KR101647605B1 - Multi-wall pipe for junction secession prevention and improving strength - Google Patents

Multi-wall pipe for junction secession prevention and improving strength Download PDF

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Publication number
KR101647605B1
KR101647605B1 KR1020150158485A KR20150158485A KR101647605B1 KR 101647605 B1 KR101647605 B1 KR 101647605B1 KR 1020150158485 A KR1020150158485 A KR 1020150158485A KR 20150158485 A KR20150158485 A KR 20150158485A KR 101647605 B1 KR101647605 B1 KR 101647605B1
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South Korea
Prior art keywords
profile
synthetic resin
tube
shape
hollow portion
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Application number
KR1020150158485A
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Korean (ko)
Inventor
박재희
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주식회사 월드케미칼
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • F16L9/127—Rigid pipes of plastics with or without reinforcement the walls consisting of a single layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • F16L9/127—Rigid pipes of plastics with or without reinforcement the walls consisting of a single layer
    • F16L9/128—Reinforced pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/22—Pipes composed of a plurality of segments

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The present invention relates to a multi-wall pipe for improving strength and preventing separation of a bonding unit where a tube made of a synthetic resin material is wound in a spiral shape and fixated and connected by a connection member (2). A profile (20) has an inner hollow unit (30). The hollow unit (30) has an upper hollow unit (32) formed in an upper portion thereof, a center hollow unit (31) formed in a center portion thereof, and a lower hollow unit (33) formed in a lower portion thereof.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a multi-

[0001] The present invention relates to a multi-wall pipe for prevention of detachment and strength improvement, and more particularly, to a multi-wall pipe for preventing a detachment and strength of a joint which is resistant to deformation by external force The present invention relates to a multi-walled pipe for improvement.

Generally, according to the profile synthetic resin pipe of Patent No. Registration No. 10-0926328 of the prior art, a polyethylene pipe (hereinafter referred to as "PE pipe") is a side pipe such as a road or the like It is used for irrigation waterway, agricultural waterway, living sewage pipe for underground drainage, agriculture, etc. PE tube is spirally wound and polyethylene resin is extruded therebetween.

Since the PE pipe is buried in the ground, it is affected by the pressure applied to the pad and the water flowing into the inside of the PE pipe, and therefore rigidity is required to support the pipe. Therefore, in the conventional case, a '+' shaped support bar vertically and horizontally crossing the inside of the PE tube was formed along the PE tube to support the external force. Also, the shape of the polyethylene joint member (hereinafter referred to as 'PE joint member') is made to have the same rigidity as that of the section steel.

As a prior art, according to the profile synthetic resin tube of Patent Registration No. 10-0926328, a synthetic resin tube is spirally wound, a resin is extruded in a spiral gap portion of the tube to form a joint member, Wherein a profile cross section of the tube has a square shape in which the corners are cut out and a middle part of both sides of the profile on both sides of the profile is cut to form a joint member filling part for filling the joint, (Honeycomb) hollow portions having an excellent resilience against deformation are formed,

Figure 112015110109899-pat00001
Quot; profile ".< / RTI >

As another conventional art, in the synthetic resin double wall tube manufactured by the laminated profile tube of Patent Registration No. 10-0573318, a method and a manufacturing apparatus thereof, two or more profile tubes are sequentially adhered and laminated by the first adhesive layer A lamination profile tube in which the side surfaces of the two or more profile tubes are spirally wound so as to be adjacent to each other; And a second adhesive layer interposed between the spirally wound stacked profile pipes and joining the side surfaces of the two or more profile pipes.

As another prior art, according to the strength enhancement type synthetic resin pipe of Patent Registration No. 10-0743217, a contact surface is formed at one portion, and a contact surface which is located at an inner diameter of an outer profile, Wherein the double profile comprises an inner surface reinforcing projection projecting on a part of the inner profile and a plurality of inner surface reinforcing projections which are continuous with the inner surface reinforcing projection, And a reinforcing space for reinforcing the inner surface to be positioned.

However, the above conventional profiles have a weak load strength, are vulnerable to earth pressure or oil pressure applied from the outside of the profile tube, and are not smoothly cooled, resulting in poor moldability.

Further, the profiles are not different from the conventional profiles because the mutually coupled portions of the profiles formed on the helical tube are disadvantageous in that they are loosened well.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a waterproofing material which is capable of sufficiently adhering to an external force or internal water pressure without a separate reinforcing material, , Since the profile is a double symmetrical wall pipe, the stress acts uniformly on the external force.

Also, it is intended to provide a multi-walled pipe for prevention of joining part loosening which is a problem of a conventional product, reduction of raw material, cooling down smoothly, productivity increase,

In the present invention, a tube made of a synthetic resin is spirally wound, and a resin is extruded in a spiral gap portion of the synthetic resin tube to form a joint member 2, and the tube made of synthetic resin is fixed by the joint member 2 And a profile 20 is formed inside the wall of the synthetic resin tube. The profile 20 has a hollow portion 30 formed therein. In the multi-walled pipe, The upper portion 30 of the upper portion 30 is formed with an inverted trapezoidal upper middle portion 32, a hexagonal center portion 31 is formed at the middle portion, and a lower middle portion 33 having a trapezoidal shape is formed at the lower portion The upper middle weights 32, the middle weights 31 and the lower weights 33 are integrally formed to form the hollow portion 30. The hollow portion 30 is vertically separated from the center in the vertical direction, A wall 40 is formed, and the number of the shapes This section '

Figure 112015110109899-pat00002
Quot; shape.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a waterproofing material which is capable of sufficiently adhering to an external force or internal water pressure without a separate reinforcing material, , Since the profile is a double symmetrical wall pipe, the stress acts uniformly on the external force.

In addition, it has a remarkable effect of preventing raw material pipe loosening, which is a problem of conventional products, reducing raw material, cooling smoothly, increasing productivity, and improving moldability.

1 is a profile cross-sectional view of the present invention;
2 is a cross-sectional view of a multi-walled pipe for preventing detachment and strength improvement of the present invention.
3 is a cross-sectional view of a profile of the present invention in which a release preventing piece and a reinforcing portion are formed.
4 is a view showing a conventional synthetic resin profile pipe.

In the present invention, a tube made of a synthetic resin is spirally wound, and a resin is extruded in a spiral gap portion of the synthetic resin tube to form a joint member 2, and the tube made of synthetic resin is fixed by the joint member 2 And a profile 20 is formed inside the wall of the synthetic resin tube. The profile 20 has a rectangular shape with a hollow portion 30 formed therein, The hollow portion 30 has an inverted trapezoidal upper central portion 32 formed at its upper portion, a central central portion 31 having a hexagonal shape at its middle portion, and a lower central portion 33 having a trapezoidal shape at its lower portion The upper middle weights 32, the middle weights 31 and the lower weights 33 are integrally formed to form a hollow portion 30, A vertical isolation wall 40 is formed, The vertical section on '

Figure 112015110109899-pat00003
Quot; shape.

In addition, reinforcing portions 35 are formed at portions where the hypotenuses are in contact with each other so as to form a vertex at both sides of the center weight 31.

Further, on both sides of the profile (20), release preventing pieces (34) are formed outwardly in a staggered manner.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a sectional view of a profile according to the present invention, FIG. 2 is a cross-sectional view of a multiple wall tube for preventing detachment and strength improvement of the present invention, FIG. 3 is a sectional view of a profile of the present invention, It is the profile of the profile pipe.

In the present invention, a tube made of a synthetic resin is spirally wound, and a resin is extruded in a spiral gap portion of the synthetic resin tube to form a joint member 2, and the tube made of synthetic resin is fixed by the joint member 2 , And a multi-walled pipe for preventing the separation of the joint where the profile 20 is formed inside the wall of the synthetic resin tube and for improving the strength is formed.

The profile 20 has a rectangular shape with a hollow portion 30 formed therein. The hollow portion 30 has an upper heald 32 having an inverted trapezoidal shape at an upper portion thereof, A lower hollow portion 33 having a trapezoidal shape is formed at a lower portion thereof and the upper hollow portion 32, the central hollow portion 31 and the lower hollow portion 33 are integrally formed A hollow portion 30 is formed in the hollow portion 30. A vertical isolation wall 40 is formed in the hollow portion 30 in the vertical direction at the center,

Figure 112015110109899-pat00004
So that the strength and rigidity of the profile tube are increased.

The length ratio of the upper weights, the center weights and the lower weights is 1: 2: 1.

The upper half of the upper half of the trapezoidal shape is 45 to 50 degrees and the lower half of the lower half of the trapezoid is 45 to 50 degrees. do.

The side elevation c formed by the upper and lower hypotenuses forming the vertexes of the hexagonal center of gravity are 55 to 65 °.

A release preventing piece 34 is protruded in a right direction from a lower right vertex of the profile, a release preventing piece 34 is protruded in a left direction from a left vertex of the center of the profile, Is formed in a triangular shape and the lower portion is formed in a rectangular shape,

Figure 112015110109899-pat00005
'Shape.

Therefore, on both sides of the profile 20, the release preventing pieces 34 are staggered outwardly.

The hypotenuse formed on the right side of the profile is formed to be parallel to the adjacent hypotenuse of the center mass. The hypotenuse formed on the left side of the profile is formed parallel to the adjacent hypotenuse of the upper heald, And also increases rigidity.

A reinforcing portion 35 is formed in a triangular shape at portions where the hypotenuses are in contact with each other to form a vertex at both sides of the center of the hexagonal shape,

Figure 112015110109899-pat00006
'Shape.

The length of the release preventing piece 34 is 1/3 to 1/5 of the width of the profile.

In the method for manufacturing a multiple wall tube for preventing separation and strength of a joint according to the present invention, a synthetic resin tube is spirally wound and a resin is extrusion-molded in a spiral gap portion of the synthetic resin tube to form a joint member 2 , And the synthetic resin tube is fixedly joined by the joint member (2). In this process, a hollow is formed inside a tube made of a synthetic resin.

Figure 112015110109899-pat00007
'Profile shape or'
Figure 112015110109899-pat00008
The profile is spirally fed to the winder device which is supplied after being cooled by passing through the cooling bath while extruding the profile of the profile profile from the extruder and supplied spirally so that the connecting member, So as to form a multi-walled pipe for preventing the separation of the joining portion and strengthening the strength by connecting the contact surfaces of the adjacent profiles.

If the specific work is described, the heater temperature for melting the polyethylene terephthalate which is the material of the synthetic resin tube is set in the range of 180 ° C to 210 ° C, and the optimum temperature is set to about 200 ° C. Then, the temperature of the tube mold outlet made of synthetic resin is about 190 ° C.

On the other hand, the extruded tube is cooled through a cooling bath. The cooling water temperature of the cooling bath is about 24 ° C. In summer, the cooling tower is operated to keep the water temperature at an appropriate temperature of about 24 ° C. The produced tube is cooled by passing through the water stored in the cooling bath.

Then, the joining member is joined to the manufactured tube, and the completed profile tube is cooled by spraying the cooling water on the surface again. The working speed of the present invention produces a multi-walled pipe for prevention of joining departure and strength improvement in the napkin (6m) on the basis of 300? For 35 to 45 minutes.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a waterproofing material which is capable of sufficiently adhering to an external force or internal water pressure without a separate reinforcing material, , Since the profile is a double symmetrical wall pipe, the stress acts uniformly on the external force.

In addition, it has a remarkable effect of preventing raw material pipe loosening, which is a problem of conventional products, reducing raw material, cooling smoothly, increasing productivity, and improving moldability.

2. Member of joint
20. Profile 30. Hollow
31. Center of Height 32. Top of Center
33. Lower part of study 34. Loosening prevention piece
35. Reinforcement 40. Vertical isolation wall
a. B. Bottom attachment
c. Side angle

Claims (3)

A synthetic resin tube is spirally wound and a resin is extrusion-molded in a spiral gap portion of the synthetic resin tube to form a joint member 2. The synthetic resin tube is fixed and joined by the joint member 2, A multi-walled pipe for prevention of separation and strength improvement of a junction where a profile (20) is formed inside a wall of a tube,
The profile 20 has a hollow portion 30 formed therein. The hollow portion 30 has an inverted trapezoidal upper middle portion 32 formed at an upper portion thereof, and a hexagonal center portion 32 (31), and a lower weight (33) having a trapezoidal shape is formed at a lower portion thereof,
The upper heavy weights 32, the central heavy weights 31 and the lower heavy weights 33 are integrally formed to form the hollow portion 30, (40) is formed, and the vertical cross section of the shape is "
Figure 112016043950811-pat00015
'Shape,
A reinforcing portion 35 is formed at a portion where the hypotenuses are in contact with each other to form a vertex on both sides of the center weight 31. The reinforcing portion 35 has a triangular shape,
A release preventing piece 34 is formed on both sides of the profile 20 and a release preventing piece 34 is protruded in a right direction from a right vertex of a lower end of the profile 20, And an unlocking prevention piece (34) protruding in the left direction from the left vertex and being formed outwardly staggered from each other.
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KR1020150158485A 2015-11-11 2015-11-11 Multi-wall pipe for junction secession prevention and improving strength KR101647605B1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050020556A (en) * 2003-11-27 2005-03-04 정영제 A double wall pipe
KR100737389B1 (en) * 2006-08-04 2007-07-09 백충원 Polyethylene pipe
KR101532663B1 (en) * 2014-12-08 2015-06-30 주식회사 시코 synthetic resin profile pipe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050020556A (en) * 2003-11-27 2005-03-04 정영제 A double wall pipe
KR100737389B1 (en) * 2006-08-04 2007-07-09 백충원 Polyethylene pipe
KR101532663B1 (en) * 2014-12-08 2015-06-30 주식회사 시코 synthetic resin profile pipe

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