JPH05104637A - Induction heating material for high frequency welding of synthetic resin member - Google Patents
Induction heating material for high frequency welding of synthetic resin memberInfo
- Publication number
- JPH05104637A JPH05104637A JP29804091A JP29804091A JPH05104637A JP H05104637 A JPH05104637 A JP H05104637A JP 29804091 A JP29804091 A JP 29804091A JP 29804091 A JP29804091 A JP 29804091A JP H05104637 A JPH05104637 A JP H05104637A
- Authority
- JP
- Japan
- Prior art keywords
- synthetic resin
- induction heating
- heating material
- high frequency
- frequency welding
- 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.)
- Pending
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
- 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
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
- B29C65/3604—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint
-
- 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
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
- B29C65/3672—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint
- B29C65/3676—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being metallic
- B29C65/368—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being metallic with a polymer coating
-
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、種々の形状の合成樹
脂製の部材を高周波溶着する際に、合成樹脂製の部材の
被溶着部の加熱溶融のために被溶着部間に挟む誘導加熱
材（導電材）の改良に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to induction heating for sandwiching between portions to be welded of a synthetic resin member for heating and melting when the members made of synthetic resin of various shapes are subjected to high frequency welding. The present invention relates to improvement of material (conductive material).
【０００２】[0002]
【従来の技術】このような誘導加熱材を用いる高周波溶
着は、特に誘電加熱効率が低い熱可塑性樹脂、例えばポ
リエチン樹脂やポリプロピレン樹脂製の部材の溶着を企
図したもので、この種の誘導加熱材としては鉄粉や銅粉
などの金属粉末と合成樹脂を混合（複合）してシート状
に成形したものが提案されている。2. Description of the Related Art High-frequency welding using such an induction heating material is intended for welding a member made of a thermoplastic resin having a low dielectric heating efficiency, such as a polyethylene resin or a polypropylene resin. As such, a sheet formed by mixing (compositing) metal powder such as iron powder or copper powder and synthetic resin is proposed.
【０００３】[0003]
【発明が解決しようとする課題】しかしながらこのよう
な金属粉末を含む誘導加熱材は、加熱効率を高めるため
に金属粉末の混合量を多くすればするほど、硬質化する
とともに脆くなるため、金属繊維と合成樹脂の混合性
や、シートへの成形加工性が低下するとともに、合成樹
脂部材の被溶着部間の接着性（接着強度）も低下させる
という問題がある。However, the induction heating material containing such metal powder is hardened and becomes brittle as the mixing amount of the metal powder is increased in order to increase the heating efficiency. There is a problem that the mixing property of the synthetic resin and the forming workability into a sheet are deteriorated, and also the adhesiveness (adhesive strength) between the welded portions of the synthetic resin member is deteriorated.
【０００４】そこでこの発明は、加熱効率が高いととも
にシート等への成形加工性が優れ、かつ合成樹脂部材間
の接着性を向上させる誘導加熱材を提供することを主要
な目的としている。Therefore, the main object of the present invention is to provide an induction heating material which has high heating efficiency and excellent workability in forming into a sheet or the like, and which improves the adhesiveness between synthetic resin members.
【０００５】[0005]
【課題を解決するための手段】この発明によれば上記の
目的は、金属繊維と合成樹脂を混合（複合）してなる誘
導加熱材によって達成する。According to the present invention, the above object is achieved by an induction heating material obtained by mixing (compositing) metal fibers and synthetic resin.
【０００６】この発明の誘導加熱材は、一般にはシート
状に成形加工して用いることができるが、必要があれば
ペースト（エマルジョン）状で用いることもできる。The induction heating material of the present invention can be generally formed into a sheet and used, but if necessary, it can also be used in the form of a paste (emulsion).
【０００７】金属繊維としては、ステンレススチール繊
維が好適であり、また合成樹脂としては熱溶融性（ホッ
トメルト型）のものが有効である。As the metal fiber, stainless steel fiber is suitable, and as the synthetic resin, a heat-melting type (hot-melt type) is effective.
【０００８】[0008]
【作用】この発明の誘導加熱材は、高周波電磁場（界）
に置くと、金属繊維の誘導加熱を介して、合成樹脂部材
の被溶着部が加熱溶融し、その間に金属繊維を内包する
形で溶着が行なわれる。The operation of the induction heating material of the present invention is a high frequency electromagnetic field (field).
In this case, the portion to be welded of the synthetic resin member is heated and melted through the induction heating of the metal fiber, and the welding is performed while the metal fiber is included therein.
【０００９】金属繊維としてステンレススチール繊維を
用いると、その耐食性の点から、耐久性の優れた溶着が
でき、また合成樹脂として熱溶融性のものを用いると、
金属繊維の誘導加熱を介して、この合成樹脂が溶融する
ので、合成樹脂部材の被溶着部の加熱溶融が促進される
とともに、金属繊維が被溶着部と一体化されて、溶着が
強化される。When stainless steel fiber is used as the metal fiber, welding having excellent durability can be performed from the viewpoint of corrosion resistance, and when the synthetic resin is heat-meltable,
Since the synthetic resin is melted through the induction heating of the metal fiber, heating and melting of the welded portion of the synthetic resin member is promoted, and the metal fiber is integrated with the welded portion to strengthen the welding. ..
【００１０】[0010]
【実施例１】直径が１０〜２０μのステンレススチール
繊維６０重量％と、熱溶融性のポリエチレン樹脂、ポリ
エステル樹脂及びポリアミド（ナイロン）樹脂の各熱可
塑性樹脂４０重量％を各別に混練した後、複数種類のシ
ート状誘導加熱材（０、５〜０、７ｍｍ厚）を成形し
た。この場合繊維と樹脂の混練、シートの成形加工とも
容易であった。このシート状誘導加熱材をポリエチレン
樹脂製の部材の被溶着部の間に挟んで、高周波電磁場
（周波数４００ｋＨｚ）に置いたところ、いずれも被溶
着部は数秒で溶融した。またポリエチレン樹脂部材間の
接着性も良好であった。Example 1 60% by weight of stainless steel fibers having a diameter of 10 to 20 μ and 40% by weight of thermoplastic resins such as heat-fusible polyethylene resin, polyester resin and polyamide (nylon) resin were kneaded separately, and then plural A variety of sheet-shaped induction heating materials (0, 5 to 0, 7 mm thickness) were molded. In this case, the kneading of the fiber and the resin and the forming of the sheet were easy. When this sheet-shaped induction heating material was sandwiched between the welded parts of a polyethylene resin member and placed in a high-frequency electromagnetic field (frequency 400 kHz), the welded parts all melted within a few seconds. Also, the adhesion between the polyethylene resin members was good.
【００１１】[0011]
【実施例２】直径が１０〜２０μのステンレススチール
繊維６０重量％と、熱溶融性のポリエチレン樹脂、ポリ
エステル樹脂及びポリアミド（ナイロン）樹脂の各熱可
塑性樹脂４０重量％を、各別に適当量の溶剤を加えて混
練して形成した複数種類のペースト状誘電加熱材を、ポ
リエチレン樹脂製の部材の被溶着部の間にナイフを介し
て均等に塗布して、高周波電磁場（周波数４００ｋＨ
ｚ）に置いたところ、いずれも被溶着部は数秒で溶融
し、またポリエチレン樹脂部材間の接着性も良好であっ
た。Example 2 60% by weight of stainless steel fiber having a diameter of 10 to 20 .mu. And 40% by weight of thermoplastic resins such as heat-fusible polyethylene resin, polyester resin and polyamide (nylon) resin are used in appropriate amounts of solvents. A plurality of types of paste-like dielectric heating materials formed by adding and kneading are evenly applied via a knife between the welded portions of the polyethylene resin member to generate a high-frequency electromagnetic field (frequency of 400 kHz).
When placed in z), the welded part melted in a few seconds and the adhesion between the polyethylene resin members was good.
【００１２】[0012]
【発明の効果】上記から明らかなように、この発明の金
属繊維と合成樹脂の混合材（複合材）からなる誘導加熱
材は、加熱効率が高いとともに、シート等への成形加工
性も良好で、かつ合成樹脂部材間の接着性も高めるの
で、種々の合成樹脂製の部材の高周波溶着のためにきわ
めて有用である。As is apparent from the above, the induction heating material of the present invention, which is composed of a mixed material (composite material) of metal fibers and synthetic resin, has high heating efficiency and good processability for forming into a sheet or the like. In addition, since the adhesiveness between the synthetic resin members is also improved, it is extremely useful for high frequency welding of various synthetic resin members.
Claims (3)
樹脂部材の高周波溶着用誘導加熱材。1. An induction heating material for high-frequency welding of a synthetic resin member, comprising a mixture of metal fibers and synthetic resin.
る、請求項１記載の高周波溶着用誘導加熱材。2. The induction heating material for high frequency welding according to claim 1, wherein the metal fiber is a stainless steel fiber.
は２記載の高周波溶着用誘導加熱材。3. The induction heating material for high frequency welding according to claim 1, wherein the synthetic resin is heat-meltable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29804091A JPH05104637A (en) | 1991-10-17 | 1991-10-17 | Induction heating material for high frequency welding of synthetic resin member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29804091A JPH05104637A (en) | 1991-10-17 | 1991-10-17 | Induction heating material for high frequency welding of synthetic resin member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05104637A true JPH05104637A (en) | 1993-04-27 |
Family
ID=17854348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29804091A Pending JPH05104637A (en) | 1991-10-17 | 1991-10-17 | Induction heating material for high frequency welding of synthetic resin member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05104637A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998038243A1 (en) * | 1997-02-28 | 1998-09-03 | Johnson Robert Harlan Jr | High efficiency heating agents |
| AU2002300202B2 (en) * | 1997-02-28 | 2004-11-11 | Jr. Robert Harlan Johnson | High Efficiency Heating Agents |
-
1991
- 1991-10-17 JP JP29804091A patent/JPH05104637A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998038243A1 (en) * | 1997-02-28 | 1998-09-03 | Johnson Robert Harlan Jr | High efficiency heating agents |
| US6023054A (en) * | 1997-02-28 | 2000-02-08 | Johnson, Jr.; Robert Harlan | High efficiency heating agents |
| US6137093A (en) * | 1997-02-28 | 2000-10-24 | Johnson, Jr.; Robert Harlan | High efficiency heating agents |
| US6423953B1 (en) | 1997-02-28 | 2002-07-23 | Robert H. Johnson, Jr. | Plastic heating composition including high efficiency heating agents and methods of use |
| US6677559B2 (en) | 1997-02-28 | 2004-01-13 | Robert H. Johnson, Jr. | Thermoset heating composition including high efficiency heating agents and methods of use |
| AU2002300202B2 (en) * | 1997-02-28 | 2004-11-11 | Jr. Robert Harlan Johnson | High Efficiency Heating Agents |
| US6930291B2 (en) | 1997-02-28 | 2005-08-16 | Robert H. Johnson, Jr. | Adhesive or sealant composition including high efficiency heating agents and methods of use |
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