JPH0245978B2 - - Google Patents
Info
- Publication number
- JPH0245978B2 JPH0245978B2 JP58039503A JP3950383A JPH0245978B2 JP H0245978 B2 JPH0245978 B2 JP H0245978B2 JP 58039503 A JP58039503 A JP 58039503A JP 3950383 A JP3950383 A JP 3950383A JP H0245978 B2 JPH0245978 B2 JP H0245978B2
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- heat
- shrinkable
- thermoplastic resin
- laminated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
-
- 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
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/06—Making preforms having internal stresses, e.g. plastic memory
- B29C61/10—Making preforms having internal stresses, e.g. plastic memory by bending plates or sheets
-
- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/38—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor by liberation of internal stresses
- B29C63/40—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor by liberation of internal stresses using sheet or web-like material
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/022—Particular heating or welding methods not otherwise provided for
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
- B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
- B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
- B29C65/5007—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like characterised by the structure of said adhesive tape, threads or the like
- B29C65/5021—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like characterised by the structure of said adhesive tape, threads or the like being multi-layered
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
- B29C65/5042—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like covering both elements to be joined
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
- B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/49—Internally supporting the, e.g. tubular, article during joining
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7394—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoset
- B29C66/73941—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoset characterised by the materials of both parts being thermosets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/08—Copolymers of ethylene
- B29K2023/083—EVA, i.e. ethylene vinyl acetate copolymer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/06—PVC, i.e. polyvinylchloride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2083/00—Use of polymers having silicon, with or without sulfur, nitrogen, oxygen, or carbon only, in the main chain, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0049—Heat shrinkable
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】 本発明は被覆方法に関する。[Detailed description of the invention] The present invention relates to a coating method.
従来鋼管やケーブルの接続部、端部等を防食、
防水、保護するために、熱収縮性シートを巻き付
け、重ね合せ部に粘着剤層もしくはホツトメルト
接着剤層が設けられた固定用シートを積層し、粘
着剤もしくはホツトメルト接着剤で熱収縮性シー
トを固定し、しかるのち加熱収縮せしめることに
よつて被覆している。 Corrosion protection for conventional steel pipes and cable connections, ends, etc.
For waterproofing and protection, wrap a heat-shrinkable sheet, laminate a fixing sheet with an adhesive layer or hot-melt adhesive layer on the overlapping part, and fix the heat-shrinkable sheet with an adhesive or hot-melt adhesive. Then, it is covered by heating and shrinking.
しかしながら上記被覆方法では、熱収縮性フイ
ルムを加熱して収縮せしめるので、収縮の際に粘
着剤層もしくはホツトメルト接着剤層も加熱さ
れ、粘着もしくは接着部にズレが生じ剥離すると
いう欠点があつた。 However, in the above-mentioned coating method, since the heat-shrinkable film is heated to shrink, the pressure-sensitive adhesive layer or hot-melt adhesive layer is also heated during shrinkage, which causes the adhesive or adhesive portion to shift and peel.
本発明は上記欠点に鑑み、熱収縮性フイルムを
加熱して収縮せしめる際に、ズレが生じて剥離す
ることなく被覆する方法を提供せんとしてなされ
たものであつて、その要旨は、熱収縮性シート
を、両端部が重り合うかもしくは隣接するように
被覆対象物に巻付け、該重ね合せ部もしくは隣接
部に固定用熱可塑性樹脂シートを重ね合せ、該熱
可塑性シートの表側の両端部付近に設けられた火
薬層を燃焼することにより、該熱可塑性樹脂シー
トの両端部付近と上記熱収縮性シートの両端部付
近とを接着し、上記熱収縮性シートを加熱により
収縮せしめることを特徴とする被覆方法に存す
る。 In view of the above-mentioned drawbacks, the present invention has been made to provide a method for covering a heat-shrinkable film without causing any displacement or peeling when the heat-shrinkable film is heated and contracted. Wrap the sheet around the object to be coated so that both ends overlap or are adjacent to each other, overlap a thermoplastic resin sheet for fixing at the overlapping part or the adjacent part, and place the thermoplastic resin sheet near both ends on the front side of the thermoplastic sheet. By burning the provided gunpowder layer, the vicinity of both ends of the thermoplastic resin sheet and the vicinity of both ends of the heat-shrinkable sheet are bonded, and the heat-shrinkable sheet is contracted by heating. It depends on the coating method.
本発明における熱収縮性シートとしては熱収縮
性を有する任意のシートが使用でき、たとえばポ
リエチレン、ポリプロピレン、ポリ塩化ビニル、
エチレン−酢酸ビニル共重合体、エチレン−エチ
ルアクリレート共重合体、シリコンゴム、エチレ
ン−プロピレンゴム等で製されたシートを延伸加
工して加熱収縮性が付与されたシートがあげら
れ、該シートは架橋されていると耐熱性が向上す
るので好ましく、特に架橋ポリエチレンシートで
製されているのが好ましい。 As the heat-shrinkable sheet in the present invention, any heat-shrinkable sheet can be used, such as polyethylene, polypropylene, polyvinyl chloride,
Examples include sheets made of ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, silicone rubber, ethylene-propylene rubber, etc., which are given heat-shrinkability by stretching. It is preferable that the sheet be made of a crosslinked polyethylene sheet, since the heat resistance will be improved.
又火薬を燃焼することによつて接着する端部付
近をのぞいて熱収縮性シートの一面に、被覆対象
物との密着性、防水性、防食性等を向上せしめる
ために接着剤、粘着剤、防食材料等を積層しても
よい。 In addition, an adhesive, a pressure-sensitive adhesive, or a pressure-sensitive adhesive is applied to one surface of the heat-shrinkable sheet, except near the edges to be bonded by burning gunpowder, in order to improve adhesion to the object to be coated, waterproofness, corrosion resistance, etc. An anticorrosion material or the like may be laminated.
上記接着剤としては、たとえばエチレン−酢酸
ビニル共重合体、スチレン−ブタジエン共重合
体、スチレン−イソプレン共重合体、エチレン−
エチルアクリレート共重合体、ポリエチレン等を
主体とするホツトメルト型接着剤があげられ、上
記粘着剤としては天然ゴム、ブチルゴム、クロロ
プレン等を主体とするゴム系粘着剤、アクリル系
粘着剤などがあげられる。 Examples of the adhesive include ethylene-vinyl acetate copolymer, styrene-butadiene copolymer, styrene-isoprene copolymer, and ethylene-vinyl acetate copolymer.
Examples include hot-melt adhesives mainly made of ethyl acrylate copolymer, polyethylene, etc. Examples of the adhesive include rubber-based adhesives mainly made of natural rubber, butyl rubber, chloroprene, etc., and acrylic-based adhesives.
又上記防食材料としては、上記接着剤や粘着剤
はアスフアルトや防錆顔料を添加したもの、ペト
ロラタム等があげられる。 Examples of the anti-corrosion material include the adhesive or pressure-sensitive adhesive to which asphalt or anti-rust pigment is added, petrolatum, and the like.
本発明における熱可塑性樹脂シートは熱可塑性
を有する樹脂で製されたシートであればよいが、
上記熱収縮性シートと熱融着しやすいものが好ま
しく、たとえばポリエチレン、ポリプロピレン、
ポリ塩化ビニル、エチレン−酢酸ビニル共重合
体、エチレン−エチルアクリレート共重合体、シ
リコンゴム、エチレン−プロピレンゴム等があげ
られ、熱収縮性シートを構成する樹脂と同一の樹
脂で製されるのが好ましい。 The thermoplastic resin sheet in the present invention may be a sheet made of thermoplastic resin, but
It is preferable to use a material that can be easily heat-sealed with the above-mentioned heat-shrinkable sheet, such as polyethylene, polypropylene,
Examples include polyvinyl chloride, ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, silicone rubber, ethylene-propylene rubber, etc., and those made from the same resin that makes up the heat-shrinkable sheet are preferable.
本発明における火薬としては、たとえば黒色火
薬、無煙火薬等があげられ、火薬を厚紙等にしみ
こませて火薬層を形成してもよい。火薬層は固定
用の熱可塑性樹脂シートの表側の両端部付近に予
め設けられていてもよいし、熱可塑性樹脂シート
を、熱収縮性シートを被覆対象物に巻付けて形成
された重ね合せ部もしくは隣接部に重ね合せた後
設けられてもよい。 Examples of the gunpowder in the present invention include black gunpowder and smokeless gunpowder, and the gunpowder may be impregnated into cardboard or the like to form a gunpowder layer. The explosive layer may be provided in advance near both ends of the front side of the thermoplastic resin sheet for fixing, or the explosive layer may be provided in advance in the vicinity of both ends of the front side of the thermoplastic resin sheet for fixing, or in the overlapping part formed by wrapping the thermoplastic resin sheet and the heat-shrinkable sheet around the object to be covered. Alternatively, it may be provided after being superimposed on the adjacent portion.
又火薬を燃焼させた際に、熱が長時間たくわえ
られ、かつ均一に伝達されるように、アルミニウ
ム板、鋼板等の一面に火薬を積層した積層シート
として用いられるのが好ましい。 Further, it is preferable to use a laminated sheet in which the gunpowder is laminated on one side of an aluminum plate, a steel plate, etc. so that when the gunpowder is combusted, the heat is retained for a long time and is uniformly transmitted.
又熱可塑性樹脂シートの裏側には、熱収縮性シ
ートに仮着するために、火薬層を設ける部分を除
いて上述の粘着剤、接着剤等が積層されてもよ
い。 Further, the above-mentioned pressure-sensitive adhesive, adhesive, etc. may be laminated on the back side of the thermoplastic resin sheet, except for the portion where the explosive layer is provided, in order to temporarily attach it to the heat-shrinkable sheet.
次に図面を参照して本発明を説明する。第１図
は本発明の被覆方法を示す断面図である。図中１
は被覆する鋼管である。２は熱収縮性シートであ
り、一面に感圧性粘着剤層３が積層されている。
４は固定用の熱可塑性樹脂シートであり、表側の
両端部付近に鋼板５１，５１′の一面に火薬層５
２，５２′が積層された積層シート５，５′の鋼板
５１，５１′が熱可塑性樹脂シート４に当接する
ように設けられており、裏側の積層シート５，
５′が設けられていない部分に感圧性粘着剤層６
が積層されている。 Next, the present invention will be explained with reference to the drawings. FIG. 1 is a sectional view showing the coating method of the present invention. 1 in the diagram
is the steel pipe to be coated. 2 is a heat-shrinkable sheet, on one side of which a pressure-sensitive adhesive layer 3 is laminated.
4 is a thermoplastic resin sheet for fixing, and an explosive layer 5 is provided on one side of steel plates 51 and 51' near both ends of the front side.
The steel plates 51, 51' of the laminated sheets 5, 5' on which the sheets 2, 52' are laminated are provided so as to be in contact with the thermoplastic resin sheet 4, and the laminated sheets 5, 5' on the back side
A pressure sensitive adhesive layer 6 is provided on the part where 5' is not provided.
are layered.
被覆するには、まず熱収縮性シート２を粘着剤
層３が内側になり、両端部が重り合うように鋼管
１に巻きつけ、重ね合せ部２１に粘着剤層６が内
側になり、積層シート５が熱収縮性シート２の一
端部付近に位置し、積層シート５′が熱収縮性シ
ート２の他端部付近に位置するように熱可塑性樹
脂シート４を重ね合せて仮着する。次に火薬層５
２，５２′に着火すると、火薬の燃焼熱によつて
積層シート５，５′直下の熱可塑性シート４の両
端部付近と、熱収縮性シート２の両端部付近とが
接着される。接着部分が冷却後、熱収縮性シート
２全体をバーナー等によつて加熱し、収縮せしめ
ることによつて被覆は完了する。 To cover, first wrap the heat-shrinkable sheet 2 around the steel pipe 1 so that the adhesive layer 3 is on the inside and both ends overlap. The thermoplastic resin sheets 4 are overlapped and temporarily attached so that the laminated sheet 5' is located near one end of the heat-shrinkable sheet 2, and the laminated sheet 5' is located near the other end of the heat-shrinkable sheet 2. Next, gunpowder layer 5
When 2, 52' is ignited, the vicinity of both ends of the thermoplastic sheet 4 directly under the laminated sheets 5, 5' and the vicinity of both ends of the heat-shrinkable sheet 2 are bonded together by the combustion heat of the gunpowder. After the bonded portion has cooled, the entire heat-shrinkable sheet 2 is heated with a burner or the like to shrink it, thereby completing the covering.
なお熱収縮性シート２は端部が隣接するように
被覆対象物に巻付けてもよい。 Note that the heat-shrinkable sheet 2 may be wrapped around the object to be covered so that the ends thereof are adjacent to each other.
又熱収縮性シート２の接着をより確実にするた
めに第２図に示したようなはさみ治具を用いても
よい。図中５３及び５４は蝶番５５で接続された
硬質板状体であり、板状体５３の内側に積層シー
ト５の火薬層５２が当接するように積層されてい
る。このはさみ治具で熱収縮性シート２と熱可塑
性樹脂シート４を接着するには、熱収縮性シート
２と熱可塑性樹脂シート４と板状体５３及び５４
ではさみ、積層シート５を熱可塑性樹脂シート４
に押圧して、着火、燃焼せしめ、接着部が冷却後
取り除けばよい。 Further, in order to ensure the adhesion of the heat-shrinkable sheet 2, a scissor jig as shown in FIG. 2 may be used. In the figure, numerals 53 and 54 are hard plate-like bodies connected by a hinge 55, and the plate-like body 53 is laminated so that the explosive layer 52 of the laminated sheet 5 is in contact with the inside thereof. In order to bond the heat-shrinkable sheet 2 and the thermoplastic resin sheet 4 with this scissor jig, the heat-shrinkable sheet 2, the thermoplastic resin sheet 4 and the plate-shaped bodies 53 and 54 are bonded together.
Using scissors, attach the laminated sheet 5 to the thermoplastic resin sheet 4.
Press it to ignite and burn it, and remove it after the adhesive part has cooled.
本発明の構成は上述の通りであり、火薬を燃焼
することにより、熱可塑性樹脂シートの両端部付
近と、被覆対象物に巻付けられた熱収縮性シート
の両端部付近とを接着するのであるから、熱可塑
性樹脂と熱収縮性シートは確実かつ強固に接着さ
れ、熱収縮性シートを収縮する際にずれたり、剥
離することがなく、又施工も重ね合せて着火する
だけであり、容易である。 The structure of the present invention is as described above, and by burning gunpowder, the vicinity of both ends of the thermoplastic resin sheet and the vicinity of both ends of the heat-shrinkable sheet wrapped around the object to be covered are bonded. Therefore, the thermoplastic resin and the heat-shrinkable sheet are reliably and firmly bonded, and the heat-shrinkable sheet does not shift or peel off when it is shrunk.In addition, the installation process is easy, as it is simply layered and ignited. be.
次に本発明を実施例により説明する。 Next, the present invention will be explained by examples.
実施例 １
厚さ1.2mmの架橋ポリエチレン製熱収縮性シー
トの一面にブチルゴムを主体とする粘着剤層を積
層し、第１図に示したように両端部が重り合うよ
うに鋼管に巻付けた。Example 1 An adhesive layer mainly composed of butyl rubber was laminated on one side of a crosslinked polyethylene heat-shrinkable sheet with a thickness of 1.2 mm, and the sheet was wrapped around a steel pipe so that both ends overlapped as shown in Figure 1. .
次に表側両端部付近に、巾５mm、厚さ0.1mmの
鋼板に巾５mm、厚さ５mmの厚紙に無煙火薬をしみ
込ませた火薬層を積層した積層シートが積層さ
れ、裏側に、両端部付近５mm巾を残してブチルゴ
ムを主体とする粘着剤層が形成された、架橋ポリ
エチレンシートを第１図に示すように重ね合せ、
火薬層に着火し、燃焼直後に積層シートの上から
鋼鉄製ロールで圧着して、架橋ポリエチレンシー
トの両端部と上記熱収縮性シートの両端部付近を
熱融着した。 Next, near both ends of the front side, a laminated sheet consisting of a steel plate 5 mm wide and 0.1 mm thick with a layer of gunpowder impregnated with smokeless gunpowder on a cardboard 5 mm wide and 5 mm thick is laminated, and on the back side, near both ends. As shown in Figure 1, crosslinked polyethylene sheets on which an adhesive layer mainly made of butyl rubber was formed were stacked, leaving a width of 5 mm.
Immediately after the gunpowder layer was ignited and burned, it was pressed onto the laminated sheet with a steel roll to heat-seal both ends of the crosslinked polyethylene sheet and the vicinity of both ends of the heat-shrinkable sheet.
融着部分が冷却後、プロパンガスバーナーで熱
収縮性シートを加熱したところ融着部分がずれた
り、粘着剤がしみでることなく均一に収縮し、鋼
管を被覆することができた。又収縮後被覆部分を
水に浸漬しても被覆部分に水が浸透することはな
かつた。 After the fused portion was cooled, the heat-shrinkable sheet was heated with a propane gas burner, and the fused portion shrunk uniformly without shifting or seeping out of the adhesive, making it possible to cover the steel pipe. Further, even when the coated portion was immersed in water after shrinkage, water did not penetrate into the coated portion.
実施例 ２
厚さ1.2mmの架橋エチレン−酢酸ビニル共重合
体製熱収縮性シートの一面にエチレン−酢酸ビニ
ル共重合体を主体とするホツトメルト製接着剤層
を積層し、第１図に示したように、両端部が重り
合うように鋼管に巻きつけ、裏側に、両端部付近
５mm巾を残してエチレン−酢酸ビニル共重合体を
主体とするホツトメルト型接着剤層を積層した架
橋エチレン−酢酸ビニル共重合体シートを上記重
ね合せ部に重ね合せた。Example 2 A hot-melt adhesive layer mainly composed of ethylene-vinyl acetate copolymer was laminated on one side of a heat-shrinkable cross-linked ethylene-vinyl acetate copolymer sheet with a thickness of 1.2 mm, as shown in FIG. Cross-linked ethylene-vinyl acetate is wrapped around a steel pipe so that both ends overlap, and a hot-melt adhesive layer mainly composed of ethylene-vinyl acetate copolymer is laminated on the back side, leaving a width of 5 mm near both ends. The copolymer sheet was superimposed on the above overlapped portion.
次に第２図に示したように、巾５mm厚さ0.1mm
の鋼板に、巾５mm厚さ５mmの厚紙に無煙火薬をし
み込ませた火薬層を積層した積層シートの火薬層
を巾10mmの鉄製板状体に固定して作成したはさみ
治具で、上記共重合体シートの一端部と熱収縮性
シートの一端部を鋼板が共重合体シートに当接す
るようにはさみ、火薬層に着火し、燃焼して共重
合体シートの一端部と熱収縮性シートの一端部を
熱融着し、同様にして共重合体シートの他端部と
熱収縮性シートの他端部を熱融着した。 Next, as shown in Figure 2, the width is 5 mm and the thickness is 0.1 mm.
A scissor jig is made by fixing the gunpowder layer of a laminated sheet made by laminating a gunpowder layer of 5mm wide and 5mm thick cardboard impregnated with smokeless gunpowder on a steel plate with a width of 10mm to a steel plate with a width of 10mm. One end of the combined sheet and one end of the heat-shrinkable sheet are sandwiched so that the steel plate is in contact with the copolymer sheet, and the gunpowder layer is ignited and burned, resulting in one end of the copolymer sheet and one end of the heat-shrinkable sheet. The other end of the copolymer sheet and the other end of the heat-shrinkable sheet were similarly heat-sealed.
はさみ治具が冷却後、はさみ治具を取り除き、
プロパンガスバーナーで熱収縮性フイルムを加熱
したところ重ね合せ部がずれることなく均一に収
縮し、鋼管を被覆することができた。 After the scissor jig has cooled, remove the scissor jig.
When the heat-shrinkable film was heated with a propane gas burner, the overlapping portions shrunk uniformly without shifting, and the steel pipe could be coated.
第１図は本発明の被覆方法の一例を示す断面図
であり、第２図は本発明で使用するのに好適なは
さみ治具の一例を示す側面図である。
１……鋼管、２……熱収縮性シート、４……熱
可塑性樹脂シート、５……積層シート、５１……
鋼板、５２……火薬層。
FIG. 1 is a sectional view showing an example of the coating method of the present invention, and FIG. 2 is a side view showing an example of a scissor jig suitable for use in the present invention. 1... Steel pipe, 2... Heat shrinkable sheet, 4... Thermoplastic resin sheet, 5... Laminated sheet, 51...
Steel plate, 52... gunpowder layer.
Claims (1)
くは隣接するように被覆対象物に巻付け、該重ね
合せ部もしくは隣接部に固定用熱可塑性樹脂シー
トを重ね合せ、該熱可塑性樹脂シートの表側の両
端部付近に設けられた火薬層を燃焼することによ
り、該熱可塑性樹脂シートの両端部付近と上記熱
収縮性シートの両端部付近とを接着し、上記熱収
縮性シートを加熱により収縮せしめることを特徴
とする被覆方法。1 Wrap a heat-shrinkable sheet around the object to be coated so that both ends overlap or are adjacent to each other, overlap a fixing thermoplastic resin sheet on the overlapping portion or the adjacent portion, and place the thermoplastic resin sheet on the front side of the thermoplastic resin sheet. By burning the gunpowder layer provided near both ends of the thermoplastic resin sheet, the vicinity of both ends of the thermoplastic resin sheet and the vicinity of both ends of the heat-shrinkable sheet are bonded, and the heat-shrinkable sheet is shrunk by heating. A coating method characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58039503A JPS59164114A (en) | 1983-03-09 | 1983-03-09 | Coating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58039503A JPS59164114A (en) | 1983-03-09 | 1983-03-09 | Coating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59164114A JPS59164114A (en) | 1984-09-17 |
| JPH0245978B2 true JPH0245978B2 (en) | 1990-10-12 |
Family
ID=12554845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58039503A Granted JPS59164114A (en) | 1983-03-09 | 1983-03-09 | Coating method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59164114A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109651670A (en) * | 2018-12-31 | 2019-04-19 | 安徽天康(集团)股份有限公司 | A kind of mica tape mineral insulation ripple copper sheath cable |
-
1983
- 1983-03-09 JP JP58039503A patent/JPS59164114A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59164114A (en) | 1984-09-17 |
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