JPH0422700Y2 - - Google Patents

Description

[Detailed explanation of the invention] <<Industrial Application Fields>> This invention relates to bamboo blinds used in place of blinds for large-scale altars and stage curtains.

《Prior Technology》 For example, blinds are most suitable as a shielding member when trying to create a sacred feeling at a large-scale altar, or when trying to make the inside of a stage appear half transparent. .

The use of metal pipes, which can have large spans and are easy to process, is being considered as a component of blinds used for large-scale altars and stages.

[Problem that the invention aims to solve] However, when this blind made of metal pipes is rolled up, lowered, or shaken by wind, the metal pipes come into contact with each other, causing the hollow interior to resonate. As its body produced an extremely loud metallic sound, it was unsuitable for use in altars and stages where silence was required.

This idea was devised in view of the problems mentioned above, and its purpose is to minimize the noise caused by contact between metal pipes, so that blinds made of metal pipes can be used as bamboo blinds for large-scale altars. The purpose is to make it possible to use it in place of a doncho on stage.

<Means for Solving the Problems> In order to achieve the above object, this invention uses a large number of metal pipes arranged in parallel in the horizontal direction, and a large number of spacers for setting the intervals between the pipes in the vertical direction. This blind is made up of alternately arranged pipes and a plurality of wires that vertically pass through and connect the spacers, and is characterized in that the hollow interior of the metal pipe is filled with foamed resin.

<<Example>> Hereinafter, an example of this invention will be described in detail using the drawings.

Figures 1 and 2 show the application of this invention to the blinds of an altar, with Figure 1 being a front view and Figure 2 being a sectional view.

In the figure, an altar is set up in the inner part surrounded by the left and right side walls 2 and the ceiling 3 at a higher position on the floor 1, and the front opening of the altar is covered by blinds 4 which can be opened and closed.

The blind 4 is wound onto a winding shaft 5 provided behind the ceiling 3 and is rewound. Further, both left and right edges of the blind 4 are guided by guide rails 6 fixed along the vertical direction of the left and right side walls 2.

The blinds 4 are constructed by passing through a large number of metal pipes 41 extending in the frontage direction (horizontal direction) of the opening and connecting them with a plurality of wires 42 suspended in the height direction (vertical direction). As shown enlarged in the figure, a pipe-shaped spacer 43 for setting a constant interval between each pipe 41 is passed through the end of each metal pipe 41 through which the wire 42 is inserted. They are connected vertically at predetermined intervals. Further, a lower crosspiece 64 formed to have a diameter one step larger than each of the pipes 41 is arranged at the lowermost part of the blind 4, and a fixture 65 for fixing the lower end of the wire 42 inside the crosspiece 64. is located.

Further, the hollow interior of this crosspiece 64 is filled with a weight 66 for applying gravity during hanging.

Inside each of the metal pipes 41, a foamed plastic 45 such as foamed urethane is provided.
is filled.

Note that this processing method involves injecting a foaming resin liquid into the pipe 41 cut to a predetermined size with both ends closed, causing the pipe to foam, and after foaming is completed, forming a wire insertion hole 41a at a predetermined position. Crosspiece 64
Pass the wire 42 through the spacer 43 and the pipe 41 in this order. Furthermore, by fixing the upper end of the wire 42 to the shaft 5, the blind 4 is completed.

In the above configuration, the blinds 4 are rolled up,
Alternatively, during unwinding, the pipes 41 and spacers 43 come into contact with each other, but due to the foamed plastic filling, each pipe 41 does not act as a resonator, and therefore no metallic sound is generated. Therefore, it is possible to maintain quietness when opening and closing.

<<Effects of the invention>> As described in detail in the embodiments above, according to this invention, no noise is generated due to contact between metals when opening and closing blinds using this type of metal pipe.

Therefore, this invention makes it possible to use blinds in places where quietness is required when opening and closing them, such as large-scale altars and stage equipment, and allows for the use of highly designed blinds with a unique metal texture. You will get it.

[Brief explanation of the drawing]

FIG. 1 is a front view showing the case where the blind according to this invention is applied to an altar, FIG. 2 is a sectional view of the same, and FIG. 3 is a partially enlarged sectional view showing the structure of the blind. 4...Sudare, 41...Metal pipe, 45...
Foamed plastics.

Claims (1)

[Scope of utility model registration request] A large number of metal pipes arranged in parallel in the horizontal direction, a large number of spacers for setting the vertical intervals between the pipes, and a plurality of metal pipes that vertically penetrate and connect these alternately arranged pipes and spacers. 1. A blind comprising a wire and a hollow interior of the metal pipe filled with foamed resin.