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JP4612097B2 - Styrofoam cutter - Google Patents
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JP4612097B2 - Styrofoam cutter - Google Patents

Styrofoam cutter Download PDF

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JP4612097B2
JP4612097B2 JP2009074319A JP2009074319A JP4612097B2 JP 4612097 B2 JP4612097 B2 JP 4612097B2 JP 2009074319 A JP2009074319 A JP 2009074319A JP 2009074319 A JP2009074319 A JP 2009074319A JP 4612097 B2 JP4612097 B2 JP 4612097B2
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heat ray
pair
support bars
grip
heat
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JP2010221379A (en
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正博 渡辺
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BENA CO., LTD.
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BENA CO., LTD.
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Description

本発明は発泡スチロール板を任意の形状にカットして、作品や飾り付けを作成する場合に使用する発泡スチロールカッターに関する。   The present invention relates to a foamed polystyrene cutter used when a foamed polystyrene board is cut into an arbitrary shape to create a work or a decoration.

従来の発泡スチロールカッターは発泡スチロール用カッターのニクロム線が挿入される長溝が形成された、切断する発泡スチロールの下面がその上面に当接されるテーブル本体と、このテーブル本体の下面に形成した、テーブル本体を発泡スチロール用カッターに係合するための係合部とを備えたガイドテーブル、および両端が対向するように形成したU字状のアーム、このアームの両端部間に連通したニクロム線、前記アームの任意の個所に連設したハンドルと電源を介してニクロム線の両端に接続したリード線を具備するカッター本体と、前記アームの任意の個所に装着した前記ガイドテーブルとを具備して構成していた。 A conventional polystyrene cutter has a table body in which a long groove into which a nichrome wire of a polystyrene cutter is inserted is formed, a lower surface of the foamed polystyrene to be cut comes into contact with the upper surface, and a table body formed on the lower surface of the table body. A guide table having an engagement portion for engaging with a polystyrene foam cutter, a U-shaped arm formed so that both ends thereof are opposed to each other, a nichrome wire communicated between both ends of the arm, and any of the arms A cutter body provided with a handle connected to each of these locations, a lead wire connected to both ends of the nichrome wire via a power source, and the guide table mounted at any location of the arm.

このため構造が複雑で、大きくなり、ニクロム線がむき出し状態になっているので危険で、小さな子供には使用させることができないという欠点があった。   As a result, the structure is complicated, large, and the nichrome wire is exposed, which is dangerous and cannot be used by small children.

実用新案登録第3087060号Utility model registration No. 3087060

本発明は以上のような従来の欠点に鑑み、構造が簡単で、小さく押したり引いたりする作業で、薄い発泡スチロール板を微小間隔の形状を含む任意の形状に、子供でも安全に切断加工することができる発泡スチロールカッターを提供することを目的としている。     In view of the above-mentioned conventional drawbacks, the present invention has a simple structure, and can be used to safely cut even a child into an arbitrary shape including a shape of a fine interval by thinly pressing and pulling a thin styrofoam plate. The object is to provide a foamed polystyrene cutter that can be used.

本発明の前記ならびにそのほかの目的と新規な特徴は次の説明を添付図面と照らし合わせて読むと、より完全に明らかになるであろう。
ただし、図面はもっぱら解説のためのものであって、本発明の技術的範囲を限定するものではない。
The above and other objects and novel features of the present invention will become more fully apparent when the following description is read in conjunction with the accompanying drawings.
However, the drawings are for explanation only and do not limit the technical scope of the present invention.

上記目的を達成するために、本発明は棒状のグリップと、このグリップの先端部より外方へ突出するように取付けられた切断する薄い発泡スチロール板が挿入される隙間を有し、かつ導電材製で切断する発泡スチロール板を面状態で支持する支持台として利用することができる対向する面が平行となる断面L字状の一対の熱線支持バーと、この一対の熱線支持バーの先端に形成した熱線支持溝に挿入されて跨るように配置され、両端部が該一対の熱線支持バーの後端部の外側面に形成された熱線支持片に巻き付け支持された熱線と、前記グリップに設けられたスイッチを介して前記一対の熱線支持バーより熱線に電流を供給する電池とで発泡スチロールカッターを構成している。 In order to achieve the above object, the present invention has a rod-shaped grip and a gap into which a thin foamed polystyrene plate attached so as to protrude outward from the tip of the grip is inserted, and is made of a conductive material. A pair of heat ray support bars having an L-shaped cross section in which opposing faces are parallel, which can be used as a support for supporting the foamed polystyrene plate cut in a plane state, and heat rays formed at the tips of the pair of heat ray support bars A heat wire that is arranged so as to be inserted and straddled into the support groove and whose both end portions are wound around and supported by a heat ray support piece formed on the outer surface of the rear end portion of the pair of heat ray support bars, and a switch provided in the grip A foamed polystyrene cutter is constituted by a battery that supplies current to the heat ray from the pair of heat ray support bars via the.

以上の説明から明らかなように、本発明にあっては次に列挙する効果が得られる。   As is clear from the above description, the present invention has the following effects.

(1)棒状のグリップと、このグリップの先端部より外方へ突出するように取付けられた切断する薄い発泡スチロール板が挿入される隙間を有し、かつ導電材製で切断する発泡スチロール板を面状態で支持する支持台として利用することができる対向する面が平行となる断面L字状の一対の熱線支持バーと、この一対の熱線支持バーの先端に形成した熱線支持溝に挿入されて跨るように配置され、両端部が該一対の熱線支持バーの後端部の外側面に形成された熱線支持片に巻き付け支持された熱線と、前記グリップに設けられたスイッチを介して前記一対の熱線支持バーより熱線に電流を供給する電池とで構成されているので、一対の熱線支持バーの先端に形成した熱線支持溝に挿入されて跨るように熱線が取付けられているので、発泡スチロールを切断する熱線が熱くなる部分が薄い発泡スチロール板が挿入される一対の熱線支持バー間の隙間寸法となり、熱くなる部分が小さく、安全に使用することができるとともに、消費する電力も小さく、電池を長期間使用することができる。 (1) A surface of a foamed polystyrene plate having a gap between which a rod-shaped grip and a thin foamed polystyrene plate to be cut so as to protrude outward from the tip of the grip are inserted and made of a conductive material in a pair of hot wire support bar facing surfaces of the L-shaped section comprising a parallel can be utilized as a support base for supporting, as to span is inserted into the hot wire supporting groove formed in the distal end of the pair of heat ray support bar And a pair of heat wires supported via a switch provided on the grip, and a heat wire supported on both ends of the heat wire support bar formed on the outer surface of the rear end of the pair of heat wire support bars. because it is composed of a battery for supplying current to the hot wire from the bar, so hot wire is attached so as to straddle inserted into hot wire supporting groove formed in the front end of a pair of hot wire support bar, polystyrene foam The part where the heat ray that cuts the tool becomes hot becomes the gap size between the pair of heat ray support bars into which the thin polystyrene board is inserted, and the part that becomes hot is small and can be used safely, and also consumes less power, The battery can be used for a long time.

(2)前記(1)によって、片手でグリップを持ち、スイッチをONして熱線を発泡スチロール板に押し圧したり、引っ張ったりして、手先の微妙な動きを熱線に伝えて微細な切断加工を行なうことができる。 (2) According to the above (1), holding the grip with one hand, turning on the switch, pressing or pulling the hot wire against the foamed polystyrene plate, and transmitting the delicate movement of the hand to the hot wire to perform a fine cutting process be able to.

(3)前記(1)によって、グリップに取付けられた一対の熱線支持バーを、スイッチを介して電池に接続するだけでよいので、構造が簡単で、安価に製造することができる。 (3) According to the above (1), since the pair of heat ray support bars attached to the grip need only be connected to the battery via the switch, the structure is simple and can be manufactured at low cost.

(4)前記(1)によって、一対の熱線支持バーは断面L字状であるため、切断する発泡スチロール板を支持する支持台として一対の熱線支持バーの一方を利用することができ、切断作業を正確にかつ楽に行なうことができる。 (4) According to (1), since the pair of heat ray support bars have an L-shaped cross section, one of the pair of heat ray support bars can be used as a support for supporting the foamed polystyrene plate to be cut, and the cutting work can be performed. It can be done accurately and easily.

本発明を実施するための第1の形態の正面図。The front view of the 1st form for carrying out the present invention. 本発明を実施するための第1の形態の側面図。The side view of the 1st form for carrying out the present invention. 本発明を実施するための第1の形態の平面図。The top view of the 1st form for carrying out the present invention. 本発明を実施するための第1の形態の概略回路図。The schematic circuit diagram of the 1st form for carrying out the present invention. 本発明を実施するための第1の形態の一対の熱線支持バーの先端部の説明図。Explanatory drawing of the front-end | tip part of a pair of heat ray | wire support bar of the 1st form for implementing this invention. 本発明を実施するための第1の形態の使用状態の説明図。Explanatory drawing of the use condition of the 1st form for implementing this invention. 本発明を実施するための第2の形態の正面図。The front view of the 2nd form for carrying out the present invention. 本発明を実施するための第2の形態の側面図。The side view of the 2nd form for carrying out the present invention. 本発明を実施するための第2の形態の一対の熱線支持バーの先端部の説明図。Explanatory drawing of the front-end | tip part of a pair of heat ray | wire support bar of the 2nd form for implementing this invention. 本発明を実施するための第3の形態の正面図。The front view of the 3rd form for carrying out the present invention. 本発明を実施するための第3の形態の側面図。The side view of the 3rd form for carrying out the present invention. 本発明を実施するための第3の形態の一対の熱線支持バーの先端部の説明図。Explanatory drawing of the front-end | tip part of a pair of heat ray | wire support bar of the 3rd form for implementing this invention. 本発明を実施するための第4の形態の正面図。The front view of the 4th form for carrying out the present invention. 本発明を実施するための第4の形態の側面図。The side view of the 4th form for carrying out the present invention. 本発明を実施するための第4の形態の一対の熱線支持バーの先端部の説明図。Explanatory drawing of the front-end | tip part of a pair of heat ray | wire support bar of the 4th form for implementing this invention.

以下、図面に示す本発明を実施するための形態により、本発明を詳細に説明する。   Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings.

図1ないし図6に示す本発明を実施するための第1の形態において、1は片手で持った手でスイッチをON状態にして、薄い発泡スチロール板2を任意の形状に切断加工する本発明の発泡スチロールカッターで、この発泡スチロールカッター1は棒状のグリップ3と、このグリップ3の先端部より切断する、例えば厚さが10mm〜2mmの薄い発泡スチロール板2が挿入される、該薄い発泡スチロール板2の厚さよりわずかに大きい隙間4寸法を有するように、外方へ突出するように取付けられた導電材製の対向する面が平行となる断面L字状で、隙間を除く先端部が順次小幅寸法に形成された一対の熱線支持バー5、5と、この一対の熱線支持バー5、5の先端部に形成した熱線支持溝6、6に挿入されて跨るように配置され、両端部が該一対の熱線支持バー5、5の後端部の外側面に形成された熱線支持片7、7に巻き付け支持された直径が0.1〜0.2mmのニクロムあるいはステンレス材製の熱線8と、前記グリップ3に設けられた開閉蓋9を備える電池収納室10内に収納される電池11と、この電池11の一端部に接続された固定接点12および前記電池11の他端部の接続された、通常時は前記固定接点12と接触しないように付勢された可動接点13とからなる、前記グリップ3の先端部側の外表面に取付けられたスイッチ14と、前記一対の熱線支持バー5、5の一方の熱線支持バー5と前記固定接点12あるいは前記電池11の一端部と電気的に接続させる一方の接続部材15と、前記一対の熱線支持バー5、5の他方の熱線支持バー5と前記可動接点13とを電気的に接続する他方の接続部材16とで構成されている。   In the first embodiment for carrying out the present invention shown in FIG. 1 to FIG. 6, 1 is a switch that is turned on with a hand held by one hand, and cuts a thin polystyrene plate 2 into an arbitrary shape. This foamed polystyrene cutter has a rod-shaped grip 3 and a thickness of the thin foamed polystyrene plate 2 into which a thin foamed polystyrene plate 2 having a thickness of, for example, 10 mm to 2 mm is inserted. It has an L-shaped cross section in which opposing surfaces made of conductive material that are attached so as to protrude outward so as to have a slightly large gap 4 dimension are parallel, and the tip part excluding the gap is sequentially formed in a small width dimension. The pair of heat ray support bars 5 and 5 and the heat ray support grooves 6 and 6 formed at the front ends of the pair of heat ray support bars 5 and 5 are arranged so as to straddle, A heat wire 8 made of nichrome or stainless steel having a diameter of 0.1 to 0.2 mm and wrapped around and supported by heat wire support pieces 7 and 7 formed on the outer side surfaces of the rear end portions of the pair of heat wire support bars 5 and 5; A battery 11 housed in a battery housing chamber 10 having an opening / closing lid 9 provided on the grip 3, a fixed contact 12 connected to one end of the battery 11, and the other end of the battery 11 are connected. A switch 14 mounted on the outer surface of the grip 3 on the front end side, and a pair of heat ray support bars 5, each of which includes a movable contact 13 that is normally biased so as not to contact the fixed contact 12. One heat ray support bar 5, one connection member 15 electrically connected to the fixed contact 12 or one end of the battery 11, and the other heat ray support bar 5 of the pair of heat ray support bars 5, 5 The movable contact 13 It is composed of the other connecting member 16 for electrically connecting.

上記構成の発泡スチロールカッター1はグリップ3を片手で持ち、そのグリップ3を持っている手でスイッチ14を押し圧してON状態にすると、電池11、スイッチ14の固定接点12、一方の熱線支持バー5、熱線8、他方の熱線支持バー5、スイッチ14の可動接点13、電池11と電流が流れ、一対の熱線支持バー5、5に跨るように位置する熱線8が加熱する。
この加熱された熱線8部分に下絵が描かれた発泡スチロール板2を押し圧したり、発泡スチロール板2の内側に位置した熱線8を引っ張るようにして、下絵の輪郭に沿って移動させる手先の微妙な動きにより、微小な加工を含む切断加工を行なうことができる。また、発泡スチロール板に型紙を重ね、型紙の輪郭に沿って発泡スチロール板2を切断してもよい。
スイッチ14を離すと、スイッチ14の固定接点12より可動接点13が付勢力によって離れ、自動的にOFF状態となり、熱線8への電流の供給が遮断され、加熱が停止されるとともに、周囲の温度、一対の熱線支持バー5、5の温度や熱線の径によってすぐさめて、直接さわっても火傷をしない温度に低下し、子供でも安全に使用することができる。
[発明を実施するための異なる形態]
The foamed polystyrene cutter 1 having the above-described configuration has the grip 3 with one hand, and when the switch 14 is pressed and turned on with the hand holding the grip 3, the battery 11, the fixed contact 12 of the switch 14, and the one heat ray support bar 5 are provided. , The heat wire 8, the other heat wire support bar 5, the movable contact 13 of the switch 14, the battery 11 and the current flow, and the heat wire 8 positioned across the pair of heat wire support bars 5, 5 is heated.
Subtle movement of the hand that moves along the outline of the sketch by pressing the foamed polystyrene board 2 with the sketch drawn on the heated hot wire 8 or by pulling the hot wire 8 located inside the foamed polystyrene board 2 Thus, cutting processing including minute processing can be performed. Moreover, a pattern paper may be piled up on a foamed polystyrene board, and the foamed polystyrene board 2 may be cut | disconnected along the outline of a pattern paper.
When the switch 14 is released, the movable contact 13 is separated from the fixed contact 12 of the switch 14 by the urging force and is automatically turned off, the supply of current to the heat wire 8 is cut off, the heating is stopped, and the ambient temperature The temperature of the pair of hot wire support bars 5 and 5 is quickly reduced depending on the temperature of the heat wire and the diameter of the hot wire, and the temperature is reduced to a temperature that does not cause a burn even if touched directly, so that even a child can use it safely.
[Different forms for carrying out the invention]

次に、図7ないし図15に示す本発明を実施するための異なる形態につき説明する。なお、これらの本発明を実施するための異なる形態の説明に当って、前記本発明を実施するための第1の形態と同一構成部分には同一符号を付して重複する説明を省略する。   Next, different modes for carrying out the present invention shown in FIGS. 7 to 15 will be described. In the description of the different embodiments for carrying out the present invention, the same components as those in the first embodiment for carrying out the present invention are denoted by the same reference numerals, and redundant description is omitted.

図7ないし図9に示す本発明を実施するための第2の形態において、前記本発明を実施するための第1の形態と主に異なる点は、一対の熱線支持バー5、5の先端部より少し下方位置に熱線支持溝6A、6Aを形成し、該熱線支持溝6A、6Aに熱線8を支持させた点で、このように形成した発泡スチロールカッター1Aにしても、前記本発明の第1の形態と同様な作用効果が得られるとともに、一対の熱線支持バー5、5の先端部に切断する発泡スチロール板2の端部を支持させて切断を開始することができるため、より楽に切断作業を行なうことができるとともに、熱線8が一対の熱線支持バー5、5の先端部より内側に位置するため、直接手にさわったりするのを防止できる。   The second embodiment for carrying out the present invention shown in FIGS. 7 to 9 is mainly different from the first embodiment for carrying out the present invention in that the tip portions of the pair of heat ray support bars 5 and 5 Even in the foamed polystyrene cutter 1A formed in this way, the heat ray support grooves 6A, 6A are formed in a slightly lower position, and the heat ray support grooves 6A, 6A support the heat wires 8. In addition to obtaining the same effect as that of the embodiment, it is possible to start the cutting by supporting the ends of the foamed polystyrene plate 2 to be cut at the tips of the pair of heat-ray support bars 5 and 5, so that the cutting work can be performed more easily. While being able to perform, since the heat wire 8 is located inside the tip end portions of the pair of heat wire support bars 5, 5, it can be prevented from touching the hand directly.

図10ないし図12に示す本発明を実施するための第3の形態において、前記本発明を実施するための第1の形態と主に異なる点は、一対の熱線支持バー5、5の一方の熱線支持バー5に先端部に熱線8を45度、30度に傾斜状態で配置することができる熱線貫通孔17、18を形成した点で、このように構成した発泡スチロールカッター1Bにしても、前記本発明を実施するための第1の形態と同様な作用効果が得られるとともに、熱線8の配置を変えることにより、発泡スチロール板2を垂直、45度の傾斜、30度の傾斜で切断することができる。   The third embodiment for carrying out the present invention shown in FIGS. 10 to 12 is mainly different from the first embodiment for carrying out the present invention in that one of the pair of heat ray support bars 5 and 5 is used. Even in the foamed polystyrene cutter 1B configured in this way, the heat ray through-holes 17 and 18 in which the heat ray 8 can be arranged at 45 degrees and 30 degrees in an inclined state at the tip portion are formed on the heat ray support bar 5. The same operational effects as the first embodiment for carrying out the present invention can be obtained, and by changing the arrangement of the heat wires 8, the polystyrene foam plate 2 can be cut at a vertical angle of 45 degrees and an inclination of 30 degrees. it can.

図13ないし図15に示す本発明を実施するための第4の形態において、前記本発明を実施するための第1の形態と主に異なる点は、先端部が傾斜面19、19に形成された板状の一対の熱線支持バー5A、5Aと、この一対の熱線支持バー5A、5Aの外側面にピン状の熱線支持片7A、7Aを形成した点で、このように構成した発泡スチロールカッター1Cにしても、前記本発明を実施するための第1の形態と同様な作用効果が得られる。   The fourth embodiment for carrying out the present invention shown in FIGS. 13 to 15 is mainly different from the first embodiment for carrying out the present invention in that tip portions are formed on inclined surfaces 19 and 19. The plate-shaped pair of heat ray support bars 5A, 5A and the pin-shaped heat ray support bars 7A, 7A formed on the outer surfaces of the pair of heat ray support bars 5A, 5A are thus made in a foamed polystyrene cutter 1C. However, the same effect as the first embodiment for carrying out the present invention can be obtained.

なお、前記本発明を実施するための各形態ではスイッチ14を押し圧した時にだけON状態となり、離すとOFFとなるものについて説明したが、本発明はこれに限らず、レバー操作でON、OFF状態とさせるスイッチを用いてもよい。
また、グリップ3に一対の熱線支持バー5、5の後端部を固定状態で取付けるものについて説明したが、本発明はこれに限らず、切断する発泡スチロール板2の厚さに応じて隙間を大きくしたり、小さくできるように一対の熱線支持バー5、5を平行移動させる機構を介して、グリップ3に取付けてもよい。
In each of the embodiments for carrying out the present invention, the switch is turned on only when the switch 14 is pressed and turned off when the switch 14 is released. However, the present invention is not limited to this. You may use the switch made into a state.
Moreover, although what fixed the rear-end part of a pair of heat ray support bars 5 and 5 to the grip 3 was demonstrated, this invention is not restricted to this, A clearance gap is enlarged according to the thickness of the foamed polystyrene board 2 to cut | disconnect. Or may be attached to the grip 3 via a mechanism that translates the pair of heat-ray support bars 5 and 5 so that they can be made smaller.

本発明は発泡スチロール板をカットして、作品や飾り付けを作る場合に使用される発泡スチロールカッターを製造する産業で利用される。   INDUSTRIAL APPLICATION This invention is utilized in the industry which manufactures the expanded polystyrene cutter used when cutting a expanded polystyrene board and making a work and a decoration.

1、 、1A、1B、1C:発泡スチロールカッター、
2:発泡スチロール板、 3:グリップ、
4:隙間、 5、5A:熱線支持バー、
6、6A:熱線支持溝、 7、7A:熱線支持片、
8:熱線、 9:開閉蓋、
10:電池収納室、 11:電池、
12:固定接点、 13:可動接点、
14:スイッチ、 15:一方の接続部材、
16:他方の接続部材、 17、18:熱線貫通孔、
19:傾斜面。
1, 1A, 1B, 1C: Styrofoam cutter,
2: Styrofoam board, 3: Grip,
4: gap, 5, 5A: heat ray support bar,
6, 6A: heat ray support groove, 7, 7A: heat ray support piece,
8: Hot wire, 9: Opening / closing lid,
10: Battery storage room, 11: Battery,
12: fixed contact, 13: movable contact,
14: switch, 15: one connecting member,
16: The other connecting member 17, 18: Heat ray through hole,
19: Inclined surface.

Claims (1)

棒状のグリップと、このグリップの先端部より外方へ突出するように取付けられた切断する薄い発泡スチロール板が挿入される隙間を有し、かつ導電材製で切断する発泡スチロール板を面状態で支持する支持台として利用することができる対向する面が平行となる断面L字状の一対の熱線支持バーと、この一対の熱線支持バーの先端に形成した熱線支持溝に挿入されて跨るように配置され、両端部が該一対の熱線支持バーの後端部の外側面に形成された熱線支持片に巻き付け支持された熱線と、前記グリップに設けられたスイッチを介して前記一対の熱線支持バーより熱線に電流を供給する電池とからなることを特徴とする発泡スチロールカッター。 There is a gap between the rod-shaped grip and the thin styrofoam plate to be cut so as to protrude outward from the tip of the grip, and the foamed styrofoam plate to be cut is made of a conductive material and is supported in a surface state . a pair of hot wire support bar L-shaped cross section that opposing surfaces are parallel can be utilized as a supporting base, it is arranged so as to straddle inserted into hot wire supporting groove formed in the distal end of the pair of heat ray support bar , Both ends of the pair of heat ray support bars are wound around and supported by a heat ray support piece formed on the outer surface of the rear end portion of the pair of heat ray support bars, and a heat ray from the pair of heat ray support bars via a switch provided on the grip A styrofoam cutter comprising a battery for supplying a current to the battery.
JP2009074319A 2009-03-25 2009-03-25 Styrofoam cutter Expired - Fee Related JP4612097B2 (en)

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Publication number Priority date Publication date Assignee Title
PL218855B1 (en) * 2011-04-07 2015-02-27 Zbigniew Dzieża Thermal knife for polystyrene cutting
CN103128799B (en) * 2013-03-11 2015-05-13 天津汽车模具股份有限公司 Electric wire chamfer device special for EPS (expanded polystyrene) sections

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