JP4566762B2 - Cap for hollow form panel and hollow form panel with cap - Google Patents

Description

  The present invention relates to a cap for a hollow mold panel and a hollow mold panel with a cap for sealing an open end surface of the hollow mold panel.

A plastic hollow form panel has been proposed as a concrete placement form panel that is lightweight, has good workability, and can be recycled (see, for example, Patent Document 1).
However, there has been a problem in that concrete flows into the hollow form panel from the open end face of the upper end of the hollow form panel when the concrete is placed after a plurality of hollow form panels are installed.
When concrete flows into the hollow form panel, not only does the hollow form panel become heavy, but also a problem arises in that the hardened concrete becomes an obstacle when performing nailing or cutting. In addition, there is a problem that the hollow form panel into which the concrete flows is difficult to recycle.

In order to prevent the concrete from flowing into the hollow form panel, a cap is attached to the open end face of the upper end of the hollow form panel (for example, see Patent Document 2).
JP-A-7-207930 JP 2002-206338 A

By the way, when the hollow form panel is stacked and built in the vertical direction, the long form is formed along the back surface of the stacked hollow form panel so that the hollow form panel does not shift due to the pressure of the concrete at the time of placing the concrete. Vertical strips are arranged. However, when the cap is attached to the opening end face at the upper end of the hollow form panel, there is a problem that the vertical member cannot be disposed along the back face of the hollow form panel due to the cap.
Therefore, an object of the present invention is to prevent the inflow of concrete into the hollow form panel, and to provide a hollow form panel cap and a cap with which a vertically long member can be easily disposed along the back surface of the hollow form panel. The object is to provide a hollow form panel.

  The cap for a hollow form panel of the present invention has a hollow dam plate portion whose one surface is a concrete placement surface, and a plurality of hollow pier portions provided on the back surface of the concrete placement surface of the dam plate portion. A substantially flat cap that is attached to the hollow form panel and seals the opening end face of the hollow form panel, and a vertical strip member disposed along the back surface of the dam plate portion of the hollow form panel. A cut-out guide for providing a cut-out portion to be passed is formed in a portion other than the sealing portion that seals the open end surface of the hollow frame panel.

The cap for a hollow form panel of the present invention is preferably provided with a contact rib that comes into contact with the back surface of the weir plate part and / or the surface of the crosspiece part of the hollow form panel.
Moreover, it is desirable to provide a fitting convex part that fits into the hollow part of the crosspiece part of the hollow form panel.

  The hollow frame panel with a cap of the present invention has a hollow dam plate portion whose one surface is a concrete placement surface, and a plurality of hollow pier portions provided on the back surface of the concrete placement surface of the dam plate portion. It comprises a hollow form panel, and a cap for a hollow form panel of the present invention attached to the open end face of the hollow form panel.

The cap for a hollow mold panel of the present invention can prevent the inflow of concrete into the hollow mold panel and can easily arrange a vertical strip along the back surface of the hollow mold panel.
Moreover, if the contact rib which contacts the back surface of the dam plate part of the hollow form panel and the surface of the crosspiece part is provided, it can be securely attached to the hollow form panel without lateral displacement.
Moreover, if the fitting convex part fitted to the hollow part of the crosspiece part of a hollow mold panel is provided, it can attach to a hollow mold panel reliably without a horizontal shift.
Moreover, the hollow form panel with a cap of the present invention does not allow the concrete to flow into the hollow form panel, and can arrange a vertical strip along the back surface of the hollow form panel.

The present invention will be described in detail below.
FIG. 1 is a view showing an example of a hollow mold panel with a cap according to the present invention. The hollow mold panel with a cap is a hollow mold panel 10 and a hollow attached to the open end face of the hollow mold panel 10. A form panel panel cap 20 is provided and is generally configured.

  The hollow form panel 10 includes a dam plate portion 12 having one surface serving as a concrete placement surface 11 and six pedestal portions provided on the back surface 13 of the concrete placement surface 11 of the dam plate portion 12 in parallel at equal intervals. 14, 14... The barrier plate 12 and the pier 14 are formed by integrally forming two plates 15 and 15 and a plurality of long reinforcing ribs 16 that connect the plates 15 and extend in the vertical direction. And having a plurality of hollow portions partitioned by the reinforcing ribs 16.

  2 is a top view of the hollow form panel cap 20 of FIG. 1, and FIG. 3 is a bottom view of the hollow form panel cap 20 of FIG. The hollow mold panel cap 20 seals the open end face of the hollow mold panel 10, and includes a flat plate 21 and a barrier plate portion 12 of the hollow mold panel 10 provided on the back surface of the flat plate 21. Contact ribs 22, 22... That are in contact with the back surface 13 and the surface of the pier 14, and fitting protrusions 23, 23 that are provided on the back surface of the flat plate and fit into the hollow portion of the pier 14. , And finger touch prevention ribs 24 provided on the back surface of the flat plate so as to be spaced apart from and parallel to the crosspieces 14 on both sides of the hollow form panel 10. It is what is done.

The flat plate 21 has the same length in the width direction as the sum of the width of the bridge portion 14 and the thickness of the dam plate portion 12 so as to cover the entire open end surface of the hollow form panel 10, and the length in the longitudinal direction is the dam. The width of the plate portion 12 is the same.
In addition, a U-shaped cutting guide 25 for providing a notch for passing a vertical strip disposed along the back surface 13 of the dam plate 12 of the hollow mold panel 10 is hollow on the surface of the flat plate 21. A portion (non-sealing portion 27) other than the sealing portion 26 that seals the opening end surface of the mold panel 10 (that is, contacts the opening end surface of the barrier plate portion 12 and the opening end surface of the crosspiece portion 14 of the hollow mold panel 10). ).

  The cutting guide 25 is formed such that both ends thereof are opened outward from the side edges of the flat plate 21 in order to facilitate cutting of a region that can be a cutout portion through which the vertical strip material partitioned by the cutting guide 25 passes. In addition, the cutting guide 25 is a cutout portion having a size that allows the vertical strip material to pass through when the cut guide 25 is cut out. It is formed. Therefore, in the case of using a square pipe with a side length of 72 mm as a longitudinal member, a length of one side of the cutting guide 25 is, for example, 72 to 73 mm, and a round pipe with a cross section diameter of 60 mm is used. The length of one side of the cutting guide 25 is 60 to 61 mm, for example.

  The width of the crosspiece 14 is set to be the same as the length (or diameter) of one side of the vertical member. Therefore, if the length of one side of the cutting guide 25 is set to a length in the above range according to the vertical material, a notch portion formed by cutting a part of the non-sealing portion 27 along the cutting guide 25 is formed. The passing vertical member is arranged along (in contact with) the back surface 13 of the barrier plate 12 of the hollow mold panel 10. Moreover, it is preferable that the cutting guide 25 is formed so that the vertical sheet material is also disposed along the pier part 14.

  The cutting guide 25 may be a groove formed on the surface of the flat plate 21 or may be a weakening line that makes it easy to cut a region that can be a notched portion through which a vertical strip passes, and partially the surface of the flat plate 21. May penetrate through the back surface. Further, the cutting guide 25 may be formed only on one side of the flat plate 21 or may be formed on both sides of the flat plate 21. The width of the cutting guide 25 is not particularly limited, but is usually 1 to 3 mm.

  The abutment ribs 22 prevent the lateral displacement of the hollow frame panel cap 20 attached to the hollow frame panel 10. Further, the abutment rib 22 is provided so as to abut against the barrier plate portion 12 and the pier portion 14 and also serves as a positioning when the hollow frame panel cap 20 is attached to the hollow frame panel 10. It is. The abutment ribs 22 sandwich the crosspiece 14 when the hollow frame panel cap 20 is attached to the hollow frame panel 10. Therefore, the crosspiece 14 can be fitted between the two contact ribs 22. The abutment rib 22 is preferably not provided in a region that can be a cut-out portion through which the vertical strip material defined by the cut-out guide 25 passes.

The fitting convex portion 23 prevents lateral displacement of the hollow mold panel cap 20 attached to the hollow mold panel 10, and attaches the hollow mold panel cap 20 to the hollow mold panel 10. It plays a role as positioning at the time.
Further, as shown in FIGS. 4 to 6, the fitting convex portion 23 plays a role as a screw receiver when the hollow mold panel cap 20 is fixed to the hollow mold panel 10 with screws 30 (or nails). . A concave portion 28 is formed in the fitting convex portion 23 so that the screw 30 does not shift laterally.

As shown in FIG. 4, the finger touch prevention rib 24 is provided with screws 30 (or nails) on the crosspiece 14 and the fitting protrusion 23 in order to fix the hollow frame panel cap 20 to the hollow frame panel 10. When penetrating, the tip of the screw 30 is hidden so that the finger does not touch the tip of the screw 30 protruding from the crosspiece 14.
The clearance between the finger touch prevention rib 24 and the pier part 14 may be such that a finger does not enter, and is usually 10 mm or less.

The hollow mold panel cap 20 is manufactured, for example, by injection molding of a plastic material.
Examples of the plastic material include polypropylene, polyethylene terephthalate (PET), polycarbonate, polyvinyl chloride, polyethylene, ABS resin, and nylon. You may mix | blend fillers, such as calcium carbonate, as needed.

The hollow mold panel 10 is manufactured by, for example, extrusion molding of a plastic material.
Examples of the plastic material include polypropylene, polyethylene terephthalate (PET), polycarbonate, polyvinyl chloride, polyethylene, ABS resin, and nylon. You may mix | blend fillers, such as calcium carbonate, as needed.

Next, the installation (building) of the hollow form panel with a cap according to the present invention will be described with reference to FIGS.
A region that can be a cutout portion through which the vertical strip material is passed, which is partitioned by the cutout guide 25 of the hollow form panel cap 20, is cut along the cutout guide 25 to form a cutout portion through which the vertical strip material is passed. . The hollow frame panel cap 20 having a notch through which the vertical strip is passed is attached to the upper and lower ends of the hollow frame panel 10 and fixed with screws if necessary. In this manner, a hollow mold panel with a cap in which the open end of the hollow mold panel 10 is sealed with the cap 20 for the hollow mold panel is produced.

A plurality of hollow form panels with caps are arranged in a row so that the concrete placement surface 11 of the dam plate 12 is in the same plane. Further, a plurality of cap-formed hollow frame panels are stacked thereon so that the concrete placement surface 11 of the dam plate portion 12 becomes the same plane.
Next, the end of a round bar-like separator 42 provided with P-con 41 near both ends is inserted from the concrete placement surface 11 side into the insertion hole 40 formed in the dam plate 12 of the hollow form panel 10. . A fastening fitting 43 is screwed onto the end of the separator 42 protruding from the insertion hole 40 from the outside of the hollow frame panel 10, and the P-con 41 of the separator 42 and the flange 44 at the base end of the fastening fitting 43. The dam plate 12 is sandwiched between them.

  Next, another plurality of hollow frame panels 10 are inserted into the insertion holes 40 so that the concrete placement surface 11 faces the hollow frame panel 10 that has already been built, and the other end of the separator 42 is inserted. While building. A fastening fitting 43 is screwed onto the end of the separator 42 protruding from the insertion hole 40 from the outside of the hollow frame panel 10, and the P-con 41 of the separator 42 and the flange 44 at the base end of the fastening fitting 43. The dam plate 12 is sandwiched between them.

  Next, a vertical strip 45 made of a square pipe is disposed so as to be along the back surface 13 of the dam plate 12 of the hollow frame panel 10 and through a notch formed in the cap 20 for the hollow frame panel. To do. By arranging the vertical sheet members 45, the stacked hollow form panels 10 are prevented from being displaced by the pressure of the concrete when the concrete is placed.

  Further, a pair of horizontal flat members 46 made of square pipes are arranged above and below the fastening bracket 23, and a washer 47 that supports them and a wedge 48 that stops the washer 47, and the horizontal flat member 46 is a vertical flat member 45. And it fixes in the state contact | abutted to the side edge of the crosspiece part 14. FIG. By disposing the horizontal flat member 46, the hollow form panel 10 is prevented from expanding outward due to the pressure of the concrete when the concrete is placed.

  The hollow frame panel cap 20 described above is a substantially flat cap that seals the open end surface of the hollow frame panel 10, and is formed on the back surface 13 of the dam plate 12 of the hollow frame panel 10. Since the cut-out guide 25 for providing the cutout portion through which the vertical strip member 45 arranged along is formed, a region that can be a cutout portion through which the vertical strip member 45 partitioned by the cut-out guide 25 passes is cut out. It can be easily cut along the guide 25, and as a result, the vertical member 45 can be easily disposed along the back surface 13 of the hollow mold panel 10.

  Further, since the cutting guide 25 is formed in the non-sealing portion 27 other than the sealing portion 26 that seals the opening end face of the hollow mold panel 10, the vertical strip member 45 partitioned by the cutting guide 25 is used. Even when a region that can be a notch to be cut is cut, the flow of concrete into the hollow form panel 10 can be prevented. Further, when the vertical member 45 is not arranged, it can be used as a normal hollow form panel cap without cutting a region that can be a notch through which the vertical member 45 partitioned by the cutting guide 25 is passed. When notch is not provided, the non-sealed part 27 is used to nail to the floor pier (the pier for laying and fixing the formwork on the concrete slab), and the formwork panels are connected vertically. It can be nailed or clipped.

  Further, on the surface of the flat plate 21, contact ribs 22 that are in contact with the dam plate portion 12 and the pier portion 14 of the hollow frame panel 10, and a fitting convex portion 23 that is fitted into the hollow portion of the pier portion 14 are provided. Therefore, the opening end face of the hollow mold panel 10 can be sealed without lateral displacement, and the concrete can be reliably prevented from flowing into the hollow mold panel 10.

  In addition, when building a conventional formwork panel, it is necessary to fix the formwork panel to a floor pier that is horizontally fixed to the concrete slab surface, and to the ceiling slab formwork or under-beam formwork. To fix the panels, horizontal piers are attached to the upper and lower ends of the formwork. However, in the hollow form panel in which the dam plate and the vertical pier (the pier part) are integrated as in the present invention, it is necessary to cut off both ends of the vertical pier for the thickness of the horizontal pier to attach the horizontal pier. there were. By using the hollow form panel panel cap 20 of the present invention, the hollow form panel panel can be obtained by simply attaching the cap 20 for the hollow form panel to the opening end surface of the hollow form panel 10 without the need for notching the vertical pier. The cap 20 plays the role of a horizontal crosspiece.

The hollow frame panel cap according to the present invention has a cut-out guide for providing a cutout portion through which a vertical strip is passed, formed in a portion other than the sealing portion that seals the open end surface of the hollow frame panel. However, the present invention is not limited to the illustrated example.
Further, the abutment rib does not necessarily need to be in contact with both the dam plate portion and the pier portion, and may be provided in contact with either the dam plate portion or the pier portion.

Further, the fixing of the hollow frame panel cap 20 to the opening end surface of the hollow frame panel 10 is not limited to the above-described screwing, but is welded by an ultrasonic welder, a high frequency welder or the like, or bonded by an adhesive. You may go by.
The material of the cap for the hollow form panel of the present invention is not limited to plastic, and may be metal, wood, ceramics or the like. However, from the viewpoint of recycling, the same material as the hollow form panel, particularly a plastic material is preferable.

  The cap for a hollow form panel of the present invention overcomes the disadvantage of the hollow form panel that the vertical member cannot be placed if the cap is attached so that concrete does not flow into the hollow form panel. This enhances the practicality of the formwork panel and promotes switching from the conventional plywood formwork panel to the plastic hollow formwork panel.

It is a perspective view which shows an example of the cap for hollow formwork panels of this invention, and the hollow formwork panel to which this is attached. It is a top view of the cap for hollow mold panels of FIG. It is a bottom view of the cap for hollow mold panels of FIG. It is sectional drawing which shows a mode that the cap for hollow formwork panels of FIG. 2 was fixed to the hollow formwork panel with the screw. It is sectional drawing which shows a mode that the cap for hollow formwork panels of FIG. 2 was fixed to the hollow formwork panel with the screw. It is sectional drawing which shows a mode that the cap for hollow formwork panels of FIG. 2 was fixed to the hollow formwork panel with the screw. It is a perspective view which shows an example of the installation form of the hollow form panel with a cap of this invention. It is principal part sectional drawing which shows an example of the attachment state to the hollow form panel of a separator.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Hollow form panel 11 Concrete casting surface 12 Weir board part 13 Back surface 14 Crosspiece part 20 Hollow form panel panel cap 21 Flat plate 22 Contact rib 23 Fitting convex part 25 Cutout guide 26 Sealing part 45 Vertical roof material

Claims (4)

It is attached to a hollow form panel having a hollow dam plate portion whose one surface is a concrete placement surface and a plurality of hollow pier portions provided on the back surface of the concrete placement surface of the dam plate portion. A substantially flat cap that seals the opening end face of the frame panel,
A cut-out guide for providing a notch for passing a vertical strip placed along the back surface of the dam plate portion of the hollow mold panel is provided in a portion other than the sealing portion for sealing the opening end face of the hollow mold panel. A cap for a hollow form panel characterized by being formed.   2. A cap for a hollow form panel according to claim 1, further comprising contact ribs that contact the back surface of the barrier plate and / or the surface of the crosspiece of the hollow form panel.   The cap for a hollow form panel according to claim 1 or 2, wherein a fitting convex part for fitting into a hollow part of a crosspiece part of the hollow form panel is provided. A hollow formwork panel having a hollow dam plate portion whose one surface is a concrete placement surface, and a plurality of hollow pier portions provided on the back surface of the concrete placement surface of the dam plate portion;
A hollow mold panel with a cap, comprising the cap for a hollow mold panel according to any one of claims 1 to 3, which is attached to an open end face of the hollow mold panel.

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