JP5567085B2 - プラスチック半加工品用マイクロ波加熱装置およびマイクロ波によるプラスチック半加工品を加熱する方法 - Google Patents
プラスチック半加工品用マイクロ波加熱装置およびマイクロ波によるプラスチック半加工品を加熱する方法 Download PDFInfo
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- Electromagnetism (AREA)
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- Constitution Of High-Frequency Heating (AREA)
Description
本発明は、例えば、以下を提供する。
(項目1)
加熱される領域(2)と加熱されない領域(6)とを含む熱可塑性材料の予備成形物(1)を加熱し、該予備成形物(1)は加熱された後に成形作用を受ける方法であって、共振器(11)の中において、少なくとも加熱時間の一部の間、加熱される該予備成形物(1)の該領域(2)にマイクロ波が印加されることを特徴とする、方法。
(項目2)
加熱される上記予備成形物(1)の上記領域(2)は、連続的に移動および/または加熱されることを特徴とする、項目1に記載の方法。
(項目3)
上記予備成形物は、それらの長手方向軸(A)の方向に、該予備成形物(1)の全周を包含する実質的に円盤状または平板状の共振器(11)の中へ、またはこれを通って移動させられることを特徴とする、項目1に記載の方法。
(項目4)
上記予備成形物(1)は、実質的に円形の経路に沿って移動する間、それらの長手方向軸(A)の方向に上記共振器内(11)の中へ案内され、その後、その反対方向に該共振器(11)から外へ案内されることを特徴とする、項目1〜3のうちの少なくとも1つに記載の方法。
(項目5)
上記共振器(11)の中に反射要素(19)があり、該反射要素(19)は、上記予備成形物(1)の閉口側を追加的に加熱するように放射を偏向させることを特徴とする、項目1〜4のうちの少なくとも1つに記載の方法。
(項目6)
上記反射要素(19)と上記予備成形物(1)との間の距離は、少なくとも上記マイクロ波の有効活性ゾーンの中で均一であることを特徴とする、項目5に記載の方法。
(項目7)
上記予備成形物(1)は、それらの長さ、および/またはそれらの厚さ、および/またはそれらの外周に関して、不均一な態様で加熱される、項目1に記載の方法。
(項目8)
少なくとも1つのマイクロ波発生器(21)と、マイクロ波導体(22)と、共振器(11)とを有する、マイクロ波によって予備成形物(1)を加熱する装置。
(項目9)
上記共振器(11)は、実質的に環状であり、かつ開口部を備え、該開口部を通って予備成形物(1)を案内できることを特徴とする、項目8に記載の装置。
(項目10)
上記共振器(11)の上記開口部は、中空円筒によって囲まれることを特徴とする、項目8に記載の装置。
(項目11)
上記共振器(11)の中には反射要素(19)があることを特徴とする、項目8に記載の装置。
(項目12)
上記反射要素(19)は、移動できるように設計されることを特徴とする、項目11に記載の装置。
(項目13)
少なくとも共振器(11)、マイクロ波導体(22)、同調器(23)、および受け取りユニット(25)で構成された、少なくとも1つのマイクロ波加熱ユニット(3)を有することを特徴とする、項目8に記載の装置。
(項目14)
上記マイクロ波加熱ユニット(3)は、その一端において上記マイクロ波コンパクトヘッド(20)に作用可能に接続され、その他端において上記共振器(11)に作用可能に接続されることを特徴とする、項目13に記載の装置。
(項目15)
上記マイクロ波加熱ユニット(3)は、搬送装置(4)に固定され、該搬送装置(4)は、機械軸(5)に作用可能に接続される、項目13に記載の装置。
(項目16)
m個のマイクロ波加熱ユニット(3)と、o個の受け取りユニット(25)とを備え、o≧mであり、好ましくはo=2×mであることを特徴とする、少なくとも1つの項目
8に記載の装置。
Claims (15)
- 加熱される領域(2)と加熱されない領域とを含む熱可塑性材料の予備成形物(1)を加熱する方法であって、該予備成形物(1)は、加熱された後に成形作用を受け、共振器(11)の中において、少なくとも加熱時間の一部の間、加熱される該予備成形物(1)の該領域(2)にマイクロ波が印加され、加熱される該予備成形物(1)の該領域(2)は、移動され、該予備成形物(1)は、それらの長手方向軸(A)の方向に該共振器(11)の中へ案内され、その後、その反対方向に該共振器(11)から外へ案内され、
該加熱される領域(2)は、それらの長さ、および/または、それらの厚さ、および/または、それらの外周に関して、不均一な態様で加熱されることを特徴とする、方法。 - 加熱される前記予備成形物(1)の前記領域(2)は、連続的に移動および/または加熱されることを特徴とする、請求項1に記載の方法。
- 前記予備成形物は、それらの長手方向軸(A)の方向に、該予備成形物(1)の全周を包含する実質的に円盤状または平板状の共振器(11)の中へ移動させられることを特徴とする、請求項1に記載の方法。
- 前記予備成形物(1)は、それらの長手方向軸(A)の方向に前記共振器内(11)の中へ案内され、その後、実質的に円形の経路に沿って移動する間、その反対方向に該共振器(11)から外へ案内されることを特徴とする、請求項1〜3のうちの少なくとも1つに記載の方法。
- 前記共振器(11)の中に反射要素(19)があり、該反射要素(19)は、前記予備成形物(1)の閉口側が追加的に加熱されるように放射を偏向させることを特徴とする、請求項1〜4のうちの少なくとも1つに記載の方法。
- 前記反射要素(19)と前記予備成形物(1)との間の距離は、少なくとも前記マイクロ波の有効活性ゾーンの中で均一であることを特徴とする、請求項5に記載の方法。
- 少なくとも1つのマイクロ波発生器(21)と、マイクロ波導体(22)と、共振器(11)とを有する、マイクロ波によって予備成形物(1)を加熱する装置であって、
該共振器(11)は、実質的に環状であり、かつ開口部を備え、該開口部を通って、加熱された後に成形作用を受ける熱可塑性材料の予備成形物(1)が案内されることが可能であり、該予備成形物(1)は、加熱される領域(2)と加熱されない領域とを含み、該装置は、加熱される予備成形物(1)の領域(2)を移動させる手段と、該予備成形物(1)をそれらの長手方向軸(A)の方向に該共振器(11)の中に案内し、その反対方向に該共振器(11)から外に案内する手段とを含み、
該装置は、該加熱される領域(2)を、それらの長さ、および/または、それらの厚さ、および/または、それらの外周に関して、不均一な態様で加熱する手段を含むことを特徴とする、装置。 - 前記共振器(11)の前記開口部は、中空円筒によって囲まれることを特徴とする、請求項7に記載の装置。
- 前記共振器(11)の中には反射要素(19)があることを特徴とする、請求項8に記載の装置。
- 前記反射要素(19)は、移動できるように設計されることを特徴とする、請求項9に記載の装置。
- 少なくとも共振器(11)、マイクロ波導体(22)、同調器(23)、および受け取りユニット(25)で構成された、少なくとも1つのマイクロ波加熱ユニット(3)を有することを特徴とする、請求項7に記載の装置。
- 前記マイクロ波加熱ユニット(3)は、その一端においてマイクロ波コンパクトヘッド(20)に作用可能に接続され、その他端において前記共振器(11)に作用可能に接続されることを特徴とする、請求項11に記載の装置。
- 前記マイクロ波加熱ユニット(3)は、搬送装置(4)に固定され、該搬送装置(4)は、機械軸(5)に作用可能に接続される、請求項11に記載の装置。
- m個のマイクロ波加熱ユニット(3)と、o個の受け取りユニット(25)とを備え、o≧mであることを特徴とする、請求項7に記載の装置。
- o=2×mである、請求項14に記載の装置。
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