JPH0562552B2 - - Google Patents

Info

Publication number
JPH0562552B2
JPH0562552B2 JP1017890A JP1017890A JPH0562552B2 JP H0562552 B2 JPH0562552 B2 JP H0562552B2 JP 1017890 A JP1017890 A JP 1017890A JP 1017890 A JP1017890 A JP 1017890A JP H0562552 B2 JPH0562552 B2 JP H0562552B2
Authority
JP
Japan
Prior art keywords
plastic magnet
sheet
sheet material
magnetic
plastic
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
Application number
JP1017890A
Other languages
English (en)
Other versions
JPH03215277A (ja
Inventor
Isamu Masuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NIPPON KENKO ZOSHIN KENKYUKAI
NIPPON KENKO ZOSHIN KENKYUKAI KK
Original Assignee
NIPPON KENKO ZOSHIN KENKYUKAI
NIPPON KENKO ZOSHIN KENKYUKAI KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NIPPON KENKO ZOSHIN KENKYUKAI, NIPPON KENKO ZOSHIN KENKYUKAI KK filed Critical NIPPON KENKO ZOSHIN KENKYUKAI
Priority to JP2010178A priority Critical patent/JPH03215277A/ja
Priority to ES90403731T priority patent/ES2055383T3/es
Priority to EP19900403731 priority patent/EP0437999B1/en
Priority to PT96488A priority patent/PT96488B/pt
Publication of JPH03215277A publication Critical patent/JPH03215277A/ja
Publication of JPH0562552B2 publication Critical patent/JPH0562552B2/ja
Granted legal-status Critical Current

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
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
    • A47G9/02—Bed linen; Blankets; Counterpanes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N2/00—Magnetotherapy
    • A61N2/06—Magnetotherapy using magnetic fields produced by permanent magnets
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • 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
    • B29C65/40—Applying molten plastics, e.g. hot melt
    • 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
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • 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
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/681—Component parts, details or accessories; Auxiliary operations
    • B29C70/683—Pretreatment of the preformed part, e.g. insert
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G2200/00—Details not otherwise provided for in A47G
    • A47G2200/10—Magnetism
    • A47G2200/106—Permanent
    • 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
    • B29C2043/189—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 the parts being 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
    • 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
    • B29C65/4865—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding containing additives
    • 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
    • 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
    • B29C66/72—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
    • B29C66/727—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 porous, e.g. foam
    • 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
    • B29C66/7316—Surface properties
    • B29C66/73161—Roughness or rugosity
    • 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
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • 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
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3055—Cars
    • B29L2031/3061—Number plates

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Composite Materials (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Magnetic Treatment Devices (AREA)

Description

【発明の詳細な説明】 〈産業上の利用分野〉 この発明は、主として磁気掛け布団や磁気敷き
布団のような健康増進用の寝具に関連する技術で
あつて、殊にこの発明は、この種寝具の充填材と
して用いられる磁気シートを製作するための製法
に関する。
〈従来の技術〉 従来、この種磁気シートとして、クツシヨン材
や布材のようなシート材の表面に複数のプラスチ
ツク磁石を取り付けた構造のものが提案されてい
る。
これらプラスチツク磁石の取付には、シート材
の表面に接着剤を用いて接着する方法の他に、各
プラスチツク磁石に設けた凹穴へシート材を挟ん
で反対側よりストツパの軸部を差し込んで各プラ
スチツク磁石を止着するなどの方法がとられてい
る。
〈発明が解決しようとする問題点〉 しかしながら接着剤による前者の方法の場合、
プラスチツク磁石がシート材より剥離して脱落し
易く、製品の寿命が短かくなるなどの問題があ
る。
またストツパによる後者の方法の場合、ストツ
パの軸部が折れたり、凹穴から抜けたりして、同
様にプラスチツク磁石が脱落するばかりでなく、
ストツパの分だけ重量が嵩むための、特に磁気掛
け布団の軽量化を阻害する要因となる。
この発明は、上記問題に着目してなされたもの
で、シート材よりプラスチツク磁石が脱落せず、
しかも寝具の軽量化に貢献する磁気シートの製法
を提供することを目的とする。
〈問題点を解決するための手段〉 この発明は、複数のプラスチツク磁石をシート
材の表面に接着して磁気シートを製作する方法で
あつて、各プラスチツク磁石のシート材への接合
面に薬品処理を施して樹脂基材が浸食されかつ磁
性粉末粒子が突出した粗面を生成する表面処理工
程と、各プラスチツク磁石の前記粗面にホツトメ
ルト接着剤を塗布する接着剤塗布工程と、各プラ
スチツク磁石につき接着剤の塗布面をシート材の
表面に当てた後、シート材と各プラスチツク磁石
との間を加温状態で加圧して接着する接着工程と
を一連に実施して磁気シートを製作することを特
徴とする。
〈作用〉 プラスチツク磁石に粗面を形成するので、ホツ
トメルト接着剤の塗布面積が大幅に増大し、しか
も接着剤は複雑に入り組んだ浸食部分に入り込む
ことになる。このため接着剤とプラスチツク磁石
との結合強度はきわめて大きくなり、プラスチツ
ク磁石の表面で接着剤が剥離する虞がなく、プラ
スチツク磁石の脱落が防止される。しかもシート
材へのプラスチツク磁石の取付にストツパのよう
な余分な部材を用いないので、製品の軽量化にも
貢献する。
〈実施例〉 第１図および第２図は磁気掛け布団Ａを示して
おり、複数のプラスチツク磁石１を有する磁気シ
ート２の上下をカバー布３で覆い、各プラスチツ
ク磁石１を避けて縫い糸４によりキルテイング加
工が施してある。
前記磁気シート２は、軟質ウレタンフオームよ
り成るシート材５の下面に半球状をなす複数のプ
ラスチツク磁石１をホツトメルト接着剤６を用い
て整列状態で接着した構造のものである。
各プラスチツク磁石１は、ナイロンのような合
成樹脂基材にバリウムフエライト、ストロンチウ
ムフエライトなどの磁性粉末を混入させたプラス
チツク磁性材料（例えば製品名「コンデイツク」、
大日本インキ化学工業株式会社製）を、射出成形
などの方法で型成形した後、或いは型成型と同時
に、着磁処理を施して形成される。
またホツトメルト接着剤６は、熱可塑性脂、粘
着付与剤、ワツクス類などを構成成分とし、さら
に必要に応じて酸化防止剤、充填剤を配合した多
成分系接着剤である。主成分の熱可塑性樹脂とし
てエチレン−酢酸ビニルコポリマー、ポリアミド
などが、また粘着付与剤としてロジンおよびロジ
ン誘導体、ビネン系樹脂などが、さらにワツクス
類としてパラフインワツクス、マイクロクリスタ
リンワツクスなどが、それぞれ用いられる。
第３図は、この発明の製法にかかる上記磁気シ
ート２の製作手順を示すもので、同図のステツプ
１（図中「ST1」で示す）において、各プラスチ
ツク磁石１の平坦面に所定の化学薬品を用いて表
面処理を施すことにより適当な厚みだけ樹脂基材
が浸食されかつ対応する厚みだけ磁性粉末粒子が
突出した粗面を生成する。ここで化学薬品として
は塩酸、硫酸などの強酸の他に、フエノールのよ
うな弱酸や、オゾンなども使用可能である。この
表面処理工程が完了すると、つぎのステツプ２で
ホツトメルト接着剤を加熱溶融し、この接着剤を
溶融状態で各プラスチツク磁石１の粗面に塗布す
る。
第４図、プラスチツク磁石１の接着剤塗布面の
状態を拡大して表しており、図中、１ａ，１ｂは
プラスチツク磁石１における樹脂基材および磁性
粉末粒子を、６はホツトメルト接着剤を、それぞ
れ示している。同図によれば、プラスチツク磁石
１の表面は樹脂基材１ａの浸食部分と磁性粉末粒
子１ｂの突出部分とで粗面となつており、この複
雑に入り組んだ浸食部分にホツトメルト接着剤６
が入り込んでいる。なおホツトメルト接着剤６は
プラスチツク磁石１への塗布後は自然冷却により
固化している。
ステツプ２の接着剤の塗布工程が終わると、つ
ぎにステツプ３へ移行し、接着剤がが塗布された
複数のプラスチツク磁石１を、第５図１に示すよ
うな金属製の支持板７上に接着剤の塗布面を上に
向けて整列配置する。この支持板７は、その上面
に曲面状をなす複数の凹穴８を備えており、各凹
穴８にプラスチツク磁石１の半球面を嵌めて位置
決めするようになつている。
全てのプラスチツク磁石１を配置した後、この
支持板７上にシート材５を位置させ、その上面へ
熱板９を降下させる。この熱板９はホツトメルト
接着剤が溶融する温度に加熱されており、第５図
２に示すようにシート材５を熱板９と支持板７と
の間で挟み付けることにより、シート材５と各プ
ラスチツク磁石１との間が加温状態で加圧され、
これによりホツトメルト接着剤が加熱溶融して各
プラスチツク磁石１がシート材５に接着する（ス
テツプ４）。
ついで熱板９を第５図３のように上昇させる
と、ホツトメルト接着剤は自然冷却により固化
し、各プラスチツク磁石１はシート材５の表面に
一体固化され、磁気シート２が完成する（ステツ
プ５）。
第６図は、上記磁気シート２の他の適用例を示
す。
図示例のものは磁気敷き布団Ｂであつて、合成
樹脂製の波板１０を中央に挟んでその上面へ磁気
シート２を、下面へクツシヨンシート１１を、そ
れぞれ重ねると共に、その全体をカバー布１２で
被覆した構造のものである。前記磁気シート２は
クツシヨンシート１１と同じシート材５の表面に
ホツトメルト接着剤を用いて複数のプラスチツク
磁石１を接着して成るものである。
〈発明の効果〉 この発明は上記の如く、各プラスチツク磁石に
薬品処理を施して粗面を生成した後、その粗面に
ホツトメルト接着剤を塗布して各プラスチツク磁
石をシート材に当て、各プラスチツク磁石とシー
ト材との間を加温状態で加圧することにより各プ
ラスチツク磁石を接着するようにしたから、接着
剤とプラスチツク磁石との結合強度はきわめて大
きくなり、プラスチツク磁石のシート材からの脱
落を防止できる。またシート材へのプラスチツク
磁石の取付にストツパのような別部材を用いない
から、製品の軽量化が可能であり、この磁気シー
トを磁気掛け布団に用いることができるなど、発
明目的を達成した顕著な効果を奏する。
【図面の簡単な説明】
第１図は磁気掛け布団の斜面図、第２図はその
断面図、第３図はこの発明の製法にかかる磁気シ
ートの制作手順を示すフローチヤート、第４図は
プラスチツク磁石の接着剤塗布面の状態を示す拡
大断面図、第５図はこの発明におけるプラスチツ
ク磁石のシート材への接着工程を示す断面図、第
６図は磁気敷き布団の一部を破断した斜面図であ
る。 １……プラスチツク磁石、２……磁気シート、
５……シート材、６……ホツトメルト接着剤。

Claims (1)

  1. 【特許請求の範囲】 １ 複数のプラスチツク磁石をシート材の表面に
    接着して磁気シートを製作する方法であつて、 各プラスチツク磁石のシート材への接合面に薬
    品処理を施して樹脂基材が浸食されかつ磁性粉末
    粒子が突出した粗面を生成する表面処理工程と、 各プラスチツク磁石の前記粗面にホツトメルト
    接着剤を塗布する接着剤塗布工程と、 各プラスチツク磁石につき接着剤の塗布面をシ
    ート材の表面に当てた後、シート材と各プラスチ
    ツク磁石との間を加温状態で加圧して接着する接
    着工程とを一連に実施して磁気シートを製作する
    磁気シートの製法。
JP2010178A 1990-01-18 1990-01-18 磁気シートの製法 Granted JPH03215277A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2010178A JPH03215277A (ja) 1990-01-18 1990-01-18 磁気シートの製法
ES90403731T ES2055383T3 (es) 1990-01-18 1990-12-21 Metodo para la fabricacion de un cuerpo laminar magnetico.
EP19900403731 EP0437999B1 (en) 1990-01-18 1990-12-21 A manufacturing method of a magnetic sheet
PT96488A PT96488B (pt) 1990-01-18 1991-01-16 Metodo de fabrico de uma folha magnetica

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010178A JPH03215277A (ja) 1990-01-18 1990-01-18 磁気シートの製法

Publications (2)

Publication Number Publication Date
JPH03215277A JPH03215277A (ja) 1991-09-20
JPH0562552B2 true JPH0562552B2 (ja) 1993-09-08

Family

ID=11743033

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010178A Granted JPH03215277A (ja) 1990-01-18 1990-01-18 磁気シートの製法

Country Status (4)

Country Link
EP (1) EP0437999B1 (ja)
JP (1) JPH03215277A (ja)
ES (1) ES2055383T3 (ja)
PT (1) PT96488B (ja)

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US7690158B2 (en) * 2003-10-09 2010-04-06 Angeles Corporation Sight and sound barrier
US8457338B2 (en) 2006-05-22 2013-06-04 Audio Pixels Ltd. Apparatus and methods for generating pressure waves
SG171693A1 (en) 2006-05-22 2011-06-29 Audio Pixels Ltd Volume and tone control in direct digital speakers
US8085964B2 (en) 2006-05-22 2011-12-27 Audio Pixels Ltd. Apparatus and methods for generating pressure waves
CN101953174B (zh) 2007-11-21 2014-12-10 奥迪欧彼塞尔斯有限公司 数字扬声器装置
JP5379395B2 (ja) * 2008-04-01 2013-12-25 大成プラス株式会社 装飾品の製造方法
US9188348B2 (en) 2009-08-28 2015-11-17 Progress Profiles Spa Method and apparatus for positioning heating elements
USD813421S1 (en) 2009-08-28 2018-03-20 Progress Profiles Spa Floor underlayment
WO2011111042A1 (en) 2010-03-11 2011-09-15 Audio Pixels Ltd. Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith
KR101831013B1 (ko) 2010-11-26 2018-02-21 오디오 픽셀즈 리미티드 액츄에이터 어레이에서의 개별 어드레싱 및 잡음 감소를 위한 장치 및 방법
WO2013175476A1 (en) 2012-05-25 2013-11-28 Audio Pixels Ltd. A system, a method and a computer program product for controlling a group of actuator arrays for producing a physical effect
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Also Published As

Publication number Publication date
EP0437999B1 (en) 1994-07-13
EP0437999A3 (en) 1992-04-01
PT96488B (pt) 1994-09-30
PT96488A (pt) 1992-09-30
EP0437999A2 (en) 1991-07-24
ES2055383T3 (es) 1994-08-16
JPH03215277A (ja) 1991-09-20

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