KR980008807U - High strength drainage pipe and its manufacturing apparatus - Google Patents

Abstract

The present invention relates to a product for the external pressure reinforcement and leakage prevention of the connection portion and a manufacturing apparatus thereof in a drainage pipe (PE spiral pipe) consisting of a reinforcement part 12 and the recess groove in the spiral winding circuit, and the groove portion is conventionally a spiral winding In order to prevent water leakage, there is a inconvenience to tighten the waterproof sheet and connecting pipe by a known method after inserting a water-resistant foam or soft rubber on one side of the groove part. Complementary to the reinforcement portion 12 for the purpose of forming a V-shaped reinforcement (4) (4 ') to complement the groove portion for the purpose of the intermittent configuration of the product and embodiments thereof The manufacturing apparatus thereof is designed to form the drainage pipe of the present invention by assembling the bending gear 10 having the bent portion 11 to the die 13 and the molding machine 14 of the conventional extruder.

Description

High strength drainage pipe and its manufacturing apparatus

1 is a perspective view of the present invention.

2 is a cross-sectional view of FIG.

3 is a cross-sectional view of the main portion of FIG.

4 is a sectional view showing main parts of Embodiment 1 of FIG.

5 is a sectional view showing main parts of Embodiment 2 of FIG.

6 is a sectional view showing main parts of Embodiment 3 of FIG.

7 is a main portion perspective view of Embodiment 4 of FIG.

8 is a sectional view of the main portion of the state of use of the present invention.

9 is a perspective view of the ureter of the present invention.

10 is a plan view of FIG.

11 is a perspective view of the embodiment of FIG.

12 is a state of use of FIG.

* Explanation of symbols for the main parts of the drawings

1: drainage pipe 2: protrusion 3: fusion zone

4, 4 ': V type reinforcing rod 5: Bonding rod 6: supporting rib

7: Corrugated seam 8: Connection 9: Waterproof sheet

10: bending gear 11: bending section 12: reinforcing section

13: Dice 14: Molding machine 15: Adhesive roller

17: Tube

The present invention relates to a drainage pipe widely used as a synthetic resin spiral pipe.

Conventional spiral pipes have spiral windings with alternating protrusions and grooves in the longitudinal direction, so that watertight sheets or soft rubber operations for leakage prevention are inserted in the grooves to prevent watertightness at the joints. The method of tightening the steel by a known screw tightening method is cumbersome in use and the external pressure is low, so that the cross section of the drain pipe becomes elliptical after construction. It is designed to provide a perfect leak prevention and external pressure reinforcement even when used as a screw tightening type, which is used as a known method by connecting the connection socket with a waterproof sheet.

As shown in FIGS. 1, 2, and 3, the external pressure strength and the fusion zone (3) in the drainage pipe (1) consisting of the conventional synthetic resin spiral pipe spirally wound by the reinforcement part (12) and the adhesive part as well as the spiral bone. Reinforce the breakage strength, but intermittently configure the semi-circular protrusions (2) to wrap the waterproof sheet (9) to the connection portion of the drainage pipe (1) as shown in Figure 8 and known as connecting socket (8) Tightening screws not shown in the drawing When tightened in the direction, the waterproof sheet 9 is in close contact with the semicircular protrusion 2 (hereinafter referred to as protrusion), whereby a close contact portion (B) is formed and leaks along the groove of the spiral structure as in the prior art. As described in accordance with an embodiment to devise a product that not only solves the problem but also provides a product that is reinforced with external pressure strength as follows.

[Example 1]

As shown in FIG. 4, when the cross-section of the adhesive bar 4 is formed in the center of the spiral bone (groove) to form a V-shaped reinforcement, the double wall surface of the reinforcement part 12 is reinforced with a quadrilateral wall. Given the external pressure reinforcement is designed to prevent leakage in the role of the protrusion (2).

[Example 2]

As shown in FIG. 5, the adhesive bar 4 'is biased toward one side of the spiral bone to prevent leakage during external pressure reinforcement and connection work, which is the purpose of this paper, even when the hollow portion (a) (a') is not symmetrically. It is devised to provide effects.

[Example 3]

As shown in FIG. 6, a double wall surface and a cross section of the reinforcement part 12 support each other between the V-shaped reinforcing bars 4 'so that a support rib 6 is formed on the double wall surface to further increase external pressure reinforcement. It is intended to be fixed to the junction 5 while integrating to the center portion of the V-shaped reinforcement (4 '), but is designed for intermittent pressure reinforcement and leakage prevention of the connection by intermittently configuring the protrusion (2).

[Example 4]

As shown in FIG. 7, the joints 4 of the grooves are alternately protruded from side to side in the spirally wound length direction, and the protrusions 2 are intermittently formed to provide external pressure reinforcement and leakage prevention of the connection part. It is devised to do.

And the description of the manufacturing apparatus of the present invention is a synthetic resin spiral by assembling the adhesive roller 15 to the roller 16 of the molding machine 14 assembled to the extruder die 13 as shown in Figure 9, 10, 11 The tube 1 is molded, but the tube 17 extruded from a separate die 13 'is used to form a V-shaped reinforcement 4' in cross section using a bending gear 10 which is a main part of the present invention. And a manufacturing apparatus configured to form a drainage pipe of the present invention by assembling a container 10 in which a bent portion 11 is formed so that the protrusion 2 can be molded. As an example, as shown in FIG. Part 11 provides a drainage pipe that provides a purpose of preventing leakage during external pressure reinforcement and connection work, which is a feature of the product of the present invention even when using a bending roller 10 configured only one side.

Therefore, the present invention reinforces the breakage strength and the external pressure strength with the fusion splicing part 3 in the concave groove in the drainage pipe in which the groove part and the reinforcement part 12 are manufactured by the spiral winding. When connecting the drainage pipe (1) by winding the waterproof sheet (9) on the connection part and tighten the connecting socket (8) by a known method, the area reinforced by the fusion zone (3) is a spiral space according to the spiral bone Although the (A) is formed, but the intermittently protruding protrusion 20 is designed to solve the phenomenon of leakage along the spiral bone by the formation of the close contact portion (B) by the compression of the waterproof sheet 9, and at the same time to provide an external pressure strength reinforcement In this embodiment, the product of the present invention is provided even if the cross-section is formed of the V-shaped reinforcement 4 'in the recess, and the support rib 6 is formed on the double wall of the reinforcement 12 to be integrated with the inclined V-shaped reinforcement. While splicing with the splicing table (5) In this direction, the product of the present invention is provided even if the corrugated joint 7 is constructed by alternately forming the left and right protrusions alternately. In the description of the manufacturing apparatus, the die 13 of the extruder and the roller 16 of the molding machine 14 are provided. While fitting the tube 17 extruded from the auxiliary die 13 'to the spiral bone in the PE spiral tube manufactured in the present invention, the bent portion 11 is formed so as to form a protrusion 2 intermittently with the device of the present invention. ) Is manufactured by rotating the PE spiral tube 1 by assembling the bending gear 10 having the structure of the present invention and providing a device in which the protrusion 2 is manufactured intermittently with the formation of the reinforcement in the groove of the product of the present invention. It is designed to provide perfect leakage prevention and external pressure strength reinforcement at low cost.

Claims (5)

The high-strength drainage pipe in which the reinforcement part 12 and the concave groove part form a fusion winding 3 in the spiral conduit 1 formed in the spiral winding but intermittently constitute the protrusion 2 in the spiral winding direction of the concave groove part. The high-strength drainage pipe of Claim 1 in which the cross section comprised the V-shaped reinforcement stand 4 and 4 '. The high strength drainage pipe according to claim 1, wherein the support ribs 6 are formed. The high strength drainage pipe according to claim 1, wherein the corrugated joint 7 is formed. The apparatus for manufacturing a high strength drainage pipe according to claim 1, wherein a bending gear (10) having a bent portion (11) is formed in a conventional apparatus in which a die (13) and a molding machine (14) of an extruder are assembled. ※ Note: This is to be disclosed based on the first application.