JPH0874390A - 防水シート施工法 - Google Patents

防水シート施工法

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Publication number
JPH0874390A
JPH0874390A JP21502294A JP21502294A JPH0874390A JP H0874390 A JPH0874390 A JP H0874390A JP 21502294 A JP21502294 A JP 21502294A JP 21502294 A JP21502294 A JP 21502294A JP H0874390 A JPH0874390 A JP H0874390A
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JP
Japan
Prior art keywords
conductor piece
waterproof sheet
sheet
material layer
waterproofing
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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.)
Granted
Application number
JP21502294A
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English (en)
Other versions
JP3495792B2 (ja
Inventor
Shu Inoue
周 井上
Yasuharu Katsuma
康晴 勝間
Ryoichi Yamabe
亮一 山部
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Architectural Yamade Corp
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Architectural Yamade Corp
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Priority to JP21502294A priority Critical patent/JP3495792B2/ja
Publication of JPH0874390A publication Critical patent/JPH0874390A/ja
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Publication of JP3495792B2 publication Critical patent/JP3495792B2/ja
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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
    • 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
    • B29C65/44—Joining a heated non plastics element to a plastics element
    • B29C65/46—Joining a heated non plastics element to a plastics element heated by induction
    • 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
    • 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
    • B29C66/03—After-treatments in the joint area
    • B29C66/034—Thermal after-treatments
    • B29C66/0342—Cooling, e.g. transporting through welding and cooling zone
    • 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
    • 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
    • B29C66/343—Making tension-free or wrinkle-free 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
    • 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
    • B29C66/70—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
    • B29C66/72—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 structure of the material of the parts to be joined
    • B29C66/723—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 structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—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 structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72321—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 structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of metals or their alloys
    • 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
    • B29C66/731—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 intensive physical properties of the material of the parts to be joined
    • B29C66/7318—Permeability to gases or liquids
    • B29C66/73185—Permeability to gases or liquids non-permeable
    • B29C66/73187—Permeability to gases or liquids non-permeable to liquids
    • 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
    • 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
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
    • B29C66/7428—Transition metals or their alloys
    • B29C66/74283—Iron or alloys of iron, e.g. steel
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8161—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps said pressing elements being supported or backed-up by springs or by resilient 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/861—Hand-held tools
    • B29C66/8612—Ironing tool type
    • 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
    • B29C66/45—Joining of substantially the whole surface of the 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
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/474—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat
    • 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
    • B29C66/71—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
    • B29C66/712—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 the composition of one of the parts to be joined being different from the composition of the other part
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/10—Building elements, e.g. bricks, blocks, tiles, panels, posts, beams
    • B29L2031/108—Roofs

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • General Induction Heating (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

(57)【要約】 【目的】 防水シート２を防水下地１に電磁誘導加熱に
より熱溶着材層５を介して接着固定する際、その接着部
の防水シート２の熱変形を防止する。 【構成】 防水下地１の所要位置に、上面に熱溶着材層
５を有する導体片３を設ける。この下地１全面に亘って
その全面を被う防水シート２を張り、防水シート２上か
ら電磁誘導加熱により導体片３を加熱し、溶けた熱溶着
材層５でもって防水シート２を導体片３に接着する。つ
づけて、その接着部に水を含ませた布１６を当てがって
強制冷却を行う。この冷却により、熱溶着材層５が速や
かに固化して強化に固着するとともに、防水シート２の
昇温が阻止され、その熱変形が防止される。

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】この発明は、建築又は土木用の防
水工事に用いる防水シートの施工法に関する。
【０００２】
【技術的背景】従来、建築工事又は土木工事の防水作
業、例えば陸屋根等の防水工事において、コンクリート
などの躯体上に防水シートを張り、そのシートを躯体上
に固定する施工法として、例えば特開平４−２５４６４
９号公報などで開示の電磁誘導加熱によってその固定を
行う技術がある。
【０００３】この技術は、図１乃至図４を参照して説明
すると、図１に示すように、まず防水下地（躯体上面）
１の周縁を、長尺状の鉄片等の導体片３’で囲み、その
内側には所要位置に導体片３を設け、これらの導体片
３’、３（以下、両者を３とする）は、図２で示すよう
に、アンカー釘４等で下地１に止める。
【０００４】つぎに、下地１上に、防水シート２を置
き、図４に示すように、各導体片３上において、溶着工
具６による電磁誘導によって導体片３を発熱させ、この
発熱により、熱溶着剤層５を溶かして防水シート２を導
体片３に接着し、この導体片３、アンカー釘４を介して
下地１に固定する。
【０００５】
【発明が解決しようとする課題】この電磁誘導加熱によ
る防水シート２の固定において、導体片３は２００℃程
度まで昇温し、一方、通常の防水シート２の溶融温度は
２００℃以下のため、図９に示すように、その導体片３
の熱によって防水シート２が溶けて変形（符号ａ）する
場合がある。夏場は、外気温が高いため冷却速度も遅
く、その変形の恐れは多い。防水シート２の変形は防水
性の劣化につながり好ましくない。また、熱溶着剤層５
の冷却速度が遅いと、防水シート２が動くなどによって
固着力に問題が生じる場合がある。
【０００６】この発明の課題は、上記防水シートの変形
をなくし、かつ強固に固着することを課題とする。
【０００７】
【課題を解決するための手段】上記の課題を解決するた
めに、この発明にあっては、前述の電磁誘導加熱によっ
て防水シートを導体片に接着した後、その接着部を強制
冷却して固定する構成としたのである。
【０００８】その強制冷却手段としては、水を含ませた
布、氷袋などでその接着部を押さえる、等の各種の手段
を採用し得る。
【０００９】
【作用】このように構成するこの発明に係る防水工法に
あっては、熱溶着材層の溶解によって防水シートと導体
片が接着後、その接着部が強制冷却されるため、その部
分の熱が速やかに奪われ、熱溶着材層が速やかに固化し
て強固に固着するとともに、防水シートの昇温が阻止さ
れてその熱変形が防止される。
【００１０】
【発明の効果】この発明は以上のように構成し、上記作
用によって下記の効果を発揮する。
【００１１】 強制冷却によって、防水シートの熱変
形が防止され、かつ強固に接着固定されて、防水効果の
劣化を招くことがない。
【００１２】
【実施例】図１に示すように、まず防水下地１の周縁
を、２mm厚程度の長尺状の鉄片等の導体片３’で囲み、
その内側にはディスク状の導体片３をそれぞれアンカー
釘４を介して設ける。この内側の導体片３は、例えば周
辺部を５００mmピッチｔで２列（２．７５個／ｍ2 ）、
その内側を１０００mmピッチＴで千鳥足状（２．０個／
ｍ2 ）でそれぞれ配置する。
【００１３】内側の導体片３は、図２、図５に示すよう
に、ステンレス製基材３ａを皿状にプレス成形し、その
表面にポリエステル樹脂等の溶けて接着性を発揮する熱
可塑性合成樹脂５をホットメルト法などで被覆したもの
である。その形状・大きさは任意である。因みに、この
種の接着性樹脂５を被覆したステンレス板は、この表面
にＡＢＳ樹脂板、ＰＶＣ樹脂板を張合せ、自動車、家電
製品、建築材の内外装に使用されている周知のものであ
る。このため、その樹脂コーティングのステンレス板か
ら、打抜きプレスによって導体片３を得る。
【００１４】一方、前もって、工場又は現場で、所要幅
のロール状シートをその側縁で接合して、下地１の上面
と同形の防水シート２を作り、前記導体片３が取り付け
られた下地１に、その防水シート２を置いて十分な位置
決めやカッティングによる微調整を行い、防水シート２
上から、各導体片３上に、図３、４で示す溶着工具６を
当てる。この溶着工具６は内部に誘導コイルが設けられ
ており、誘導コイルは、交番電流により励磁され、その
発生磁界の電磁誘導作用により、導体片３にうず電流を
生じさせる。このため、導体片３はうず電流損により発
熱し、上面の接着性樹脂５が溶けて、防水シート２を接
着する。
【００１５】溶着工具６は、図３に示すように、高周波
電磁誘導加熱装置１０によって、給電・制御され、把持
部６ａ下面のスイッチ７を押すことによって誘導コイル
に給電される。また、押圧面には耐熱性のシリコーンゴ
ム８が設けられており、このシリコーンゴム８の弾性変
形によって、防水シート２が導体片３の全表面にその凹
凸に添ってぴったり当接して強固に接着固定する。シリ
コーンゴム８に代えて他の耐熱性弾性材を使用し得る。
図中、９は加熱中の表示ランプである。
【００１６】電磁誘導加熱装置１０は、ケーシング１１
内に電源回路、制御盤等を組み込んだものであり、その
表面に、電源ランプ１２ａ、加熱準備中ランプ１２ｂ、
加熱中ランプ１２ｃ、オーバーヒートランプ１２ｄ、電
源スイッチ１３、出力切換スイッチ１４及び温度表示器
１５が設けられている。
【００１７】温度表示器１５は、その長さ方向に異なる
温度によって変色する素子を並列した周知のものであっ
て、この表示によって、出力切換スイッチ１４を、
“強”、“中”、“弱”に適宜に切換える。すなわち、
周囲温度が高ければ、“弱”にする。
【００１８】また、電磁誘導加熱装置１０は、溶着工具
６への通電時間を、最適なものとするように適宜に設定
可能であり、例えば、スイッチ７による給電後、８秒間
でその給電を停止し、溶着工具６内のブザーを鳴らすと
ともに、ランプ９を消灯する。
【００１９】電磁誘導加熱による上記各導体片３への防
水シート２の接着が終了すれば（上記８秒間が経過して
ランプ９が消灯すれば）、その都度、図６に示すよう
に、水を含ませた布１６をその接着部に当てがって、強
制冷却を行う。この冷却によって、接着部の熱が奪わ
れ、接着性樹脂５が速やかに固化して強固に固着すると
ともに、防水シート２の昇温が阻止されて、その熱変形
が防止される。
【００２０】水を含ませた布１６に代えて、図７及び図
８に示す冷却具２０、３０を採用し得る。図７に示すも
の２０は、断熱材２１を介在したケース２２内にシリコ
ーンシートなどの耐熱性シートからなる袋２３を取付
け、この袋２３に氷２４入りの水２５を入れたものであ
る。その袋２３の底面を、図７のごとく接着部に当てが
って冷却する。
【００２１】図８に示すもの３０は、ケース３１内にピ
ストン３２を設け、このピストン３２内に氷３４入りの
水３５を入れ、その水３５を透孔３６を通して耐熱性ス
ポンジ３３に導き、ピストン３２をばね３７を介して押
し杆３６により押すようにしたものである。同図（ａ）
に示すように、スポンジ３３を接着部に当てがい、同図
（ｂ）に示すように、押杆３６を押すと、スポンジ３３
が接着部に確実に押し付けられてその中の水が冷却作用
を行う。このとき、水３５はピストン３２の外側面の隙
間３２ａからピストン３２内に循環する。このため、同
図（ａ）のようにスポンジ３３が復帰（膨張）すると、
冷えた新しい水がスポンジ３３内に入り、スポンジ３３
の温度上昇が極力抑えられる。
【図面の簡単な説明】
【図１】この発明に係る一実施例の斜視図
【図２】図１の要部断面図
【図３】電磁誘導加熱装置及び溶着工具の斜視図
【図４】同実施例の作用説明図
【図５】導体片の正面斜視図
【図６】同実施例の作用説明図
【図７】他の実施例の要部断面図
【図８】他の実施例の作用説明用断面図
【図９】従来例の要部断面図
【符号の説明】
１ 防水下地 ２ 防水シート ３、３’ 導体片 ５ 熱溶着材層（接着性樹脂） ６ 溶着工具 ７ スイッチ ８ シリコーンゴム ９ 加熱中表示ランプ １０ 電磁誘導加熱装置 １１ ケーシング １２ａ、１２ｂ、１２ｃ、１２ｄ ランプ １３ 電源スイッチ １４ 出力切換スイッチ １５ 温度表示器 １６ 水を含ませた布 ２０、３０ 強制冷却具 ２４、３４ 氷 ２５、３５ 水 ２３ 耐熱シート袋 ３３ スポンジ

Claims (1)

    【特許請求の範囲】
  1. 【請求項１】 防水下地１の所要位置に、上面に熱溶着
    材層５を有する導体片３を設け、前記下地１全面に亘っ
    てその全面１を被う防水シート２を張り、その防水シー
    ト２上から電磁誘導加熱により、前記導体片３を加熱
    し、この熱により溶けた熱溶着材層５でもって前記防水
    シート２を導体片３に接着した後、その接着部を強制冷
    却して固定することを特徴とする防水シート施工法。
JP21502294A 1994-09-08 1994-09-08 防水シート施工法 Expired - Lifetime JP3495792B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21502294A JP3495792B2 (ja) 1994-09-08 1994-09-08 防水シート施工法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21502294A JP3495792B2 (ja) 1994-09-08 1994-09-08 防水シート施工法

Publications (2)

Publication Number Publication Date
JPH0874390A true JPH0874390A (ja) 1996-03-19
JP3495792B2 JP3495792B2 (ja) 2004-02-09

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998005728A1 (en) * 1996-08-05 1998-02-12 Senco Products, Inc. Adhesive device
WO1998005725A1 (en) * 1996-08-05 1998-02-12 Senco Products, Inc. Method of adhering sheet goods to a work surface
JP2011104545A (ja) * 2009-11-19 2011-06-02 Kfc Ltd 止水シートの溶着品質管理装置
JP2018168658A (ja) * 2017-03-30 2018-11-01 アーキヤマデ株式会社 圧着パッド
JP2020197104A (ja) * 2019-06-05 2020-12-10 アーキヤマデ株式会社 誘導加熱溶着装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5385655B2 (ja) * 2009-03-26 2014-01-08 アーキヤマデ株式会社 防水シート押さえパット
SI3589907T1 (sl) 2017-02-28 2022-08-31 SFS Group International AG Razporeditev odvodnika toplote z magnetno vpenjalno napravo

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998005728A1 (en) * 1996-08-05 1998-02-12 Senco Products, Inc. Adhesive device
WO1998005725A1 (en) * 1996-08-05 1998-02-12 Senco Products, Inc. Method of adhering sheet goods to a work surface
JP2011104545A (ja) * 2009-11-19 2011-06-02 Kfc Ltd 止水シートの溶着品質管理装置
JP2018168658A (ja) * 2017-03-30 2018-11-01 アーキヤマデ株式会社 圧着パッド
JP2020197104A (ja) * 2019-06-05 2020-12-10 アーキヤマデ株式会社 誘導加熱溶着装置

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