KR20030040708A - a - Google Patents

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Publication number
KR20030040708A
KR20030040708A KR1020010071125A KR20010071125A KR20030040708A KR 20030040708 A KR20030040708 A KR 20030040708A KR 1020010071125 A KR1020010071125 A KR 1020010071125A KR 20010071125 A KR20010071125 A KR 20010071125A KR 20030040708 A KR20030040708 A KR 20030040708A
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South Korea
Prior art keywords
sheet
resin
metal mesh
resin sheet
cover sheet
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KR1020010071125A
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Korean (ko)
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KR100457257B1 (en
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김학건
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김학건
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Priority to KR10-2001-0071125A priority Critical patent/KR100457257B1/en
Publication of KR20030040708A publication Critical patent/KR20030040708A/en
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Publication of KR100457257B1 publication Critical patent/KR100457257B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/52—Heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/002—Panels; Plates; Sheets

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

PURPOSE: A forming method and structure of a connecting sheet for resin pipes are provided to prevent leakage by integrally bonding a resin sheet, a metal mesh and a cover sheet, and to bond evenly and stably by melting with heating of the metal mesh. CONSTITUTION: A resin sheet(2) is cut, and heated by applying hot blast of 100-200 deg.C to the upper part. A metal mesh(3) is put on the heated resin sheet, and combined with the resin sheet. A soft cover sheet(4) is stacked on the metal mesh, and hot blast of 100-200 deg.C is supplied to the cover sheet. A connecting sheet(1) is manufactured by applying heat to the cover sheet, and by integrally bonding the resin sheet, the metal mesh and the cover sheet with applying pressure.

Description

수지관 융착용 연결시트의 성형방법 및 구조{a}Forming Method and Structure of Resin Pipe Fusion Splicing Sheet {a}

본 발명은 수도관, 가스관, 하수관, 배수관 등의 용도로 활용되는 합성수지관을 연결시켜주는 융착 연결시트에 관한 것으로 수지시트에 금속메쉬를 올려놓고 열원을 가열한 후 덮개시트를 올려놓고 강압하여 수지시트와 금속메쉬 및 덮개시트가 일체형이 되어 연결되도록 하는 수지관 융착용 연결시트의 성형방법 및 구조에 관한 것이다.The present invention relates to a fusion splicing sheet for connecting a synthetic resin pipe used for water pipes, gas pipes, sewer pipes, drain pipes, etc. Put a metal mesh on the resin sheet and heat the heat source, put the cover sheet and step down the resin sheet The present invention relates to a molding method and a structure of a resin pipe fusion connection sheet to which the metal mesh and the cover sheet are integrally connected to each other.

수도관, 가스관, 하수관, 배수관 등의 수지관은 일정한 길이로 성형되므로 이들을 서로 연결하기 위하여 접합시키는 방법은 일반적인 열융착 접합방법으로 맞대기 융착법, 소켓 융착법, 시트 융착법이 소개되어 있다.Since resin pipes such as water pipes, gas pipes, sewer pipes, drain pipes, etc. are molded to a certain length, a method of joining them in order to connect them to each other is a general heat fusion bonding method, but a butt fusion method, a socket fusion method, and a sheet fusion method are introduced.

종래 소개된 실용신안등록 제124493호(1998. 6. 12. 등록)는 제조방법이 복잡하여 제조원가의 비중이 높아지며, 융착된 수지관의 전류공급이 균일하지 못하여 부분적인 누수의 발생으로 자원낭비, 토양오염, 경제적 손실 등 많은 문제점이 대두되었다.Utility Model Registration No. 1244933 (Registered on June 12, 1998), which was introduced in the related art, has a complicated manufacturing method, which increases the cost of manufacturing, and the current supply of the fused resin tube is not uniform. Many problems have arisen, including soil pollution and economic losses.

또한 수지판이 만나는 부분에서 전류의 몰림 현상으로 스파크가 발생되어 함몰하는 현상과 과열되는 경우 화재의 위험성이 있다.In addition, there is a risk of fire in the event of overheating and sparking caused by the current driving phenomenon at the area where the resin plate meets.

이러한 결점을 방지하기 위하여 본 출원인이 선출원한 특허 제288133호 (2001. 2. 5. 등록)는 회전되는 한쌍의 로울러에 열을 공급하면서 수지로 성형된 시트와 시트의 상측으로 ㄷ형의 금속메쉬를 공급하여 로울러에 의하여 W자형의 홈이 성형되면서 시트와 금속메쉬가 일체형이 되도록 성형하는 것이다.In order to prevent this drawback, Patent No. 288133 (registered on Feb. 5, 2001), filed by the present applicant, applies a c-shaped metal mesh to a resin molded sheet and the upper side of the sheet while supplying heat to a pair of rotating rollers. By supplying, the W-shaped groove is molded by the roller, and the sheet and the metal mesh are molded to be integrated.

그러나 시트와 금속메쉬를 일체형이 되도록 W형의 홈이 성형되어 금속메쉬를 시트에 간편하게 고정시킬 수 있는 구조를 제공하는 것이나, 수지관을 융착시키는 경우 금속메쉬의 발열에 의하여 수지관과 시트가 용융되는 과정에서 돌출된 부분이 전체적으로 용융되지 못하므로 융착이 된 후 용융되지 않은 부분에서 누수가 발생될 염려가 있게 된다.However, the W-shaped groove is molded to form the sheet and the metal mesh in one piece so that the metal mesh can be easily fixed to the sheet. However, when the resin pipe is fused, the resin tube and the sheet melt due to the heat generation of the metal mesh. Since the protruding part is not melted as a whole during the process, there is a possibility that water leakage occurs in the unmelted part after fusion.

따라서 균일한 전원이 공급되며 시트와 수지관이 균일하게 용융된 후 융착되는 방법이 다양하게 제공되고 있으나 충족되는 제품이 제공되지 못하고 있는 실정이다.Therefore, a uniform power is supplied and a variety of methods for fusion after sheet and resin pipe are uniformly melted are provided, but a situation in which a satisfied product is not provided.

본 발명은 수지시트와 금속메쉬 및 덮개시트를 3중구조의 일체형 형태로 간편하게 제조할 수 있도록 하는 것이다.The present invention allows the resin sheet, the metal mesh and the cover sheet to be easily manufactured in an integrated form of a triple structure.

본 발명은 금속메쉬에 의하여 덮개시트와 수지시트 및 수지관이 균일하게 용융되어 융착되도록 하여 수밀이 보장되는 수지관의 융착이 가능하도록 하는 것이다.The present invention is to allow the cover sheet, the resin sheet and the resin tube to be uniformly melted and fused by a metal mesh to allow fusion of the resin tube to ensure watertightness.

본 발명은 수지시트의 상측으로 금속메쉬를 올려놓고 외부에서의 열원공급으로 수지시트의 표면을 부드럽게 한 후 상측으로 부드러운 수지로 성형된 덮개시트를 덮어서 일체형의 융착 연결시트를 제공함을 특징으로 하는 것이다.The present invention is characterized by providing a one-piece fusion splicing sheet by placing a metal mesh on the upper side of the resin sheet and softening the surface of the resin sheet by supplying a heat source from the outside and then covering the cover sheet formed of a soft resin on the upper side. .

도 1 은 본 발명의 분리상태 사시도1 is an exploded perspective view of the present invention

도 2 는 본 발명의 완성상태를 나타낸 일부 절결 사시도Figure 2 is a partially cutaway perspective view showing a completed state of the present invention

도 3 은 본 발명의 분리상태 정면도Figure 3 is an isolated front view of the present invention

도 4 는 본 발명의 주요부분에 대한 단면도4 is a cross-sectional view of an essential part of the present invention.

도 5 는 본 발명의 설치상태 단면도5 is a cross-sectional view of the installation state of the present invention

[도면의 주요 부분에 대한 부호의 설명][Description of Symbols for Main Parts of Drawing]

1 : 융착 연결시트2 : 수지시트1: fusion splicing sheet 2: resin sheet

3 : 금속메쉬4 : 덮개시트3: metal mesh 4: cover sheet

5 : 리드선6 : 연결단자5: lead wire 6: connection terminal

7, 7' ; 수지관7, 7 '; Resin tube

본 발명은 수지로 성형되어 직사각형의 형태로 이루어지며 수지관(7, 7')의 지름에 따라서 길이를 달리하는 수지시트(2)와,The present invention is made of a resin molded into a rectangular shape and the resin sheet (2) having a different length depending on the diameter of the resin pipe (7, 7 '),

상기 수지시트(2)의 상측에서 ㄷ형으로 형성되며 금속선을 메쉬와 같은 형태로 성형하거나, 금속판에 구멍을 성형하면서 잡아당겨 사각형의 구멍이 성형되도록 하는 라스와 같은 금속메쉬(3)와,A metal mesh (3), such as lath, formed in a c-shape on the upper side of the resin sheet (2) to form a metal wire in a mesh-like form, or by pulling while forming a hole in a metal plate to form a rectangular hole;

상기 수지시트(2)와 금속메쉬(3)의 상측으로 설치되며 비교적 부드러운 수지로 수지시트(2)와 같은 크기로 성형되는 덮개시트(4)로 이루어진 융착 연결시트(1)로 구성된다.The resin sheet 2 and the metal mesh 3 are installed on the upper side, and are composed of a fusion-spliced sheet 1 made of a cover sheet 4 formed of the same size as the resin sheet 2 with a relatively soft resin.

상기 수지시트(2)와 금속메쉬(3) 및 덮개시트(4)는 외부에서 공급되는 열원에 의하여 만지면 변형이 가능하도록 부드러운 상태로 변형된 후 외력에 의하여 일체형으로 성형되는 것이다.The resin sheet 2 and the metal mesh 3 and the cover sheet 4 are integrally formed by external force after being deformed in a soft state so as to be deformable when touched by a heat source supplied from the outside.

상기 금속메쉬(3)의 양측에는 리드선(5)이 연결되고 선단으로 연결단자(6)가 형성되어 외부에서 전류를 공급할 수 있도록 하는 것이다.The lead wires 5 are connected to both sides of the metal mesh 3, and a connecting terminal 6 is formed at the front end thereof to supply current from the outside.

이와 같이 성형된 융착 연결시트(1)는 연결되는 수지관(7, 7')을 맞대기 하여 한바퀴 감아서 외부를 금속판넬로 감싸서 강한 압력으로 누르고 있도록 한다.The fusion splicing sheet 1 thus formed is wound around the resin pipes 7 and 7 'to be connected to each other, wrapped around the outside with a metal panel, and pressed with a strong pressure.

외부에서 연결단자(6)에 전류를 공급하여 리드선(5)을 통하여 ㄷ형의 금속메쉬(3)가 발열되도록 한다.A current is supplied to the connection terminal 6 from the outside so that the c-type metal mesh 3 generates heat through the lead wire 5.

금속메쉬(3)가 발열되면서 수지시트(2)와 덮개시트(4) 및 수지관(7, 7')이 함께 서서히 용융이 이루어지며, 어느 정도 용융이 된 후 전류의 공급을 중지시켜 용융된 부분이 응고되도록 한다.As the metal mesh 3 heats up, the resin sheet 2, the cover sheet 4, and the resin tubes 7 and 7 'are gradually melted together, and after being melted to some extent, the molten metal is stopped by supplying current. Allow the part to solidify.

그러면 금속메쉬(3)가 위치하는 부분이 일치되는 수지시트(2)와 덮개시트(4) 및 수지관(7, 7')이 일체형으로 융착되는 것이다.Then, the resin sheet 2, the cover sheet 4, and the resin pipes 7 and 7 'where the portions where the metal meshes 3 are located coincide with each other are integrally fused.

이때 금속메쉬(3)는 전체면에 균일한 전류를 공급하여 전류가 접촉되는 부분을 용융시켜 전체면에서 균일한 융착이 이루어지도록 하는 것이다.At this time, the metal mesh 3 supplies a uniform current to the entire surface to melt a portion where the current is in contact so that uniform fusion is achieved on the entire surface.

상기 금속메쉬(3)를 대신하여 단선으로 이루어진 금속선을 수지시트(2)의 표면에 일정한 형태로 깔아서 만드는 것이 가능하다.Instead of the metal mesh 3, it is possible to make a metal wire made of a single wire on a surface of the resin sheet 2 in a predetermined form.

이하의 실시예에 의하여 융착 연결시트의 제조방법에 의하여 상세하게 설명하기로 한다.By the following examples will be described in detail by the manufacturing method of the fusion splicing sheet.

[실시예]EXAMPLE

① 수지시트 가열과정① Resin sheet heating process

사각형으로 성형된 수지시트(2)를 공급하여 100∼200℃의 온도를 유지하는 열풍을 수지시트(2)의 상부에 공급하여 가열한다.The resin sheet 2 molded into a quadrangle is supplied, and hot air maintaining a temperature of 100 to 200 ° C. is supplied to the upper portion of the resin sheet 2 and heated.

② 금속메쉬 결합과정② Metal Mesh Bonding Process

열풍에 가열된 수지시트(2)의 상측으로 ㄷ형의 금속메쉬(3)를 공급하여 수지시트(2)의 중앙에 위치하도록 한다.The c-shaped metal mesh 3 is supplied to the upper side of the resin sheet 2 heated to the hot air so as to be positioned at the center of the resin sheet 2.

③ 덮개시트 가열과정③ Cover sheet heating process

금속메쉬(3)가 결합된 수지시트(2)의 상측으로 비교적 부드러운 수지로 성형된 덮개시트(4)를 공급하여 금속메쉬(3)와 수지시트(2)를 덮도록 한 후 100∼200℃의 온도를 유지하는 열풍을 덮개시트(4)의 상부에 공급하여 가열한다.The cover sheet 4 formed of a relatively soft resin is supplied to the upper side of the resin sheet 2 to which the metal mesh 3 is bonded to cover the metal mesh 3 and the resin sheet 2, and then 100 to 200 ° C. Hot air to maintain the temperature of the heating sheet is supplied to the upper portion of the cover (4).

④ 합체과정④ Merging Process

수지시트(2)와 금속메쉬(3) 및 덮개시트(4)의 3단계로 적층시킨 후 일자형 로울러 또는 누름판을 통하여 덮개시트(4)의 전체면을 누른다.After laminating in three steps of the resin sheet (2) and the metal mesh (3) and the cover sheet (4), the entire surface of the cover sheet (4) is pressed through a straight roller or pressing plate.

이때 눌려지는 압력으로 공급되는 열원에 의하여 부드럽게 성형된 덮개시트(4)와 수지시트(2)가 일체형으로 연결되는 것이다.At this time, the cover sheet 4 and the resin sheet 2, which are softly formed by the heat source supplied at the pressure, are integrally connected.

또한 덮개시트(4) 또는 수지시트(2)가 금속메쉬(3)의 망 사이를 통과하여 상호 연결되며, 나머지 부분에서는 금속메쉬(3)와 상관없이 일체형으로 연결되어 용융 연결시트(1)를 제조할 수 있는 것이다.In addition, the cover sheet (4) or the resin sheet (2) is interconnected by passing between the mesh of the metal mesh (3), the remaining part is integrally connected regardless of the metal mesh (3) to connect the molten connection sheet (1) It can be manufactured.

본 발명은 수지시트와 금속메쉬 및 덮개시트에 열원을 공급하면서 외력에 의하여 일체형으로 성형되는 용융 연결시트를 간편하게 성형할 수 있는 것이다.The present invention can easily mold the molten connection sheet formed integrally by external force while supplying a heat source to the resin sheet and the metal mesh and the cover sheet.

본 발명은 일체형으로 성형되는 용융 연결시트를 통하여 수지관에 감아서 공급되는 전류에 의한 금속메쉬의 발열로 수지관과 덮개시트 및 수지시트가 일체형으로 용융되어 융착되도록 하는 것이다.The present invention is to allow the resin tube, the cover sheet and the resin sheet to be integrally melted and fused by heat generation of the metal mesh by the current supplied by winding the resin tube through the melt connection sheet formed integrally.

본 발명은 부드러운 수지로 이루어진 덮개시트를 통하여 전체면에서 균일하고 안정된 융착성능을 제공하는 것이다.The present invention is to provide a uniform and stable fusion performance in the entire surface through a cover sheet made of a soft resin.

Claims (2)

절단된 수지시트(2)를 공급하여 100∼200℃의 온도를 유지하는 열풍을 상부에 공급하여 가열하는 수지시트 가열과정과,A resin sheet heating process of supplying the cut resin sheet 2 and supplying hot air maintaining the temperature of 100 to 200 ° C. to the upper part, and heating the resin sheet 2; 가열된 수지시트(2)의 상측으로 금속메쉬(3)를 공급하는 금속메쉬 결합과정과,A metal mesh bonding process of supplying the metal mesh 3 to the upper side of the heated resin sheet 2, 수지시트(2)에 금속메쉬(3)를 결합시키고 상측으로 부드러운 덮개시트(4)를 적층시켜 100∼200℃의 온도를 유지하는 열풍을 덮개시트(4)에 공급하는 덮개시트 가열과정과,The cover sheet heating process of bonding the metal mesh 3 to the resin sheet 2 and laminating the soft cover sheet 4 to the upper side to supply hot air to the cover sheet 4 to maintain a temperature of 100 to 200 ° C .; 덮개시트(4)를 가열한 후 외부에서 덮개시트(4)를 강압하여 수지시트(2)와 금속메쉬(3) 및 덮개시트(4)가 일체형이 되도록 하는 합체과정을 통하여 성형됨을 특징으로 하는 수지관 융착용 연결시트의 성형방법.After the cover sheet 4 is heated, the cover sheet 4 is pushed out from the outside, and the resin sheet 2 and the metal mesh 3 and the cover sheet 4 are molded through a coalescing process so as to be integrated. Forming method of connecting sheet for fusion of resin pipe. 사각형의 수지시트(2)의 상측으로 금속메쉬(3)를 설치하며, 금속메쉬(3)의 상측으로 수지시트(2)와 동일한 크기의 덮개시트(4)를 올려놓고 열풍으로 가열한 후 강압하여 수지시트(2)와 금속메쉬(3) 및 덮개시트(4)가 일체형으로 구성됨을 특징으로 하는 수지관 융착용 연결시트의 구조.The metal mesh 3 is installed on the upper side of the rectangular resin sheet 2, the cover sheet 4 having the same size as the resin sheet 2 is placed on the upper side of the metal mesh 3, heated with hot air, and then pressed down. Resin sheet (2) and the metal mesh (3) and the cover sheet (4) is a structure of the connection sheet for resin pipe fusion, characterized in that the integral structure.
KR10-2001-0071125A 2001-11-15 2001-11-15 a KR100457257B1 (en)

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JPH0823111B2 (en) * 1994-06-16 1996-03-06 平岡織染株式会社 Heat-sealable waterproof sheet and heat-seal method
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