KR20080075658A - Plastic triple layer pipe - Google Patents

Plastic triple layer pipe Download PDF

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Publication number
KR20080075658A
KR20080075658A KR1020070014868A KR20070014868A KR20080075658A KR 20080075658 A KR20080075658 A KR 20080075658A KR 1020070014868 A KR1020070014868 A KR 1020070014868A KR 20070014868 A KR20070014868 A KR 20070014868A KR 20080075658 A KR20080075658 A KR 20080075658A
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South Korea
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plastic
triple tube
plastic triple
recessed groove
contact surface
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KR1020070014868A
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Korean (ko)
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박용범
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(주) 삼정디씨피
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Priority to KR1020070014868A priority Critical patent/KR20080075658A/en
Publication of KR20080075658A publication Critical patent/KR20080075658A/en

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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
    • F16L9/121—Rigid pipes of plastics with or without reinforcement with three layers

Abstract

A plastic triple-layer pipe is provided to enhance strength of the plastic triple-layer pipe without increasing an amount of materials used for the plastic triple-layer pipe. A plastic triple-layer pipe includes an inner layer(1), an outer layer(5), and an intermediate layer(3) interposed between the inner layer and the outer layer. A reinforcement section is formed at a contact surface(3a) between the intermediate layer and the outer layer. The reinforcement section includes a recess(30) that extends from the contact surface toward the inner layer. The recess has a pair of vertical surfaces(30a) and a horizontal surface(30b) connecting end portions of the vertical surfaces. At least one recess is formed at each contact surface.

Description

플라스틱 삼중관{plastic triple layer pipe}Plastic triple layer pipe

도 1은 종래 플라스틱 삼중관의 단면도1 is a cross-sectional view of a conventional plastic triple tube

도 2는 본 발명에 따른 플라스틱 삼중관의 제 1 실시예Figure 2 is a first embodiment of a plastic triple tube according to the present invention

도 3은 본 발명에 따른 플라스틱 삼중관의 제 2 실시예3 is a second embodiment of a plastic triple tube according to the present invention

도 4는 본 발명에 따른 플라스틱 삼중관의 제 3 실시예Figure 4 is a third embodiment of a plastic triple tube according to the present invention

도 5는 본 발명에 따른 플라스틱 삼중관의 제 4 실시예Figure 5 is a fourth embodiment of a plastic triple tube according to the present invention

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

1 : 내피 3 : 중피1: endothelial 3: medium

5 : 외피 3a : 접면5: shell 3a: fold

30, 32, 34 : 함몰홈 40 : 중피30, 32, 34: depression groove 40: medium skin

본 발명은 2층관의 3층관과의 대접면에 보강구조를 갖춤으로써 일반의 코러게이트 삼중관에 비해 강도가 강화된 플라스틱 삼중관에 관한 것이다.The present invention relates to a plastic triplet tube having a strengthening strength compared to a common corrugated triplet by having a reinforcing structure on the surface of the two-layered tube with the three-layered tube.

도 1에서와 같이 평활한 내피(1) 및 외피(5)과, 상기 내피(1)와 외피(5) 사이에 개입되는 요철형상의 중피(3)로 이루어진 플라스틱제의 코러게이트 삼중관은 부식이 없고, 경량이며, 내구성도 강해서 최근 하수관으로 많이 사용되고 있다.As shown in FIG. 1, the corrugated triple tube made of plastic is composed of a smooth inner skin 1 and an outer skin 5 and an uneven skin 3 interposed between the inner skin 1 and the outer skin 5. It is light, lightweight and durable, and has been widely used in sewage pipes recently.

하지만, 이러한 장점에도 불구하고 재질이 플라스틱인 관계로 콘크리트관에 비해서는 변형의 소지가 크고, 윤압 및 토압에 취약하다는 단점을 부정할 수 없었다. 물론, 3층이상으로 적층 수를 늘리면 강도보강의 문제는 해결될 수 있다 하겠으나 이에 따른 원가상승이 수반되므로 현실적으로 실행하는데 어려움이 있다.However, in spite of these advantages, the plastic material is plastic, so it is more likely to be deformed than the concrete pipe, and it cannot be denied the disadvantage that it is vulnerable to rotational pressure and earth pressure. Of course, increasing the number of laminated layers to more than three layers can be solved the problem of strength reinforcement, but there is a difficulty in carrying out in practice because it is accompanied by a cost increase.

이에, 본 발명은 상기와 같은 종래의 문제점을 해소하기 위해 안출한 것으로서, 본 발명의 주요 목적은 원재료의 사용량을 크게 늘리지 않으면서도 강도보강을 이룰 수 있는 플라스틱 삼중관을 제공함에 있다.Accordingly, the present invention has been made to solve the conventional problems as described above, the main object of the present invention is to provide a plastic triple tube that can achieve strength without significantly increasing the amount of raw materials used.

상기 목적을 달성하기 위한 본 발명은,The present invention for achieving the above object,

① 평활한 내피 및 외피 사이로 중공형이면서 코러게이트형인 중피가 개입된 플라스틱 삼중관에 있어서, 상기 중피의 외피와의 각 접면에 보강부가 형성된 것을 특징으로 하는 플라스틱 삼중관이다.(1) A plastic triple tube in which a hollow and corrugated medium is inserted between a smooth inner and outer skin, wherein a reinforcement is formed at each contact surface with the outer skin of the medium.

② 상기 보강부는, 상기 접면으로 부터 상기 내피를 향해 함몰된 함몰홈인 것을 특징으로 하는 플라스틱 삼중관이다.② The reinforcing part is a plastic triple tube, characterized in that the recessed groove recessed toward the endothelial from the contact surface.

③ 상기 함몰홈의 단면 형상이 사각형인 것을 특징으로 하는 플라스틱 삼중관이다.③ The plastic triple tube is characterized in that the cross-sectional shape of the recessed groove is rectangular.

④ 상기 함몰홈의 단면 형상이 삼각형인 것을 특징으로 하는 플라스틱 삼중관이다.④ The plastic triple tube, characterized in that the cross-sectional shape of the recessed groove is a triangle.

⑤ 상기 함몰홈의 단면 형상이 사다리꼴형인 것을 특징으로 하는 플라스틱 삼중관이다.⑤ The plastic triple tube is characterized in that the cross-sectional shape of the recessed groove is trapezoidal.

⑥ 상기 함몰홈은 각 접면에 적어도 하나 이상 형성된 것을 특징으로 하는 플라스틱 삼중관이다.⑥ The recessed groove is a plastic triple tube, characterized in that at least one formed on each contact surface.

⑦ 내피, 중피, 외피가 순차적으로 중첩되어 이루어진 플라스틱 삼중관에 있어서,상기 중피는, 상기 내피와 전면(全面)적으로 접하는 기저면으로 부터 상기 외피를 향해 돌출되는 솔리드(solid)형의 돌출부를 일정간격으로 형성하여 상기 각 돌출부의 정점에 상기 외피가 접하도록 한 것을 특징으로 하는 플라스틱 삼중관이다.(7) In the plastic triple tube formed by sequential overlapping of the endothelium, the mesothelioma and the sheath, the mesothelial is a solid protrusion projecting toward the sheath from the base surface in full contact with the endothelium. It is formed by the interval is a plastic triple tube, characterized in that the outer skin is in contact with the apex of each projection.

이하, 본 발명의 바람직한 실시예를 첨부도면을 참조하여 상세히 설명한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

첨부된 도 2는 본 발명에 따른 플라스틱 삼중관의 제 1 실시예이고, 도 3은 본 발명에 따른 플라스틱 삼중관의 제 2 실시예이며, 도 4는 본 발명에 따른 플라스틱 삼중관의 제 3 실시예이고, 도 5는 본 발명에 따른 플라스틱 삼중관의 제 4 실시예를 나타내고 있다.2 is a first embodiment of the plastic triple tube according to the present invention, FIG. 3 is a second embodiment of the plastic triple tube according to the present invention, and FIG. 4 is a third embodiment of the plastic triple tube according to the present invention. 5 shows a fourth embodiment of a plastic triple tube according to the invention.

본 발명에 따른 플라스틱 삼중관은 첨부된 도면에서와 같이 원재료의 추가량은 극히 제한하면서도 구조적인 변경만으로 최선의 강성강화의 효과를 얻고자 한 것으로서, 평활한 내피(1) 및 외피(5) 사이로 중피(3)가 개입된 플라스틱 삼중관으로 부터, 상기 중피(3)의 외피(5)와의 각 접면(3a)에 보강부를 형성한 것이다.The plastic triple tube according to the present invention is intended to obtain the best rigidity effect by only structural change while the addition amount of raw materials is extremely limited, as shown in the accompanying drawings, between the smooth inner skin (1) and the outer skin (5). From the plastic triplet tube in which the mesothelial body 3 intervenes, the reinforcement part is formed in each contact surface 3a with the outer skin 5 of the said mesothelial body 3.

상기에서 보강부는 상기 접면(3a)으로 부터 상기 내피(1)를 향해 함몰된 함 몰홈(30,32,34)으로 되는데, 상기 함몰홈(30,32,34)은 아래와 같이 여러 실시예가 제시된다. 아래의 3가지 실시예는 중피(3)가 중공형이면서 코러게이트형 일 때를 한정한 구성이다.The reinforcement portion is a recessed groove (30, 32, 34) recessed toward the endothelial (1) from the contact surface (3a), the recessed grooves (30, 32, 34) are shown in various embodiments as follows . The following three embodiments have a configuration in which the middle shell 3 is hollow and corrugated.

제 1 실시예는, 도 2에서와 같이 상기 함몰홈(30)의 단면 형태를 사각형으로 한 것이다.In the first embodiment, as shown in Fig. 2, the cross-sectional shape of the recessed groove 30 is a square.

상기한 사각형의 함몰홈(30)은, 도면상 수평한 상기 각 접면(3a)으로 부터 상기 내피(1)를 향해 도면상 수직으로 하향 절곡된 한 쌍의 수직면(30a)과, 상기 두 수직면(30a)의 단부를 연결하는 수평면(30b)으로 구성하므로써 형성된 것으로서, 상기 함몰홈(30)은 상기 각 접면(3a)에 적어도 하나 이상 형성된다.The rectangular recess 30 has a pair of vertical surfaces 30a bent vertically downward in the drawing toward the endothelium 1 from the contact surfaces 3a that are horizontal in the drawing, and the two vertical surfaces ( It is formed by configuring the horizontal surface 30b connecting the ends of 30a, and the recessed grooves 30 are formed at least one in each said contact surface 3a.

제 2 실시예는, 도 3에서와 같이 상기 함몰홈(32)의 단면 형태를 삼각형으로 한 것이다.In the second embodiment, the cross-sectional shape of the recessed groove 32 is triangular as in FIG.

상기한 삼각형의 함몰홈(32)은, 도면상 수평한 상기 각 접면(3a)으로 부터 상기 내피(1)를 향해 경사지게 절곡한 한 쌍의 경사면(32a) 하단을 상호 연결하여 구성하므로써 형성된 것으로서, 상기 함몰홈(32)은 상기 접면(3a)에 적어도 하나 이상 형성된다.The triangular recessed groove 32 is formed by interconnecting a lower end of a pair of inclined surfaces 32a bent inclined toward the endothelium 1 from each of the contact surfaces 3a which are horizontal in the drawing, At least one recessed groove 32 is formed in the contact surface 3a.

제 3 실시예는, 도 4에서와 같이 상기 함몰홈(34)의 단면 형태를 사다리꼴형으로 한 것이다.In the third embodiment, as shown in Fig. 4, the cross-sectional shape of the recessed groove 34 is trapezoidal.

상기한 사다리꼴형의 함몰홈(34)은, 도면상 수평한 상기 각 접면(3a)으로 부터 상기 내피(1)를 향해 경사지게 절곡한 한 쌍의 경사면(34a)과, 상기 두 경사면(34a)의 단부를 연결하는 수평면(34b)으로 구성하므로써 형성된 것으로서, 상기 함몰홈(34)은 상기 각 접면(3a)에 적어도 하나 이상 형성된다.The trapezoidal recessed groove 34 includes a pair of inclined surfaces 34a bent inclined toward the endothelium 1 from each of the contact surfaces 3a that are horizontal in the drawing, and the two inclined surfaces 34a. As formed by forming a horizontal surface 34b connecting the ends, at least one recessed groove 34 is formed in each of the contact surfaces 3a.

앞서 설명된 3가지 실시예는 접면(3a)에 다수의 절곡부를 두어서 굴곡형의 접면을 형성하므로써 평탄형의 접면에 비해 강도가 보강되게 한 것이다. 이러한 형태는 원재료의 추가량은 많지 않으면서도 간단한 구조적인 변경으로 관의 강도를 증대시킬 수 있다는 장점이 있다.The three embodiments described above form a curved contact surface by placing a plurality of bent portions on the contact surface 3a so that the strength is reinforced compared to the flat contact surface. This type has the advantage that the strength of the tube can be increased by a simple structural change without adding a large amount of raw materials.

아래의 제 4 실시예는 앞선 실시예와는 다른 형태로서, 도 5에서와 같이 내피(1)와 외피(5)의 구조는 동일하되, 중피(40)를 구성함에 있어서, 상기 내피(1)와 전면(全面)적으로 접하는 기저면(42)으로 부터 상기 외피(5)를 향해 돌출되는 솔리드(solid)형의 돌출부(44)를 일정간격으로 형성하여 상기 각 돌출부(44)의 정점에 상기 외피(5)가 접하도록 한 것이다.The fourth embodiment below is different from the previous embodiment, the structure of the endothelial (1) and the outer shell (5) is the same as in Figure 5, in the construction of the medium (40), the endothelial (1) A solid projection 44 protruding toward the outer shell 5 from the base surface 42 which is in full contact with the front surface at regular intervals, and at the apex of each of the projections 44. (5) was in contact.

상기한 제 4 실시예는 돌출부(44)의 내부가 공간 없이 채워져 있으므로 돌출부에 하중이 가해지더라도 비어 있는 형태에 비해 강성을 강하게 할 수 있어서 상기한 3가지 실시예와 대등한 정도의 강성을 가질 수 있게 된다.In the fourth embodiment, since the inside of the protrusion 44 is filled without a space, even when a load is applied to the protrusion 44, the stiffness can be made stronger than that of the empty form, so that the fourth embodiment can have stiffness comparable to the above three embodiments. Will be.

이상에서 설명한 바와 같이 본 발명은, 원재료의 추가량을 극히 줄이면서 구조적인 개선만으로 이전에 비해 강도를 강화할 수 있어서 실용적이다.As described above, the present invention is practical because the amount of raw materials can be greatly reduced and the strength can be strengthened as compared with the previous structure only by structural improvement.

Claims (7)

평활한 내피 및 외피 사이로 중공형이면서 코러게이트형인 중피가 개입된 플라스틱 삼중관에 있어서,In the plastic triple tube with hollow and corrugated medium between the smooth inner and outer skin, 상기 중피의 외피와의 각 접면에 보강부가 형성된 것을 특징으로 하는 플라스틱 삼중관.Plastic triple tube, characterized in that the reinforcement is formed on each contact surface with the outer shell of the medium. 제 1 항에 있어서, 상기 보강부는,The method of claim 1, wherein the reinforcement portion, 상기 접면으로 부터 상기 내피를 향해 함몰된 함몰홈인 것을 특징으로 하는 플라스틱 삼중관.Plastic triple pipe, characterized in that the recessed groove recessed toward the endothelial from the contact surface. 제 2 항에 있어서,The method of claim 2, 상기 함몰홈의 단면 형상이 사각형인 것을 특징으로 하는 플라스틱 삼중관.Plastic triple tube, characterized in that the cross-sectional shape of the recessed groove. 제 2 항에 있어서,The method of claim 2, 상기 함몰홈의 단면 형상이 삼각형인 것을 특징으로 하는 플라스틱 삼중관.Plastic triple tube, characterized in that the cross-sectional shape of the recessed groove. 제 2 항에 있어서,The method of claim 2, 상기 함몰홈의 단면 형상이 사다리꼴형인 것을 특징으로 하는 플라스틱 삼중관.Plastic triple tube, characterized in that the cross-sectional shape of the recessed groove is trapezoidal. 제 2 항 내지 제 5 항 중 어느 한 항에 있어서,The method according to any one of claims 2 to 5, 상기 함몰홈은 각 접면에 적어도 하나 이상 형성된 것을 특징으로 하는 플라스틱 삼중관.The recessed groove is a plastic triple tube, characterized in that at least one formed on each contact surface. 내피, 중피, 외피가 순차적으로 중첩되어 이루어진 플라스틱 삼중관에 있어서,In the plastic triple tube made up of a sequential overlap of the inner, inner, and outer shell, 상기 중피는, 상기 내피와 전면(全面)적으로 접하는 기저면으로 부터 상기 외피를 향해 돌출되는 솔리드(solid)형의 돌출부를 일정간격으로 형성하여 상기 각 돌출부의 정점에 상기 외피가 접하도록 한 것을 특징으로 하는 플라스틱 삼중관.The mesothelial is characterized in that the outer skin is in contact with the apex of each of the protrusions by forming a solid protrusion protruding toward the outer skin from the base surface which is in contact with the endothelial (the entire surface) at a predetermined interval. Plastic triplex made.
KR1020070014868A 2007-02-13 2007-02-13 Plastic triple layer pipe KR20080075658A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101034517B1 (en) * 2008-12-15 2011-05-17 (주) 삼정디씨피 Corrugate pipe of plastic having union member

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5844583U (en) * 1981-09-18 1983-03-25 金尾　史朗 Synthetic resin corrugated double pipe
EP0322662A1 (en) * 1987-12-24 1989-07-05 Hans Grohe GmbH & Co. KG Shower hose and process for its manufacture
JP2002335617A (en) * 2001-05-08 2002-11-22 Sumitomo Wiring Syst Ltd Split corrugated tube for sheathing wire harness
KR20030013358A (en) * 2002-12-30 2003-02-14 민병이 High strength spiral pipe for drainage pipe
KR100431807B1 (en) * 2001-01-10 2004-05-20 민병이 Flexible reinforced spiral tube

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5844583U (en) * 1981-09-18 1983-03-25 金尾　史朗 Synthetic resin corrugated double pipe
EP0322662A1 (en) * 1987-12-24 1989-07-05 Hans Grohe GmbH & Co. KG Shower hose and process for its manufacture
KR100431807B1 (en) * 2001-01-10 2004-05-20 민병이 Flexible reinforced spiral tube
JP2002335617A (en) * 2001-05-08 2002-11-22 Sumitomo Wiring Syst Ltd Split corrugated tube for sheathing wire harness
KR20030013358A (en) * 2002-12-30 2003-02-14 민병이 High strength spiral pipe for drainage pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101034517B1 (en) * 2008-12-15 2011-05-17 (주) 삼정디씨피 Corrugate pipe of plastic having union member

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