JPH0633128Y2 - Construction sheet - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] At construction sites such as construction sites, it is hung outside the scaffolding plate to prevent paint scattering during painting, dust prevention, and other parts.
The present invention relates to a construction sheet for preventing a danger to passers-by due to a member falling.

[Conventional technology]

This type of conventional construction sheet uses filament raw warp (1
2), a weft yarn (13) having a net-like composition was used, but the filament raw yarn has a circular cross-sectional shape as shown in FIG. 10, or is not shown. It had an elliptical shape. These publicly known construction sheets have the drawbacks of low strength and air permeability but low shielding properties. Moreover, the warp and weft yarns move, the net-like mesh is deformed, the size of the mesh is likely to be large, the appearance is not good, and a defective product is produced.

[Problems to be solved by the device]

The present invention can improve the shielding property while maintaining the strength within the standard without changing the density of the filament raw yarns, that is, the warp yarns and the weft yarns of the above-mentioned known construction sheet. Since the warp and weft do not move and the net-like mesh is not deformed and the mesh does not change in size, it is intended to provide a good-quality construction sheet with a uniform mesh size and good appearance. is there.

[Means for Solving the Problems]

In order to achieve the above object, in the present invention, the filament yarn of the sheet composed of the net, that is, the warp and the weft of the sheet, has a cross-sectional shape of which the base is integrally formed, and three or more pieces projecting in different directions from the base are formed. It is a construction sheet formed by projecting pieces. In addition, the base portion is integrally formed, and the filament raw yarn formed by three or more projecting pieces projecting in different directions on the base portion, that is, the warp and the weft of the sheet are formed in a Y shape or an X shape by each projecting piece. You can think of what you did.

[Action]

The filament raw yarn, that is, the warp yarn (2) and the weft yarn (3) of the sheet (1) composed in a net-like manner as described above have a cross-sectional shape of
(5) (6) (7) or (8) (9) (10) (11) with three or more projecting pieces that are formed integrally with the base (4) and project in different directions from the base (4).
When the work sheet (1) is composed of the warp (2) and the weft (3), the protrusions (6), (7), or (8) ( As shown in FIG. 4, FIG. 5, FIG. 8 or FIG. 9, 10), (9) and (11) are pressed in such a direction that the expansion angle becomes small, that is, they are pressed so as to contact each other (2),
The width of the weft thread (3) is increased by P, and a net-like construction sheet having the same density as the warp thread (12) and the weft thread (13) of the known construction sheet as shown in FIG. 10 is formed. In this case, while maintaining the same strength as the conventional construction net,
(2) The spacing between (2) and the spacing between the wefts (3) and (3) are shown in Fig. 10 of the conventional example.
From (R) to (Q) as shown in FIGS. 5 and 9 of the present invention, the mesh size is reduced accordingly.

Further, since the warp threads (2) and the weft threads (3) of the composed sheet (1) are in close contact with each other in an elastic pressure state, they retain a proper mesh having a desired shape and size without moving due to frictional resistance.

〔Example〕

First Embodiment ... FIGS. 2 to 5 show the first embodiment, in which the filament yarns, that is, the warp yarns (2) and the weft yarns (3) are composed and shown in FIG. The mesh-like construction sheet (1) is formed. (14) is an edge sheet, (15) is an eyelet hole, and (16) is a sewing thread.

The above embodiment is an embodiment in which the filament raw yarn, that is, the warp yarn (2) and / or the weft yarn (3) has a Y-shaped cross-sectional shape, and (5), (6) and (7) are protrusions. The base portion (4) is integrally formed, and the tips (5a) (6a) (7a) thereof project in three different directions.

Second embodiment: Figs. 1 and 6 to 9 show a second embodiment in which filament filaments, that is, warp yarns (2) and weft yarns (3) are composed and shown in Fig. 1. Forming the mesh-like sheet (1) as shown is the same as in the first embodiment.

The above embodiment is an embodiment in which the filament raw yarn, that is, the warp yarn (2) and / or the weft yarn (3) has an X-shaped cross-sectional shape, and (8) (9) (10) (11) is a protrusion piece. The base portion (4) is integrally formed, and the tips (8a) (9a) (10a) (11
a) projects in different directions.

Throughout the first and second embodiments, the material used is a material having flexibility and appropriate elasticity like a synthetic resin. The composition includes weaving and knitting.

[Effect of device]

As described above, the present invention has the density of filament yarns of known construction sheets, that is, the density between warps, the density between wefts,
It is possible to enhance the shielding property without changing the density between the warp and weft, thus maintaining the strength within the standard, and there is no movement of the warp and weft, and there is no deformation of the net-like mesh so that the mesh The size of the mesh is uniform,
There is an effect that it is possible to provide a good-quality construction sheet having a good appearance.

[Brief description of drawings]

1 to 9 show an embodiment of the present invention. FIG. 1 is a front view of a part of a construction sheet formed according to the present invention, and FIG. 2 is a first embodiment. Fig. 3 is a side view of a part of the filament raw yarn of Fig. 3, Fig. 3 is a longitudinal sectional view of Fig. 2 XX ',
FIG. 4 is a longitudinal cross-sectional view showing the state of the filament raw yarn of the first embodiment at the time of composition, and FIG. 5 is a partial cross-sectional view of the filament raw yarn of the first embodiment formed as warp and weft. FIG. 6 is a side view of a part of filament raw yarn of the second embodiment,
6 is a sectional view taken along line YY 'of FIG. 6, FIG. 8 is a longitudinal sectional view showing the state of filament raw yarn of the second embodiment at the time of composition, and FIG. 9 is the filament raw yarn of the second embodiment. FIG. 10 is a partial cross-sectional view of a composition sheet formed with a yarn, and FIG. 10 is a partial cross-sectional view of a construction sheet formed with a known filament raw yarn. (1) ... sheet, (2) (3) ... filament raw yarn, (4) ... protrusion base, (5) (6) (7) ... protrusion, (8) (9) (10) (11) )… Protrusion.

Claims (3)

[Scope of utility model registration request] 1. A construction sheet having a base portion integrally formed with a filament raw yarn having a net-like composition and having three or more projecting pieces protruding in different directions from the base portion. 2. The construction sheet according to claim 1, wherein the base part is integrally formed, and three or more projecting pieces projecting from the base part in different directions are formed in a Y shape. 3. The construction sheet according to claim 1, wherein the base is integrally formed, and three or more projecting pieces projecting in different directions from the base are formed in an X shape.