JPH0739437A - Mattress device - Google Patents

Abstract

PURPOSE:To enable separation by only a process of cutting removal by heating and contracting a second connecting member, one end part of which is connected to the mirror part of an outer packaging body, and engaging the other end part with the outer peripheral edge part of a spring unit. CONSTITUTION:One end part in the cross direction of a connecting member 13 is fixed by sewing or the like. The respective wad 6 and mirror parts 8, 9 are stacked on the upper and lower surfaces of a spring unit 1. A connecting member 13 provided on the mirror parts 8, 9 is heat-contracted to engage the other end part 13b with the upper and lower surface peripheral edge parts of the spring unit 1. A work for connecting and fixing the connecting member to the spring unit 1 can be automated easily and quickly. At the time of throwing away the mattress device, the wad 6 and the outer packaging body 7 can be separated from the spring unit 1 by tearing off the connecting member 13 formed out of a tape-like synthetic resin. A first tube and a second tube which connect the parting areas between the helical line and the frame line of the spring unit 1 to each other are cut off. Thus, the spring unit 1 can be divided into three parts so that at the time of throwing away the mattress device, the spring unit 1 can be easily handled.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mattress device formed by laminating a padding on a spring unit and coating the laminated body with an exterior body.

[0002]

2. Description of the Related Art Generally, a mattress device has a spring unit formed by connecting a large number of coil springs in a matrix, and a padding such as synthetic cotton or urethane foam is laminated on the spring unit. . This laminated body is covered with an exterior body formed of a mirror portion and a town portion.

In the mattress device having such a structure, the padding is connected and fixed to the spring unit with a large number of clips in order to prevent the padding from moving with respect to the spring unit. Further, in order to prevent the outer body from shifting relative to the spring unit, one end is connected and fixed to the inner surface of the mirror portion to provide a flange cloth, and the other end of the flange cloth is provided around the spring unit. Like the padding, the clips are connected and fixed.

With this structure, the padding is prevented from shifting by the clip, and the exterior body is prevented from shifting by the flange cloth. However, the work of connecting the padding to the spring unit with a large number of clips requires a great deal of work, which may lead to a decrease in productivity, and the work of connecting the flange cloth with the spring unit may be required. However, it may take a lot of time and effort.

On the other hand, in the case where the mattress device is damaged due to long-term use and must be discarded, recently, the waste must be collected according to the type of material, or the waste cannot be collected. In many areas, collection systems are used. When disposing of the mattress device in the area where separate collection is performed, the spring unit, which is a metal part, and the padding and the outer casing made of synthetic cotton, etc., must be separately disposed.

In this case, if the padding is connected to the spring unit by a large number of clips, it is not easy to remove the padding from the spring unit, and similarly it is not easy to remove the outer casing from the spring unit. As a result, disassembly work at the time of disposal may take a lot of time.

Further, the spring unit is formed into a rectangular shape by connecting a large number of coil springs with helical wires, and frame lines are connected to the upper and lower peripheral portions of the spring units by clips. Spring units are typically quite large, with length dimensions of about 2 m and width dimensions of about 1 m. Therefore, it may not be easy to handle if you try to handle it as it is at the time of disposal. Moreover, if it is so large, it may not be collected by a normal collection route at the time of disposal, but may be collected by a special route as coarse dust.

[0008]

As described above, in the conventional mattress device, the padding is connected to the spring unit by a large number of clips, and the exterior body is also connected to the spring unit by the clips through the flange cloth. The assembly work may take a lot of work, and it may be difficult to disassemble each material at the time of disposal. Furthermore, the spring unit is rather large and may not be easy to handle at the time of disposal.

The present invention has been made based on the above circumstances, and it is an object of the present invention to connect a padding and an exterior body to a spring unit without using a large number of clips, and furthermore, to the padding and the exterior from the spring unit. It is an object of the present invention to provide a mattress device in which the body can be easily disassembled and the spring unit itself can be disassembled into small pieces.

[0010]

In order to solve the above problems, according to the present invention, a spring unit having an upper surface and a lower surface, which is divided at a midway portion in the longitudinal direction, and a cut portion of this spring unit are disassembledly connected. An exterior body having a first connecting means, a padding laminated on at least an upper surface of the spring unit, a mirror portion covering at least an upper surface of a laminated body of the padding and the spring unit, and a gusset portion covering an outer peripheral surface; The one end in the width direction formed of a heat-shrinkable synthetic resin is connected to the inner surface of the mirror portion and is provided at the outer periphery of the padding, and the other end is the spring unit by being heated and contracted. And second connecting means for engaging with.

[0011]

According to the above construction, the spring unit is the first
Since the second connecting member, which is connected to the mirror portion of the exterior body by heating, causes the second connecting member to contract, and the other end is a spring. By engaging with the outer peripheral edge of the unit, these connecting operations can be performed easily and quickly, and the padding and the outer casing connected to the spring unit by the second connecting member are made of synthetic resin. It can be separated from the spring unit simply by cutting and removing the second connecting member.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 5 show a first embodiment of the present invention. The mattress device shown in FIG.
Have. This spring unit 1 is formed by arranging a large number of coil springs 2 in a matrix and connecting the upper and lower end surfaces of adjacent coil springs 2 with a helical wire 3. A frame line 4 is connected to the upper and lower peripheral portions of the spring unit 1 by a clip 10 as shown in FIG. The spring unit 1 is configured to be disassembled by the first connecting means described later.

A padding 6 formed in a rectangular shape slightly larger than the upper and lower surfaces of the spring unit 1 is laminated on the upper and lower surfaces of the spring unit 1 via sheet-like protective materials 5 such as felt. It is placed. As the padding 6, for example, synthetic cotton is compression-molded into a layer having a predetermined thickness.

The laminated body of the spring unit 1 and the padding 6 is covered with an exterior body 7. The exterior body 7 includes an upper mirror portion 8 and a lower mirror portion 9 which are laminated on the upper and lower surfaces of the spring unit 1, and a gusset portion 11 which covers the outer peripheral surface. The mirror portions 8 and 9 and the gusset portion 11 are composed of a front material 8a, 9a, 11a and a lining material 8b, 9b, 11b.
Sheet-like urethane foams 8c, 9c, 11
c is provided, and these three are integrally quilted. The upper and lower ends of the gusset portion 11 are integrally sewn to the peripheral portions of the upper and lower mirror surfaces 8 and 9 by a tape 12.

The linings 8b and 9b of the mirrors 8 and 9 are
One end 13a in the width direction of the tape-shaped connecting member 13 as the second connecting means, which is made of a relatively soft heat-shrinkable synthetic resin and is bent to have an L-shaped cross section, is formed over the entire circumference. They are connected by means such as adhesion or sewing, in this embodiment, sewing. Vinyl chloride resin, EPT, PETP, cross-linked polyethylene, silicone rubber, etc. are used as the heat-shrinkable resin forming the connecting member 13, and these resins are heat-molded and the molded product is reheated. It uses the phenomenon of trying to return to its original shape.

In the state where the mirror portions 8 and 9 are laminated on the protective material 5, as shown in FIG. 2, one end portion 13a in the width direction of the connecting member 13 is an upper surface of the peripheral portion of the protective material 5 (spring unit 1). The other end portion 13b is in a state of covering the outer peripheral surface of the protective material 5 by being joined to the surface (the surface opposite to the surface joined to).
When the connecting member 13 is heated and contracted in this state,
Since the other end portion 13b covering the outer peripheral surface of the protective member 5 is bent inward, the other end portion 13b comes into pressure contact with the upper and lower peripheral edge portions of the spring unit 1 as shown in FIG.

The gusset portion 11 of the exterior body 7 has its upper and lower end portions formed on the peripheral portions of the respective mirror portions 8 and 9 by the tape 12 after the connecting member 13 is thermally contracted. Sewn on.

The spring unit 1 is constructed as shown in FIG. That is, the helical wire 3 that connects the upper and lower end surfaces of the coil spring is provided along the longitudinal direction of the spring unit 1. The midway portion of the helical wire 3 in the longitudinal direction is divided into two portions, and both ends of the divided portion are inserted into a first tube 21 made of heat-shrinkable resin as shown in FIG. 4 (a). Then, the first tube 21 is connected by being heated and contracted.

The portion of the frame line 4 corresponding to the divided portion of the helical line 3 is also divided. That is, the frame line 4
Is divided at two midway portions along the longitudinal direction of the spring unit 1, and both ends of the divided portion are shown in FIG.
As shown in FIG. 5, the second tube 22 is inserted through a second tube 22 formed of a heat-shrinkable resin, and then the second tube 22 is inserted.
Are connected by heat shrinking.

Since the first tube 21 and the second tube 22 are resin tubes, they can be easily cut. Therefore, if the first tube 21 and the second tube 22 are cut, the spring unit 1 can be divided into three unit parts 1a, 1b, 1c. That is, the first tube 21 and the second tube 22 constitute the above-mentioned first connecting means.

5 (a) to 5 (d) show a manufacturing process of the mattress device having the above structure. FIG. 5A shows a first step, and in this first step, the padding 6 is laminated on the upper and lower surfaces of the spring unit 1 with the protective material 5 interposed therebetween. The spring unit 1 is assembled in advance by a first tube 21 and a second tube 22 so as to be disassembled.

FIG. 5B shows a second step which is performed in parallel with the first step in time, and in this second step, the inner surfaces of the linings 8b and 9b of the upper mirror portion 8 and the lower mirror portion 9 are formed. One end in the width direction of the connecting member 13 is fixed to the peripheral portion by an adhesive or sewing.

In the third step shown in FIG. 5 (c), the upper mirror portion 8 and the lower mirror portion 9 to which the connecting member 13 is fixed are laminated on the padding 6 laminated on the upper and lower surfaces of the spring unit 1. To be done.

The spring unit 1 in which the respective mirror portions 8 and 9 are laminated in the third step is carried into the warm air heating furnace 24 by the conveyor 23 in the fourth step shown in FIG. In the air heating furnace 24, it is heated to 50 to 130 ° C. by warm air. Therefore, the connecting members 13 provided on the inner surfaces of the mirror portions 8 and 9 are thermally contracted, and the other end portions 13 in the width direction thereof are contracted.
a engages with the upper and lower peripheral portions of the spring unit 1.
Thereby, the mirror portions 8 and 9 to which the one end portion 13a of the coupling member 13 is coupled and fixed are fixed to the spring unit 1, and are provided between the mirror portions 8 and 9 and the upper and lower surfaces of the spring unit 1. Each padding 6 is also fixed to the spring unit 1. That is, the laminated body of the spring unit 1, the padding 6 and the mirror portions 8 and 9 is integrally joined.

The first tube 21 and the second tube 22 may be heat-shrinked together with the connecting member 13 without being heat-shrinked in advance. In the fifth step, the outer peripheral surface of the spring unit 1 of the laminated body carried out from the heating furnace 24 is covered with the gusset portion 11, and the upper and lower ends of the gusset portion 11 are then covered with the upper mirror portion 8 and the lower mirror. The mattress device shown in FIG. 1 is manufactured by stitching the periphery of the portion 9 with the tape 12.

According to the mattress device manufactured as described above, the padding 6 and the mirror portions 8 and 9 laminated on the upper and lower surfaces of the spring unit 1 have the connecting members 13 provided on the mirror portions 8 and 9, respectively. It is connected to the spring unit 1 by heat-shrinking and engaging the other end 13b with the upper and lower peripheral edges of the spring unit 1.

That is, the padding 6 and the mirror portions 8 and 9 laminated on the spring unit 1 are not connected to the spring unit 1 by using many clips as in the prior art, but the connecting member 13 is simply contracted by heat. It can be connected and fixed to the spring unit 1. Therefore, the work of connecting and fixing the padding 6 and the mirror portions 8 and 9 to the spring unit 1 can be performed easily and quickly, and without manual work.
It can be automated.

On the other hand, in order to discard the mattress device having the above construction, the spring unit 1 is separated from the padding 6 and the outer casing 7, and when the spring unit 1 is divided, the gusset portion 11 is replaced with the mirror portions 8 and 9. Tape 12 connected to
After removing the gusset portion 11, the other end portion 13b of the connecting member 13 engaged with the spring unit 1 is cut along the width direction with, for example, a cutter, and the connecting member 13 is cut from the cut portion. By tearing the other end 13b of the spring unit 1 in the circumferential direction, the engagement between the connecting member 13 and the spring unit 1 can be released.

Thereby, the padding 5 and the mirror portions 8 and 9 can be separated from the spring unit 1. That is, at the time of disposal, the padding 6 and the outer casing 7 can be separated from the spring unit 1 by a relatively easy work of tearing the connecting member 13 formed of a tape-shaped synthetic resin.

When the padding 6 and the outer casing 7 are separated from the spring unit 1, the first tube 21 and the second tube 21 which connect the dividing points of the helical line 3 and the frame line 4 of the spring unit 1 are connected. -Disconnect the blade 22. As a result, the spring unit 1 can be divided into three,
The handling of the spruing unit 1 at the time of disposal becomes easy.

In the first embodiment, the padding 6 laminated on the upper and lower surfaces of the spring unit 1 via the protective material 5 may be partially adhered together with the protective material 5 by hot melt. Good. As this hot melt, one that cures at a temperature lower than the temperature at which the connecting member 13 contracts, for example, at a temperature of about 50 ° C. is used.

If the filling 6 is adhered to the spring unit 1 by hot melt as described above, the hot melt is hardened and the filling 6 is fixed to the spring unit 1 before the connecting member 13 is thermally contracted. for that reason,
Even if the thermal contraction of the connecting member 13 does not proceed uniformly in the circumferential direction of the spring unit 1, the padding 6 is prevented from shifting on the spring unit 1. Moreover, since the filling and fixing of the filling 6 by the hot melt is partial, the filling 6 can be easily peeled from the spring unit 1 at the time of disassembly.

6 to 9 show a second embodiment of the present invention. In this embodiment, the structure of the spring unit is different. That is, the spring unit 32 of this embodiment has a plurality of continuous springs 3 elongated along the longitudinal direction thereof.
3 are arranged side by side in the width direction.

The continuous spring 33 has a Z-shaped top surface 34a and a bottom surface 34b. These end surface portions 34a, 34b are arranged with a predetermined pitch offset with respect to the longitudinal direction of the spring unit 32, and one end of the upper end surface portion 34a along the longitudinal direction and one end of the lower end surface portion 34b are continuous to the upper and lower ends of the coil portion 34c. The continuous spring 33 is formed by being formed.

The spring unit 32 has a plurality of midway portions in the longitudinal direction, and in the present embodiment, two midway portions forming the lower end surface portion 34b are cut off at two locations.
That is, the continuous spring 33 is divided into three parts, whereby the spring unit 32 is divided into three unit parts 32a to 32c as shown in FIG.

The plurality of continuous springs 33 arranged in parallel are
The Z-shaped contact portions of the adjacent upper end surface portion 34 a and lower end surface portion 34 b are connected by the helical wire 3. In addition, a frame line 4 for reinforcing the upper and lower surfaces of the spring unit 32 is provided with a clip 3 to reinforce the portion.
They are connected by 5.

The helical wire 3 and the frame line 4 are divided at a portion corresponding to the cut portion of the lower end surface portion 34b, and the first tube 21 and the second tube 21 are separated as in the first embodiment.
It is connected to the bush 22 so that it can be disassembled. Further, the divided portion of the lower end surface portion 34b of the continuous spring 33 is the third tube 2 having the same configuration as the first and second tubes.
It is connected by 6 so that it can be disassembled.

Therefore, even with the spring unit 32 having such a structure, the first to third tubes 2 are formed.
The simple operation of cutting 1, 22, and 26 with a cutter or the like can be disassembled into the three unit parts 32a to 32c.

10 to 12 show a third embodiment of the present invention. This embodiment is the same as the first embodiment in that the spring unit 41 is constructed by arranging the coil springs 2 in a matrix, but the upper and lower end surfaces of the coil springs 2 arranged in parallel are Spring unit 4
They are different in that they are connected by a helical wire 3 provided along the width direction of 1.

The upper and lower end surfaces of the coil spring 2 are joined by two connecting members 42 formed of heat-shrinkable sheets instead of the helical wire 3 at two locations in the longitudinal direction of the spring unit 41.

As shown in FIG. 12, the connecting member 42 is formed at the same pitch as that of the coil spring 2 in which a wide connecting portion 42b is juxtaposed on an elongated strip portion 42a. Then, after the connecting member 42 is provided along the width direction of the spring unit 41, the upper end surface or the lower end surface of the pair of adjacent coil springs 2 is clamped by the connecting portion 42b, and the connecting member 42 is heated in that state. When contracted, the connecting portion 42b contracts as shown in FIG. 11 to join the pair of end faces.

Further, the frame lines 4 provided on the upper and lower peripheral portions of the spring unit 41 are the same as in the first embodiment.
Second tube 22 formed of heat-shrinkable resin
Are connected by.

Therefore, even the spring unit 41 having such a structure can be disassembled into three at the time of disposal, which is convenient for handling. 13 and 14
Shows a modification of the connection structure of the frame lines 4, respectively.

That is, in the fourth embodiment of the present invention shown in FIGS. 13 (a) and 13 (b), the dividing points of the frame line 4 are connected by connecting members 51 instead of the tubes. The connecting tool 51 is formed by bending a plate-shaped metal or synthetic resin having a predetermined width from a middle portion in the width direction to form a curved portion 51a into which the dividing portion of the frame line 4 is inserted and a pair of flat plate portions 51b to be joined. When the flat plate portions 51b are formed and are joined by the screws 52, the dividing points of the frame line 4 can be connected.

With such a structure, the frame line 4 can be disassembled from the cut portion by loosening the screw 52. FIG. 14 shows a fifth embodiment of the present invention. In this embodiment, the frame lines 4 are connected by using the two connecting members 53 in which the two curved portions 53a are formed in the vertical direction. That is, the frame line 4 is attached to the upper curved portion 53a of the one connecting tool 53.
And the both ends of the dividing portion of the frame line 4 are inserted into the upper curved portion 53a of the other coupling tool 53. Then, the end portions of the reinforcing rods 54 are respectively inserted into the curved portions 53a on the lower side of the respective coupling tools 53, and in that state, the flat plate portions 53b to which the respective coupling tools 53 are joined are coupled by the screws 55.

According to this structure, since the connecting portion of the frame line 4 is reinforced by the reinforcing rod 54, the connected state becomes strong, and the screw 55 can be easily disassembled by loosening it.

[0047]

As described above, according to the present invention, the spring unit is disassembled into a plurality of parts by the first connecting means, and a heat-shrinkable synthetic resin is formed around the inner surface of the mirror part constituting the exterior body. The one end in the width direction of the second connecting means formed by the above is connected, and the connecting means is thermally contracted and the other end is engaged with the spring unit, so that the padding laminated on the spring unit and the mirror. The exterior body of which the part forms a part is fixed to the spring unit.

Therefore, the padding and the outer casing can be easily separated from the spring unit, and the spring unit can also be divided into a plurality of pieces. Not only can the work of separately disposing of the spring units be carried out, but also the spring unit can be divided into smaller parts, which makes handling easier.

[Brief description of drawings]

FIG. 1 is a sectional view of a part of a mattress device showing a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of a state before mounting the gusset portion of the exterior body.

FIG. 3 is a plan view of the spring unit.

FIG. 4 is a sectional view of a connection structure of helical lines and frame lines.

FIG. 5 is an explanatory diagram of a manufacturing process of the mattress device.

FIG. 6 is a partial cross-sectional view of the mattress device according to the second embodiment of the present invention.

FIG. 7 is a perspective view of a portion of the spring unit.

FIG. 8 is a plan view of the same.

FIG. 9 is a sectional view taken along line XX of FIG.

FIG. 10 is a plan view of a spring unit showing a third embodiment of the present invention.

FIG. 11 is a partial side view of the same.

FIG. 12 is a plan view of a portion of the connecting member.

FIG. 13A is a perspective view of a connector showing a fourth embodiment of the present invention, and FIG. 13B is a sectional view.

FIG. 14 is a perspective view of a connecting tool showing a fifth embodiment of the present invention.

[Explanation of symbols]

1 ... Spring unit, 6 ... Padding, 7 ... Exterior body,
8, 9 ... Mirror, 11 ... Town, 13 ... Connecting member (second connecting means), 21 ... First tube (first connecting means), 22 ... Second tube (second) 1 connecting means).

Claims (1)

[Claims] 1. A spring unit, which has an upper surface and a lower surface and is divided at a midway portion in the longitudinal direction, a first connecting means which connects the divided portion of the spring unit in a disassembled manner, and is laminated on at least the upper surface of the spring unit. And an outer body having a mirror portion that covers at least the upper surface of the laminated body of the padding and the spring unit and a gusset portion that covers the outer peripheral surface, and one widthwise one end formed of a heat-shrinkable synthetic resin. A second connecting means that is connected to an inner surface of the mirror portion and is provided at an outer peripheral portion of the padding, and that the other end portion engages with the spring unit by being heated and contracted. Characteristic mattress device.