JP2002283691A - Closed cell foamed sponge rubber stamp material for laser processing - Google Patents
Closed cell foamed sponge rubber stamp material for laser processingInfo
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- JP2002283691A JP2002283691A JP2001092149A JP2001092149A JP2002283691A JP 2002283691 A JP2002283691 A JP 2002283691A JP 2001092149 A JP2001092149 A JP 2001092149A JP 2001092149 A JP2001092149 A JP 2001092149A JP 2002283691 A JP2002283691 A JP 2002283691A
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- rubber
- weight
- stamp material
- laser processing
- rubber stamp
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本願発明は、レーザ加工機で
彫刻するのに最適なゴム印材に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rubber stamp material most suitable for engraving with a laser beam machine.
【０００２】[0002]
【従来の技術】ゴム印材に凸状の印面を形成する方法と
してレーザ加工機を用いる方法が開発され、現在広く実
施されている。レーザ加工に用いられるゴム印材として
は、天然ゴム、ＮＢＲ、ＳＢＲ、ＣＲ、ＥＰＤＭ、シリ
コーンゴム等の従来公知の各種ゴムに、加硫剤、充填
剤、加硫促進剤、助剤等を配合し、これを加硫したゴム
印材が用いられている。しかし、これらのゴム印材はゴ
ム内部に全く空隙を有さない密状態であるので、レーザ
加工を施すとゴムが溶けてべたついたり、ゴムカスがレ
ーザ光にて燃焼し発火する恐れがあり、また、加工時間
が長くかかるという欠点があった。一方、特開平８−２
３０２９５号のように連続気泡を有するスポンジゴム印
材が公知となっており、これは前記欠点を解決すること
ができるが、製造方法が複雑で高価なものとなる欠点が
あった。2. Description of the Related Art A method using a laser beam machine has been developed as a method for forming a convex stamp surface on a rubber stamp material, and is currently widely practiced. As rubber stamps used for laser processing, various known rubbers such as natural rubber, NBR, SBR, CR, EPDM, and silicone rubber are blended with a vulcanizing agent, a filler, a vulcanization accelerator, an auxiliary agent, and the like. A vulcanized rubber stamp material is used. However, since these rubber stamps are in a dense state without any voids inside the rubber, when laser processing is performed, the rubber may melt and become sticky, or the rubber residue may be ignited by burning with a laser beam, There was a disadvantage that the processing time was long. On the other hand, JP-A-8-2
Japanese Patent No. 30295 discloses a sponge rubber stamp material having open cells, which can solve the above-mentioned disadvantage, but has a disadvantage that the production method is complicated and expensive.
【０００３】[0003]
【発明が解決しようとする課題】そこで、本発明者はレ
ーザ加工時にゴムが溶けてべたついたり、発火する欠点
を克服すると共に加工時間を短縮でき、安価なゴム印材
を提供するものである。SUMMARY OF THE INVENTION Accordingly, the present inventor has provided an inexpensive rubber stamp material which can overcome the disadvantages of rubber being melted and sticky or ignited during laser processing, shortening the processing time, and reducing the processing time.
【０００４】[0004]
【課題を解決するための手段】ゴム、加硫剤、充填剤等
と、熱膨張性マイクロカプセルの混合物を加硫発泡して
得られるレーザ加工用独立気泡スポンジゴム印材。SUMMARY OF THE INVENTION A closed cell sponge rubber stamp for laser processing obtained by vulcanizing and foaming a mixture of rubber, a vulcanizing agent, a filler, and the like, and a thermally expandable microcapsule.
【０００５】[0005]
【発明の実施の形態】ゴム、加硫剤、充填剤等と、熱膨
張性マイクロカプセルを混練した混合物をシート状に成
形して金型等にて加硫すると、熱膨張性マイクロカプセ
ルが２倍以上に発泡し、気泡ひとつひとつが独立かつ均
一に分散したゴム印材が得られる。この独立気泡を有す
るゴム印材は、印材として好適な物性をそのままにゴム
密度を低下させ、軽量化を図ることができる。BEST MODE FOR CARRYING OUT THE INVENTION A mixture obtained by kneading a rubber, a vulcanizing agent, a filler and the like and a heat-expandable microcapsule is formed into a sheet and vulcanized with a mold or the like. A rubber stamp material which foams more than twice and in which each cell is dispersed independently and uniformly is obtained. The rubber stamp material having the closed cells can reduce the rubber density while maintaining the physical properties suitable for the stamp material, and can reduce the weight.
【０００６】以下、本発明を詳細に説明する。本発明の
ゴム印材は熱膨張性マイクロカプセルを除き、一般のゴ
ム印材と同様な物質を使用することができ、主材となる
原料ゴム、加硫剤、充填剤、軟化剤、着色剤、老化防止
剤、その他の添加剤などから構成される。原料ゴムとし
ては、天然ゴム、アクリロニトリル−ブタジエンゴム、
スチレン−ブタジエンゴム、クロロプレンゴム、ポリウ
レタンゴム、エチレン−プロピレンゴム、エチレン−プ
ロピレン−ジエンゴム、シリコーンゴム等の従来公知の
各種ゴムを用いることができる。加硫剤としては、前記
ゴムを加硫するのに通常用いるものであれば特に問題な
く使用でき、硫黄、硫黄化合物、過酸化物などを用いる
ことができる。充填剤としては、硫酸バリウム、炭酸カ
ルシウム、珪酸、珪酸マグネシウム、珪酸カルシウム、
珪酸水和物、クレー、タルク、胡粉等を用いることがで
きる。軟化剤としては、パラフィン系プロセスオイル、
ナフテン系プロセスオイル、アロマティック系プロセス
オイル等を用いることができる。着色剤としては、カー
ボンブラック、チタンホワイト、群青、フタロシアニ
ン、ベンガラ、クロム酸鉛等を用いることができる。老
化防止剤としては、フェノール、ワックス等を用いるこ
とができる。また他に、加硫助剤としてステアリン酸亜
鉛、ステアリン酸、亜鉛華、酸化亜鉛、酸化マグネシウ
ム等や、加硫促進剤としてチアゾール類、チウラム類、
スルフェンアミド類、ジチオカルバミン酸塩類等や、活
性剤としてポリオキシエチレン誘導体等の添加剤を用い
ることもできる。更に、本発明は熱膨張性マイクロカプ
セルを配合することを特徴とする。本発明に用いること
のできる熱膨張性マイクロカプセルは、熱可塑性プラス
チック殻内に少量の液状炭化水素を内包している粒径５
〜１７μｍの粉末状物質であって、直接又は間接的に５
０〜２５０℃程度に加熱することにより膨張して体積が
増え、少なくとも２倍以上に、完全に膨張した時には４
０倍以上にまで膨張するものである。具体的には、エク
スパンセルマイクロスフェアー（日本フィライト株式会
社製）、マツモトマイクロスフェアー（松本油脂製薬株
式会社製）などを用いることができる。前記熱膨張性マ
イクロカプセルは、硬度等の物性を維持する為にゴム混
合物中１〜１０重量％配合することが好ましく、他の物
質と混合すると均一に分散したゴム混合物となる。Hereinafter, the present invention will be described in detail. The rubber stamping material of the present invention can use the same substances as general rubber stamping materials, except for the thermal expansion microcapsules, and the raw material rubber, vulcanizing agent, filler, softening agent, coloring agent, and aging which are the main materials It is composed of an inhibitor and other additives. As raw rubber, natural rubber, acrylonitrile-butadiene rubber,
Various conventionally known rubbers such as styrene-butadiene rubber, chloroprene rubber, polyurethane rubber, ethylene-propylene rubber, ethylene-propylene-diene rubber, and silicone rubber can be used. The vulcanizing agent can be used without any particular problem as long as it is usually used for vulcanizing the rubber, and sulfur, sulfur compounds, peroxides and the like can be used. Fillers include barium sulfate, calcium carbonate, silicic acid, magnesium silicate, calcium silicate,
Silicic acid hydrate, clay, talc, chalk and the like can be used. As a softener, paraffin-based process oil,
Naphthenic process oils, aromatic process oils and the like can be used. As the coloring agent, carbon black, titanium white, ultramarine, phthalocyanine, red iron oxide, lead chromate and the like can be used. As the antioxidant, phenol, wax and the like can be used. In addition, as a vulcanization aid, zinc stearate, stearic acid, zinc white, zinc oxide, magnesium oxide and the like, and as a vulcanization accelerator, thiazoles, thiurams,
Additives such as sulfenamides and dithiocarbamates, and polyoxyethylene derivatives as activators can also be used. Further, the present invention is characterized in that heat-expandable microcapsules are blended. The heat-expandable microcapsules that can be used in the present invention have a particle diameter of 5 containing a small amount of liquid hydrocarbon in a thermoplastic shell.
~ 17 μm powdered material, directly or indirectly
When heated to about 0 to 250 ° C., it expands and its volume increases.
It expands to 0 times or more. Specifically, Expancel Microsphere (manufactured by Nippon Philite Co., Ltd.), Matsumoto Microsphere (manufactured by Matsumoto Yushi Seiyaku Co., Ltd.) and the like can be used. The heat-expandable microcapsules are preferably blended in an amount of 1 to 10% by weight in the rubber mixture in order to maintain physical properties such as hardness, and when mixed with other substances, the rubber mixture becomes a uniformly dispersed rubber mixture.
【０００７】次に、本発明ゴム印材の製造方法について
説明する。原料ゴム、加硫剤、充填剤、軟化剤、着色
剤、老化防止剤、加硫助剤、加硫促進剤等の添加剤と、
熱膨張性マイクロカプセルをミキシングロールにてよく
混練してゴム混合物とした後、カレンダーロールにてシ
ート出し、これを金型に収容し、温度１００〜２００
℃、圧力１０〜１００ｋｇ/ｃｍ2、時間１０〜２０分で
加硫成形し、その後離型してシート状のゴム印材を得
る。このようにして得られたゴム印材は、熱膨張性マイ
クロカプセルが２倍以上に発泡しており、気泡ひとつひ
とつが独立かつ均一に分散した状態のスポンジゴムとな
っている。前記熱膨張性マイクロカプセルの配合量を調
節することによって独立気泡の個数をコントロールする
ことができ、加硫時の温度又は時間を調節することによ
って独立気泡の大きさをコントロールすることができ
る。通常、ゴム印材をスポンジ化すると硬度が低下する
ので、細断した有機系合成繊維等を混在させて硬度を上
げることもできる。Next, a method for producing the rubber stamp material of the present invention will be described. Raw rubber, vulcanizing agents, fillers, softeners, coloring agents, antioxidants, vulcanization aids, additives such as vulcanization accelerators,
After the heat-expandable microcapsules were thoroughly kneaded with a mixing roll to form a rubber mixture, a sheet was taken out with a calender roll, and this was accommodated in a mold, and the temperature was 100 to 200.
Vulcanization molding is performed at a temperature of 10 ° C., a pressure of 10 to 100 kg / cm 2 and a time of 10 to 20 minutes. The rubber stamp material thus obtained has sponge rubber in which the thermally expandable microcapsules are foamed twice or more, and each of the bubbles is independently and uniformly dispersed. The number of closed cells can be controlled by adjusting the amount of the thermally expandable microcapsules, and the size of the closed cells can be controlled by adjusting the temperature or time during vulcanization. Usually, when a rubber stamp material is sponged, the hardness is reduced. Therefore, the hardness can be increased by mixing shredded organic synthetic fibers or the like.
【０００８】次に、印字体の作成方法について説明す
る。レーザ加工機を用いて前記ゴム印材に彫刻して印面
を作成するには、まず写植機等で版下原稿を作成し、次
に当該版下原稿をイメージスキャナー等によりスキャン
してデータ化処理しておき、又は、コンピューター上で
直接組版して版下をデータ化処理しておく。次に、前記
ゴム印材を円筒ドラムに巻きつけ、前記データに基づき
ゴム印材に垂直にレーザ光を照射する。そして、円筒ド
ラムを回転させつつ軸芯方向に移動させながら走査させ
ると版下通りに彫刻を行なうことができる。円筒ドラム
は、周速１５０〜２２０ｃｍ/ｓ、走査ピッチ２５〜５
０μｍ程度で使用され、レーザ光は炭酸ガスレーザ・Ｙ
ＡＧレーザ等が使用され、出力は５０〜１２００Ｗ、ス
ポットの大きさは５０〜１００μｍ程度で使用される。Next, a method for producing a printed body will be described. In order to create a stamped surface by engraving the rubber stamp material using a laser processing machine, first create a copy original with a photosetting machine or the like, and then scan the copy original with an image scanner or the like and perform data processing. Or typesetting directly on a computer to convert the composition into data. Next, the rubber stamp is wound around a cylindrical drum, and the rubber stamp is irradiated with a laser beam vertically based on the data. Then, when scanning while rotating the cylindrical drum and moving it in the axial direction, engraving can be performed as under the printing. The cylindrical drum has a peripheral speed of 150 to 220 cm / s and a scanning pitch of 25 to 5
It is used at about 0 μm, and the laser beam is carbon dioxide laser
An AG laser or the like is used, and the output is 50 to 1200 W and the spot size is about 50 to 100 μm.
【０００９】また、本発明のゴム印材を用いて回転印用
無端ベルトを得ることもできる。主材となるゴム、加硫
剤、充填剤、軟化剤、着色剤、老化防止剤、加硫促進
剤、加硫助剤等の添加剤と、熱膨張性マイクロカプセル
をミキシングロールにてよく混練してゴム混合物とした
後、カレンダーロールにてシート出し、これを金型に収
容し、その上に補強用の布を重ね、温度１００〜２００
℃、圧力１０〜１００ｋｇ/ｃｍ2、時間１０〜２０分で
加硫し、その後離型する。そうするとシート状加硫ゴム
が得られ、これをレーザ加工機にて彫刻加工した後、シ
ート状加硫ゴムの一方の端のゴムを剥離し、剥離した部
分にゴム溶剤に溶かした同一成分の未加硫ゴムやゴムの
りを塗布した後、他方の端と重ね合わせ温度１００〜２
００℃、圧力５ｋｇ/ｃｍ2で加硫接着して無端の環状体
とし、これを所要幅に切断すれば、回転印用無端ベルト
を得ることができる。Further, an endless belt for rotary marking can be obtained by using the rubber stamping material of the present invention. The main rubber, vulcanizing agent, filler, softener, colorant, anti-aging agent, vulcanization accelerator, vulcanization aid, and other additives, and the heat-expandable microcapsules are well kneaded with a mixing roll. After the rubber mixture, a sheet was taken out by a calender roll, this was put into a mold, and a cloth for reinforcement was put thereon, and the temperature was 100 to 200.
The composition is vulcanized at a temperature of 10 ° C., a pressure of 10 to 100 kg / cm 2 , and a time of 10 to 20 minutes, and then is released. Then, a sheet-like vulcanized rubber is obtained. After engraving the sheet-like vulcanized rubber, the rubber at one end of the sheet-like vulcanized rubber is peeled off. After applying the vulcanized rubber or rubber paste, it is superimposed on the other end at a temperature of 100 to 2
By vulcanizing and bonding at 00 ° C. and a pressure of 5 kg / cm 2 to form an endless annular body, which is cut into a required width, an endless belt for rotary marking can be obtained.
【００１０】以下、本発明を実施例により説明する。し
かしながら、本発明は実施例により何等限定されるもの
ではない。Hereinafter, the present invention will be described with reference to examples. However, the present invention is not limited at all by the examples.
【実施例１】 スチレン−ブタジエンゴム ４０重量％ 硫黄 １重量％ クレー ２０重量％ 珪酸 ２５重量％ プロセスオイル ３重量％ カーボンブラック ２重量％ 酸化亜鉛 ２重量％ ジベンゾチアジルスルフィド １重量％ ポリオキシエチレンオレイルエーテル １重量％ エクスパンセルマイクロスフェアー（日本フィライト株式会社製熱膨張性マイク ロカプセル） ５重量％ 上記物質を前記製造方法にて加硫成形し、シート状黒色
のゴム印材を得た。Example 1 Styrene-butadiene rubber 40% by weight Sulfur 1% by weight Clay 20% by weight Silicic acid 25% by weight Process oil 3% by weight Carbon black 2% by weight Zinc oxide 2% by weight Dibenzothiazyl sulfide 1% by weight Polyoxyethylene oleyl Ether 1% by weight Expancel Microspheres (thermally expandable microcapsules manufactured by Nippon Philite Co., Ltd.) 5% by weight The above substance was vulcanized and molded by the above-mentioned production method to obtain a sheet-like black rubber stamp material.
【００１１】[0011]
【実施例２】 アクリロニトリル−ブタジエンゴム ３５重量％ 硫黄 １重量％ 硫酸バリウム ２４重量％ 炭酸カルシウム ２５重量％ プロセスオイル ５重量％ 群青 ４重量％ ステアリン酸 １重量％ 酸化亜鉛 １重量％ ジベンゾチアジルスルフィド ２重量％ ポリオキシエチレンオレイルエーテル １重量％ エクスパンセルマイクロスフェアー（日本フィライト株式会社製熱膨張性マイク ロカプセル） １重量％ 上記物質を前記製造方法にて加硫成形し、シート状青色
のゴム印材を得た。Example 2 Acrylonitrile-butadiene rubber 35% by weight Sulfur 1% by weight Barium sulfate 24% by weight Calcium carbonate 25% by weight Process oil 5% by weight Ultramarine 4% by weight Stearic acid 1% by weight Zinc oxide 1% by weight Dibenzothiazyl sulfide 2 1% by weight Polyoxyethylene oleyl ether 1% by weight Expancel Microsphere (thermally expandable microcapsule manufactured by Nippon Philite Co., Ltd.) 1% by weight The above substance is vulcanized and molded by the above-mentioned method, and a sheet-shaped blue rubber stamp material is used. I got
【００１２】[0012]
【実施例３】 天然ゴム ３８重量％ 硫黄 １重量％ 硫酸バリウム ４０重量％ プロセスオイル ５重量％ ベンガラ ２重量％ ステアリン酸 １重量％ 酸化亜鉛 １重量％ ジベンゾチアジルスルフィド １重量％ ポリオキシエチレンオレイルエーテル １重量％ エクスパンセルマイクロスフェアー（日本フィライト株式会社製熱膨張性マイク ロカプセル） １０重量％ 上記物質を前記製造方法にて加硫成形し、シート状赤色
のゴム印材を得た。Example 3 Natural rubber 38% by weight Sulfur 1% by weight Barium sulfate 40% by weight Process oil 5% by weight Bengala 2% by weight Stearic acid 1% by weight Zinc oxide 1% by weight Dibenzothiazyl sulfide 1% by weight Polyoxyethylene oleyl ether 1% by weight Expancel Microspheres (thermally expandable microcapsules manufactured by Nippon Philite Co., Ltd.) 10% by weight The above-mentioned substance was vulcanized and formed by the above-mentioned production method to obtain a sheet-like red rubber stamp material.
【００１３】出力１０００Ｗ・スポット５０μｍの炭酸
ガスレーザを用いたレーザ加工機にて前記各実施例のゴ
ム印材を加工すると、べたつきを生じず、ゴムカスもほ
とんど生じなかった。また、前記各実施例から熱膨張性
マイクロカプセルを除いた配合にてそれぞれゴム印材を
作成し、出力１０００Ｗ・スポット５０μｍの炭酸ガス
レーザを用いたレーザ加工機にて加工したところ、前記
各実施例に対し２〜５倍の加工時間を要した。When the rubber stamping material of each of the above embodiments was processed by a laser processing machine using a carbon dioxide gas laser having an output of 1000 W and a spot of 50 μm, no stickiness was generated and almost no rubber residue was generated. In addition, rubber stamps were prepared in the respective formulations except for the heat-expandable microcapsules, and processed by a laser processing machine using a carbon dioxide laser with an output of 1000 W and a spot of 50 μm. On the other hand, the processing time required was 2 to 5 times.
【００１４】[0014]
【発明の効果】本願発明は、レーザ加工時及びレーザ加
工後においても、印材ゴムが溶けてべたつくことがなく
鮮明な輪郭の印面を容易に彫刻でき、ゴムカスもほとん
ど生じないので発火する恐れが極めて少なく、かつ、レ
ーザで消失させなければならないゴム量が少なくて済む
ので短い時間で加工することができる。また、加硫する
際に金型と未加硫シートが接触する部分において熱可塑
性マイクロカプセルが膨張して微小の凹凸を形成するの
で、加硫後のゴム印材表面に梨地模様が形成され、よっ
て捺印する際は印面におけるインキの濡れ性が向上して
多量のインキを付着させることができるので、鮮明な印
影を得ることができる。更に、加硫する際、熱可塑性マ
イクロカプセルが膨張し、ゴム内部からも圧力がかかる
ので、金型と未加硫シートとの間の空気を押し出すこと
ができ、ゴム印材のピンホールを無くすことができる。
また、軽量化が図れるので、持ち運びが容易である。According to the present invention, the marking material rubber can be easily engraved without melting and sticky, and the engraved surface can be easily engraved without causing any stickiness even during laser processing and after laser processing. Processing can be performed in a short time since the amount of rubber that must be eliminated by the laser is small. In addition, the thermoplastic microcapsules expand at the portion where the mold and the unvulcanized sheet come into contact with each other during vulcanization to form fine irregularities, so that a satin pattern is formed on the surface of the rubber stamp material after vulcanization, At the time of stamping, the wettability of the ink on the printing surface is improved and a large amount of ink can be adhered, so that a clear imprint can be obtained. Furthermore, when vulcanizing, the thermoplastic microcapsules expand and pressure is applied from inside the rubber, so that air between the mold and the unvulcanized sheet can be pushed out, eliminating pinholes in the rubber stamp material. Can be.
Further, since the weight can be reduced, it is easy to carry.
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 4F074 AA05 AA06 AA12 AA13 AC02 AC03 AC21 AC26 AC30 AC36 AD01 AD09 AD14 AG01 AG02 AG06 AG20 BA91 BB01 CA23 CA24 CC03Y CC04Y CC22X DA59 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4F074 AA05 AA06 AA12 AA13 AC02 AC03 AC21 AC26 AC30 AC36 AD01 AD09 AD14 AG01 AG02 AG06 AG20 BA91 BB01 CA23 CA24 CC03Y CC04Y CC22X DA59
Claims (1)
イクロカプセルの混合物を加硫発泡して得られるレーザ
加工用独立気泡スポンジゴム印材。1. A closed-cell sponge rubber stamp for laser processing obtained by vulcanizing and foaming a mixture of rubber, a vulcanizing agent, a filler and the like and a heat-expandable microcapsule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001092149A JP2002283691A (en) | 2001-03-28 | 2001-03-28 | Closed cell foamed sponge rubber stamp material for laser processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001092149A JP2002283691A (en) | 2001-03-28 | 2001-03-28 | Closed cell foamed sponge rubber stamp material for laser processing |
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| Publication Number | Publication Date |
|---|---|
| JP2002283691A true JP2002283691A (en) | 2002-10-03 |
Family
ID=18946663
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| Application Number | Title | Priority Date | Filing Date |
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| JP2001092149A Pending JP2002283691A (en) | 2001-03-28 | 2001-03-28 | Closed cell foamed sponge rubber stamp material for laser processing |
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| JP (1) | JP2002283691A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010000598A (en) * | 2008-06-18 | 2010-01-07 | Shachihata Inc | Porous printing material and method for manufacturing porous printing body |
| US20140088211A1 (en) * | 2011-05-09 | 2014-03-27 | Nitto Denko Corporation | Thermally foamable resin composition, thermally foamable resin sheet, foam, and production method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04246440A (en) * | 1991-01-31 | 1992-09-02 | Japan Synthetic Rubber Co Ltd | Rubber composition |
| JPH08269248A (en) * | 1995-03-29 | 1996-10-15 | Kinugawa Rubber Ind Co Ltd | Rubber composition |
| JPH1016178A (en) * | 1996-07-03 | 1998-01-20 | Kureha Elastomer Kk | Rubber stamp member for laser processing and production thereof |
| JPH1060151A (en) * | 1996-08-19 | 1998-03-03 | Kin Yosha Kk | Production of sponge rubber |
| JPH11254798A (en) * | 1998-03-13 | 1999-09-21 | Shachihata Inc | Rubber printing body |
| JP2000141846A (en) * | 1998-11-05 | 2000-05-23 | Shachihata Inc | Rubber seal material for laser processing and its rubber printing element |
| JP2000198871A (en) * | 1998-12-29 | 2000-07-18 | Nisshin Kako Kk | Gas-containing, nonexpanded elastomer product and its production |
| JP2000238398A (en) * | 1998-12-25 | 2000-09-05 | Mitsubishi Pencil Co Ltd | Manufacture of porous rubber-like member having open cell pores and porous rubber-like member having open cell pores |
| JP2001030596A (en) * | 1999-07-26 | 2001-02-06 | Shachihata Inc | Print body |
-
2001
- 2001-03-28 JP JP2001092149A patent/JP2002283691A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04246440A (en) * | 1991-01-31 | 1992-09-02 | Japan Synthetic Rubber Co Ltd | Rubber composition |
| JPH08269248A (en) * | 1995-03-29 | 1996-10-15 | Kinugawa Rubber Ind Co Ltd | Rubber composition |
| JPH1016178A (en) * | 1996-07-03 | 1998-01-20 | Kureha Elastomer Kk | Rubber stamp member for laser processing and production thereof |
| JPH1060151A (en) * | 1996-08-19 | 1998-03-03 | Kin Yosha Kk | Production of sponge rubber |
| JPH11254798A (en) * | 1998-03-13 | 1999-09-21 | Shachihata Inc | Rubber printing body |
| JP2000141846A (en) * | 1998-11-05 | 2000-05-23 | Shachihata Inc | Rubber seal material for laser processing and its rubber printing element |
| JP2000238398A (en) * | 1998-12-25 | 2000-09-05 | Mitsubishi Pencil Co Ltd | Manufacture of porous rubber-like member having open cell pores and porous rubber-like member having open cell pores |
| JP2000198871A (en) * | 1998-12-29 | 2000-07-18 | Nisshin Kako Kk | Gas-containing, nonexpanded elastomer product and its production |
| JP2001030596A (en) * | 1999-07-26 | 2001-02-06 | Shachihata Inc | Print body |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010000598A (en) * | 2008-06-18 | 2010-01-07 | Shachihata Inc | Porous printing material and method for manufacturing porous printing body |
| US20140088211A1 (en) * | 2011-05-09 | 2014-03-27 | Nitto Denko Corporation | Thermally foamable resin composition, thermally foamable resin sheet, foam, and production method thereof |
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