（Ｈ１）と連結部（４）の高さ（Ｈ２）との和（Ｈ３）
が基礎枠体（２）の高さ（Ｈ４）よりも大きく設定され
てなることを特徴とする埋設枠用の介装体。1. An interposer comprising a base frame (2) and a projecting frame (3) integrally connected to the base frame (2) and interposed between embedded frames (5). In the frame, the outer diameter (d) of the protruding frame body (3) is formed smaller than the outer diameter (D) of the base frame body (2), and the height (H) of both frame bodies (2) and (3) is increased. 4 ) and (H 1 ) are substantially the same, and both frame bodies (2),
(3) has a step and is integrally connected by a thin connecting portion (4), and further, the height (H 1 ) of the protruding frame body (3) and the height of the connecting portion (4) ( Sum with H 2 ) (H 3 )
Is set to be larger than the height (H 4 ) of the base frame (2).
一方に凹凸部（１２）が周方向又は径方向に形成されて
なる請求項１記載の埋設枠用の介装体。2. The interposer for a buried frame according to claim 1, wherein the unevenness portion (12) is formed on the upper and / or lower surface of the base frame body (2) either in the circumferential direction or in the radial direction.
一方に凹凸部（１２）が周方向又は径方向に形成されて
なる請求項１又は２記載の埋設枠用の介装体。3. An interposer for an embedded frame according to claim 1 or 2, wherein uneven portions (12) are formed on the upper and / or lower surfaces of the protruding frame (3) in the circumferential direction or the radial direction. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7354833A JP2807982B2 (en) | 1995-12-29 | 1995-12-29 | Intermediate body for buried frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7354833A JP2807982B2 (en) | 1995-12-29 | 1995-12-29 | Intermediate body for buried frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09184155A true JPH09184155A (en) | 1997-07-15 |
| JP2807982B2 JP2807982B2 (en) | 1998-10-08 |
Family
ID=18440216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7354833A Expired - Fee Related JP2807982B2 (en) | 1995-12-29 | 1995-12-29 | Intermediate body for buried frame |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2807982B2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5894737U (en) * | 1981-12-09 | 1983-06-27 | 阪和コンクリ−ト工業株式会社 | Joint structure of stacked manhole blocks |
| JP3052850U (en) * | 1998-04-01 | 1998-10-09 | 株式会社大新産経 | Seat holder |
-
1995
- 1995-12-29 JP JP7354833A patent/JP2807982B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5894737U (en) * | 1981-12-09 | 1983-06-27 | 阪和コンクリ−ト工業株式会社 | Joint structure of stacked manhole blocks |
| JP3052850U (en) * | 1998-04-01 | 1998-10-09 | 株式会社大新産経 | Seat holder |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2807982B2 (en) | 1998-10-08 |
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