JP2950930B2 - How to fix the spacing of the unit floor mounting table for new floor construction - Google Patents
How to fix the spacing of the unit floor mounting table for new floor constructionInfo
- Publication number
- JP2950930B2 JP2950930B2 JP19293790A JP19293790A JP2950930B2 JP 2950930 B2 JP2950930 B2 JP 2950930B2 JP 19293790 A JP19293790 A JP 19293790A JP 19293790 A JP19293790 A JP 19293790A JP 2950930 B2 JP2950930 B2 JP 2950930B2
- Authority
- JP
- Japan
- Prior art keywords
- unit
- mounting table
- positioning member
- unit floor
- plate
- 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.)
- Expired - Lifetime
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Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、OA機器等を設置したときの配線が室内に露
出しないようにするために床下に配線用空間を有する床
を、既設の床の上に単位床板載置台を所定間隔で設置し
その上に単位床板を載置して新設するときに、その単位
床板載置台の間隔を固定する方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a floor having a wiring space below the floor to prevent wiring when installing OA equipment or the like from being exposed indoors. The present invention relates to a method for fixing a unit floor plate mounting table when a unit floor plate mounting table is installed at a predetermined interval on a unit and a unit floor plate is mounted thereon and newly installed.
近年の高度情報化の進展は目覚しく、インテリジエン
トビルの出現に象徴されるように、ビルそのものが従来
の建物の機能に加えて高度な情報処理と情報通信機能と
を備えていることが要求されるようになつてきた。その
ためには多彩な情報通信機器,情報処理設備等を室内に
設置することが必要となり、それらの配線は膨大なもの
となる。The progress of advanced information technology in recent years has been remarkable, and as symbolized by the emergence of intelligent buildings, it is required that the buildings themselves have advanced information processing and information communication functions in addition to the functions of conventional buildings. It has come to be. For that purpose, it is necessary to install a variety of information communication equipment, information processing equipment, and the like in the room, and their wiring becomes enormous.
従来、このような膨大な配線を既設のビルの室内に施
工する場合、既設の配線孔では不充分なこと甚だしく、
やむなく既設の床上を這わし、その上を部分的にカバー
して歩行に対する障害を最小限にする努力はなされてい
たが、実際には歩行上その他問題があつて時には配線を
損傷することもあり、また室内美観からしても好ましく
なかつた。Conventionally, when such an enormous amount of wiring is installed in the room of an existing building, the existing wiring holes are extremely inadequate,
Efforts were made to crawl on the existing floor and partially cover the existing floor to minimize obstacles to walking, but in practice there were other problems with walking and sometimes wiring could be damaged. Also, it is not preferable from the viewpoint of indoor aesthetics.
そこで本発明者らは、既設の床の上に従来同様のコン
クリート床を新設することは工事が大掛かりとなつて長
い工期が必要で費用も高くなることから、新設床板とし
て予め製作したなるべく軽量な単位床板を使用し、高さ
の調節可能な単位床板載置台を既設床上の要所要所に設
置しておいてその上に上記単位床板を載置して固定する
ことにより、床下に配線用空間を有する床を軽便に新設
出来る方法及び単位床板載置台を先に発明した(特願平
2−36086号参照)。この方法の実施には単位床板載置
台を所定位置に位置固定して設置することが必要であ
る。上記先の発明では、このような単位床板載置台の位
置固定方法として次の2つの方法を提案した。第1の発
明は、単位床板載置台を既設の床に鋲止めする方法であ
る。第2の方法は、隣り合う単位床板載置台の基台のそ
れぞれに溝形状の水平方向の位置決め用部材を取り付け
てその先端同士を対向させ、この位置決め用部材に嵌合
し且つ摺動し得る形状の距離調整用部材を上記両先端に
跨つて両側の位置決め用の部材に嵌合させ、それに形成
されているリツプを位置決め用部材の側壁に折り重ねて
不動にして両単位床板載置台の間隔を固定し、これを1
つ単位床板載置台について複数の単位床板載置台との間
で行うことによりその位置を固定する方法である。Therefore, the present inventors have found that the construction of a new concrete floor on the existing floor is the same as the conventional one, requiring a long construction time and a high cost. Using the unit floorboard, the unit floorboard mounting table whose height can be adjusted is installed at the required places on the existing floor, and the unit floorboard is mounted and fixed on it, and the wiring space under the floor A method for easily constructing a floor having a floor and a unit floor plate mounting table were invented earlier (see Japanese Patent Application No. 2-36086). In order to implement this method, it is necessary to fix and install the unit floor plate mounting table at a predetermined position. In the above invention, the following two methods have been proposed as a method for fixing the position of the unit floor plate mounting table. A first invention is a method of fastening a unit floor plate mounting table to an existing floor. In the second method, a groove-shaped horizontal positioning member is attached to each of the bases of the adjacent unit floor plate mounting tables, and the tips thereof are opposed to each other, and can be fitted and slid on the positioning member. The distance adjusting member of the shape is fitted to the positioning members on both sides across the two front ends, and the lip formed thereon is folded over the side wall of the positioning member to be immobilized so that the gap between the two unit floor plate mounting tables is immobilized. And fix this
This is a method of fixing the position of one unit floor mounting table by performing the operation between the plurality of unit floor mounting tables.
単位床板載置台の位置を固定することは上記2つの方
法によりその実施に支障はないが、第1の方法は鋲止め
作業がやゝ厄介であり、第2の方法は位置決め用部材と
距離調整用部材との摺動の完全な防止にやゝ欠けるとこ
ろがあつて単位床板載置台間隔の固定従つてその位置の
固定の完全性に対する不安が絶無ではない。本発明は、
後者の方法を改良してより完全に且つ容易に単位床板載
置台間隔を固定することを課題とする。Fixing the position of the unit floor plate mounting table does not hinder its implementation by the above two methods. However, the first method is rather troublesome for tacking, and the second method is to adjust the distance between the positioning member and the positioning member. There is a place where complete prevention of sliding with the member for use is lacking, and there is no doubt that there is anxiety about the fixation of the unit floorboard mounting table interval and therefore the completeness of the fixation of the position. The present invention
It is an object of the present invention to improve the latter method and more completely and easily fix the unit floor plate mounting table interval.
本発明者らは種々検討した結果、孔とその孔への突起
片の嵌合係止作用によつて摺動不能にすることにより、
上記課題を達成出来ることを究明して本発明を完成し
た。As a result of various studies, the inventors of the present invention have found that by making the hole and the projection piece fit into the hole and locking the same to make it impossible to slide,
The present invention has been completed by finding that the above-mentioned object can be achieved.
以下、図面によつて本発明に係る床新設用単位床板載
置台の間隔固定方法を詳細に説明する。Hereinafter, a method for fixing a spacing between unit floorboards for new floors according to the present invention will be described in detail with reference to the drawings.
第1図は本発明方法の実施に使用する有孔位置決め部
材の1例を示し(イ)は平面図で(ロ)は側面図、第2
図は本発明方法の実施に使用する溝形係止用部材の1例
を示し(イ)は平面図で(ロ)は側面図で(ハ)は正面
図、第3図は本発明方法が実施された状態を示す側面
図、第4図は同平面図、第5図は要部の一部拡大斜視
図、第6図は第3図中に示した単位床板載置台の1例の
拡大側断面図、第7図は第6図中のA−A線の位置から
矢印方向に見た平面図、第8図は単位床板載置台の他の
1例の第6図中の下部に相当する部分の側断面図、第9
図は第8図に示した単位床板載置台の例の第7図に相当
する平面図、第10図は第8図及び第9図に示した単位床
板載置台の例の下部の他の態様を示す斜視図、第11図は
第10図に示した単位床板載置台に有孔位置決め用部材を
嵌挿した状態を示す斜視図、第12図及び第13図はそれぞ
れ単位床板の載置個所の例を示す平面図、第14図は単位
床板の1例を使用して新設した床の平面図、第15図は第
14図中のB−B線拡大断面図である。FIG. 1 shows an example of a perforated positioning member used for carrying out the method of the present invention, (a) is a plan view, (b) is a side view, and
The figure shows an example of a groove-shaped locking member used for carrying out the method of the present invention. (A) is a plan view, (B) is a side view, (C) is a front view, and FIG. FIG. 4 is a plan view, FIG. 5 is a partially enlarged perspective view of a main part, and FIG. 6 is an enlarged view of an example of the unit floor plate mounting table shown in FIG. FIG. 7 is a plan view seen from the position of line AA in FIG. 6 in the direction of the arrow, and FIG. 8 corresponds to the lower part in FIG. 6 of another example of the unit floor plate mounting table. Side sectional view of the part to be
The figure is a plan view corresponding to FIG. 7 of the example of the unit floor plate mounting table shown in FIG. 8, and FIG. 10 is another mode below the example of the unit floor plate mounting table shown in FIG. 8 and FIG. FIG. 11 is a perspective view showing a state in which a perforated positioning member is inserted into the unit floor plate mounting table shown in FIG. 10, and FIGS. 12 and 13 each show a mounting position of the unit floor plate. FIG. 14 is a plan view of a newly installed floor using one example of a unit floor panel, and FIG.
FIG. 15 is an enlarged sectional view taken along line BB in FIG.
先ず、本発明方法の実施に密接に関連する単位床板載
置台及び位置固定された単位床板載置台への単位床板の
載置方法について説明する。First, a unit floorboard mounting table closely related to the implementation of the method of the present invention and a method of mounting the unit floorboard on the position fixed unit floorboard mounting table will be described.
単位床板載置台は次のような構造並びに機能を有す
る。即ち、基台と、この基台に係合していて単位床板の
載置個所が載置される載置板と、この載置板との間に単
位床板の載置個所を押える押え板とから成る。The unit floorboard mounting table has the following structure and function. That is, a base, a mounting plate which is engaged with the base and on which a mounting position of the unit floor plate is mounted, and a pressing plate which presses the mounting position of the unit floor plate between the mounting plate and the mounting plate. Consists of
このような単位床載置台の好適な具体例を図面によつ
て説明する。第6図及び第7図に示す単位床板載置台1
の構成は次のようである。即ち、基台2は既設床面上に
載置される底板3とこの底板3の中心部に垂直に固着さ
れたボルト4とから成つている。また、載置板5は板状
体であつてその中心部に貫通され螺設されている雌ネジ
が第6図に示すようにボルト4に螺合していて回転によ
り上下方向に位置調節可能な構造となつている。この載
置板5の上面には爪を有する適宜な工具で回転させるた
めに、その爪に係合する穴5aを穿設しておくのが好まし
い。押え板6は、第6図に示すように円形板6aの下面中
心部に垂直に突設された管状部6bの内面に袋ナツト状に
螺設された雌ネジによりボルト4に螺合,取外し自在で
あつて、螺合時には回転により下方に移動して載置板5
上に載置された単位床板9の載置個所を円形板6aの下面
で押えて固定する作用をなし、その状態で円形板6aの上
面が新設床面とほぼ同一面を成す構造となつている。こ
のため、円形板6aの厚さt1と単位床板9の載置個所に設
けた段差の高さt2とはほぼ同じになるように設計されて
いるが、円形板6aの上面は必ずしも平面である必要はな
く例えば僅かに凸面をなす曲面状であつても良い。そし
て回転して締め付ける作業を容易にするために、載置板
5の穴5aと同様の穴6cを円形板6aの上面に穿設しておく
ことが好ましい。この押え板6のボルト4への螺合はそ
の円形板6aの下面以下の部分で行われるので、押え板6
の上面は新設床板の上面とほぼ同一面にあることにな
る。第6図,第7図に示すような、平板のままで輪郭を
形成する底板3を有する単位床板載置台1を以下におい
て第1態様と呼ぶこととする。A preferred example of such a unit floor mounting table will be described with reference to the drawings. Unit floor mounting table 1 shown in FIGS. 6 and 7
Is as follows. That is, the base 2 is composed of a bottom plate 3 placed on the existing floor surface and a bolt 4 fixed vertically to the center of the bottom plate 3. The mounting plate 5 is a plate-like body, and a female screw which is threaded through the center of the mounting plate 5 is screwed into the bolt 4 as shown in FIG. Structure. In order to rotate the mounting plate 5 with an appropriate tool having a claw, a hole 5a that engages with the claw is preferably formed in the upper surface of the mounting plate 5. As shown in FIG. 6, the holding plate 6 is screwed to and removed from the bolt 4 by a female screw threaded in a bag nut shape on the inner surface of a tubular portion 6b vertically projecting from the center of the lower surface of the circular plate 6a. It is freely movable and moves downward by rotation when screwed into
The mounting position of the unit floor plate 9 placed thereon is pressed and fixed by the lower surface of the circular plate 6a, and in this state, the upper surface of the circular plate 6a is substantially flush with the new floor surface. I have. Therefore, are designed to be approximately same as the height t 2 of the step provided in置個office placing the thickness t 1 and the unit floor plate 9 of the circular plate 6a, the upper surface of the circular plate 6a necessarily plane However, for example, it may be a curved surface having a slightly convex surface. It is preferable that a hole 6c similar to the hole 5a of the mounting plate 5 is formed in the upper surface of the circular plate 6a in order to facilitate the work of rotating and tightening. The screwing of the holding plate 6 to the bolt 4 is performed at a portion below the lower surface of the circular plate 6a.
The upper surface is almost flush with the upper surface of the new floor panel. 6 and 7, the unit floor plate mounting table 1 having the bottom plate 3 forming a contour as a flat plate is hereinafter referred to as a first mode.
次に、他の態様の単位床板載置台1として、第8図及
び第9図に示すように、隣り合つて配置される単位床板
載置台1の底板3に向かう方向(図例では90度間隔の4
つの方向)に底板3の周縁より所定幅のリツプ付溝3aが
形成されており、その他は前記の単位床板載置台1と同
様のものが示される。この図例では、リツプ付溝3a以外
の底板3の周縁にはリツプ付溝3aの側壁と同じ高さの側
壁3bが形成されている。このような底板3は能率上1枚
の金属板から製作するのが普通であり、製作を容易にす
るためやゝ薄い金属板を使用することがある。これによ
りボルト4の支持強度に不安があるときは、第8図及び
第9図に示した単位床板載置台1の底板3にボルト4を
固着させず、第10図に示すように、底板3の側壁3bで囲
まれた空間内に嵌入される形状の厚板3cにボルト4を固
着したものを使用することが好ましい。第8図及び第9
図に示すような、周縁にリツプ付溝3aが複数個形成され
ている底板3を有する単位床板載置台1を以下において
第2態様と呼ぶこととする。Next, as another example of the unit floor plate mounting table 1, as shown in FIGS. 8 and 9, a direction toward the bottom plate 3 of the unit floor plate mounting table 1 which is arranged adjacent to each other (in the illustrated example, at 90 ° intervals). Of 4
(In two directions), a groove 3a with a predetermined width is formed from the peripheral edge of the bottom plate 3, and the other portions are the same as those of the unit floor plate mounting table 1 described above. In this example, a side wall 3b having the same height as the side wall of the ripped groove 3a is formed on the periphery of the bottom plate 3 other than the ripped groove 3a. Such a bottom plate 3 is usually manufactured from a single metal plate for efficiency, and a thin metal plate may be used to facilitate the manufacture. When the support strength of the bolt 4 is uncertain, the bolt 4 is not fixed to the bottom plate 3 of the unit floor mounting table 1 shown in FIGS. 8 and 9, and the bottom plate 3 is not fixed as shown in FIG. It is preferable to use a thick plate 3c having a shape fitted into the space surrounded by the side wall 3b and the bolt 4 fixed thereto. 8 and 9
A unit floor plate mounting table 1 having a bottom plate 3 having a plurality of ripped grooves 3a formed on the periphery as shown in the drawing is hereinafter referred to as a second embodiment.
単位床板9の形状としては、第12図に示すような正方
形や長方形等の直角四辺形が一般的であるが、多角形な
ど隙間なく敷き詰められる形状を採ることが可能であ
る。単位床板9の大きさは直角四辺形の場合、一辺が例
えば45cm,90cm,180cm等、任意に設定することが出来、
多角形の場合もこれに準じる。その載置台5の上への載
置個所としては第12図に示す如く角部が先ず採用され
る。単位床板9の一辺が例えば45cm程度の小型の場合は
この角部のみの載置で充分である。新設床の中央部で第
7図に一点鎖線で示すように単位床板9の角部を単位床
板載置台1の載置板5上にボルト4の廻りに突き合わせ
状に載置するときは、第12図に示すように押え板6と基
台2との係合部分即ちボルト4に相当する部分として単
位床板9の角部の頂点を含んで切除することよつてボル
ト4を避けて載置することが出来る。しかし、室内の壁
際では特殊な構造の廻り縁を使用しない場合には単位床
板載置台1の既設床上に設置する位置の限界の第13図中
の下側に示すように角部の頂点を含まずに内側に入つた
部を切除して一つの単位床板載置台1上に二つの角部を
隣接状に載置することになる。また、室内の隅でも特殊
な構造の廻り縁を使用しない場合には第13図中の上側に
示すように角部の頂点を含まない位置を切除して一つの
角部を単独に載置する。単位床板9が大型の場合は、載
置台5の上への載置個所として角部の他に単位床板9の
縁部及び/又は中央部寄りの個所を用い、それぞれ縁端
を含む切除や打ち抜き等によつてボルトに相当する部分
を除去して載置する。単位床板9の材質としては限定さ
れないが、発泡アルミニウム板(例えば神鋼鋼線工業
(株)製,商品名:アルポラス)を中芯材とすることが
軽量で強度が高く且つ切除や打ち抜き等の加工が容易で
あるので特に好ましい。The shape of the unit floor panel 9 is generally a quadrangle such as a square or a rectangle as shown in FIG. 12, but a shape such as a polygon that can be laid without gaps can be adopted. When the size of the unit floor panel 9 is a right-angled quadrilateral, one side can be arbitrarily set, for example, 45 cm, 90 cm, 180 cm, etc.
The same applies to polygons. As shown in FIG. 12, a corner portion is firstly adopted as a place for mounting on the mounting table 5. If one side of the unit floor plate 9 is small, for example, about 45 cm, it is sufficient to mount only this corner. At the center of the new floor, as shown by the dashed line in FIG. 7, the corners of the unit floor plate 9 are placed on the mounting plate 5 of the unit floor mounting table 1 around the bolts 4 in abutting manner. As shown in FIG. 12, the unit floor plate 9 is cut off including the apex of the corner of the unit floor plate 9 as an engaging portion between the holding plate 6 and the base 2, that is, a portion corresponding to the bolt 4, so that the unit floor plate 9 is placed avoiding the bolt 4. I can do it. However, when the peripheral edge of the special structure is not used near the wall in the room, the vertex of the corner is included as shown in the lower side in FIG. 13 of the limit of the position to be installed on the existing floor of the unit floor mounting table 1. Instead, the portion that has entered inside is cut off, and two corners are placed adjacent to one unit floor plate mounting table 1. In addition, when the peripheral edge of the special structure is not used even in the corner of the room, a position not including the vertex of the corner is cut off as shown in the upper part of FIG. 13 and one corner is placed alone. . When the unit floor plate 9 is large, a portion near the edge and / or the center of the unit floor plate 9 is used as a place for mounting on the mounting table 5 in addition to the corner, and cut or punched including the edge. Then, the portion corresponding to the bolt is removed and placed. Although the material of the unit floor plate 9 is not limited, it is preferable to use a foamed aluminum plate (for example, Shinko Kogyo Kogyo Co., Ltd., trade name: Alporus) as the core material, which is lightweight, has high strength, and is processed by cutting or punching. This is particularly preferred because of the ease with which it is produced.
上記のように単位床板9はその形状,大きさ等から載
置台5の上への載置個所の位置が定められ、また施工対
象の既設床の形状に合わせてその並べ方が定められ、従
つて既設床上での単位床板載置台1の設置位置が決めら
れる。As described above, the position of the place where the unit floor plate 9 is to be placed on the mounting table 5 is determined from its shape, size, etc., and the arrangement method is determined according to the shape of the existing floor to be constructed. The installation position of the unit floor mounting table 1 on the existing floor is determined.
このようにして決められた設置位置に単位床板載置台
1を位置固定するのに本発明方法が用いられるのである
が、それは後に説明するとして、所定の設置位置に位置
固定された単位床板載置台1に単位床板9を載置する方
法の説明を進める。The method of the present invention is used to fix the position of the unit floor plate mounting table 1 at the installation position determined in this manner. As will be described later, the unit floor plate mounting table 1 fixed at the predetermined installation position will be described later. The description of the method of placing the unit floor plate 9 on 1 will be given.
各単位床板載置台1の載置板5を上下に調節してその
上面を第15図に示すように既設床との間に配線用の空間
10を設けて同一水平面に揃える。この空間の高さとして
は、この空間内に配線される対象物によつて異なるが、
光フアイバーなどを考慮すると17mm以上となるようにす
ることが好ましい。上記作業は所望の水平面の位置に紐
を張り、それに載置板5の上面を合わすことにより容易
に行える。次に、各単位床板載置台1から押え板6を基
台2のボルト4から外した状態で、各載置板5上に単位
床板9の載置個所を押え板6と基台2との係合部分即ち
ボルト4を避けて載置する。The mounting plate 5 of each unit floor plate mounting table 1 is adjusted up and down, and the upper surface thereof is provided with a space for wiring between the floor and the existing floor as shown in FIG.
Set 10 and align on the same horizontal plane. The height of this space depends on the objects wired in this space,
It is preferable that the thickness be 17 mm or more in consideration of an optical fiber or the like. The above operation can be easily performed by stretching a string at a desired horizontal position and fitting the upper surface of the mounting plate 5 to the string. Next, with the holding plate 6 removed from the bolts 4 of the base 2 from the unit floor mounting tables 1, the mounting location of the unit floor plate 9 on each mounting plate 5 is fixed to the position of the holding plate 6 and the base 2. It is placed avoiding the engaging portion, that is, the bolt 4.
このようにして各単位床板9の各載置個所を単位床板
載置台1の載置板5上に載置した後、押え板6を基台2
のボルト4に係合させ、適切な工具で回転させ下方へ移
動させて単位床板9の載置個所を載置板5との間に押え
て固定する。このようにして例えば第14図に示すような
床が床下に配線用の空間10を有して新設されるのであ
る。After each mounting position of each unit floor plate 9 is mounted on the mounting plate 5 of the unit floor plate mounting table 1 in this manner, the holding plate 6 is moved to the base 2.
The unit floor plate 9 is rotated by an appropriate tool and moved downward to press and fix the mounting position of the unit floor plate 9 to the mounting plate 5. In this way, for example, a floor as shown in FIG. 14 is newly provided with a wiring space 10 below the floor.
本発明は、このように単位床板載置台1の既設床上の
所定の設置位置への位置固定を、隣り合う2以上の他の
単位床板載置台1との間隔を固定することによつて行う
ための単位床板載置台間隔の固定方法であつて、先ず次
のような2種の部材を準備する。According to the present invention, the position fixing of the unit floor plate mounting table 1 to the predetermined installation position on the existing floor is performed by fixing the distance between two or more adjacent unit floor plate mounting tables 1. First, the following two members are prepared.
その1つは有孔位置決め用部材7であつて、第1図
(イ)及び(ロ)に示すように細長い板状の金属帯(幅
w,厚さh1)から成り、一定の型に配列された1又は2以
上の嵌合孔7aから成る嵌合孔繰返し単位が金属帯の長さ
方向に少なくともその金属帯の単位床板載置台1と反対
側に位置する端部側に連続して繰り返された嵌合孔列が
穿設されている。第1図に示した例では、嵌合孔7aの1
つが嵌合孔繰返し単位であつて同一の形状,寸法(長径
l,両端の曲率半径rの長孔)の嵌合孔7aが一定の間隔i
を置いて繰り返し穿設されて嵌合孔列を成している。One of them is a perforated positioning member 7, and as shown in FIGS. 1 (a) and 1 (b), an elongated plate-shaped metal band (width).
w, thickness h 1 ), and a fitting hole repeating unit composed of one or more fitting holes 7a arranged in a fixed mold has at least a unit floor plate mounting table of the metal band in the longitudinal direction of the metal band. A row of fitting holes that are continuously repeated is formed in the end portion located on the side opposite to 1. In the example shown in FIG.
Are the same shape and size (long diameter)
l, the fitting holes 7a having the longest curvature radius r at both ends) are at a constant interval i.
Are repeatedly formed to form a fitting hole row.
2種の部材のうちの他の部材は溝形係止用部材8であ
つて、第2図(イ),(ロ)及び(ハ)に示すように例
えば板厚0.3mm程度の溝形の薄金属板から成つており、
その溝内に前記有孔位置決め用部材7を嵌入着底させる
だけのウエブ幅w′及びフランジ高さh2(h2>h1)を有
し、そしてそのウエブ8aには突起片8aaが有孔位置決め
用部材7の嵌合孔列の嵌合孔7aに嵌合する形状を有して
該当位置に張出し加工などにより形成されている。この
突起片8aaの輪郭は必ずしも嵌合孔7aと同じである必要
はなく図例のように嵌合孔7aの両端で内接する曲率半径
r′の2つの筒状突起片であつても良く、この場合一つ
の嵌合孔7aに嵌合する2つの突起片8aaの両端間の長さ
l′が嵌合孔7aの長径lに対応する。第1図及び第2図
中に示す(wとw′),(lとl′),(iとi′),
(rとr′)は、有孔位置決め用部材7と溝形係止用部
材8とを嵌合させる寸法関係にある。The other member of the two members is a groove-shaped locking member 8, for example, a groove-shaped locking member having a plate thickness of about 0.3 mm as shown in FIGS. Made of thin metal plate,
The has a web width of the perforated positioning member 7 simply by fitting-grounding w 'and flange height h 2 (h 2> h 1 ) in its groove, and the protrusion piece 8aa is perforated on its web 8a The hole positioning member 7 has a shape that fits into the fitting hole 7a of the fitting hole row, and is formed at the corresponding position by overhanging or the like. The contour of the projection 8aa does not necessarily have to be the same as the fitting hole 7a, and may be two cylindrical projections having a radius of curvature r 'inscribed at both ends of the fitting hole 7a as shown in the figure. In this case, the length l 'between the two ends of the two projection pieces 8aa fitted in one fitting hole 7a corresponds to the major axis l of the fitting hole 7a. (W and w '), (l and l'), (i and i '),
(R and r ') are in a dimensional relationship in which the perforated positioning member 7 and the groove-shaped locking member 8 are fitted.
有孔位置決め用部材7と溝形係止用部材8とが準備出
来たら、予め有孔位置決め用部材7を単位床板載置台1
の基台2に次のような位置関係で取り付ける。即ち単位
床板載置台1の隣り合う所定の設置位置を結ぶ直線(設
置位置が単位床板9の縁部に当る場合でも必ずしもその
縁部に沿うように結ぶ必要はない)上で、有孔位置決め
用部材7の嵌合孔列が穿設されている側(有孔位置決め
用部材7の全長に亘つて穿設されている場合はどちら側
でも良い)の端部同士を間隙を有して対向させると共
に、第5図に示すようにこの間隙sを含んで両側の有孔
位置決め用部材7の位置に亘つて想定された共通の一つ
の嵌合孔列の嵌合孔7aの位置に両側の有孔位置決め用部
材7の嵌合孔7aを合致させたとき、換言すれば両側の有
孔位置決め用部材7用の上記間隙sを埋めて1本の有孔
位置決め用部材7としたときに両側の嵌合孔列が接続す
る1つの嵌合孔列(若し間隙sの部分に嵌合孔7aが存在
すべき場合はその嵌合孔7aを想定する)を形成している
ときの上記所定の設置位置に置かれた状態の単位床板載
置台1との位置関係で有孔位置決め用部材7の基部を単
位床板載置台1に取り付けるのである。このような位置
関係は、嵌合孔列(嵌合孔繰返し単位の型及び寸法)を
一定とすれば、単位床板載置台1の隣り合う設置位置間
隔と、対向する相手側の単位床板載置台1へ取り付けら
れた有孔位置決め用部材7の嵌合孔列の位置とによつて
変動する。従つて、実際的にはこのような変動要因を少
なくするため、単位床板9としては好ましくは四辺形,
更に好ましくは第12図のような正四辺形のものを使用し
て隣り合う設置位置間隔を1種又は2種程度の一定間隔
(壁際及び並びの末端でこの一定間隔でない間隙となる
のはやむを得ない)とし、単位床板載置台1と有孔位置
決め用部材7との位置関係の数及び有孔位置決め用部材
7の長さの数をなるべく少なくするのが好ましい。有孔
位置決め用部材7の長さについては、両側から対向させ
たときに重なる場合は溝形係止用部材8による連結は不
可能となるので少なくとも間隙sを生じさせるのであれ
ば良く、その間隙sの長さを厳密に規定するものである
必要がないので実際の有孔位置決め用部材7の製作上有
利である。When the perforated positioning member 7 and the groove-shaped locking member 8 are ready, the perforated positioning member 7 is preliminarily attached to the unit floor plate mounting table 1.
To the base 2 with the following positional relationship. That is, on a straight line connecting adjacent predetermined installation positions of the unit floorboard mounting table 1 (even when the installation position hits the edge of the unit floorboard 9, it is not always necessary to connect the edge along the edge). The ends of the member 7 on the side where the fitting hole row is bored (if the hole is positioned over the entire length of the perforated positioning member 7 may be on either side), the ends are opposed to each other with a gap. In addition, as shown in FIG. 5, both sides are located at the position of the fitting hole 7a of one common fitting hole row supposed over the position of the hole positioning member 7 on both sides including the gap s. When the fitting holes 7a of the hole positioning members 7 are matched, in other words, when the gap s for the hole positioning members 7 on both sides is filled to form one hole positioning member 7, both sides are formed. One fitting hole row to which the fitting hole row connects (if the fitting hole 7a should exist in the portion of the gap s, The base of the perforated positioning member 7 is positioned on the unit floor plate mounting table in a positional relationship with the unit floor plate mounting table 1 placed at the predetermined installation position when the fitting hole 7a is formed. Attach it to 1. Such a positional relationship is such that if the fitting hole row (the type and the size of the fitting hole repeating unit) is constant, the interval between adjacent installation positions of the unit floor plate mounting table 1 and the unit floor plate mounting table on the opposing partner side. 1 varies depending on the position of the fitting hole row of the perforated positioning member 7 attached to the hole 1. Therefore, in order to reduce such fluctuation factors in practice, the unit floor panel 9 is preferably a quadrilateral,
It is more preferable to use a regular quadrilateral as shown in FIG. 12 and to set one or two kinds of adjacent intervals between adjacent installation positions (a gap other than this constant interval at the edge of a wall or at the end of a line is unavoidable. It is preferable that the number of positional relationships between the unit floor plate mounting table 1 and the perforated positioning member 7 and the number of lengths of the perforated positioning member 7 be reduced as much as possible. Regarding the length of the perforated positioning member 7, if it overlaps when it is opposed from both sides, the connection by the groove-shaped locking member 8 becomes impossible, so that it is sufficient that at least the gap s is generated. Since it is not necessary to strictly define the length of s, it is advantageous in manufacturing the actual perforated positioning member 7.
有孔位置決め用部材7の基部の単位床板載置台1の基
台2への取付けは次のように行う。Attachment of the base of the perforated positioning member 7 to the base 2 of the unit floor plate mounting table 1 is performed as follows.
単位床板載置台1が前記第1態様の場合には、第3図
及び第4図に示すように有孔位置決め用部材7の基部を
基台2の一部である底板3の縁部に溶接する。When the unit floor plate mounting table 1 is in the first mode, the base of the perforated positioning member 7 is welded to the edge of the bottom plate 3 which is a part of the base 2 as shown in FIGS. I do.
また単位床板載置台1が前記第2態様の場合には、先
ず有孔位置決め用部材7の基部をリツプ付溝3aに所定の
停止位置まで嵌入する。この停止位置までとは、例えば
第10図の場合は厚板3cに、厚板3cが存在しない場合は適
宜に位置を定めて設けたストツパー又はボルト4に、基
部が当接するまでである。次いでリツプ付溝3aのリツプ
又はリツプとフランジとを有孔位置決め用部材7の上に
例えば第11図に示すように適宜折り重ねるのである(こ
の作業をなくすには、予め溝の深さを有孔位置決め用部
材7の厚さにh1に合わせて作成しておくのが好まし
い)。この場合、有孔位置決め用部材7の基部が当接す
る厚板3cの縁部即ちストツパー又はボルト4の位置が確
定しているから、単位床板載置台1と有孔位置決め用部
材7との位置関係は固定されるのである。When the unit floor plate mounting table 1 is in the second mode, the base of the perforated positioning member 7 is first fitted into the groove 3a with a lip until a predetermined stop position. The stop position is, for example, in the case of FIG. 10 until the base comes in contact with the thick plate 3c, or in the absence of the thick plate 3c, with the stopper or bolt 4 which is appropriately positioned and provided. Next, the lip or the lip of the lip groove 3a or the lip and the flange are appropriately folded on the perforated positioning member 7 as shown in FIG. 11, for example. preferably, it keeps tailored to h 1 the thickness of the hole positioning member 7). In this case, since the edge of the thick plate 3c, that is, the position of the stopper or the bolt 4 with which the base of the perforated positioning member 7 contacts, is fixed, the positional relationship between the unit floor plate mounting table 1 and the perforated positioning member 7 is determined. Is fixed.
このようにして有孔位置決め用部材7を取り付けられ
た各単位床板載置台1を隣り合うほぼ所定の設置位置に
置き、有孔位置決め用部材7をその有孔位置決め用部材
7の単位床板載置台1との位置関係が定められたときの
条件となつた単位床板載置台1の設置位置間隔を隔てて
隣り合う単位床板載置台1に向かわせて第3図,第4図
に示すようにその端部同士を対向させる。このとき端部
間に間隙sが生じる。次いで溝形係止用部材8を両側の
有孔位置決め用部材7,7に亘つて位置させ、その溝内に
有孔位置決め用部材7を嵌入させる。このように対向さ
せた状態における両側の有孔位置決め用部材7,7の各嵌
合孔7aは連続する一つの嵌合孔列を形成しており、そし
て溝形係止用部材8の突起片8aaは予め上記嵌合孔列に
嵌合するように形成されているので、上記のように有孔
位置決め用部材7を嵌入させた状態で溝形係止用部材8
の位置を調整すると、その各突起片8aaは両側の有孔位
置決め用部材7に亘つて第5図に示すように嵌合孔7aに
嵌合させることが出来る。このように各突起片8aaを嵌
合孔7aに嵌合させたら、第5図に示すように溝形係止用
部材8のフランジ8bを両側の有孔位置決め用部材7の上
に折り重ねる。この作業は溝形係止用部材8が薄板のた
め特別に道具を使用しなくても手で行うことが出来る。
この折重ねにより突起片8aaと嵌合孔7aとの嵌合状態は
外れることがなく有孔位置決め用部材7と溝形係止用部
材8とは摺動は不能となつて両側の有孔位置決め用部材
7は堅固に連結され、従つて両側の単位床板載置台1,1
間隔は固定されるのである。Each unit floor plate mounting table 1 having the perforated positioning member 7 attached thereto is placed at a substantially predetermined installation position adjacent thereto, and the perforated positioning member 7 is mounted on the unit floor plate mounting table of the perforated positioning member 7. As shown in FIG. 3 and FIG. 4, the unit floor plate mounting table 1 is set to be adjacent to the unit floor plate mounting table 1 with an installation position interval therebetween as a condition when the positional relationship with the unit floor table 1 is determined. The ends are opposed to each other. At this time, a gap s is generated between the ends. Next, the groove-shaped locking member 8 is positioned over the perforated positioning members 7, 7 on both sides, and the perforated positioning member 7 is fitted into the groove. The fitting holes 7a of the positioning members 7, 7 on both sides in the state of facing each other form one continuous row of fitting holes, and the protruding piece of the groove-shaped locking member 8 is formed. 8aa is formed in advance so as to fit in the above-mentioned row of fitting holes, so that the groove-shaped locking member 8 is fitted with the hole-positioning member 7 fitted as described above.
Is adjusted, the respective projections 8aa can be fitted into the fitting holes 7a as shown in FIG. 5 over the perforated positioning members 7 on both sides. When the projections 8aa are fitted in the fitting holes 7a in this way, the flanges 8b of the groove-shaped locking members 8 are folded over the perforated positioning members 7 on both sides as shown in FIG. This operation can be performed by hand without using any special tool because the groove-shaped locking member 8 is a thin plate.
Due to this folding, the fitted state of the projection piece 8aa and the fitting hole 7a does not come off, so that the perforated positioning member 7 and the grooved locking member 8 cannot slide, and the perforated positioning on both sides is impossible. Members 7 are firmly connected, and accordingly, the unit floor plate mounting tables 1, 1 on both sides are connected.
The spacing is fixed.
以上詳述したように、本発明方法は床下に配線用空間
を有する床を既設床上の所定の設置位置に単位床板載置
台を位置固定してこの上に単位床板を載置して新設する
ときに、単位床板載置台に有孔位置決め用部材を取り付
けて隣り合う単位床板載置台の有孔位置決め用部材の端
部同士を対向させ、この両方の嵌合孔に亘つて1つの溝
形係止用部材の突起片を嵌合係止させてそのフランジを
手で折り重ねるという簡単な作業により嵌合状態の外れ
を防止するようにしたことにより、隣り合う単位床板載
置台の間隔を固定することは誠に容易であり、従つてこ
のように位置固定された単位床板載置台に単位床板を載
置して床を新設することを容易である。そして対向させ
た両方の有孔位置決め用部材の端部間に間隙があつても
両者の連結には全く支障はないから、その長さを厳格に
管理する厄介はない。また、有孔位置決め用部材の嵌合
孔列及び長さを規格化して予め少数種の有孔位置決め用
部材を取り付けられた単位床板載置台を用意しておけ
ば、施工現場での作業は一層簡単である。As described in detail above, the method of the present invention is used when a floor having a wiring space under the floor is fixed at a predetermined installation position on an existing floor with a unit floor plate mounting table fixed thereon, and a unit floor plate is mounted thereon and newly installed. Then, a perforated positioning member is attached to the unit floor plate mounting table, the ends of the perforated positioning members of the adjacent unit floor plate mounting tables are opposed to each other, and one groove-shaped engagement is provided over both the fitting holes. The gap between adjacent unit floor plate mounting tables is fixed by preventing the disengagement of the fitted state by the simple work of fitting and locking the projecting piece of the member for use and folding the flange by hand. Therefore, it is very easy to mount the unit floorboard on the unit floorboard mounting table fixed in position in this way and to newly construct a floor. Even if there is a gap between the ends of the two opposing perforated positioning members, there is no problem at all in connecting them, so that there is no trouble in strictly controlling the length. In addition, if the unit floor plate mounting table on which a small number of types of perforated positioning members are prepared in advance by standardizing the fitting hole rows and lengths of perforated positioning members is prepared, the work at the construction site is further improved. Easy.
第1図は本発明方法の実施に使用する有孔位置決め部材
の1例を示し(イ)は平面図で(ロ)は側面図、第2図
は同じく溝形係止用部材の1例を示し(イ)は平面図で
(ロ)は側面図で(ハ)は正面図、第3図は本発明方法
が実施された状態を示す側面図、第4図は同じく平面
図、第5図は同じく一部拡大斜視図、第6図は第3図中
に示された単位床板載置台の1例の拡大側断面図、第7
図は第6図中のA−A線の位置から矢印方向に見た平面
図、第8図は単位床板載置台の他の1例の第6図中の下
部に相当する部分の側断面図、第9図は第8図に示した
単位床板載置台の例の第7図に相当する平面図、第10図
は第8図及び第9図に示した単位床板載置台の例の下部
の他の態様を示す斜視図、第11図は第10図に示した単位
床板載置台に有孔位置決め用部材を嵌挿した状態を示す
斜視図、第12図及び第13図はそれぞれ単位床板の載置個
所の例を示す平面図、第14図は単位床板の1例を使用し
て新設した床の平面図、第15図は第14図中のB−B線拡
大断面図である。 図面中 1……単位床板載置台 2……基台 3……底板 3a……リツプ付溝 3b……側壁 3c……厚板 4……ボルト 5……載置板 5a……穴 6……押え板 6a……円形板 6b……管状部 6c……穴 7……有孔位置決め用部材 7a……嵌合孔 8……水平方向の距離調整用部材 8a……ウエブ 8aa……突起片 8b……フランジ 9……単位床板 10……配線用の空間 h1……有孔位置決め用部材の厚さ h2……溝形係止用部材のフランジ高さ i……嵌合孔の間隔 i′……突起片の間隔 l……嵌合孔の長径 l′……嵌合孔に嵌合する突起片の両端間の長さ r,r′……曲率半径 s……有効位置決め用部材間隙 w……有孔位置決め用部材の幅 w′……溝形係止用部材のフランジ内幅FIG. 1 shows an example of a perforated positioning member used for carrying out the method of the present invention, (a) is a plan view, (b) is a side view, and FIG. 2 is an example of a groove-shaped locking member. (A) is a plan view, (b) is a side view, (c) is a front view, FIG. 3 is a side view showing a state in which the method of the present invention is carried out, FIG. 4 is a plan view, and FIG. Is a partially enlarged perspective view of the same, FIG. 6 is an enlarged side sectional view of an example of the unit floor plate mounting table shown in FIG. 3, and FIG.
The figure is a plan view seen from the position of the line AA in FIG. 6 in the direction of the arrow, and FIG. 8 is a side sectional view of a portion corresponding to the lower part in FIG. 9 is a plan view corresponding to FIG. 7 of the example of the unit floor plate mounting table shown in FIG. 8, and FIG. 10 is a lower view of the example of the unit floor plate mounting table shown in FIG. 8 and FIG. FIG. 11 is a perspective view showing another embodiment, FIG. 11 is a perspective view showing a state in which a perforated positioning member is inserted into the unit floor plate mounting table shown in FIG. 10, and FIG. 12 and FIG. FIG. 14 is a plan view showing an example of a mounting place, FIG. 14 is a plan view of a floor newly constructed using one example of a unit floor plate, and FIG. 15 is an enlarged sectional view taken along the line BB in FIG. In the drawings: 1 Unit floor plate mounting base 2 Base 3 Bottom plate 3a Groove with lip 3b Side wall 3c Thick plate 4 Bolt 5 Mounting plate 5a Hole 6 Pressing plate 6a ... Circular plate 6b ... Tube 6c ... Hole 7 ... Positioning member 7a ... Mating hole 8 ... Horizontal distance adjusting member 8a ... Web 8aa ... Protrusion piece 8b ...... flange 9 ...... unit floor 10 ...... space h 1 ...... interval i of the flange height i ...... fitting hole of the thickness h 2 ...... interposition locking element of the perforated positioning member for wiring間隔 間隔 突起 突起 間隔 間隔 間隔…………… 間隔…… 間隔… 間隔 間隔…… 間隔 間隔 間隔………… 間隔… 間隔………………………………………………… w: Width of perforated positioning member w ': Inner flange width of grooved locking member
Claims (3)
間(10)を隔てて置き並べて床を新設するために、基台
(2)と、該基台(2)に係合していて単位床板(9)
の載置個所が載置される載置板(5)と、該載置板
(5)との間に単位床板(9)の載置個所を押える押え
板(6)とから成る単位床板載置台(1)を所定の間隔
を置いて既設床上に配置してその間隔を固定する方法で
あつて、細長い板状の金属帯から成りその長さ方向に一
定の型に配列された1又は2以上の嵌合孔から成る嵌合
孔繰返し単位が少なくともその金属帯の単位床板載置台
(1)と反対側に位置する端部側に連続して繰り返され
た嵌合孔列が穿設されている有孔位置決め用部材(7)
と、溝形の薄金属板から成つていてその溝内に上記有孔
位置決め用部材(7)を嵌入着底させるだけのウエブ幅
(w′)及びフランジ高さ(h2)を有し、上記有孔位置
決め用部材(7)の嵌合孔列の嵌合孔(7a)に嵌合する
形状の突起片(8aa)を連続してウエブ(8a)に形成さ
れている溝形係止用部材(8)とを準備し、単位床板載
置台(1)の隣り合う所定の設置位置を結ぶ直線上で上
記有孔位置決め用部材(7)の端部同士を間隔(s)を
有して対向させると共に該間隔(s)を含んで両側の有
孔位置決め用部材(7)の位置に亘つて想定された共通
の一つの嵌合孔列の嵌合孔(7a)の位置に上記両側の有
孔位置決め用部材(7)の嵌合孔(7a)を合致させたと
きの、上記所定の設置位置に置かれた単位床板載置台
(1)との位置関係で有孔位置決め用部材(7)の基部
を単位床板載置台(1)の基台(2)に取り付け、かく
して有孔位置決め用部材(7)を取り付けられた各単位
床板載置台(1)を隣り合う所定の設置位置に置いて有
孔位置決め用部材(7)の端部同士を対向させ、前記溝
形係止用部材(8)を両側の有孔位置決め用部材(7)
に亘つて位置させその溝内に有孔位置決め用部材(7)
を嵌入させると共にその突起片(8aa)を嵌合孔(7a)
に嵌合せしめた後、溝形係止用部材(8)のフランジ
(8b)を有孔位置決め用部材(7)上に折り重ねること
を特徴とする床新設用単位床板載置台の間隔固定方法。1. A base (2) and a base (2) for arranging a unit floor plate (9) and an existing floor with a wiring space (10) therebetween with a wiring space (10) therebetween to construct a new floor. Unit floor panel (9)
And a holding plate (6) for holding the mounting position of the unit floor plate (9) between the mounting plate (5) and the mounting plate (5). A method of arranging mounting tables (1) on a pre-existing floor at predetermined intervals to fix the intervals, comprising one or two elongated metal strips arranged in a fixed pattern in the longitudinal direction. The fitting hole repeating unit composed of the above fitting holes is formed with a continuously repeated fitting hole row at least at the end portion of the metal band opposite to the unit floor plate mounting table (1). Perforated positioning member (7)
And a web width (w ′) and a flange height (h 2 ) made of a groove-shaped thin metal plate, which are sufficient to fit the perforated positioning member (7) into the groove and to settle the bottom. A groove-shaped latch formed on the web (8a) by continuously forming a projection piece (8aa) having a shape fitted into the fitting hole (7a) of the fitting hole row of the perforated positioning member (7). And a gap (s) between the ends of the perforated positioning member (7) on a straight line connecting adjacent predetermined installation positions of the unit floor mounting table (1). At the position of the fitting hole (7a) of one common fitting hole row assumed over the position of the perforated positioning member (7) on both sides including the interval (s). When the fitting hole (7a) of the perforated positioning member (7) is matched, the positional relationship with the unit floor plate mounting table (1) placed at the predetermined installation position is determined. The base of the positioning member (7) is attached to the base (2) of the unit floor plate mounting table (1), and thus the unit floor plate mounting tables (1) to which the perforated positioning members (7) are mounted are adjacent to each other. The end portions of the perforated positioning members (7) are opposed to each other at the installation position, and the groove-shaped locking members (8) are positioned on both sides of the perforated positioning members (7).
(7)
And the projection (8aa) into the fitting hole (7a)
Characterized in that the flange (8b) of the groove-shaped locking member (8) is folded over the perforated positioning member (7) after being fitted to the unit. .
孔位置決め用部材(7)の取付けを溶接により行う請求
項1に記載の床新設用単位床板載置台の間隔固定方法。2. The fixed spacing between unit floorboards for new floors according to claim 1, wherein the perforated positioning member (7) is attached to the base (2) of the unit floorboard mounting table (1) by welding. Method.
孔位置決め用部材(7)の取付けを、単位床板載置台
(1)の基台(2)に形成されたリツプ付溝に所定の停
止位置まで挿入することにより行う請求項1に記載の床
新設用単位床板載置台の間隔固定方法。3. A method of mounting a perforated positioning member (7) on a base (2) of a unit floor mounting table (1) by using a lip formed on a base (2) of the unit floor mounting table (1). 2. The method according to claim 1, wherein the gap is fixed by inserting the unit into a groove to a predetermined stop position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19293790A JP2950930B2 (en) | 1990-07-23 | 1990-07-23 | How to fix the spacing of the unit floor mounting table for new floor construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19293790A JP2950930B2 (en) | 1990-07-23 | 1990-07-23 | How to fix the spacing of the unit floor mounting table for new floor construction |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0480460A JPH0480460A (en) | 1992-03-13 |
JP2950930B2 true JP2950930B2 (en) | 1999-09-20 |
Family
ID=16299485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19293790A Expired - Lifetime JP2950930B2 (en) | 1990-07-23 | 1990-07-23 | How to fix the spacing of the unit floor mounting table for new floor construction |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2950930B2 (en) |
-
1990
- 1990-07-23 JP JP19293790A patent/JP2950930B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0480460A (en) | 1992-03-13 |
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