JPS6351161A - Recording apparatus - Google Patents
Recording apparatusInfo
- Publication number
- JPS6351161A JPS6351161A JP61195181A JP19518186A JPS6351161A JP S6351161 A JPS6351161 A JP S6351161A JP 61195181 A JP61195181 A JP 61195181A JP 19518186 A JP19518186 A JP 19518186A JP S6351161 A JPS6351161 A JP S6351161A
- Authority
- JP
- Japan
- Prior art keywords
- transfer
- recording medium
- recording
- image
- roller
- 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
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 abstract description 8
- 239000003086 colorant Substances 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000020169 heat generation Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 21
- 238000010438 heat treatment Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000012790 adhesive layer Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 239000011162 core material Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 230000031700 light absorption Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 239000003094 microcapsule Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920006380 polyphenylene oxide Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000001454 recorded image Methods 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000000859 sublimation Methods 0.000 description 2
- 230000008022 sublimation Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229920000298 Cellophane Polymers 0.000 description 1
- 206010011224 Cough Diseases 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
- 229920000084 Gum arabic Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 241000978776 Senegalia senegal Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 235000010489 acacia gum Nutrition 0.000 description 1
- 239000000205 acacia gum Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
- B41J2/325—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads by selective transfer of ink from ink carrier, e.g. from ink ribbon or sheet
Landscapes
- Electronic Switches (AREA)
- Impression-Transfer Materials And Handling Thereof (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明はプリンターや複写機、或いはファクシミリ等に
利用出来る記録装置に関する。DETAILED DESCRIPTION OF THE INVENTION <Field of Industrial Application> The present invention relates to a recording device that can be used in printers, copying machines, facsimile machines, and the like.
〈従来の技術〉
近年、情報産業の急速な発展に伴って種々の情報処理シ
ステムが開発され、またそれぞれの情報処理システムに
適した記録装置が開発されている。<Prior Art> In recent years, with the rapid development of the information industry, various information processing systems have been developed, and recording devices suitable for each information processing system have also been developed.
上記記録装置の一つとして怒熱転写記録装置がある。こ
れは熱溶融性バインダー中に着色剤を分散させてなる熱
溶融性インクをリボン状の支持体に塗布してなるインク
リボンを用いて、記録紙に記録を行うものである。One of the above-mentioned recording devices is an angry heat transfer recording device. In this method, recording is performed on a recording paper using an ink ribbon made by coating a ribbon-shaped support with a heat-melt ink made by dispersing a colorant in a heat-melt binder.
即ち、前記インクリボンをその熱溶融性インク層が記録
紙に接するように重ね合わすと共に、該インクリボン及
び記録紙を熱ヘッドとプラテンとの間へ搬送し、前記イ
ンクリボンの支持体側から熱ヘッドによって画信号に応
したパルス状の携を印加すると共に、両者を圧接して溶
融したインクを記録紙に転写することにより、記録紙上
に熱印加に応じたインク像を記録してなるものである。That is, the ink ribbons are stacked so that their heat-melting ink layers are in contact with the recording paper, and the ink ribbon and the recording paper are conveyed between the thermal head and the platen, and the ink ribbon is transferred from the support side of the ink ribbon to the thermal head. By applying pulse-like radiation corresponding to the image signal and pressing the two together and transferring the melted ink to the recording paper, an ink image corresponding to the heat application is recorded on the recording paper. .
上記記録装置は使用する装置が小型軽量にして騒音がな
く、更にＯ通紙に記録を行なうことが出来るので、近年
広く使用されている。The above-mentioned recording apparatus has been widely used in recent years because it is small and lightweight, makes no noise, and can record on O-sheets.
〈発明が解決しようとした問題点〉
しかしながら、従来の８熱転写記録装置にも問題点がな
い３尺ではない。<Problems to be Solved by the Invention> However, the conventional 8-temperature transfer recording device is not without its problems.
それは、従来の感熱転写記録！Ａ置は転写記録性能、即
ち画像品位が記録紙の表面平滑度により大きく影古され
、平滑性の高い記録紙には良好な画像記録が行なわれる
ものの、平滑性の低い記録紙の場合には画像記録品位が
低下する恐れがある。That's conventional thermal transfer recording! At position A, the transfer recording performance, that is, the image quality, is greatly affected by the surface smoothness of the recording paper. Although good image recording is performed on highly smooth recording paper, in the case of recording paper with low smoothness, Image recording quality may deteriorate.
また従来の感熱転写記録装置では多色の画像を得ようと
した場合、転写を繰り返して色を重ね合わず必要がある
。その為に複数の熱ヘッドを設けたり、或いは記録紙に
停止、逆送等複雑な動きをさせなければならず、色ずれ
が避けられないばかりでなく、装置全体が大きく複雑に
なってしまう等の問題点がある。Furthermore, when attempting to obtain a multicolor image with a conventional thermal transfer recording device, it is necessary to repeat transfer to avoid overlapping the colors. For this purpose, it is necessary to provide multiple thermal heads or to make complicated movements such as stopping and reversing the recording paper, which not only makes color misalignment unavoidable, but also makes the entire device large and complicated. There is a problem with this.
〈問題点を解決するための手段〉
そこで本件出願人は光熱窓応性の高分子材料を用い、熱
エネルギーと光エネルギーとを与えたとき、その高分子
の反応が急激に進んで転写特性が不可逆的に変化して、
画信号に応じた前記特性の違いによる像を形成し、それ
を被記録媒体に転写する記録装置を提案した（特願昭６
０−１５０５９７号）。<Means for solving the problem> Therefore, the applicant used a photothermal window-responsive polymer material, and when thermal energy and light energy were applied, the reaction of the polymer rapidly progressed and the transfer characteristics were irreversible. changed,
We proposed a recording device that forms an image based on the difference in characteristics according to the image signal and transfers it to a recording medium (patent application filed in 1983).
0-150597).
この記録装置によれば、表面平滑度の低い被記録媒体に
も高品位の画像を記録することが可能であり、また多色
記録に応用した場合には、被記録媒体に複雑な動きをさ
せることなく多色の画像が得られるものである。According to this recording device, it is possible to record high-quality images even on recording media with low surface smoothness, and when applied to multicolor recording, it is possible to make complex movements on the recording medium. This allows you to obtain multicolor images without any problems.
本発明は前記記録装置を更に発展させたものであって、
転写記録媒体と被記録媒体との分離手段の温度上昇を抑
え、安定した画像を得ることが出来る記録装置を提供せ
んとしたものである。The present invention further develops the recording device, and includes:
It is an object of the present invention to provide a recording device that can suppress the temperature rise of a means for separating a transfer recording medium and a recording medium and obtain stable images.
その為の手段は、複数種のエネルギーが付与されること
によって転写特性が変化する転写記録層を有する転写記
録媒体を用いて被記録媒体に画像を記録する装置であっ
て、転写記録媒体を搬送する搬送手段と、ＫＡ？ 搬送
手段によって搬送される前記転写記録媒体の搬送経路に
沿って設けられた転写記録媒体にエネルギーを付与する
ための付与手段を有する記録部と、該記録部で転写記録
媒体に形成された像を被記録媒体に転写するための転写
部と、転写後の転写記録媒体と被記録媒体を分離する分
離手段と、前記転写部と分離手段との間に４ｐ手段とを
有することを特徴としてなるものである。The means for this purpose is a device that records an image on a recording medium using a transfer recording medium having a transfer recording layer whose transfer characteristics change by applying multiple types of energy, and which conveys the transfer recording medium. The transportation means and KA? a recording unit provided along a conveyance path of the transfer recording medium conveyed by the conveyance means and having an applying means for applying energy to the transfer recording medium; and an image formed on the transfer recording medium by the recording unit. The recording medium is characterized by having a transfer section for transferring data to a recording medium, a separation means for separating the transferred recording medium and the recording medium after transfer, and a 4P means between the transfer section and the separation means. It is.
〈作用〉
上記手段によれば転写記録媒体と被記録媒体を装置にセ
ットして記録をすると、記録部に於いて転写記録媒体に
複数種のエネルギーが付与されて像が形成され、咳像が
転写部に於いて被記録媒体に転写される。<Operation> According to the above means, when a transfer recording medium and a recording medium are set in the apparatus and recording is performed, multiple types of energy are applied to the transfer recording medium in the recording section to form an image, and a cough image is formed. The image is transferred to the recording medium in the transfer section.
また転写部が発熱したとしても、ε熱手段によって分ｉ
’ｉｌ１手段の温度上昇は抑えられるので、安定した画
像転写が行われる。Furthermore, even if the transfer section generates heat, the ε heating means
Since the temperature rise of the 'il1 means is suppressed, stable image transfer is performed.
〈実施例〉 次に上記手段を適用した本発明の一実施例を説明する。<Example> Next, an embodiment of the present invention to which the above means is applied will be described.
第１図（Ａ）は記録装置の断面概略説明図であり、第１
図（Ｂ）は斜視説明図である。FIG. 1(A) is a cross-sectional schematic explanatory diagram of the recording device, and the first
Figure (B) is a perspective explanatory view.
図に於いて、■は長尺シート状の転写記録媒体であって
、ロール状に巻き回して供給ロール２として装置本体Ｍ
に着脱可能に組み込まれている。In the figure, ■ is a long sheet-like transfer recording medium, which is wound into a roll and used as a supply roll 2 on the apparatus main body M.
It is removably incorporated into the.
即ち、この供給ロール２は、装置本体Ｍに設けられた回
転自在の軸２ａに着脱可能に装填される。That is, this supply roll 2 is removably loaded onto a rotatable shaft 2a provided in the main body M of the apparatus.
そこで先ずこの転写記録媒体ｌの先端を供給ロール２、
ガイドローラ１２ａ、記録へラド３ａ及びガイドローラ
１２ｂを経由し、転写ローラ４ａと加圧ローラ４ｂの間
からｆｆ１ｌｌ離ローラ５、ガイドローラ１２Ｃによっ
て変向して巻取りロール６へ至らせ、その先端を巻取り
ロール６にグリッパ−（図示セず）等の手段により係止
する。その後は巻取りロール６を公知の駆動手段によっ
て駆動回転させることによって、転写記録媒体１が矢印
ａ方向に繰り出され、巻取りロール６の周面に順次巻き
取られていくものである。First, the leading edge of this transfer recording medium l is placed on the supply roll 2.
It passes through the guide roller 12a, the recording head 3a, and the guide roller 12b, and is changed direction from between the transfer roller 4a and the pressure roller 4b by the ff1ll release roller 5 and the guide roller 12C, and reaches the winding roll 6, and the tip thereof. is secured to the take-up roll 6 by means such as a gripper (not shown). Thereafter, by driving and rotating the take-up roll 6 by a known driving means, the transfer recording medium 1 is fed out in the direction of arrow a and is sequentially wound around the circumferential surface of the take-up roll 6.
尚、前記巻き取りの際に供給ロール２には例えばヒステ
リシスブレーキ（図示せず）によって−定のバックテン
ションが与えられ、このテンション及び前記ガイドロー
ラ１２ａ、１２ｂによって、転写記録媒体１は記録ヘッ
ド３ａに対して一定の圧力で、且つ一定の角度で圧接し
つつ搬送されるように構成されている。Note that during the winding, a constant back tension is applied to the supply roll 2 by, for example, a hysteresis brake (not shown), and this tension and the guide rollers 12a, 12b cause the transfer recording medium 1 to move toward the recording head 3a. It is configured to be conveyed while being pressed against the object at a certain pressure and at a certain angle.
次に前記各部の構成について個々説明する。Next, the configuration of each of the above-mentioned parts will be individually explained.
先ず転写記録媒体１は、第２図に示す如くシート状の支
持体ｌａ上に熱エネルギーと光エネルギーとが共に付与
された場合に像を形成し得る性質を有する転写記録１１
ｂを付着してなるものである。First, as shown in FIG. 2, the transfer recording medium 1 is a transfer record 11 having the property of forming an image when both thermal energy and light energy are applied onto a sheet-like support la.
It is made by attaching b.
その−例を説明すると、第２図に示す如く前記転写記録
層１ｂはコアＩ’ｃ、ｌｄとして第１表及び第２表に示
す成分を用い、次に示す方法により°フィクロカプセル
状の画像形成素体を形成してなる。To explain an example, as shown in FIG. 2, the transfer recording layer 1b uses the components shown in Tables 1 and 2 as the cores I'c and ld, and is made into phycrocapsule-like materials by the following method. An image forming element is formed.
即ち、第１表及び第２表に示す成分１０ｇを先ず塩化メ
チレン２０重量部に混合したものを、カチオン又はノニ
オン等ＨＬ Ｂ値の少なくとも１０以上の界面活性剤と
ゼラチンＩｇを溶解した水２００ ＋ｎｆに混合し、６
０℃加温下ホモミキサーによって８，０００〜１０．Ｏ
ＯＯｒｐｍで攪拌して乳化し、平均粒径２６μ■の油滴
を得る。That is, 10 g of the ingredients shown in Tables 1 and 2 were first mixed with 20 parts by weight of methylene chloride, and then a surfactant such as a cationic or nonionic surfactant having an HL B value of at least 10 and gelatin Ig was dissolved in water 200 +nf. Mix with 6
8,000-10. O
The mixture is emulsified by stirring at OO rpm to obtain oil droplets with an average particle size of 26 μι.
更に６０℃下で撹拌を３０分間続は塩化メチレンを留去
することにより平均粒径を１０μｍにする。これにアラ
ビアゴム１ｇを溶かした水２０ｍ７を加え、ゆっくり冷
却しなからＮ１１４０１１ （アンモニア）水を添加し
９８１１以上にすることによってマイクロカプセルスラ
リーを得、グルタルアルデヒド２０％水溶液１．０ｆｆ
１７をゆっくり加えてカプセル壁を硬化する。Stirring was continued at 60° C. for 30 minutes, and methylene chloride was distilled off to give an average particle size of 10 μm. Add 20 m7 of water in which 1 g of gum arabic was dissolved, cool slowly, and then add N114011 (ammonia) water to make it 9811 or higher to obtain a microcapsule slurry, and make 1.0 ff of a 20% glutaraldehyde aqueous solution.
17 is added slowly to harden the capsule wall.
その後ヌフチェ濾過器で固液分離し、真空乾燥器で３５
℃、１０時間乾燥してマイクロカプセル状の画像形成素
体を得る。After that, solid-liquid separation was carried out using a Nuftche filter, and then a vacuum dryer was used to
C. for 10 hours to obtain a microcapsule-shaped image forming element.
この画像形成素体は、第１表及び第２表のコアｌｃ、ｌ
ｄがシヱルｌｅで被覆されたマイクロカプセルで、粒径
７〜１５ｎ、平均粒径１０ｎに形成される。This image forming element has cores lc and l shown in Tables 1 and 2.
d is a microcapsule coated with sile le, and is formed to have a particle size of 7 to 15 nm and an average particle size of 10 nm.
前記の如く形成された画像形成素体を、厚さ６ｐｍのポ
リエチレンテレフタレートよりなる支持体ｌａ上に付着
剤ｉｆにて付着させて、転写記録層１ｂを形成し、転写
記１．Ａ媒体ｌを構成する。The image forming element formed as described above is adhered onto a support la made of polyethylene terephthalate having a thickness of 6 pm using an adhesive if to form a transfer recording layer 1b. Configure A medium l.
更に詳しく説明すれば、先ず付着剤Ｉｆとしては、カネ
ボー・エヌ・ニス・シー■の２液性のエポキシ系接着剤
で、エポルジョンＥＡＩ及びエポルジョンＥＢＩを用い
た。そして上記エポルジョンＥΔＩ及びＥＢＩを２１の
割合で混合した液を、水で２倍希釈しポリエチレンテレ
フタレートフィルム上に塗布し、水分を乾燥して付着層
を得た。この付着層は乾燥後も粘着性を存しており、別
途硬化させた時の付着層の厚みは約０ 、３ ａｌｌで
あった。次に粘着性を存する付着層上に、上記得られた
第１表及び第２表に示すものをコア材としたマイクロカ
プセル状の画像形成素体を１：１の割合で混合し、これ
を振り掛けて接着させた。その後、余分な画像形成素体
を払い落とすと、画像形成素体は略１層に且つ９０％の
割合で付着層上に配置されていた。More specifically, first, the adhesive If was a two-component epoxy adhesive manufactured by Kanebo N.N.C., and Epolsion EAI and Epolsion EBI were used. Then, a solution obtained by mixing Epolsion EΔI and EBI in a ratio of 21 parts was diluted twice with water, applied on a polyethylene terephthalate film, and dried to obtain an adhesive layer. This adhesive layer remained sticky even after drying, and the thickness of the adhesive layer when cured separately was about 0.3 all. Next, a microcapsule-shaped image forming element having the core materials shown in Tables 1 and 2 obtained above was mixed in a ratio of 1:1 on the adhesive layer having adhesive properties. I sprinkled it on and glued it. Thereafter, when the excess image forming element was brushed off, the image forming element was arranged on the adhesive layer in approximately one layer and at a ratio of 90%.
上記の如くして得られたものを１００℃の環境下に、約
２時間放置して付着剤１ｆを硬化させて第２図のような
転写記録媒体ｌを構成した。The material obtained as described above was left in an environment of 100° C. for about 2 hours to harden the adhesive 1f, thereby forming a transfer recording medium 1 as shown in FIG. 2.
第１表
第２表
前記第１表で示す画像形成素体中の光開始剤は、第３図
の吸光特性に於いて、グラフＡの帯域の光を吸収して反
応を開始し、画像形成時にはマゼンタ色となり、また第
２表で示す画像形成素体中の光開始剤は、第３図のグラ
フＢに示した帯域の光を吸収して反応を開始し、画像形
成時には青色となる。Table 1 Table 2 The photoinitiator in the image forming element shown in Table 1 absorbs light in the band of graph A in the light absorption characteristics shown in FIG. 3, starts a reaction, and forms an image. Sometimes the color becomes magenta, and the photoinitiator in the image-forming element shown in Table 2 absorbs light in the band shown in graph B in FIG. 3 and starts a reaction, resulting in a blue color during image formation.
次に記録部３について説明する。記録部３は加熱手段と
光照射手段とから構成されている。Next, the recording section 3 will be explained. The recording section 3 is composed of heating means and light irradiation means.
加熱手段は記録ヘッド３ａの表面に両信号に応じて発熱
する幅０．２厘歳であって８ドツト／１層のＡ−４サイ
ズ、ラインタイプの発熱素子列３ｂが配列されてなり、
前述した通り転写記録媒体１の支持体ｌａ側が搬送の際
のバックテンションによって前記発熱素子列３ｂに所定
圧力をもって圧接するように構成されている。尚、前記
画信号は用途に応じて、例えばファクシミリ、イメージ
スキャナ、或いは電子黒板等の制御部（図示せず）から
発せられる。The heating means is composed of a line-type heating element row 3b of A-4 size and 8 dots/layer, with a width of 0.2 years, which generates heat according to both signals on the surface of the recording head 3a.
As described above, the support la side of the transfer recording medium 1 is configured to be pressed against the heating element array 3b with a predetermined pressure due to back tension during conveyance. The image signal is generated from a control unit (not shown) of, for example, a facsimile, an image scanner, or an electronic whiteboard, depending on the purpose.
一方記録ヘフド３ａと対向した転写記録層１ｂ側には第
４図に示すような分光特性をもった２ＯＷタイプの光照
射手段たる２木の蛍光灯３ｃ、３ｄが転写記録媒体１よ
りも約１５ｍｍ離れて配設されている。On the other hand, on the side of the transfer recording layer 1b facing the recording head 3a, two fluorescent lamps 3c and 3d, which are 2OW type light irradiation means having spectral characteristics as shown in FIG. are located far apart.
更に記録ヘッド３ａに圧接している転写記録媒体ｌの発
熱素子列直上の領域にのみ蛍光灯３ｃ。Furthermore, a fluorescent lamp 3c is provided only in the area directly above the heating element row of the transfer recording medium l that is in pressure contact with the recording head 3a.
３ｄの直接光が照射されるようにスリット板３ｅが転写
記録媒体１より約０，５龍の距離を保って、開口幅が１
．２鶴となるように設けられている。The slit plate 3e is kept at a distance of approximately 0.5 mm from the transfer recording medium 1 so that the slit plate 3e is irradiated with direct light of 3d, and the aperture width is 1.
．． It is set up so that there are two cranes.
尚、本実施例に於いては前記第４図のグラフ八に示す分
光特性を持った一方の蛍光灯３ｃとして一東芝製の２０
Ｗ健康線用蛍光ランプＰＬ２０５Ｅが用いられ、グラフ
Ｂに示す分光特性を持った他方の蛍光灯３ｄとしては一
東芝製の２０Ｗ蛍光灯ＦＬＩＯＡ７０Ｅ３９が使用され
ている。In this embodiment, one fluorescent lamp 3c having the spectral characteristics shown in graph 8 of FIG.
A W health line fluorescent lamp PL205E is used, and as the other fluorescent lamp 3d having the spectral characteristics shown in graph B, a 20W fluorescent lamp FLIOA70E39 manufactured by Toshiba is used.
次に転写部４について説明する。該転写部４は前記記録
部３よりも転写記録媒体１の搬送方向下流側に配設され
、第１図に示す如く矢印す方向に駆動回転する転写ロー
ラ４ａと該転写ローラ４ａに圧接した加圧ローラ４ｂと
によって構成されている。前記転写ローラ４ａは、表面
がｌ ｍｍ厚で硬度７０度のシリコンゴムによって被覆
されたアルミローラで構成され、且つ内蔵された８００
Ｗのハロゲンヒータ４ｃによって表面が９０〜１００
℃に保持されるように構成されている。Next, the transfer section 4 will be explained. The transfer section 4 is disposed downstream of the recording section 3 in the conveyance direction of the transfer recording medium 1, and includes a transfer roller 4a that is driven to rotate in the direction of the arrow as shown in FIG. and a pressure roller 4b. The transfer roller 4a is composed of an aluminum roller whose surface is coated with silicone rubber having a thickness of 1 mm and a hardness of 70 degrees.
The surface is heated to 90 to 100 by the W halogen heater 4c.
It is configured to be maintained at ℃.
また加圧ローラ４ｂは、硬度７０度のシリコンゴムによ
って１１厚被覆されたアルミローラがらなり、バネ等の
加圧手段（図示せず）によって転写ローラ４ａとの押圧
力が６〜７ｋｇｆ／ａｍに設定されている。The pressure roller 4b is made of an aluminum roller coated with 11-thick silicone rubber having a hardness of 70 degrees, and the pressing force with the transfer roller 4a is 6 to 7 kgf/am by a pressure means (not shown) such as a spring. It is set.
更に上記転写ローラ４ａ及び加圧ローラ４ｂの廻りには
変成ポリフェニレンオキサイド樹脂からなるローラカバ
ー４ｄが設けられ、前記ヒータ４Ｃによる輻射熱を遮る
遮熱手段が構成されている。Further, a roller cover 4d made of modified polyphenylene oxide resin is provided around the transfer roller 4a and pressure roller 4b, and constitutes a heat shielding means for blocking radiant heat from the heater 4C.
次に剥離ローラ５は直径３ｍｓのステンレスシャフトか
らなり、転写記録媒体１と記録紙８とを分離する分離機
能を有している。Next, the peeling roller 5 is made of a stainless steel shaft with a diameter of 3 ms, and has a separating function of separating the transfer recording medium 1 and the recording paper 8.
またカセット７内に積載された被記録媒体たる記録＜５
．８ ハ、給送ローラ９．レジスタローラ対１０ａ、ｌ
Ｑｂによって、転写記録媒体１の像領域と重なるように
同期して転写部４へ給送される如く構成されている。Also, the recording medium loaded in the cassette 7 is the record <5
．． 8 c. Feeding roller 9. Register roller pair 10a, l
Qb, the recording medium 1 is configured to be fed to the transfer section 4 in synchronization with the image area of the transfer recording medium 1.
次に上記の如く構成された記録装置によって記録を行な
った場合の作用について説明する。Next, the operation when recording is performed by the recording apparatus configured as described above will be explained.
尚、次に述べる実施例では、熱を画信号に応して付与し
、光は一様に付与する例を示す。In the embodiment described below, an example will be shown in which heat is applied in accordance with an image signal and light is applied uniformly.
図示しないモーターを駆動させて転写記録媒体１を供給
ロール２から順次繰り出し、記録部３に於いて転写記録
媒体１の転写記録層１ｂに光と熱とを画信号に応じて付
与すると像が形成される。An image is formed by driving a motor (not shown) to sequentially feed out the transfer recording medium 1 from the supply roll 2, and applying light and heat to the transfer recording layer 1b of the transfer recording medium 1 in the recording section 3 according to the image signal. be done.
即ち、転写記録層１ｂは所定波長の光と熱とが付与され
ると軟化点温度が上界し、記録紙８に転写されなくなる
性質を有している為に第５図のタイミングチャートに示
すように、マゼンタ色記録に際しては発熱素子列３ｂの
うち両イ３号のマゼンタに相当する発熱素子に通電せず
、画信号の白（記録紙８は白色とした）に相当する部分
に２５ｍ５の通電を行ない、５ｍｓの遅れをもって蛍光
灯３ｃを一様に照射する。このときの照射時間は４５ｍ
５とした。That is, the transfer recording layer 1b has a property that when light and heat of a predetermined wavelength are applied, the softening point temperature reaches an upper limit and the transfer recording layer 1b is no longer transferred to the recording paper 8, as shown in the timing chart of FIG. When recording magenta color, power is not supplied to the heating elements corresponding to magenta in both A and No. 3 of the heating element array 3b, and a 25 m5 area corresponding to the white of the image signal (the recording paper 8 is white) is Power is applied and the fluorescent lamp 3c is uniformly irradiated with a delay of 5 ms. The irradiation time at this time was 45 m.
I gave it a 5.
次に青色記録に際しては、前記照射終了後５０ｍ！経過
してから、即ち前記通電時間より１００ｍ５後に今度は
発熱素子列３ｂのうち画信号の青に相当する発熱素子に
は通電せずに画信号の白に相当する部分に２５ｍ５の通
電を行い、５ｍｓ後に蛍光灯３ｄを一様に照射する。こ
のときの照射時間も前記と同様に４５ｆｆｉ３である。Next, when recording blue color, 50m after the end of the irradiation! After the elapse of time, that is, 100 m5 after the energization time, energization is performed for 25 m5 to the part corresponding to the white of the image signal without energizing the heating element of the heating element row 3b corresponding to the blue of the image signal, After 5 ms, the fluorescent lamp 3d is uniformly irradiated. The irradiation time at this time was also 45ffi3 as described above.
以上のような要領で青、マゼンタ、白の画信号に応じて
、記録ヘッド３ａを制御して転写記録層１ｂにネガ像を
形成し、２００ｓｓ／ ｌ ｉｎｅの繰り返し周期で同
期して転写記録媒体１を搬送する。更に転写部４に於い
て、前記像が形成された転写記録層１ｂを記録紙８に圧
接して加熱することによって青、マゼンタ２色の転写像
を記録紙８に転写することが出来る。As described above, the recording head 3a is controlled according to the blue, magenta, and white image signals to form a negative image on the transfer recording layer 1b, and the transfer recording medium is synchronously transferred at a repetition period of 200ss/line. Transport 1. Furthermore, in the transfer section 4, the transfer recording layer 1b on which the image has been formed is pressed against the recording paper 8 and heated, thereby making it possible to transfer the two-color transfer image of blue and magenta onto the recording paper 8.
その後剥離ローラ５によって転写記録媒体１と記録紙８
とが剥離されるが、転写ローラ４ａの発熱による輻射熱
はローラカバー４ｄによって遮熱され、剥離ローラ５は
常に５０℃以下に保持される。Thereafter, the peeling roller 5 transfers the recording medium 1 and the recording paper 8.
However, the radiant heat generated by the transfer roller 4a is shielded by the roller cover 4d, and the peeling roller 5 is always maintained at 50° C. or lower.
従って、剥離ローラ５は前記輻射熱によって必要以上に
加熱されることがないので、転写記録媒体ｌの支持体１
ａと転写記録層１ｂとの分離性は良好に維持され、記録
紙８に対して安定した転写画像を記録することが出来る
。Therefore, since the peeling roller 5 is not heated more than necessary by the radiant heat, the support 1 of the transfer recording medium 1
Separability between a and the transfer recording layer 1b is maintained well, and a stable transfer image can be recorded on the recording paper 8.
上記の如くして２色記録をワンショットで行い、所での
画像記録がなされた記録紙８は排出ローラ対１３ａ、１
３ｂによって排出トレー１１に排出される。Two-color recording is performed in one shot as described above, and the recording paper 8 on which an image has been recorded is discharged from the pair of ejection rollers 13a and 1.
3b, it is discharged onto the discharge tray 11.
く他の実施例〉
前述の実施例ではローラカバー４ｄとして変成ポリフェ
ニレンオキサイド材を使用したが、ローラカバー４ｄの
材質はこれに限定されるものでなく、遮熱効果を有する
ものであれば、他の材質でも良い。Other Embodiments In the above embodiments, modified polyphenylene oxide material was used as the roller cover 4d, but the material of the roller cover 4d is not limited to this, and other materials may be used as long as they have a heat shielding effect. The material may also be used.
また前述の実施例では剥離ローラ５としてステンレスシ
ャフトを使用したが、他の例として剥離ローラ５をヒー
トパイプで構成すれば放熱特性が良くなり、更には第６
図に示すように徳利ローラ５の一端に放熱板５ａを取り
付けることによって放熱特性を更に良くすることが出来
、！Ｆ、ｌＩ離ローラ５の温度上昇による転写不良を防
止することが出来る。Further, in the above embodiment, a stainless steel shaft was used as the peeling roller 5, but as another example, if the peeling roller 5 is constructed with a heat pipe, the heat dissipation characteristics will be improved.
As shown in the figure, by attaching a heat dissipation plate 5a to one end of the sake bottle roller 5, the heat dissipation characteristics can be further improved! F, II It is possible to prevent transfer defects due to a rise in temperature of the separation roller 5.
また前述の実施例では記録部３に於いて、転写記録媒体
１の転写記録層１ｂ側から所望の色に応じた所定波長の
光を一様に照射すると共に、支持体１ａ側から画信号に
応じた熱を印加する構成であったが、他の実施例として
熱を一様に印加すると共に、所定の光を画信号に応じて
照射する構成にしても良い。Further, in the above-mentioned embodiment, in the recording section 3, light of a predetermined wavelength corresponding to a desired color is uniformly irradiated from the transfer recording layer 1b side of the transfer recording medium 1, and image signals are applied from the support 1a side. Although the configuration is such that heat is applied according to the image signal, as another embodiment, a configuration may be adopted in which heat is applied uniformly and predetermined light is irradiated according to the image signal.
また支持体ｌａを透光性の材質で構成すれば、支持体１
ａ側から光を照射すると共に、転写記録層１ｂ側から熱
を印加する構成にしても良い。Furthermore, if the support la is made of a translucent material, the support 1
A configuration may be adopted in which light is irradiated from the a side and heat is applied from the transfer recording layer 1b side.
更に前記実施例では支持体１ａを挟んで光照射と熱印加
を行なったが、これとは別に支持体１ａの片側から光照
射と熱印加の双方を行うようにしても像形成は可能であ
る。Furthermore, in the above embodiment, light irradiation and heat application were performed with the support 1a in between, but image formation is also possible by performing both light irradiation and heat application from one side of the support 1a. .
また加熱手段としては、前述の記録ヘッド３ａを用いる
方法の他に、ＹＡＧレーザーとポリゴンミラーを用いて
選択的に加熱する方法等を使用しても良い。Further, as the heating means, in addition to the method using the recording head 3a described above, a method of selectively heating using a YAG laser and a polygon mirror, etc. may be used.
また光照射手段としては、前述の蛍光灯３ｃ。Further, as the light irradiation means, the above-mentioned fluorescent lamp 3c is used.
３ｄを用いる方法の他、例えばＬＥＤアレイを用いる方
法、或いはキセノンランプと材料の吸光特性に合ったフ
ィルターを用いる方法等が使用出来る。In addition to the method using 3D, for example, a method using an LED array, a method using a xenon lamp and a filter matching the light absorption characteristics of the material, etc. can be used.
尚、前述の実施例では転写記録層１ｂに光エネルギーと
熱エネルギーとを同時に付与するようにしたが、光エネ
ルギーと熱エネルギーとは別々に付与する構成であって
も、結果的に画エネルギーが付与される構成であれば良
い。Incidentally, in the above embodiment, light energy and thermal energy were applied to the transfer recording layer 1b at the same time, but even if the optical energy and thermal energy are applied separately, the resulting image energy is Any configuration that is given is acceptable.
更に前述の実施例では２色記録の例で説明したが、画像
形成素体を構成する着色剤及び光開始剤の種類を適宜選
定し、且つ前記光開始剤を反応させる波長の光源を選定
することによって単色、成るいはフルカラーの記録画像
を得ることも出来る。Furthermore, although the above-mentioned embodiment has been explained using an example of two-color recording, the types of colorant and photoinitiator constituting the image forming element are appropriately selected, and a light source with a wavelength that causes the photoinitiator to react is selected. By doing so, it is also possible to obtain monochromatic or full-color recorded images.
更に前述の実施例に於いては、光エネルギーと熱エネル
ギーによって着色剤を含んだ高分子材料の転写記録層１
ｂの軟化点温度の変化によって、記録紙へ像を転写記録
する例を示したが、記録紙への接若特性、或いは昇華特
性の違いによって像を転写記録するようにしても良い。Furthermore, in the above-described embodiment, the transfer recording layer 1 of a polymeric material containing a colorant is transferred by light energy and thermal energy.
Although an example has been shown in which the image is transferred and recorded onto the recording paper by a change in the softening point temperature b, the image may be transferred and recorded depending on the difference in the attaching property or the sublimation property to the recording paper.
或いは記録祇に発色性をもたせて、該記録紙の発色特性
を変化させるような層を転写記録媒体に設け、該転写記
録媒体に形成した像を記録紙へ転写することによって、
画像の記録を得るように構成しても良い。Alternatively, by providing a transfer recording medium with a layer that imparts color development to the recording medium and changing the color development characteristics of the recording paper, and transferring the image formed on the transfer recording medium to the recording paper,
It may be arranged to obtain an image record.
また転写記録層１ｂに付与する複数種のエネルギーは前
述の熱及び光エネルギーに限定されるものでなく、例え
ば圧カニ不ルギー等他のエネルギーにより像を形成する
ようにしても良い。Furthermore, the plurality of types of energy applied to the transfer recording layer 1b are not limited to the above-mentioned thermal and optical energies, and images may be formed using other energies such as pressure-induced pressure energy.
また支持体１ａの材料としては、前述のポリエチレンテ
レフタレートの他に、例えばポリアミド、或いはポリイ
ミド、コンデンサー祇、セロハン紙等も使用出来る。In addition to the above-mentioned polyethylene terephthalate, the material for the support 1a may also be polyamide, polyimide, condenser paper, cellophane paper, or the like.
また転写記録層１ｂとしては熱溶融性、熱軟化性、或い
は熱昇華性等の性質を有するものを適宜選択して用いる
ことが可能である。Further, as the transfer recording layer 1b, it is possible to appropriately select and use a material having properties such as heat melting property, heat softening property, or heat sublimation property.
更に被記録媒体としては、前述の記録紙に限定されるも
のでなく、例えばオーバーヘッドプロジェクタ−（ＯＨ
Ｐ）用のプラスチックシート等も当然に使用することが
出来る。Furthermore, the recording medium is not limited to the above-mentioned recording paper, but can be used, for example, with an overhead projector (OH
Of course, plastic sheets for P) can also be used.
更に転写部４は転写ローラ４ａ及び加圧ローラ４ｂのよ
うにローラ状のものに限定されるものでなく、例えば回
転ベルトの如きもの等所望の圧が得られる構成であれば
良い。Further, the transfer section 4 is not limited to a roller-like structure such as the transfer roller 4a and the pressure roller 4b, but may be of any structure that can obtain a desired pressure, such as a rotating belt.
また必要に応じて転写部４で画像転写された被記３．工
媒体の像を定着させる為の定着手段を被記録媒体の搬送
方向であって、工１１離ローラ５の下流側に設けるよう
にしても良い。Further, if necessary, the image of the marking 3 is transferred by the transfer unit 4. A fixing means for fixing the image on the recording medium may be provided in the conveying direction of the recording medium and on the downstream side of the recording medium 11 and the separation roller 5.
〈発明の効果〉
本発明は上述の如く、転写記録媒体への像の形成と、こ
の像の被記録媒体への転写とを順次行うので、表面平滑
度の比較的低い被記録媒体にも画像の記録を良好に行う
ことが出来る。また本発明を多色記録に応用した場合に
は、被記録媒体に庚雑な動きをさせることなく多色の画
像を得ることが出来る。<Effects of the Invention> As described above, the present invention sequentially performs the formation of an image on a transfer recording medium and the transfer of this image to a recording medium, so that an image can be formed even on a recording medium with a relatively low surface smoothness. can be recorded well. Furthermore, when the present invention is applied to multicolor recording, a multicolor image can be obtained without making any complicated movements on the recording medium.
また転写部と分離手段間には遮熱手段が設けられ、分離
手段が輻射熱等により必要以上に温度上昇しないように
構成されているので、転写記録媒体と被記録媒体との分
離の際に安定した転写が維持され、良好な記録画像を得
ることが出来るものである。In addition, a heat shielding means is provided between the transfer section and the separating means, and the separating means is configured to prevent the temperature from rising more than necessary due to radiant heat, etc., so that it is stable when separating the transfer recording medium and the recording medium. The transferred image can be maintained and a good recorded image can be obtained.
第１図（Ａ）、 （Ｂ）は本発明の一実施例の全体模式
説明図、第２図は転写記録媒体の構成説明図、第３図は
転写記録媒体中の光開始剤の吸光特性を示す説明図、第
４図は光照射手段の分光特性を示す説明図、第５図は熱
及び光を付与するタイミングチャート、第６図は剥離ロ
ーラの他の実施例の説明図である。
１は転写記録媒体、１ａは支持体、１ｂは転写δ己録層
、ｌｃ、ｌｄはコア、ｌｅはシェル、１ｆは付着剤、２
は供給ロール、２ａは供給ロール軸、３は記録部、３ａ
は記録へノド、３ｂは発熱素子列、３ｃ、３ｄは蛍光灯
、３ｅはスリット板、４は転写部、４ａは転写ローラ、
４ｂは加圧ローラ、４Ｃはヒータ、４ｄはローラカバー
、５は？り離ローラ、５ａは放熱板、６は巻取りロール
、７はカセット、８は記録紙、９は給送ローラ、１０ａ
、１０ｂはレジスタローラ、１１は排出トレー、１２ａ
、１２ｂ、１２Ｃはガイドローラ、ｉ３ａ、１３ｂは排
出ローラである。Figures 1 (A) and (B) are overall schematic explanatory diagrams of an embodiment of the present invention, Figure 2 is an explanatory diagram of the structure of a transfer recording medium, and Figure 3 is an optical absorption characteristic of a photoinitiator in the transfer recording medium. FIG. 4 is an explanatory diagram showing the spectral characteristics of the light irradiation means, FIG. 5 is a timing chart for applying heat and light, and FIG. 6 is an explanatory diagram of another embodiment of the peeling roller. 1 is a transfer recording medium, 1a is a support, 1b is a transfer δ self-recording layer, lc and ld are cores, le is a shell, 1f is an adhesive, 2
is a supply roll, 2a is a supply roll shaft, 3 is a recording section, 3a
3b is a recording throat, 3b is a heating element array, 3c and 3d are fluorescent lamps, 3e is a slit plate, 4 is a transfer section, 4a is a transfer roller,
4b is a pressure roller, 4C is a heater, 4d is a roller cover, 5 is ? Separation roller, 5a is a heat sink, 6 is a take-up roll, 7 is a cassette, 8 is a recording paper, 9 is a feeding roller, 10a
, 10b is a register roller, 11 is a discharge tray, 12a
, 12b and 12C are guide rollers, and i3a and 13b are discharge rollers.
Claims (3)
写特性が変化する転写記録層を有する転写記録媒体を用
いて被記録媒体に画像を記録する装置であって、転写記
録媒体を搬送する搬送手段と、該搬送手段によって搬送
される前記転写記録媒体の搬送経路に沿って設けられた
転写記録媒体にエネルギーを付与するための付与手段を
有する記録部と、該記録部で転写記録媒体に形成された
像を被記録媒体に転写するための転写部と、転写後の転
写記録媒体と被記録媒体を分離する分離手段と、前記転
写部と分離手段との間に遮熱手段とを有することを特徴
とした記録装置。(1) A device for recording an image on a recording medium using a transfer recording medium having a transfer recording layer whose transfer characteristics change when multiple types of energy are applied, and a conveyance means for conveying the transfer recording medium. a recording section having an applying means for applying energy to the transfer recording medium provided along the conveyance path of the transfer recording medium conveyed by the conveyance means; A transfer unit for transferring the transferred image onto a recording medium, a separating unit for separating the transfer recording medium and the recording medium after transfer, and a heat shielding unit between the transfer unit and the separating unit. Featured recording device.
ルギーよりなることを特徴とした特許請求の範囲第１項
記載の記録装置。(2) The recording apparatus according to claim 1, wherein the plurality of types of energy are thermal energy and optical energy.
徴とした特許請求の範囲第１項記載の記録装置。(3) The recording device according to claim 1, wherein the separating means is constituted by a heat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61195181A JPS6351161A (en) | 1986-08-22 | 1986-08-22 | Recording apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61195181A JPS6351161A (en) | 1986-08-22 | 1986-08-22 | Recording apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6351161A true JPS6351161A (en) | 1988-03-04 |
Family
ID=16336797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61195181A Pending JPS6351161A (en) | 1986-08-22 | 1986-08-22 | Recording apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6351161A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7651974B2 (en) | 2002-11-01 | 2010-01-26 | Kureha Chemical Industry Co., Ltd. | Adsorbent for oral administration |
-
1986
- 1986-08-22 JP JP61195181A patent/JPS6351161A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7651974B2 (en) | 2002-11-01 | 2010-01-26 | Kureha Chemical Industry Co., Ltd. | Adsorbent for oral administration |
| US8309130B2 (en) | 2002-11-01 | 2012-11-13 | Kureha Corporation | Adsorbent for oral administration |
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