JPH02165589A - Manufacture of metal foil heater - Google Patents
Manufacture of metal foil heaterInfo
- Publication number
- JPH02165589A JPH02165589A JP32179688A JP32179688A JPH02165589A JP H02165589 A JPH02165589 A JP H02165589A JP 32179688 A JP32179688 A JP 32179688A JP 32179688 A JP32179688 A JP 32179688A JP H02165589 A JPH02165589 A JP H02165589A
- Authority
- JP
- Japan
- Prior art keywords
- foil heater
- bed
- metal foil
- cutter
- aluminum foil
- 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
- 239000011888 foil Substances 0.000 title claims abstract description 77
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 33
- 239000002184 metal Substances 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 238000005520 cutting process Methods 0.000 claims abstract description 24
- 238000004080 punching Methods 0.000 claims abstract description 3
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 2
- 239000005030 aluminium foil Substances 0.000 abstract 6
- 229910052782 aluminium Inorganic materials 0.000 description 45
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 45
- 238000010586 diagram Methods 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 239000004944 Liquid Silicone Rubber Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Surface Heating Bodies (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野）
本発明に係る金属箔ヒータの製造方法は、例えば、家電
用、住宅設備機器用、産業機器用などに用いて電気釜の
加熱、複写機およびレーザープリンタの暖気発生等のた
めに用いる金属箔ヒータの製造方法に関する。[Detailed Description of the Invention] <Industrial Application Fields> The method for manufacturing a metal foil heater according to the present invention can be used, for example, for home appliances, housing equipment, industrial equipment, etc. The present invention also relates to a method of manufacturing a metal foil heater used for generating warm air for a laser printer.
（従来の技術）
従来の金属箔ヒータの製造方法としては、例えば、まず
、第７．８図に示すように、重ねて張り合わせたほぼ四
角形のアルミニウム箔ヒータ部材（以下、単にアルミ箔
部材という）ｌを準備する。(Prior Art) As a conventional method for manufacturing a metal foil heater, for example, first, as shown in Fig. 7.8, a substantially rectangular aluminum foil heater member (hereinafter simply referred to as an aluminum foil member) that is laminated together is manufactured. Prepare l.
アルミ箔部材１は、一方側に離型紙２を密着させたほぼ
四角形の両面接着紙３の他方側とアルミニウム箔（以下
、単にアルミ箔という）５との間に屈曲したコード状ヒ
ータ線６をサンドイッチ状に介装したものである。コー
ド状ヒータ線６はガラス芯７に抵抗線８を横巻きに巻き
つけ、その上にシリコーンゴム９を絶縁被覆したもので
ある。The aluminum foil member 1 includes a bent cord-shaped heater wire 6 between an approximately rectangular double-sided adhesive paper 3 with a release paper 2 adhered to one side and an aluminum foil (hereinafter simply referred to as aluminum foil) 5 on the other side. It is sandwich-shaped. The cord-shaped heater wire 6 has a resistance wire 8 wound horizontally around a glass core 7, and a silicone rubber 9 is insulated thereon.
第９図に示す１２はプラスチック製の型紙であり、型紙
１２は製品である第１図に示すアルミニウム箔ヒータ２
１を機器に取り付ける際の形状を型どりした区画を示す
ものである。この型紙１２を前述のアルミ箔ヒータ部材
ｌのアルミ箔５の上に置き、第７図に点線で示すように
、アルミ箔５の表面にアルミ箔ヒータ部材ｌの裁断位置
を示すマーク１３を人手により記入する。そして、型紙
１２を取り除き、ハサミ等によりマーク１３に沿ってア
ルミ箔５、両面接着紙３および離型紙２を重ねて切断し
、アルミニウム箔ヒータ２１を製造する。12 shown in FIG. 9 is a plastic pattern, and the pattern 12 is a product, the aluminum foil heater 2 shown in FIG.
1 shows a molded section of the shape when attaching the device to a device. This paper pattern 12 is placed on the aluminum foil 5 of the aluminum foil heater member l described above, and a mark 13 indicating the cutting position of the aluminum foil heater member l is manually drawn on the surface of the aluminum foil 5 as shown by the dotted line in FIG. Fill in by. Then, the paper pattern 12 is removed, and the aluminum foil 5, double-sided adhesive paper 3, and release paper 2 are layered and cut along the marks 13 using scissors or the like to manufacture the aluminum foil heater 21.
（発明が解決しようとする課題）
しかしながら、型紙１２の形状は、第９図に示すように
、アルミニウム箔ヒータ２１を取付ける機器の種類によ
り機器に取付けるための切欠き部１２Ａ、中央の大円形
孔１２Ｂおよび小円形孔１２Ｃ等を有している。このた
め、人手によるマーク１３の記載および切断には、注意
深く時間をかけて実施しなければならず、面倒であり、
作業効率が悪く、生産性が悪い、特に、小孔等がある場
合、切断が難しいという問題点もある。(Problem to be Solved by the Invention) However, as shown in FIG. 9, the shape of the paper pattern 12 may vary depending on the type of equipment to which the aluminum foil heater 21 is to be installed, including a notch 12A for attaching the aluminum foil heater 21 to the equipment, and a large circular hole in the center. 12B and a small circular hole 12C. Therefore, manually writing and cutting the mark 13 requires careful and time-consuming work, which is troublesome.
There are also problems in that the work efficiency is poor, productivity is poor, and cutting is particularly difficult when there are small holes.
そこで、本発明は、金属箔ヒータの形状である区画を金
属箔ヒータ部材の上にマークする等の必要性がなく、切
断も迅速に精度よくでき、裁断の作業効率がよく、生産
性のよい金属箔ヒータを提供することを目的としている
。Therefore, the present invention eliminates the need to mark sections in the shape of the metal foil heater member on the metal foil heater member, allows cutting to be performed quickly and with high precision, improves cutting work efficiency, and improves productivity. The purpose is to provide a metal foil heater.
（課題を解決するための手段）
本発明に係る金属箔ヒータの製造方法は、一方何に離型
紙を密着させた両面接着紙の他方側と金属箔との間に所
定の区画内に配設したコード状ヒータ線をサンドイッチ
状に介装した金属箔ヒータ部材を準備し、金属箔ヒータ
部材を金属箔側を外側にして平面状のベッド上に取付け
、ベッドに対向しベッドに接近・離隔可能なクロスヘッ
ドに前記区画の端縁に沿って切断可能なカッタを取付け
、クロスヘッドをベッド側に接近させカッタにより金属
箔ヒータ部材を打ち抜くことを特徴としている。また、
カッタが基板から突出した刃体の刃先からさらに突出し
た弾性部材を有するのが好ましい。(Means for Solving the Problems) A method for manufacturing a metal foil heater according to the present invention provides a method for manufacturing a metal foil heater in which a double-sided adhesive paper is placed in a predetermined section between a metal foil and the other side of a double-sided adhesive paper with a release paper in close contact with the other side. A metal foil heater member is prepared in which corded heater wires are interposed in a sandwich manner, and the metal foil heater member is mounted on a flat bed with the metal foil side facing outward, allowing it to face the bed and approach and separate from the bed. The present invention is characterized in that a cutter capable of cutting along the edge of the section is attached to a crosshead, the crosshead is brought close to the bed side, and the metal foil heater member is punched out by the cutter. Also,
Preferably, the cutter has an elastic member that further protrudes from the cutting edge of the blade body that protrudes from the substrate.
（作用）
本発明にかかる金属箔ヒータの製造方法は、ベッド上に
取付けた金属箔ヒータ部材をクロスヘッドに取付けたカ
ッタによりクロスヘッドをベッド側に接近させて打ち抜
くので、区画を金属箔上にマークする必要もなく、裁断
の作業効率がよい。(Function) In the method for manufacturing a metal foil heater according to the present invention, the metal foil heater member attached to the bed is punched out using the cutter attached to the crosshead with the crosshead approaching the bed side, so that the divisions are cut out on the metal foil. There is no need to mark, making cutting more efficient.
また、区画の中に小さい円形および切欠き等があっても
その形状の刃体により容易に打ち抜くことができる。Furthermore, even if there is a small circle or notch in the section, it can be easily punched out by the blade body having that shape.
（実施例） 以下、本発明の実施例を図面に基づいて説明する。(Example) Embodiments of the present invention will be described below based on the drawings.
第１〜６図は本発明に係る金属箔ヒータの製造方法の一
実施例を実施するための装置および部材を示す図である
。第１．２図において、２１はアルミニウム箔ヒータ（
以下、単にアルミ箔ヒータという）であり、アルミ箔ヒ
ータ２１は両面接着紙２３の一方側である図の下側に離
型紙２２を密着させ、両面接着紙２３の他方側とアルミ
ニウム箔（以下、単に、アルミ箔という）２５との間に
図Ａ−Ｊにて示す所定の区画２７内に配設したコード状
ヒータ線２６をサンドイッチ状に介装したものである。1 to 6 are diagrams showing an apparatus and members for carrying out an embodiment of the method for manufacturing a metal foil heater according to the present invention. In Figure 1.2, 21 is an aluminum foil heater (
The aluminum foil heater 21 has a release paper 22 in close contact with one side of the double-sided adhesive paper 23, which is the lower side in the figure, and the other side of the double-sided adhesive paper 23 and the aluminum foil heater 21 (hereinafter simply referred to as an aluminum foil heater). A cord-shaped heater wire 26 disposed in a predetermined section 27 shown in FIGS. A-J is sandwiched between the aluminum foil 25 and the aluminum foil 25.
区画２７は異形の周辺部Ａ−Ｆから中央部の大円形ＧＨ
および周辺部の小円形Ｊを除いたものをいう。ヒータ線
２６はガラス芯２８に抵抗線２９を横巻きに巻きつけそ
の上にシリコーンゴム３０を絶縁被覆したものである。Section 27 is from the peripheral parts A-F of the irregular shape to the large circle GH in the center.
and excluding the small circle J on the periphery. The heater wire 26 is made by winding a resistance wire 29 horizontally around a glass core 28 and insulatingly covering the wire with silicone rubber 30.
図では分かり易くするために厚さを拡大して示している
。In the figure, the thickness is enlarged for clarity.
このアルミ箔ヒータ２１を製造するには、まず、前述の
第７．８図と同様な第３．４図に示すほぼ四角形のアル
ミ箔ヒータ部材１１を準備する。アルミ箔ヒータ部材１
１は、第３図の２点鎖線で示す区画２７に第１図に示す
アルミ箔ヒータ２１を有している。アルミ箔ヒータ部材
１１の離型紙２２、両面接着紙２３およびアルミ箔２５
は矢印Ｓに示す方向に連続した帯状の部材の一部であっ
てもよい。In order to manufacture this aluminum foil heater 21, first, a substantially rectangular aluminum foil heater member 11 shown in FIG. 3.4, which is similar to the above-mentioned FIG. 7.8, is prepared. Aluminum foil heater member 1
1 has an aluminum foil heater 21 shown in FIG. 1 in a section 27 shown by a two-dot chain line in FIG. Release paper 22, double-sided adhesive paper 23, and aluminum foil 25 of aluminum foil heater member 11
may be part of a continuous band-shaped member in the direction shown by arrow S.
次いで、アルミ箔ヒータ部材１１はアルミ箔２５側を外
側にして、プレス機の平面状のベッド３２の上の所定位
置に取付ける。アルミ箔ヒータ部材ｌはベッド３２に設
けた図示していない孔を通してベッド３２の下側から吸
引し、この吸引力によりベッド３２の上側の所定位置に
固定してもよい。Next, the aluminum foil heater member 11 is attached to a predetermined position on the flat bed 32 of the press machine with the aluminum foil 25 side facing outside. The aluminum foil heater member 1 may be sucked from below the bed 32 through a hole (not shown) provided in the bed 32, and fixed at a predetermined position above the bed 32 by this suction force.
ベッド３２の上方にはベッド３２に対向し、ベッド３２
に接近・離隔可能なクロスヘッド３３が設けられている
。クロスヘッド３３は、例えば、油圧により、矢印Ｔ方
向に移動する。Above the bed 32, facing the bed 32, the bed 32
A crosshead 33 is provided which can approach and separate from. The crosshead 33 moves in the direction of arrow T, for example, by hydraulic pressure.
第５．６図に示す３５はカッタであり、カッタ３５は、
第４図に示す、クロスヘッド３３の下側３３ａに刃体３
６の刃先３６ａが下方に向くように取付ける。35 shown in Fig. 5.6 is a cutter, and the cutter 35 is
The blade 3 is attached to the lower side 33a of the crosshead 33 as shown in FIG.
Attach so that the cutting edge 36a of No. 6 faces downward.
ここに、刃先３６ａは第３図に２点鎖線３６ｂに示す位
置に対応している。第６図では刃体３６の刃先３６ａを
上側にして示し、プレス機のクロスヘッド３３に取付け
る場合とは上下が逆に示している。したがって、第１図
に示す区画２７に対応する第５図の刃先３６ａの形状は
左右が逆になっている。刃体３６は第１図に示す区画２
７の端縁に沿って切断可能ないわゆるトムソンの刃であ
り、平面状の木枠３７に上方に突出するように埋設され
ている。木枠３７の上面から刃先３６ａまでの高さＨｌ
は５鶴であり、アルミ箔ヒータ２１を打ち抜き可能であ
る。刃先３６ａの高さＨ３＆はアルミ箔ヒータ２１の種
類により１９龍または２４鰭であってもよい。また、木
枠３７は金枠に代えてもよい。また、第６図に示す３８
はスポンジであり、スポンジ３８は発泡シリコーンから
なる弾性部材である。スポンジ３８は木枠３７の上面に
固着され、木枠３７から突出した刃体３６の内側および
外側でさらに突出するよう設けられている。スポンジ３
８の高さＨｌ。は８．５鶴である。刃体３６の刃先３６
ａには打ち抜き時に両面接着剤２３の接着剤が付着する
のを防ぐために、液状シリコーンゴムを塗布するのが好
ましい。Here, the cutting edge 36a corresponds to the position shown by the two-dot chain line 36b in FIG. In FIG. 6, the cutting edge 36a of the blade body 36 is shown facing upward, and the blade body 36 is shown upside down compared to when it is attached to the crosshead 33 of a press machine. Therefore, the shape of the cutting edge 36a in FIG. 5 corresponding to the section 27 shown in FIG. 1 is reversed left and right. The blade body 36 is located in section 2 shown in FIG.
It is a so-called Thomson's blade that can cut along the edge of the frame 37, and is embedded in the planar wooden frame 37 so as to protrude upward. Height Hl from the top surface of the wooden frame 37 to the cutting edge 36a
is 5 cranes, and the aluminum foil heater 21 can be punched out. The height H3& of the cutting edge 36a may be 19 or 24 fins depending on the type of the aluminum foil heater 21. Moreover, the wooden frame 37 may be replaced with a metal frame. In addition, 38 shown in FIG.
is a sponge, and the sponge 38 is an elastic member made of foamed silicone. The sponge 38 is fixed to the upper surface of the wooden frame 37 and is provided so as to further protrude inside and outside the blade body 36 that projects from the wooden frame 37. sponge 3
8 height HL. is 8.5 cranes. Blade tip 36 of blade body 36
It is preferable to apply liquid silicone rubber to a to prevent the double-sided adhesive 23 from adhering to it during punching.
次いで、第４図において、プレス機を作動させ、クロス
ヘッド３３を降下しベッド３２側に接近させる。Next, in FIG. 4, the press is operated and the crosshead 33 is lowered to approach the bed 32 side.
この際、カッタ３５のスポンジ３８はアルミ箔ヒータ部
材ｌのアルミ箔２５に当接しスポンジ３８の弾力に逆ら
って圧縮され、カッタ３５の刃先３６ａは区画２７の端
縁に対応する鎖線３６ｂに沿ってアルミ箔２５から離型
紙２２まで精度よく切断してアルミ箔ヒータ部材１１を
打ち抜く。次いで、クロスヘッド３３が上昇すると、ア
ルミ箔ヒータ部材１１の切断された各部材はスポンジ３
８の弾力により刃体３６間から押し出され、ベッド３２
上に残る。ベッド３２上のアルミ箔ヒータ部材１１を取
り出し、アルミ箔ヒータ部材１１の周辺部１１Ａ、中央
の円形部ｌｌＢ、小孔部１１Ｃ等余分の部分を除き、ア
ルミ箔ヒータ２１を製造する。さらに、次のアルミ箔ヒ
ータ部材ｌをベッド３２上に取付け、前述と同様に、ク
ロス・＼ノド３３を降下して次のアルミ箔ヒータ２１を
打ら抜き、次いで、上昇して、余分の部分を除いてアル
ミ箔ヒータ２１を連続的に迅速に生産することができる
。At this time, the sponge 38 of the cutter 35 comes into contact with the aluminum foil 25 of the aluminum foil heater member l and is compressed against the elasticity of the sponge 38, and the cutting edge 36a of the cutter 35 moves along the chain line 36b corresponding to the edge of the section 27. The aluminum foil heater member 11 is punched out by cutting accurately from the aluminum foil 25 to the release paper 22. Next, when the crosshead 33 rises, each cut member of the aluminum foil heater member 11 is moved to the sponge 3.
8 is pushed out from between the blades 36 and the bed 32
remain on top. The aluminum foil heater member 11 on the bed 32 is taken out, and the aluminum foil heater 21 is manufactured by removing excess parts such as the peripheral part 11A, the central circular part 11B, and the small hole part 11C of the aluminum foil heater member 11. Furthermore, the next aluminum foil heater member l is mounted on the bed 32, and in the same manner as described above, the cross/groove 33 is lowered to punch out the next aluminum foil heater 21, and then raised to remove the excess part. The aluminum foil heater 21 can be produced continuously and rapidly except for the following steps.
（効果）
以上説明したように、本発明によれば、区画の端縁に対
応する刃体を有するカッタを取付けたプレス機でベッド
上の金属箔ヒータ部材を打ち抜くことにより、金属箔ヒ
ータを精度よく、かつ迅速に効率よく切断でき、生産性
を大幅に向上できる。(Effects) As explained above, according to the present invention, the metal foil heater member on the bed is punched out using a press machine equipped with a cutter having a blade body corresponding to the edge of the compartment, so that the metal foil heater member can be cut with precision. It can cut well, quickly and efficiently, greatly improving productivity.
第１〜６図は本発明に係る金属箔ヒータの製造方法の一
実施例を実施するための装置および部材の例を示す図で
あり、第１図は金属箔ヒータの平面図、第２図は第１図
の■−■矢視概略断面図、第３図は金属箔ヒータ部材の
平面図、第４図は第３図のＩＶ−ｍＶ矢視概略断面図、
第５図はそのカッタの平面図、第６図は第５図のｖｙ−
ｖ＋矢視断面図である。第７〜９図は従来の方法を説明
するための図であり、第７図はその部材の平面図、第８
図は第７図の■−■矢視断面図、第９図（ａ）はその型
紙を示す平面図、第９図（ｂ）は第９図（ａ）のＩＸｂ
−ＩＸｂ矢視断面図である。
１１・・・・・・アルミ箔ヒータ部材、２２・・・・・
・離型紙、
２３・・・・・・両面接着紙、
２５・・・・・・アルミ箔、
２６・・・・・・ヒータ線、
２１・・・・・・アルミ箔ヒータ、
３２・・・・・・ベッド、
３３・・・・・・クロスヘッド、
３５・・・・・・カッタ。1 to 6 are diagrams showing an example of an apparatus and members for carrying out an embodiment of the method for manufacturing a metal foil heater according to the present invention, and FIG. 1 is a plan view of the metal foil heater, and FIG. is a schematic sectional view taken along the ■-■ arrow in FIG. 1, FIG. 3 is a plan view of the metal foil heater member, and FIG. 4 is a schematic sectional view taken along the IV-mV arrow in FIG. 3.
Figure 5 is a plan view of the cutter, and Figure 6 is the vy-
It is a sectional view taken along the v+ arrow. 7 to 9 are diagrams for explaining the conventional method, and FIG. 7 is a plan view of the member, and FIG.
The figure is a sectional view taken along the arrow ■-■ in Figure 7, Figure 9 (a) is a plan view showing the pattern, and Figure 9 (b) is IXb in Figure 9 (a).
-IXb is a sectional view taken along the arrow. 11... Aluminum foil heater member, 22...
・Release paper, 23... Double-sided adhesive paper, 25... Aluminum foil, 26... Heater wire, 21... Aluminum foil heater, 32... ...Bed, 33...Crosshead, 35...Cutter.
Claims (2)
と金属箔との間に所定の区画内に配設したコード状ヒー
タ線をサンドイッチ状に介装した金属箔ヒータ部材を準
備し、金属箔ヒータ部材を金属箔側を外側にして平面状
のベッド上に取付け、ベッドに対向しベッドに接近・離
隔可能なクロスヘッドに前記区画の端縁に沿って切断可
能なカッタを取付け、クロスヘッドをベッド側に接近さ
せカッタにより金属箔ヒータ部材を打ち抜くことを特徴
とする金属箔ヒータの製造方法。(1) Prepare a metal foil heater member in which cord-shaped heater wires arranged in a predetermined section are sandwiched between double-sided adhesive paper with release paper tightly adhered to one side and metal foil on the other side. Then, the metal foil heater member is mounted on a flat bed with the metal foil side facing outward, and a cutter capable of cutting along the edge of the section is attached to a crosshead that faces the bed and can approach and move away from the bed. A method for manufacturing a metal foil heater, comprising: moving a crosshead close to the bed side and punching out a metal foil heater member using a cutter.
からさらに突出した弾性部材を有する請求項１記載の金
属箔ヒータの製造方法。(2) The method for manufacturing a metal foil heater according to claim 1, wherein the cutter has a blade body protruding from the substrate and an elastic member further protruding from the cutting edge of the blade body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32179688A JPH02165589A (en) | 1988-12-19 | 1988-12-19 | Manufacture of metal foil heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32179688A JPH02165589A (en) | 1988-12-19 | 1988-12-19 | Manufacture of metal foil heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02165589A true JPH02165589A (en) | 1990-06-26 |
Family
ID=18136512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32179688A Pending JPH02165589A (en) | 1988-12-19 | 1988-12-19 | Manufacture of metal foil heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02165589A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008288009A (en) * | 2007-05-17 | 2008-11-27 | Nissei Electric Co Ltd | Planar heater |
| US20100200485A1 (en) * | 2005-08-16 | 2010-08-12 | Alberto Parra Navarrete | Filter device with a heater |
| JP2013030370A (en) * | 2011-07-29 | 2013-02-07 | Nissei Electric Co Ltd | Planar heater |
-
1988
- 1988-12-19 JP JP32179688A patent/JPH02165589A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100200485A1 (en) * | 2005-08-16 | 2010-08-12 | Alberto Parra Navarrete | Filter device with a heater |
| US8282819B2 (en) * | 2005-08-16 | 2012-10-09 | Robert Bosch Gmbh | Filter device with a heater |
| JP2008288009A (en) * | 2007-05-17 | 2008-11-27 | Nissei Electric Co Ltd | Planar heater |
| JP2013030370A (en) * | 2011-07-29 | 2013-02-07 | Nissei Electric Co Ltd | Planar heater |
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