JPS6313265Y2 - - Google Patents

Description

[Detailed explanation of the invention] (Industrial application field) This invention is for example, when garbage is disposed of in a landfill, it is laid at the bottom of the landfill to block the sewage leaking from the garbage. This invention relates to a connection structure in a water-blocking sheet used for this purpose.

(Prior Art) Conventionally, in a connection structure of water-shielding sheets 1 as shown in FIG. 14, two water-shielding sheets 1 to be joined are
are overlapped at the side edges, and a sheet connecting member 5 provided on the side edges of these two water-blocking sheets 1.
As a result, some sheets were connected to each other at both ends of the overlapping portion 6.

However, the connection structure of this water-blocking sheet 1 is such that each sheet 1 is connected by eyelets 2 and ropes 3 as shown in FIG. 14, and the overlapping portion 6 has a width of about 1.0 m. The overlapping part 6 of the water-blocking sheet 1 laid at the bottom of the landfill
However, the bottom of the landfill was uneven, and as the garbage was dumped several times, the overlapping parts were Each of the water-shielding sheets 1 of No. 6 was gradually shifted, and as a result, dirty water flowed out from the gaps between the water-shielding sheets 1, and complete water-shielding could not be achieved.

Therefore, although the water-shielding sheet 1 is originally used for the purpose of water-shielding, the water-shielding is insufficient at the joints, and as a result, the sheet 1 deteriorates over time.
The problem was that sewage inside the building was leaking out.

(Problems to be Solved by the Invention) This invention attempts to provide a more complete water-blocking structure in the connection structure of the water-blocking sheets 1 that connect the water-blocking sheets 1 and the like.

(Means for solving the problem) This invention was made in view of the above problem, and it includes attaching an auxiliary sheet for watertight sealing to the overlapped portion of two water-shielding sheets, and The auxiliary sheet is sealed by a watertight sealing member provided at the tip thereof, and the watertight sheets are fixed to each other by sheet connecting members at both ends of the overlapping part, and the watertight sealing member attached to the overlapping part is used to seal the auxiliary sheet. By using the auxiliary sheet and the watertight seal member provided at the tip of the auxiliary sheet, the connecting structure can be made into a more complete water-tight structure.

(Example) This invention will be described in detail below according to an example shown in the drawings.

Now, as shown in FIG. 1, FIG. 2, and FIG. 3, in the connection structure of the water-shielding sheet 10 of this embodiment, the overlapping part 21 has a width of about 500 mm at the side end of the water-shielding sheet 10. Sheet connecting members 22 that connect the sheets to each other at both ends of the overlapping portion 21 are provided at the side ends of the water-blocking sheet 10.

As the water-blocking sheet 10, for example, a polyester woven fabric laminated with a vinyl chloride coating is used.

In the sheet connecting member 22, eyelets 11 are attached to the side edge of one water-shielding sheet 10 at equal intervals, and a cover cloth 13 (approximately 10 mm width) is heat-fused to the side edge of the other water-shielding sheet 10. It was installed by
Eyelets 11 are attached to the tip at equal intervals. A locking rope 12 (about 10 mm in diameter) is passed through each of the eyelets 11 facing each other to connect the sheets to each other.

Here, one rope may be alternately passed through the eyelets 11 attached to the side edges of the water-shielding sheet 10 at equal intervals to connect each sheet. In this case, the latching ropes are connected at equal intervals. There is no need to tie each eyelet attached to the grommets, which simplifies the work.

As shown in FIGS. 1 and 2, in the above-described connection structure of the water-shielding sheets 10 in which the side edges of the two water-shielding sheets 10 are overlapped to form a double structure, the two water-shielding sheets 10 An auxiliary sheet 14 for watertight sealing is attached to each overlapping portion 21 of the two.

In other words, the overlapping portion 2 of the two water-blocking sheets 10
An auxiliary sheet 14 with a width of 100 mm made of the same material as the water-shielding sheet 10 is attached to one of the water-shielding sheets 10 in the entire width direction of the water-shielding sheet 10, and a cover sheet 10 mm wide is attached to the other water-shielding sheet 10. A cloth 13 (same material as the water-shielding sheet) is attached to the entire axial direction of the water-shielding sheet 10, and an auxiliary sheet 14 for watertight sealing with a width of 400 mm is heat-fused to the tip of the sheeting cloth along the entire width direction of the sheet. It is attached by.

As shown in Figures 1, 2 and 3 to 6,
Watertight sealing members 15 are provided at the tips of the auxiliary sheets 14 for sealing the auxiliary sheets 14 for watertight sealing attached to the overlapping portions 21 of the two water-shielding sheets 10, respectively. As shown in FIG. 3, the watertight seal member 15 is made of flexible synthetic resin, and the edge of the fitting protrusion 16 of the watertight seal member 15 is attached to the tip of one of the auxiliary sheets 14 for watertight sealing. The portion 16a is fixed to the entire width of the auxiliary sheet 14, and the edge 18a of the fitting groove 18 of the watertight seal member 15 is fixed to the entire width of the auxiliary sheet 14 at the tip of the other watertight sealing auxiliary sheet 14. is fixed to.

As shown in FIG. 3, the fitting protrusion 16 of the watertight seal member 15 has two fold-like detents 17 at the tip thereof, each having a width of about 3 mm. After the fitting protrusion 16 and the fitting groove 18 are fitted together, It is set so that it does not come off.

The fitting groove 18 of the watertight seal member 15 has an opening with a width of approximately 3 mm, and when the fitting protrusion 16 is fitted, the width of the opening 19 widens, and after the two are fitted, they are removed. A locking protrusion 20 having a width of about 2 mm is provided at the end of the fitting groove 18 on the side of the opening 19 for locking the detent 17 of the fitting protrusion 16 so that the lock 17 does not move.

Also, to explain another shape of the watertight seal member, as shown in FIGS.
It is fixed to the tip of an auxiliary sheet 14 for watertight seal attached to each.

The watertight seal member 30 is formed by extruding polyvinyl carbonate resin, and consists of a fitting protrusion piece 31 and a fitting groove piece 36.

As shown in FIGS. 7 and 8, the fitting protrusion piece 3
1 is provided with a fixing groove 32 for fixing the watertight seal auxiliary sheet 14 at its lower part, a fitting protrusion 33 extending in the longitudinal direction at its upper part, and a protrusion 34 extending downward in the longitudinal direction at its outer edge. When the fitting protrusion piece 31 is fitted, the fitting protrusion piece 31 is inserted into the fitting groove piece 3.
It is set so that it does not deviate from 6.

Immediately above the fitting protrusion 33, a groove 35 is formed which extends in the longitudinal direction of the narrow neck.

On the other hand, the fitting groove piece 36 has a fixing groove 37 for fixing the watertight sealing auxiliary sheet 14 at its lower part, and a protrusion 38 extending upward in the longitudinal direction at its upper outer edge.

A fitting groove 39 extending in the longitudinal direction along the outer edge of the projection 38 is connected to the fitting projection 33 of the fitting projection piece 31.
It is formed so that it can be fitted.

A longitudinally extending protrusion 40 is formed on the groove 39 and is adapted to be fixed to the narrow neck groove 35 of the fitting protrusion piece 31.

(Function) Next, the function of the water-blocking sheet connection structure configured as described above will be explained.

Now, FIG. 9 and FIG. 10 show how the water-blocking sheet is used when garbage and the like are dumped into a hole dug in the ground.

In this state, the water-shielding sheets 10 are laid down according to the shape of the hole, and these water-shielding sheets 10
The side edges of the sheets are overlapped, and one side of the overlapping portion 21 is connected by a sheet connecting member 22 provided on the overlapping side edge. That is, as shown in FIG. 11, the eyelets 11 attached to the side edge of one water-shielding sheet 10 at equal intervals and the eyelets 11 of the other water-shielding sheet 10 opposing thereto are connected with the latching rope. Tie together at 12. Next, the auxiliary sheet 14 for watertight sealing attached to the overlapping portion 21 of the water-blocking sheet 10 is sealed. In other words, the fifth
As shown in Figures and Figure 6, one of the auxiliary sheets 1
The fitting protrusion 16 fixed to the tip of the second auxiliary sheet 14 and the fitting groove 18 fixed to the tip of the other auxiliary sheet 14 fit together to seal each auxiliary sheet 14.

Thereafter, as shown in FIG. 11, the other end of the side edge of the overlapping portion 21 is connected by the sheet connecting member 22 as described above to form the connecting structure of the water-blocking sheet 10.

Incidentally, as shown in FIG. 12, the connection structure of the water-blocking sheets may be such that one end of each auxiliary sheet is adhered to a cover cloth. In this case, the manufacturing process of the connection structure of the water-blocking sheets can be a process of attaching each auxiliary sheet to the cover cloth and gluing them to the water-blocking sheet, which makes it possible to eliminate the water-blocking sheet, which is troublesome to handle. Each member can be joined without moving, simplifying the manufacturing process.

In addition, as shown in FIG. 13, the fitting protrusion and fitting groove of the watertight seal member are fitted in advance,
One of the auxiliary sheets may be joined to the overlapping portion of the water-shielding sheets on-site by heat fusing or adhesive.

(Effects of the invention) As detailed above, this invention adds an auxiliary sheet for watertight sealing to the overlapped portion of two water-shielding sheets in the connection structure of water-shielding sheets, and also attaches this auxiliary sheet to the overlapped portion of two water-shielding sheets. Each water-shielding sheet is completely sealed by a water-tight sealing member provided at its tip, and each water-shielding sheet is completely Because they are sealed, even if the bottom of the landfill is uneven or food waste is dumped several times, each water-shielding sheet in the overlapping section will gradually shift, causing each water-shielding sheet to Sewage does not flow out from the gaps, and even if there are irregularities at the bottom of the landfill, it can be completely watertight. Furthermore, since the connection structure of this water-shielding sheet is a completely water-shielding structure, there is no need to increase the width of the overlapping part, and therefore the overlapped part of the water-shielding sheets is reduced compared to conventional ones. It also has other effects such as increasing width.

[Brief explanation of the drawing]

Fig. 1 is a sectional view of an embodiment of the invention, Fig. 2 is a plan view of an embodiment of the invention, Fig. 3 is a perspective view of a watertight seal member of an embodiment of the invention, and Fig. 4 is a diagram of the embodiment of the invention. FIG. 5 is a perspective view showing the fitted state of the watertight seal member of the embodiment of the present invention, FIG. 5 is a sectional view showing the state of the watertight seal member of the embodiment of the present invention before fitting, and FIG. A sectional view showing a state after fitting of the watertight seal member, FIG. 7 is a sectional view showing a state after fitting of another embodiment of the present invention, and FIG. 8 is a sectional view showing a state after fitting of another embodiment of the present invention. 9 is a sectional view showing the state in which the embodiment of the present invention is used, and FIG. 10 is the 9th sectional view showing the previous state.
An enlarged cross-sectional view of the lined portion in the figure, FIG. 11 is a cross-sectional view showing the state before connection of the connection structure of water-shielding sheets according to the embodiment of the present invention, and FIG. 12 is a cross-sectional view showing the state before connection of the water-shielding sheet coupling structure according to the embodiment of the present invention. FIG. 13 is a cross-sectional view showing another state after the structures are connected; FIG.
FIG. 14 is a sectional view showing a conventional water-blocking sheet connection structure. Explanation of the symbols: 10...water-shielding sheet, 14...auxiliary sheet, 15...watertight seal member, 16...fitting protrusion, 18...fitting groove.

Claims (1)

[Scope of utility model registration request] A waterproof sheet connecting structure in which two waterproof sheets to be joined are overlapped at their side ends to form an overlapping portion, and the sheets are connected to each other at both ends of the overlapping portion by sheet connecting members provided on the side edges of the two waterproof sheets, characterized in that an auxiliary sheet for watertight sealing is attached to each of the overlapping portions of the two waterproof sheets, and this auxiliary sheet is sealed by a watertight sealing member provided at its tip.