JPH11179715A - Concrete shuttering device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure the easy installation and the outstanding workability by providing nut members for fastening a retaining part to an outer concrete shuttering, on the tip part of a penetrating rod which fits into the through hole of the outer concrete shuttering from the inside of the shuttering, then penetrates through the retaining part of a flexible member with a projecting body to be engaged with heading for the interior and is introduced through the through hole and the female threaded hole of a long-size nut. SOLUTION: A penetrating rod 20 penetrates through a retaining part 16, then runs through the through hole 13 of an outer concrete shuttering 6 and the female threaded part of a high nut 7 and juts out a male threaded tip part 21 to the outside of a long-size nut 7. Further, two nut members 22, 22 are screwed into the tip part 21 to fix the retaining part 16 projecting to the inside of the outer concrete shuttering 6. In addition, one of the ends of a cylindrical pipe-like, suspended and reversible hole forming member 5 is fitted into the retaining part 16, especially a projecting body 15 to be engaged with, and a cap-like cover member 23 of a flexible member such as a plastic member is fitted to the one end side. Further, the outer concrete shuttering 6 is set upright and then is filled with a concrete. Thus it is possible to simply and promptly install the suspended and reversible hole forming member 5 in the concrete shuttering 6 and ensure the outstanding workability of a concrete product.

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】本発明はＵ字溝の側壁を貫通
して形成された吊上げ反転穴付きＵ字溝を製造しうる型
枠装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a formwork device capable of manufacturing a U-shaped groove having a lifting inverted hole formed through a side wall of a U-shaped groove.

【０００２】[0002]

【従来の技術】従来から、図７に示すように、例えばＵ
字溝１の両側壁２，２の略中間位置（Ｕ字溝の略重心位
置）に吊上げ反転穴３を形成したＵ字溝１が一般に知ら
れている。ここで、コンクリート製のＵ字溝１は重量の
重いもので１トン以上の重量を有し、コンクリート固化
後において、型枠からの脱型作業を安全に行うこと、そ
して製作したＵ字溝１を安全、迅速に所定箇所に敷設す
ることが特に要請されている。2. Description of the Related Art Conventionally, as shown in FIG.
There is generally known a U-shaped groove 1 in which a lifting inverted hole 3 is formed at a substantially intermediate position (substantially the center of gravity of the U-shaped groove) between both side walls 2 and 2 of the U-shaped groove 1. Here, the concrete U-shaped groove 1 is heavy and has a weight of 1 ton or more. After the concrete is solidified, the work of removing the mold from the formwork can be performed safely. There is a particular demand for safe and quick laying at predetermined locations.

【０００３】そこで、本件発明者あるいは本件発明者の
父親である高見昭司は、大型で重量のあるＵ字溝１の安
全な脱型作業、あるいは当該Ｕ字溝１の安全、迅速な敷
設作業を行えるよう開発、実験を重ね、ついにＵ字溝１
の側壁２に吊り上げ反転用の穴ができるよう型枠設置と
同時に簡単にその吊上げ反転穴形成治具を型枠内に設置
でき、コンクリートの固化後はその吊上げ反転穴３を利
用して簡単に脱型でき、さらには該Ｕ字溝１を敷設する
際、その吊上げ反転穴３を使ってきわめて簡単に、かつ
迅速に、かつ安全に敷設できる効果を有する発明（吊り
上げ反転穴付きＵ字溝及びその型枠装置等）を多く輩出
してしてきた。[0003] The inventor of the present invention or his father, Shoji Takami, has been working to safely remove the large and heavy U-shaped groove 1 or to safely and quickly lay the U-shaped groove 1. After repeated development and experimentation, finally U-shaped groove 1
The jig for forming a reversing hole can be easily installed in the form simultaneously with the setting of the form so that a hole for reversing the form can be formed on the side wall 2 of the mold. An invention which can be removed from the mold and has an effect of being able to lay the U-shaped groove 1 very easily, quickly and safely using the lifting inverted hole 3 (the U-shaped groove with the lifting inverted hole and Many of its formwork devices, etc.).

【０００４】ここで、何故Ｕ字溝１を吊り上げて反転し
なければならないかにつき述べると、まず、Ｕ字溝１を
脱型する際、該Ｕ字溝１は使用時とは反対の状態、すな
わち逆Ｕ字状に寝かされた状態で取り出される（図５，
図６参照）。そして、一般に製造されたＵ字溝１はこの
逆Ｕ字状の状態で収納場所へ収納される。その状態の方
が収納の安定性が高く、また複数段に重ねられ、収納効
率が格段に優れているからである。Here, the reason why the U-shaped groove 1 must be lifted and turned upside down is as follows. First, when the U-shaped groove 1 is removed from the mold, the U-shaped groove 1 is in a state opposite to that in use. That is, it is taken out in a state of being laid in an inverted U shape (FIG. 5,
See FIG. 6). Then, the generally manufactured U-shaped groove 1 is stored in the storage place in this inverted U-shaped state. This is because, in this state, the storage stability is higher, and the storage efficiency is remarkably excellent since the storage is performed in a plurality of stages.

【０００５】よって、通常は該Ｕ字溝１を敷設現場に運
搬する際も、また敷設現場に仮置きする際も逆Ｕ字状に
寝かせた状態とし、かつ複数段に重ねて置かれる。しか
し、実際に該Ｕ字溝１を敷設するときはＵ字状に起こし
て設置しなければならず、従来は多くの作業者が長時間
かけてＵ字溝１を逆Ｕ字の状態からＵ字状の状態に起こ
し、また長時間かけて敷設場所まで運び、長時間かけて
敷設の微調整（Ｕ字溝１を１個だけ敷設するのではなく
複数のＵ字溝１を繋ぎ合わさなければならないため接続
の微調整が必要とされる）を行い、Ｕ字溝１を敷設する
こととしていた。[0005] Therefore, when the U-shaped groove 1 is usually transported to the laying site and temporarily placed on the laying site, the U-shaped groove 1 is laid in an inverted U-shape and placed in a plurality of stages. However, when the U-shaped groove 1 is actually laid, the U-shaped groove 1 must be set up in a U-shape. Conventionally, many workers take a long time to move the U-shaped groove 1 from the inverted U-shaped state to the U-shaped state. Raise it in the shape of a letter, carry it over a long time to the place where it is to be laid, and fine-tune the laying over a long time (do not lay one U-shaped groove 1 but connect multiple U-shaped grooves 1 (This requires fine adjustment of the connection), and the U-shaped groove 1 is laid.

【０００６】ここで、本件発明者及び本件発明者の父親
は前記のような画期的な吊上げ反転穴付きＵ字溝及びそ
の型枠装置を発明したため、多くのコンクリート業者あ
るいは建設業者は飛躍的に作業時間を短縮化できたと共
に、飛躍的に敷設作業等にかかる事故件数を減らすこと
が出来たのである。すなわち、あらかじめＵ字溝１を製
造する型枠装置４内に吊上げ反転穴３を形成する部材を
取り付けておき、その状態でコンクリートを充填して固
化させれば、自動的に吊上げ反転穴付きのＵ字溝１を製
造でき、この穴を使って脱型から、敷設作業から全て安
全、迅速、かつコストをきわめて安価にして行うことが
出来るからである。Here, since the present inventor and his father have invented the above-described innovative U-shaped groove with a reversing lifting hole and a formwork device therefor, many concrete contractors or construction companies have taken a breakthrough. In addition to shortening the working time, the number of accidents related to laying work etc. was dramatically reduced. That is, if a member for forming the lifting reversing hole 3 is previously installed in the formwork device 4 for manufacturing the U-shaped groove 1, and concrete is filled and solidified in this state, the lifting reversing hole is automatically provided. This is because the U-shaped groove 1 can be manufactured, and the hole can be used for removal from the mold, laying work, all safely, quickly and at extremely low cost.

【０００７】よって、この分野における本件発明者及び
高見昭司の特許件数の総数は１００件を越えるものとな
っていた。ここでこれら発明の特徴は、まず吊上げ反転
穴形成部材５を金属製で形成したことである。１トンも
の重量を有するＵ字溝１を２箇所で吊り上げ、反転させ
るのである。金属製のように剛性の高いものでなければ
破損してしまうことになるからである。Therefore, the total number of patents of the present inventor and Shoji Takami in this field has exceeded 100. Here, the feature of these inventions is that the lifting inverted hole forming member 5 is formed of metal first. The U-shaped groove 1 weighing as much as one ton is lifted at two places and inverted. This is because if the material is not rigid such as metal, it will be damaged.

【０００８】次に、金属パイプ状の穴形成部の略中間位
置に円盤状のアンカー部を取り付けたことである。この
ようにアンカー部を外側に張り出したものとして構成し
ないと、吊上げ反転穴形成部材をコンクリートに埋設し
てＵ字溝製品として出荷した後、吊り上げ反転の作業中
に前記吊上げ反転穴形成部材が、該穴に差し込んだ吊上
げ反転工具に引っ張られてとれてしまう恐れがあったか
らである。[0008] Next, a disk-shaped anchor portion is attached to a substantially middle position of the metal pipe-shaped hole forming portion. If the anchor portion is not configured as extending outward as described above, the lifting inversion hole forming member is buried in concrete and shipped as a U-shaped groove product, and during the lifting and inversion operation, the lifting inversion hole forming member is This is because there was a risk that the lifting and reversing tool inserted into the hole would pull and remove the tool.

【０００９】また、吊上げ反転穴３をＵ字溝１の側壁２
を貫通する貫通型としたことである。通常、Ｕ字溝１は
外側の吊上げ反転穴３に吊り上げ反転工具を差し込んで
吊上げ反転させるのであるが、実際の現場施工にあって
は作業スペースがきわめて狭かったり、あるいはＵ字溝
１を掘削した溝内に敷設するときなど、Ｕ字溝１の外側
の穴に吊上げ反転工具を差し込んでは作業できない場合
がある。Further, the lifting inversion hole 3 is formed in the side wall 2 of the U-shaped groove 1.
Is a penetrating type that penetrates through. Normally, the U-shaped groove 1 is lifted and inverted by inserting a lifting and reversing tool into the outer lifting and reversing hole 3, but in actual on-site construction, the working space is extremely narrow or the U-shaped groove 1 is excavated. In some cases, such as when laying in a groove, work cannot be performed by inserting a lifting and reversing tool into a hole outside the U-shaped groove 1.

【００１０】このようなときは、Ｕ字溝１の内側にも穴
を形成し（よって通常はＵ字溝の側壁を貫通する貫通型
穴となる。この方がコストも安価となり、穴形成工事も
簡単だからである。）、この穴に吊上げ反転工具を差し
込んで敷設作業及びその微調整を行うのである。In such a case, a hole is also formed inside the U-shaped groove 1 (so that the hole is usually a through hole penetrating the side wall of the U-shaped groove. This is because it is easy.), And a laying work and its fine adjustment are performed by inserting a lifting and reversing tool into this hole.

【００１１】[0011]

【発明が解決しようとする課題】しかしながら、従来で
は以下に述べるような課題があった。すなわち、図６か
ら理解されるように型枠装置４の外型枠６の外側には、
穿設された透孔に連通するように雌ねじ孔が設けられた
長尺ナット７が固着されており、該長尺ナット７内の雌
ねじ孔に外側から長尺ボルト８をねじ込み、図５に示す
ように型枠装置内４に長尺ボルト８を突出させ、該長尺
ボルト８に吊り上げ反転穴形成部材５を被せて配置して
いた。However, there have been the following problems in the prior art. That is, as understood from FIG. 6, outside the outer mold 6 of the mold device 4,
A long nut 7 provided with a female screw hole is fixed so as to communicate with the drilled through hole, and a long bolt 8 is screwed into the female screw hole in the long nut 7 from the outside, as shown in FIG. The long bolt 8 is protruded into the inside of the formwork device 4 as described above, and the long bolt 8 is placed with the lifting inverted hole forming member 5 covered.

【００１２】しかしながら、このように設置するのは現
場の作業者にとってはきわめて面倒で、手間のかかる作
業でもあった。すなわち、型枠装置の成型時に、長尺ボ
ルト８をいちいち捻って前記長尺ナット７の雌ねじ孔に
螺挿させ、かつ型枠内に突出させなければならないと共
に、コンクリートの固化後においても、いちいち長尺ボ
ルト８を捻って外型枠の長尺ナット７から外さなければ
ならなかったからである。However, such installation is extremely troublesome and troublesome for a worker on site. That is, at the time of molding the formwork device, the long bolt 8 must be twisted and screwed into the female screw hole of the long nut 7 and projected into the formwork, and even after the concrete is solidified. This is because the long bolt 8 had to be twisted and removed from the long nut 7 of the outer mold.

【００１３】かくして、本発明は上記課題を解決するた
めに創案されたものであり、吊上げ反転穴形成部材の型
枠内への設置が簡単、迅速に行え、しかも施工性に優
れ、良質のコンクリート製Ｕ字溝を提供できる型枠装置
を提供することを目的とするものである。Thus, the present invention has been made in order to solve the above-mentioned problem, and the installation of the lifting inverted hole forming member in the mold can be performed easily and quickly, and the workability is excellent and the concrete of good quality is provided. It is an object of the present invention to provide a formwork device capable of providing a U-shaped groove.

【００１４】[0014]

【課題を解決するための手段】本発明にかかる型枠装置
は、略矩形山状をなす内型枠と、該内型枠と所定の間隔
をおいて設置された板状をなす一対の外型枠と、該外型
枠の略中央位置に穿設された透孔と、外型枠の外側に、
前記透孔とナット内の雌ねじ孔を連通させて固着した長
尺ナットと、を有する型枠装置において、前記外型枠内
側から外型枠の透孔に嵌まり込み、型枠装置内部に向け
て先細り状態のテーパを有する突出被嵌体を備えた可撓
性部材からなる保持部と、該保持部を貫挿し、前記透孔
及び長尺ナットの雌ねじ孔内を挿通して長尺ナットの外
側に先端部が突き出る貫通杆と、該貫通杆の先端部に螺
刻された雄ねじ部に螺挿して前記保持部を外型枠に固着
するナット部材とを、備えたことを特徴とする。SUMMARY OF THE INVENTION A formwork apparatus according to the present invention comprises an inner formwork having a substantially rectangular mountain shape, and a pair of plate-like outer forms provided at a predetermined distance from the inner formwork. Formwork, a through-hole formed at a substantially central position of the outer formwork, outside the outer formwork,
In a formwork device having a through-hole and a long nut fixedly connected with a female screw hole in the nut, the formwork fits into the through-hole of the outer formwork from the inside of the outer formwork and is directed toward the inside of the formwork device. A holding portion made of a flexible member having a protruding fitting body having a tapered state in a tapered state, and a penetrating through the holding portion, and passing through the through hole and the female screw hole of the long nut to form a long nut. A penetrating rod having a distal end protruding outwardly, and a nut member screwed into a male screw threaded at the distal end of the penetrating rod to fix the holding portion to the outer mold frame are provided.

【００１５】[0015]

【発明の実施の態様】以下本発明にかかる型枠装置を図
に示す実施の態様に従って説明する。図において符号９
は内型枠を示す。該内型枠９は図４乃至図６に示すよう
に従来同様略矩形の山状をなして形成されている。そし
て通常、当該内型枠９は底型枠と略直角に接続されてい
る。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a formwork apparatus according to the present invention. In FIG.
Indicates an inner mold. As shown in FIGS. 4 to 6, the inner frame 9 is formed in a substantially rectangular mountain shape as in the related art. Usually, the inner mold 9 is connected substantially at right angles to the bottom mold.

【００１６】次に符号６は外型枠を示す。該外型枠６は
前記内型枠９と所定の間隔を置いて一対設置され、その
形状は平板状をなすと共に、上端部は各々内側に折曲さ
れて構成されている（図４乃至図６参照）。図３におい
て、符号５は吊上げ反転形成部材を示す。該吊上げ反転
形成部材５は、通常は金属製のパイプより形成された穴
形成部１０と、この穴形成部１０の外周長手方向略中間
位置に略直角方向に張り出すリング状のアンカー部１１
とを備えている。Next, reference numeral 6 denotes an outer frame. The outer mold frame 6 is installed in a pair at a predetermined interval from the inner mold frame 9 and has a flat plate shape, and upper ends thereof are each bent inward (FIGS. 4 to 4). 6). In FIG. 3, reference numeral 5 denotes a lifting reversal forming member. The lifting inversion forming member 5 includes a hole forming portion 10 which is usually formed of a metal pipe, and a ring-shaped anchor portion 11 which projects substantially perpendicularly to a substantially middle position in the outer peripheral longitudinal direction of the hole forming portion 10.
And

【００１７】また符号１２はキャップ部材を示す。該キ
ャップ部材１２は、プラスチック部材等の可撓性部材か
ら構成され、その一端は閉塞され、他端は開口された略
円筒状をなして形成されている。そして該キャップ部材
１２の内径は前記穴形成部１０の外形が嵌まり合う内径
とされている。また、この嵌まり合いの幅は調整できる
よう構成されている。Reference numeral 12 denotes a cap member. The cap member 12 is formed of a flexible member such as a plastic member, and has a substantially cylindrical shape having one end closed and the other end opened. The inner diameter of the cap member 12 is set to the inner diameter to which the outer shape of the hole forming portion 10 fits. Further, the width of the fitting is configured to be adjustable.

【００１８】ここで、本発明によるＵ字溝１の製造方法
につき説明する。先ず図４に示すように、一対の外型枠
６、６の所定位置（製造されるＵ字溝の重心位置となる
箇所）には、あらかじめ透孔１３、１３が穿設されてい
ると共に、その透孔１３、１３と雌ねじ部が連通するよ
うに外型枠６、６の外側に長尺ナット７が固着されてい
る。Here, a method of manufacturing the U-shaped groove 1 according to the present invention will be described. First, as shown in FIG. 4, through holes 13, 13 are preliminarily formed at predetermined positions of the pair of outer mold frames 6, 6 (locations that become the centers of gravity of the U-shaped grooves to be manufactured). A long nut 7 is fixed to the outside of the outer mold frames 6, 6 so that the through holes 13, 13 communicate with the female screw portion.

【００１９】しかるに従来は図４から理解されるよう
に、長尺ボルト８、８の先端側を前記長尺ナット７、７
の雌ねじ部及び外型枠６、６の透孔１３、１３に挿通
し、長尺ナット７、７の雌ねじ部に螺挿させつつ型枠内
に長尺ボルト８、８を突設させていた。そして、型枠内
に突設させた長尺ボルト８、８の先端側から吊上げ反転
形成部材５、５を各々差し込んでいた（図５参照）。Conventionally, as can be understood from FIG. 4, the distal ends of the long bolts 8, 8 are connected to the long nuts 7, 7, respectively.
And the long bolts 8, 8 are projected into the mold while being inserted into the female threads of the long nuts 7, 7 and the through holes 13, 13 of the outer mold frames 6, 6. . Then, the lifting reversal forming members 5 and 5 were inserted from the distal ends of the long bolts 8 and 8 protruding into the formwork (see FIG. 5).

【００２０】しかし、従来、長尺ボルト８、８の先端側
を前記長尺ナット７、７の雌ねじ部及び外型枠６、６の
透孔１３、１３に挿通し、長尺ナット７、７の雌ねじ部
に螺挿させつつ型枠内に長尺ボルト８、８を突設させる
のは、前記したように、ねじ込みについて時間を要する
手間となり、特に建築現場でのねじ螺挿作業は面倒でい
やがられていた。However, conventionally, the distal ends of the long bolts 8, 8 are inserted into the female threads of the long nuts 7, 7 and the through holes 13, 13 of the outer mold frames 6, 6, and the long nuts 7, 7 are inserted. Protruding the long bolts 8 and 8 into the formwork while screwing the female screw portions of the above into the formwork is time-consuming and troublesome for screwing in, as described above. I was being hurt.

【００２１】本発明はこの点を解消した。すなわち、図
１に示すように、外型枠６の内側から外型枠６の透孔１
３に嵌まり込み、型枠内部に向けて先細り状態のテーパ
１４を有する突出被嵌体１５を備えた保持部１６を用意
した。図１から理解されるように、該保持部１６は透孔
１３内に嵌まる嵌まり体１７と、嵌まり体１７の一端側
から外側に張り出し外型枠６の内壁に係止する張り出し
片１８とからなる保持体１９と、該保持体１９に密接す
る突出被嵌体１５とにより構成されている。The present invention has solved this problem. That is, as shown in FIG.
3 and a holding portion 16 provided with a protruding fitting body 15 having a taper 14 tapered toward the inside of the mold. As can be understood from FIG. 1, the holding portion 16 includes a fitting member 17 that fits into the through hole 13, and a projecting piece that projects outward from one end of the fitting member 17 and engages with the inner wall of the outer mold frame 6. And a projecting fitting body 15 that is in close contact with the supporting body 19.

【００２２】図１の実施例では保持体１９と突出被嵌体
１５とは別体で形成され、通常保持体１９は金属部材
で、突出被嵌体１５は柔軟性を有する樹脂部材で形成さ
れている。尚、図２に示すように、保持体１９及び突出
被嵌体１５、すなわち保持部１６全体をプラスチック部
材などの樹脂部材で形成しても構わないものである。In the embodiment shown in FIG. 1, the holder 19 and the projecting fitting 15 are formed separately from each other. Usually, the holder 19 is formed of a metal member, and the projecting fitting 15 is formed of a flexible resin member. ing. Note that, as shown in FIG. 2, the holding body 19 and the protruding fitting body 15, that is, the entire holding portion 16 may be formed of a resin member such as a plastic member.

【００２３】次に、符号２０は貫通杆を示し、保持部１
６を貫挿し、外型枠６の透孔１３及び高ナット７の雌ね
じ部内を通過して長尺ナット７の外側に雄ねじ状の先端
部２１が突出し、この先端部２１に２つのナット部材２
２、２２が螺挿して保持部１６を外型枠６の内側に突出
固定している。外型枠６の内側に突出固定した保持部１
６，特に突出被嵌体１５に円筒パイプ状をなす吊り上げ
反転穴形成部材５の一端を嵌め込む（図１参照）。Next, reference numeral 20 denotes a penetrating rod,
6 through the through-hole 13 of the outer mold frame 6 and the female screw portion of the high nut 7, and a male screw-shaped tip 21 protrudes outside the long nut 7.
2 and 22 are screwed in to fix the holding portion 16 to the inside of the outer mold frame 6. Holding part 1 projected and fixed inside the outer formwork 6
6. In particular, one end of the lifting inverted hole forming member 5 having a cylindrical pipe shape is fitted into the projecting fitted body 15 (see FIG. 1).

【００２４】この際、一端側にはプラスチック部材等の
可撓性部材で形成されたキャップ状をなすカーバー部材
２３が取り付けられており、該カバー部材２３を被せる
ことにより、コンクリートを型枠内に充填する際、この
箇所からコンクリートが高ナット７の雌ねじ部内に侵入
することがない。しかして、嵌め込んだ後は外型枠６を
図３に示すように立設する。すると、吊り上げ反転穴形
成部材５の他端側に嵌め込んであるキャップ部材１２が
内型枠９の壁面に当接し、吊り上げ反転穴形成部材５は
この内型枠９の壁面と突出被嵌体１５とで型枠内で保持
されるものとなる。At this time, a cap-shaped carber member 23 made of a flexible member such as a plastic member is attached to one end side, and the concrete is placed in the formwork by covering the cover member 23. At the time of filling, concrete does not enter the female screw portion of the high nut 7 from this location. After the fitting, the outer frame 6 is erected as shown in FIG. Then, the cap member 12 fitted on the other end side of the lifting inverted hole forming member 5 comes into contact with the wall surface of the inner mold frame 9, and the lifting inverted hole forming member 5 is brought into contact with the wall surface of the inner mold frame 9 and the projecting fitting object. 15 and are held in the mold.

【００２５】この状態からコンクリートを充填し、吊り
上げ反転穴付きＵ字溝１を作る。しかして、コンクリー
トが固化した後、型枠を脱型する。この脱型は外型枠６
を外側に拡開することにより行う。ところで、従来は、
長尺ナット７にねじ込んだ長尺ボルト８を高速で捻り、
抜出しなければ脱型出来ず、これがまた作業の手間を増
加させていた。In this state, concrete is filled to form a U-shaped groove 1 with a lifting inverted hole. After the concrete is solidified, the mold is released. This demolding is performed on the outer form 6
Is performed by expanding the outside. By the way, conventionally,
Twist the long bolt 8 screwed into the long nut 7 at high speed,
Without removal, the mold could not be removed, which again increased the labor of the work.

【００２６】しかし、本発明ではこのようなボルトをね
じって抜く作業は全くない。外型枠９を外側に拡開する
だけで突出被嵌体１５は簡単に吊り上げ反転穴形成部材
５からとれるものとなる。そして、突出被嵌体１５を有
する保持部１６は一回外型枠６に固定すれば、その後着
脱する必要は全くない。However, in the present invention, there is no work of twisting and removing such a bolt. The projecting fitting 15 can be easily lifted and removed from the inverted hole forming member 5 simply by expanding the outer mold frame 9 outward. Then, once the holding portion 16 having the projecting fitting body 15 is fixed to the outer mold frame 6 once, there is no need to attach or detach it thereafter.

【００２７】そのまま型枠を組んで次のＵ字溝作製に使
用できるのである。The mold can be assembled as it is and used for the next U-shaped groove production.

【００２８】[0028]

【発明の効果】本発明は以上の構成よりなる。そして、
本発明に係る型枠装置によれば、吊上げ反転穴形成部材
の型枠内への設置が簡単、迅速に行え、しかも施工性に
優れ、良質のコンクリート製Ｕ字溝を提供できるThe present invention has the above configuration. And
ADVANTAGE OF THE INVENTION According to the formwork apparatus which concerns on this invention, the installation of the lift reversal hole forming member in a formwork can be performed simply and quickly, and also it is excellent in workability, and can provide a high quality concrete U-shaped groove.

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

【図１】本発明による型枠装置の使用状態（その１）を
示す概略断面図である。FIG. 1 is a schematic sectional view showing a use state (No. 1) of a formwork device according to the present invention.

【図２】保持部の他の実施例を示す概略断面図である。FIG. 2 is a schematic cross-sectional view showing another embodiment of the holding unit.

【図３】本発明による型枠装置の使用状態（その２）を
示す概略断面図である。FIG. 3 is a schematic sectional view showing a use state (No. 2) of the formwork device according to the present invention.

【図４】吊り上げ反転穴付きＵ字溝用型枠装置の使用状
態（その１）を示す概略断面図である。FIG. 4 is a schematic sectional view showing a use state (No. 1) of a form device for a U-shaped groove with a lifting inverted hole.

【図５】吊り上げ反転穴付きＵ字溝用型枠装置の使用状
態（その２）を示す概略断面図である。FIG. 5 is a schematic cross-sectional view showing a use state (No. 2) of a form device for a U-shaped groove with a lifting inverted hole.

【図６】吊り上げ反転穴付きＵ字溝用型枠装置の使用状
態（その３）を示す概略断面図である。FIG. 6 is a schematic sectional view showing a use state (No. 3) of a form device for a U-shaped groove with a lifting inverted hole.

【図７】吊り上げ反転穴付きＵ字溝を示す構成説明図で
ある。FIG. 7 is a configuration explanatory view showing a U-shaped groove with a lifting inverted hole.

【符号の説明】[Explanation of symbols]

１ Ｕ字溝 ２ 側壁 ３ 吊り上げ反転穴 ４ 型枠装置 ５ 吊り上げ反転穴形成部材 ６ 外型枠 ７ 長尺ナット ８ 長尺ボルト ９ 内型枠 １０ 穴形成部 １１ アンカー部 １２ キャップ部材 １３ 透孔 DESCRIPTION OF SYMBOLS 1 U-shaped groove 2 Side wall 3 Lifting reversing hole 4 Forming device 5 Lifting reversing hole forming member 6 Outer frame 7 Long nut 8 Long bolt 9 Inner frame 10 Hole forming portion 11 Anchor portion 12 Cap member 13 Through hole

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】 略矩形山状をなす内型枠と、該内型枠と
所定の間隔をおいて設置された板状をなす一対の外型枠
と、 該外型枠の略中央位置に穿設された透孔と、 外型枠の外側に、前記透孔とナット内の雌ねじ孔を連通
させて固着した長尺ナットと、 を有する型枠装置において、 前記外型枠内側から外型枠の透孔に嵌まり込み、型枠装
置内部に向けて先細り状態のテーパを有する突出被嵌体
を備えた可撓性部材からなる保持部と、該保持部を貫挿
し、前記透孔及び長尺ナットの雌ねじ孔内を挿通して長
尺ナットの外側に先端部が突き出る貫通杆と、 該貫通杆の先端部に螺刻された雄ねじ部に螺挿して前記
保持部を外型枠に固着するナット部材とを、備えたこと
を特徴とする型枠装置。1. An inner mold having a substantially rectangular mountain shape, a pair of outer molds having a plate shape installed at a predetermined distance from the inner mold, and a substantially central position of the outer mold. A perforated hole, and a long nut fixed to the outside of the outer mold by connecting the through-hole and a female screw hole in the nut to the outside of the outer mold. A holding portion formed of a flexible member having a protruding fitting body having a tapered tapered state toward the inside of the form device, which is fitted into the through hole of the frame, and the holding portion is inserted therethrough; A penetrating rod whose distal end protrudes outside of the elongated nut by passing through the female screw hole of the elongated nut, and the holding portion is screwed into a male thread portion threaded at the distal end of the penetrating rod to form the holding portion into an outer mold frame. A formwork device comprising: a nut member to be fixed.