JP2006095657A - Adhesive sheet for fitting spectacle lens - Google Patents

Adhesive sheet for fitting spectacle lens Download PDF

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JP2006095657A
JP2006095657A JP2004286691A JP2004286691A JP2006095657A JP 2006095657 A JP2006095657 A JP 2006095657A JP 2004286691 A JP2004286691 A JP 2004286691A JP 2004286691 A JP2004286691 A JP 2004286691A JP 2006095657 A JP2006095657 A JP 2006095657A
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lens
adhesive sheet
spectacle lens
adhesive
suction
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JP4335110B2 (en
JP2006095657A5 (en
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Yoshiyuki Hatano
波田野義行
Tatsuro Yokoi
横井達郎
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Topcon Corp
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Topcon Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an adhesive sheet for fitting a spectacle lens for spectacle lens processing, interposed between an adsorption tool for fitting to a lens rotating shaft of a lens grinding device and a spectacle lens refracting interface to prevent shifting and slippage of the spectacle lens, and filling a bored hole (an opening part) with air when the sheet is separated from the refracting interface to facilitate separation. <P>SOLUTION: An adhesive surface is formed of a predetermined material having very small opening parts (recess 25) on the surface, whereby when the adhesive surface is stuck to the refracting interface of the spectacle lens ML, adhesion is caused by the opening parts and when the adhesive surface is separated from the refracting surface (the front refracting surface fa), separation is facilitated by the opening parts. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、眼鏡レンズの研削加工時に、レンズ研削加工装置のレンズ回転軸に取りつけるための吸着治具と眼鏡レンズ屈折面との間に介在させて、眼鏡レンズのずれや滑りなどを防止する眼鏡レンズ取付用粘着シートに関するものである。   The present invention relates to a spectacle lens that is interposed between an adsorption jig for attaching to a lens rotation shaft of a lens grinding apparatus and a spectacle lens refracting surface during grinding of the spectacle lens to prevent the deviation or slippage of the spectacle lens. The present invention relates to a lens mounting adhesive sheet.

一般に、眼鏡レンズの研削加工時に、レンズ研削加工装置のレンズ回転軸に取りつけるための吸着治具と眼鏡レンズの屈折面との間に粘着シートを貼りつけ、眼鏡レンズのずれや滑りなどを防止している（特許文献１〜３参照）。   Generally, when grinding eyeglass lenses, an adhesive sheet is attached between the suction jig for attaching to the lens rotation shaft of the lens grinding machine and the refractive surface of the eyeglass lens to prevent the eyeglass lens from shifting or slipping. (See Patent Documents 1 to 3).

特に、屈折面にフッ素コートなどの撥水処理が施された眼鏡レンズの場合、眼鏡レンズ屈折面の非粘着や滑り性が非常に高くなっているので、粘着剤層にシリコン系粘着剤が設けられた粘着シートが用いられている（特許文献１参照）。
特開２００４−１４８４４４号公報 実開平６−２４８５２号公報 特開２００４−１２２３０２号公報 In particular, in the case of spectacle lenses with a water repellent treatment such as fluorine coating on the refractive surface, the non-adhesion and slipperiness of the spectacle lens refractive surface is very high, so a silicone adhesive is provided on the adhesive layer. The used adhesive sheet is used (refer patent document 1).
JP 2004-148444 A Japanese Utility Model Publication No. 6-24852 JP 2004-122302 A

しかし、上述した従来の粘着シートでは、表面が撥水処理された眼鏡レンズであろうと、撥水処理されていない眼鏡レンズであろうと、眼鏡レンズの屈折面に沿う水平方向においてレンズ回転軸からずれや滑りなどを起こしてしまい、その上、屈折面から粘着シートが剥がれにくく、逆に屈折面表面を傷つけてしまう虞があった。   However, in the above-described conventional pressure-sensitive adhesive sheet, whether it is a spectacle lens with a water repellent treatment or a spectacle lens without a water repellent treatment, it is displaced from the lens rotation axis in the horizontal direction along the refractive surface of the spectacle lens. In addition, the adhesive sheet is difficult to peel off from the refracting surface, and the surface of the refracting surface may be damaged.

そこで、本発明では、上記問題点を解決すべく、レンズ研削加工装置のレンズ回転軸に取りつけるための吸着治具と眼鏡レンズ屈折面との間に介在させて、眼鏡レンズのずれや滑りなどを防止すると共に、屈折面から剥がすときに開口された孔（開口部）に空気が充満して剥がれやすくした眼鏡レンズ加工のための眼鏡レンズ取付用粘着シートを提供することを目的とする。   Therefore, in the present invention, in order to solve the above-described problems, the eyeglass lens is displaced or slipped by being interposed between the suction jig for attaching to the lens rotation shaft of the lens grinding apparatus and the eyeglass lens refracting surface. An object of the present invention is to provide an eyeglass lens mounting adhesive sheet for processing eyeglass lenses in which the hole (opening) that is opened when being peeled off from the refracting surface is easily filled with air.

上記課題を解決するため、請求項１の発明は、表面に微小な開口部を備えた所定の材質により粘着面が形成され、眼鏡レンズの屈折面に粘着面を貼り合わせたときに前記開口部により粘着され、かつ屈折面から粘着面を剥がすときに前記開口部により剥がれやすくした眼鏡レンズ取付用粘着シートとしたことを特徴とする。   In order to solve the above problems, the invention according to claim 1 is characterized in that the adhesive surface is formed of a predetermined material having a minute opening on the surface, and the opening is formed when the adhesive surface is bonded to the refractive surface of the spectacle lens. The adhesive sheet for spectacle lens attachment is characterized in that the adhesive sheet is easily adhered to the opening when the adhesive surface is peeled off from the refractive surface.

また、請求項２の発明において、前記所定の材質は、強粘構造をもったプラスチックフォーム材であることを特徴とする。   In the invention of claim 2, the predetermined material is a plastic foam material having a strong-viscosity structure.

更に、請求項３の発明において、前記レンズ回転軸の中心から前記粘着面の端縁までの距離が前記レンズ回転軸の中心から前記レンズ回転軸に取り付けるための吸着治具の吸着面の端縁までの距離よりも小さいことを特徴とする。
また、請求項４の発明において、前記レンズ回転軸の中心から前記粘着面の端縁までの距離が前記レンズ回転軸の中心から前記レンズ回転軸に取り付けるための吸着治具の吸着面の端縁までの距離よりも大きいことを特徴とする。 Further, in the invention of claim 3, the distance from the center of the lens rotation axis to the edge of the adhesive surface is the edge of the suction surface of the suction jig for attaching the center of the lens rotation axis to the lens rotation shaft. It is characterized by being smaller than the distance up to.
According to a fourth aspect of the present invention, the distance from the center of the lens rotation axis to the edge of the adhesive surface is the edge of the suction surface of the suction jig for attaching to the lens rotation shaft from the center of the lens rotation axis. It is characterized by being larger than the distance up to.

以上により、レンズ研削加工装置のレンズ回転軸に取りつけるための吸着治具と眼鏡レンズ屈折面との間に介在させて、眼鏡レンズのずれや滑りなどを防止すると共に、屈折面から剥がすときに開口された孔（開口部）に空気が充満して剥がれやすくすることができる。   As described above, it is interposed between the suction jig for mounting on the lens rotation shaft of the lens grinding apparatus and the spectacle lens refracting surface to prevent the eyeglass lens from shifting or slipping and opening when it is peeled off from the refracting surface. The formed hole (opening) can be filled with air and easily peeled off.

以下、この発明の実施の形態を図面に基づいて説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図１において、１はレンズ回転軸７を備えたレンズ研削加工装置である。このレンズ研削加工装置１は、装置本体２を有すると共に、後縁部を中心に上下回動可能且つ左右動可能に装置本体２に装着されたキャリッジ３を有する。このキャリッジ３は、左右のアーム部４、５と、左右のアーム部４、５の後縁部を連設している連設部６から平面形状がコの字状に形成されている。   In FIG. 1, reference numeral 1 denotes a lens grinding apparatus provided with a lens rotating shaft 7. The lens grinding apparatus 1 has an apparatus main body 2 and a carriage 3 mounted on the apparatus main body 2 so as to be rotatable up and down and movable left and right around the rear edge. The carriage 3 has a U-shape in plan view from left and right arm portions 4 and 5 and a continuous portion 6 connecting the rear edge portions of the left and right arm portions 4 and 5.

そして、アーム部４の先端部には、左右に延びるレンズ回転軸７が回転自在且つ軸線方向に移動不能に保持されている。また、アーム部５の先端部には、左右に延びるレンズ回転軸８が回転自在且つ軸線方向に移動調整可に保持されている。   A lens rotation shaft 7 extending in the left-right direction is held at the tip of the arm portion 4 so as to be rotatable and immovable in the axial direction. Further, a lens rotation shaft 8 extending in the left-right direction is held at the distal end portion of the arm portion 5 so as to be rotatable and adjustable in the axial direction.

しかも、このレンズ回転軸７、８は同軸に設けられていて、図２に示したようにレンズ回転軸７、８の対向する端部７ａ、８ａには端面に開口する取付穴９、１０が形成されている。また、このレンズ回転軸７、８間の下方には研削砥石Ｇが回転駆動可能に配設されている。   In addition, the lens rotation shafts 7 and 8 are provided coaxially, and as shown in FIG. 2, mounting holes 9 and 10 that open to the end surfaces are formed at the opposite ends 7a and 8a of the lens rotation shafts 7 and 8, respectively. Is formed. A grinding wheel G is disposed below the lens rotation shafts 7 and 8 so as to be rotationally driven.

更に、アーム部４を貫通するレンズ回転軸７の端部には円板状の当接部材１１が取り付けられ、この当接部材１１は装置本体２に昇降可能に保持された型受１２に当接させられている。この型受１２は、図示しないパルスモータによりメガネの玉型形状情報（θｉ，ρｉ）（ｉ＝０，１，２，３・・・）に基づいて昇降駆動されて、レンズ回転軸７、８間に挟持される眼鏡レンズＭＬの周縁を研削砥石Ｇで玉型形状に研削加工させるようになっている。このような構成には周知の構成が採用できるので、その詳細は説明は省略する。   Further, a disc-shaped contact member 11 is attached to the end of the lens rotation shaft 7 that penetrates the arm portion 4, and this contact member 11 is in contact with a mold holder 12 that is held up and down by the apparatus body 2. It is touched. The mold receiver 12 is driven up and down by a pulse motor (not shown) based on the lens shape information (θi, ρi) (i = 0, 1, 2, 3...) Of the glasses, and the lens rotation shafts 7 and 8 are driven. The peripheral edge of the spectacle lens ML sandwiched between them is ground into a target shape by a grinding wheel G. Since a known configuration can be adopted for such a configuration, a detailed description thereof will be omitted.

そして、図２，図３に示したように対向端部７ａ，８ａ間にはレンズ保持装置１３の吸着カップ（吸着治具）１４とレンズ押さえ１５が配設されている。尚、レンズ保持装置１３は、レンズ回転軸７、８と吸着カップ１４及びレンズ押さえ１５を備えている。   2 and 3, a suction cup (suction jig) 14 and a lens holder 15 of the lens holding device 13 are disposed between the opposed end portions 7a and 8a. The lens holding device 13 includes lens rotation shafts 7 and 8, a suction cup 14 and a lens holder 15.

このレンズ押さえ１５は、図２，図３に示したように取付軸１６と、この取付軸１６の端部のフランジ１６ａと一体に設けられたゴム製の当接部材１７を有する。そして、取付軸１６はレンズ回転軸８の取付穴１０に嵌着されている。   As shown in FIGS. 2 and 3, the lens retainer 15 includes a mounting shaft 16 and a rubber contact member 17 provided integrally with a flange 16 a at the end of the mounting shaft 16. The attachment shaft 16 is fitted in the attachment hole 10 of the lens rotation shaft 8.

また、吸着カップ（吸着治具）１４は、周面に周方向に延びる環状溝１８ａが形成された取付軸１８と、この取付軸１８に一体に設けられたゴム製又は樹脂製のカップ本体１９を有する。そして、取付軸１８はレンズ回転軸７の取付穴９に脱着可能に嵌着されている。   The suction cup (suction jig) 14 includes a mounting shaft 18 having an annular groove 18a extending in the circumferential direction on a peripheral surface, and a rubber or resin cup body 19 integrally provided on the mounting shaft 18. Have The attachment shaft 18 is detachably fitted in the attachment hole 9 of the lens rotation shaft 7.

このカップ本体１９には、眼鏡レンズＭＬの前側屈折面ｆａに対向するレンズ取付面１９ａが設けられている。このレンズ取付面１９ａと前側屈折面ｆａとの間には図２，図４に示したように粘着シート２０が介装されている。   The cup body 19 is provided with a lens mounting surface 19a facing the front refractive surface fa of the spectacle lens ML. As shown in FIGS. 2 and 4, an adhesive sheet 20 is interposed between the lens mounting surface 19a and the front refractive surface fa.

この粘着シート２０は、図４，図５に示したように、クッションシート（クッション素材）２１と、このクッションシート２１の両面に塗布された粘着材層２２，２３を備えている。尚、粘着材層２２のレンズ取付面１９ａ側の面がレンズ取付面１９ａへの粘着面となり、粘着材層２３の前側屈折面ｆａ側の面が前側屈折面ｆａへの粘着面となる。   As shown in FIGS. 4 and 5, the pressure-sensitive adhesive sheet 20 includes a cushion sheet (cushion material) 21 and pressure-sensitive adhesive layers 22 and 23 applied to both surfaces of the cushion sheet 21. The surface on the lens mounting surface 19a side of the adhesive material layer 22 is an adhesive surface to the lens mounting surface 19a, and the surface on the front refractive surface fa side of the adhesive material layer 23 is an adhesive surface to the front refractive surface fa.

このクッションシート２１には、プラスチックフォーム（非通気性マイクロセル・ウレタンエラストマー）を用いている。しかも、クッションシート２１内には、例えば１ｃｍ2あたり直径０．０１ｍｍ以下の微細な気泡による空隙２４が形成されている。また、クッションシート２１には、両面に開口する１ｃｍ2あたり直径０．０１ｍｍ以下の微細な窪み（開口部）２４が１０００個以上形成されている。 The cushion sheet 21 is made of plastic foam (non-breathable microcell / urethane elastomer). Moreover, in the cushion sheet 21, for example, a gap 24 is formed by fine bubbles having a diameter of 0.01 mm or less per 1 cm 2 . The cushion sheet 21 is provided with 1000 or more fine recesses (openings) 24 having a diameter of 0.01 mm or less per 1 cm 2 that are open on both sides.

尚、クッションシート２１には厚さ方向の中央に別部材が設けられていないので、クッションシート２１の厚さ方向の中央に別部材が設けられている粘着シートに比べて、粘着シート２０の厚さを薄くできる。この結果、粘着シート２０は、クッションシート２１の厚さ方向の中央に別部材が設けられている粘着シートに比べて、両面に沿う方向へのモーメントが作用したときに、ねじれ量を小さくできる。   Since the cushion sheet 21 is not provided with another member in the center in the thickness direction, the thickness of the adhesive sheet 20 is larger than that of the adhesive sheet in which another member is provided in the center of the cushion sheet 21 in the thickness direction. Can be thin. As a result, the pressure-sensitive adhesive sheet 20 can reduce the amount of twist when a moment in a direction along both surfaces is applied, compared to a pressure-sensitive adhesive sheet in which another member is provided in the center of the cushion sheet 21 in the thickness direction.

そして、粘着シート２０は、図４に示したように、粘着剤層２２を介してカップ本体１９のレンズ取付面１９ａに粘着固定されている。また、吸着カップ１４は、カップ本体１９のレンズ取付面１９ａを介して粘着シート２０の粘着剤層２３を眼鏡レンズＭＬの前側屈折面ｆａに押し付けることで、眼鏡レンズＭＬの前側屈折面ｆａに粘着剤層２３により粘着固定されている。   Then, as shown in FIG. 4, the adhesive sheet 20 is adhesively fixed to the lens mounting surface 19 a of the cup body 19 via the adhesive layer 22. Further, the suction cup 14 adheres to the front refractive surface fa of the spectacle lens ML by pressing the adhesive layer 23 of the adhesive sheet 20 against the front refractive surface fa of the spectacle lens ML via the lens mounting surface 19a of the cup body 19. The adhesive layer 23 is adhesively fixed.

このレンズ取付面１９ａを介して粘着シート２０の粘着剤層２３を眼鏡レンズＭＬの前側屈折面ｆａに押し付ける際、粘着シート２０はレンズ取付面１９ａ及び前側屈折面ｆａに開口する多数の窪み２５が押しつぶされるように変形して、この窪み２５内の空気の一部又は大半が排気された状態となり、粘着シート２０が多数の窪み２５の吸盤作用により前側屈折面ｆａに吸着される。   When the pressure-sensitive adhesive layer 23 of the pressure-sensitive adhesive sheet 20 is pressed against the front refractive surface fa of the spectacle lens ML via the lens mounting surface 19a, the pressure-sensitive adhesive sheet 20 has a large number of depressions 25 opened on the lens mounting surface 19a and the front refractive surface fa. By being deformed so as to be crushed, a part or most of the air in the depression 25 is exhausted, and the adhesive sheet 20 is adsorbed to the front refractive surface fa by the suction action of the numerous depressions 25.

このように微細な窪み（開口部）２５が変形して吸盤作用を発生させるので、吸着カップ１４が粘着剤層２３の粘着力と窪み（開口部）２５による吸盤作用により眼鏡レンズＭＬに強力に保持される（取り付けられる）。   Since the fine depression (opening) 25 is deformed in this way to generate a suction cup action, the suction cup 14 strongly acts on the spectacle lens ML by the adhesive force of the adhesive layer 23 and the suction cup action by the depression (opening) 25. Retained (attached).

この結果、眼鏡レンズＭＬを研削砥石Ｇで研削加工する際に、眼鏡レンズＭＬが研削砥石Ｇから受ける周方向への力（モーメント）で粘着シート２０に周方向への捩り力が作用しても、粘着シート２０が眼鏡レンズＭＬから剥離するのを充分に防止できる。即ち、粘着剤層２３の粘着力だけでなく、窪み（開口部）２５による吸盤作用も加わることによって、吸着カップ１４は眼鏡レンズＭＬから剥離することがなくなる。   As a result, when the spectacle lens ML is ground with the grinding wheel G, even if a circumferential twisting force acts on the adhesive sheet 20 due to the circumferential force (moment) that the spectacle lens ML receives from the grinding wheel G. The adhesive sheet 20 can be sufficiently prevented from peeling from the spectacle lens ML. That is, not only the adhesive force of the adhesive layer 23 but also the suction cup action by the depression (opening) 25 is added, so that the suction cup 14 is not peeled off from the spectacle lens ML.

しかも、窪み２５の開口がある分だけ粘着シート２０の粘着剤層２２，２３の粘着面積は少なくなっていると共に、多数の窪み２５の開口が粘着剤層２２，２３の全体に形成されているので、粘着剤層２３の粘着力よりも窪み（開口部）２５による吸着力の方が若干大きくなり、粘着シート２０の端を眼鏡レンズＭＬの前側屈折面ｆａから剥離する方向に引っ張ることで、窪み（開口部）２５に空気が充満して粘着シート２０を眼鏡レンズＭＬから容易に剥離できる。   In addition, the adhesive areas of the adhesive layers 22 and 23 of the adhesive sheet 20 are reduced by the amount of the openings in the depressions 25, and a large number of openings in the depressions 25 are formed in the entire adhesive layers 22 and 23. Therefore, the suction force by the depression (opening) 25 is slightly larger than the adhesive force of the pressure-sensitive adhesive layer 23, and by pulling the end of the pressure-sensitive adhesive sheet 20 away from the front refractive surface fa of the spectacle lens ML, The depression (opening) 25 is filled with air, and the adhesive sheet 20 can be easily peeled from the spectacle lens ML.

尚、従来の粘着シートでは、ゴミが付着すると吸着力が急激に低下するが、この粘着シート２０は粘着と吸盤作用が補完しあうことで剥離耐力を維持することができる。   In the conventional pressure-sensitive adhesive sheet, the adsorbing force rapidly decreases when dust adheres, but the pressure-sensitive adhesive sheet 20 can maintain the peeling strength by complementing the pressure-sensitive adhesive and the suction cup action.

また、粘着シート２０は、図３（ｂ）に示すように、カップ本体１９の略楕円形のレンズ取付面１９ａの長径方向の端部に貼り合わせられる箇所に凹部状に切り欠き２６が設けられていてもよい。この切り欠き２６で残った箇所２０ａ、２０ｂを指で摘み、粘着シートをカップ本体１９から剥がすときのタブとして用いてもよい。   Further, as shown in FIG. 3 (b), the adhesive sheet 20 is provided with a notch 26 in a concave shape at a location where the adhesive body 20 is bonded to the end portion in the major axis direction of the substantially elliptical lens mounting surface 19 a of the cup body 19. It may be. The portions 20 a and 20 b remaining in the notches 26 may be picked with a finger and used as a tab when the adhesive sheet is peeled off from the cup body 19.

尚、レンズ回転軸７，８の中心Ｏから粘着剤層２５の端縁Ｐ１までの距離ｍは、レンズ回転軸７，８の中心Ｏから吸着カップ１４のンズ取付面１９ａの端縁Ｐ２までの距離Ｌよりも小さく設定されている。この構成によれば、粘着シート２０が吸着カップ１４のカップ本体１９からはみだすことがないので、吸着カップ１４を眼鏡レンズＭＬに粘着シート２０で粘着させた後に、粘着シート２０の端に指等が誤って引っ掛かって粘着シート２０と眼鏡レンズＭＬとの間に隙間ができるようなことがない。この結果、吸着カップ１４を眼鏡レンズＭＬに粘着シート２０で粘着させた後に、不用意に吸着カップ１４が眼鏡レンズＭＬから外れるようなことを回避できる。尚、粘着シート２０には、図６のように、切り欠きを設けなくてもよい。   The distance m from the center O of the lens rotation shafts 7 and 8 to the edge P1 of the adhesive layer 25 is from the center O of the lens rotation shafts 7 and 8 to the edge P2 of the lens mounting surface 19a of the suction cup 14. It is set smaller than the distance L. According to this configuration, since the adhesive sheet 20 does not protrude from the cup body 19 of the suction cup 14, a finger or the like is attached to the end of the adhesive sheet 20 after the suction cup 14 is adhered to the spectacle lens ML with the adhesive sheet 20. There is no possibility that a gap is formed between the adhesive sheet 20 and the spectacle lens ML due to being caught by mistake. As a result, it is possible to prevent the suction cup 14 from being inadvertently detached from the spectacle lens ML after the suction cup 14 is adhered to the spectacle lens ML with the adhesive sheet 20. Note that the adhesive sheet 20 may not be provided with a notch as shown in FIG.

また、図７に示すように、通常のタブ２０ｃ付きの粘着シート２０を用いてもよい。この場合、レンズ回転軸７，８の中心Ｏから粘着シート２０の端縁Ｐ１までの距離ｎは、レンズ回転軸７，８の中心Ｏから吸着カップ１４のンズ取付面１９ａの端縁Ｐ２までの距離Ｌよりも大きく設定されている。この構成によれば、眼鏡レンズＭＬの研削加工後に、粘着シート２０の吸着カップ１４からはみ出したタブ２０ｃを掴むことで、粘着シート２０を眼鏡レンズＭＬから容易に剥離して、眼鏡レンズＭＬから吸着カップ１４を簡易且つ迅速に取り外すことができる。   Moreover, as shown in FIG. 7, you may use the adhesive sheet 20 with the normal tab 20c. In this case, the distance n from the center O of the lens rotation shafts 7 and 8 to the edge P1 of the adhesive sheet 20 is from the center O of the lens rotation shafts 7 and 8 to the edge P2 of the lens mounting surface 19a of the suction cup 14. It is set larger than the distance L. According to this configuration, after the spectacle lens ML is ground, the adhesive sheet 20 is easily peeled from the spectacle lens ML by gripping the tab 20c protruding from the suction cup 14 of the adhesive sheet 20, and adsorbed from the spectacle lens ML. The cup 14 can be easily and quickly removed.

また、上述した粘着シート２０の両面の粘着剤層２２，２３は、図８に示したように両面にそれぞれ開口する窪み２５内に連続する強粘構造としても良い。この構造の場合、カップ本体１９を介して粘着シート２０の粘着剤層２３を眼鏡レンズＭＬの前側屈折面ｆａに押し付ける際、粘着シート２０はレンズ取付面１９ａ及び前側屈折面ｆａに開口する多数の窪み２５が押しつぶされるように変形して、この窪み２５内の空気の一部又は大半が排気された状態となると共に、窪み２５の一部の内面が粘着剤層２３により互いに潰れた状態で粘着される部分がある。   Moreover, as shown in FIG. 8, the adhesive layers 22 and 23 on both surfaces of the above-described adhesive sheet 20 may have a strong viscous structure that is continuous in the depressions 25 opened on both surfaces. In the case of this structure, when the pressure-sensitive adhesive layer 23 of the pressure-sensitive adhesive sheet 20 is pressed against the front refractive surface fa of the spectacle lens ML via the cup body 19, the pressure-sensitive adhesive sheet 20 has a large number of openings that open to the lens mounting surface 19a and the front refractive surface fa. The dent 25 is deformed so as to be crushed, and a part or most of the air in the dent 25 is exhausted, and the inner surface of the dent 25 is partially crushed by the adhesive layer 23. There is a part to be done.

この結果、図８の強粘構造を有する粘着シート２０の眼鏡レンズＭＬ側の多数の窪み２５の吸盤作用により前側屈折面ｆａに吸着された状態で、粘着シート２０を眼鏡レンズから剥離しようとしても、多数の窪み２５のうち押し潰されて内面の一部又は全部が粘着されたものは復元しにくくなるので、粘着シート２０を眼鏡レンズＭＬに強固に取り付けることができる。   As a result, even if the pressure-sensitive adhesive sheet 20 is peeled off from the spectacle lens in a state where the pressure-sensitive adhesive sheet 20 having the strong-viscosity structure of FIG. 8 is adsorbed to the front refractive surface fa by the suction action of the numerous depressions 25 on the spectacle lens ML side. Of the numerous depressions 25, those that are crushed and partially or wholly adhered to the inner surface are difficult to restore, so the adhesive sheet 20 can be firmly attached to the spectacle lens ML.

尚、粘着剤層２２も粘着剤層２３と同様に強粘構造であるので、粘着シート２０が粘着剤層２２によりカップ本体１９へ取り付けられるときも、粘着シート２０をカップ本体１９に強固に取り付けることができる。   Since the pressure-sensitive adhesive layer 22 has a strong viscosity structure like the pressure-sensitive adhesive layer 23, the pressure-sensitive adhesive sheet 20 is firmly attached to the cup body 19 even when the pressure-sensitive adhesive sheet 20 is attached to the cup body 19 by the pressure-sensitive adhesive layer 22. be able to.

更に、図９に示したように、クッションシート２１を厚さ方向で２分割することにより、クッションシート２１をクッションシート部材２１ａ，２１ｂとすると共に、このクッションシート２１ａ，２１ａ間にフィルム２７を配設して、クッションシート２１ａ，２１ａをフィルム２７の両面に固着した構成としても良い。   Furthermore, as shown in FIG. 9, by dividing the cushion sheet 21 into two in the thickness direction, the cushion sheet 21 is made into cushion sheet members 21a and 21b, and a film 27 is arranged between the cushion sheets 21a and 21a. It is good also as a structure which installed and fixed the cushion sheets 21a and 21a on both surfaces of the film 27. FIG.

以上説明したように、この発明の実施の形態の眼鏡レンズ取付用粘着シートは、表面に微小な開口部（窪み２５）を備えた所定の材質により粘着面が形成され、眼鏡レンズＭＬの屈折面に粘着面を貼り合わせたときに前記開口部により粘着され、かつ屈折面（前側屈折面ｆａ）から粘着面を剥がすときに前記開口部により剥がれやすくしている。   As described above, the adhesive sheet for spectacle lens mounting according to the embodiment of the present invention has an adhesive surface formed of a predetermined material having a minute opening (depression 25) on the surface, and the refractive surface of the spectacle lens ML. When the adhesive surface is bonded together, it is adhered by the opening, and when the adhesive surface is peeled off from the refractive surface (front refractive surface fa), the opening is easily peeled off.

この構成によれば、レンズ研削加工装置のレンズ回転軸７に取りつけるための吸着治具（吸着カップ１４）と眼鏡レンズＭＬの屈折面（前側屈折面ｆａ）との間に介在させて、眼鏡レンズＭＬのずれや滑りなどを防止すると共に、屈折面（前側屈折面ｆａ）から剥がすときに開口部（窪み２５）に空気が充満して剥がれやすくすることができる。   According to this configuration, the spectacle lens is interposed between the suction jig (suction cup 14) for attaching to the lens rotation shaft 7 of the lens grinding apparatus and the refractive surface (front refractive surface fa) of the spectacle lens ML. ML can be prevented from slipping and slipping, and the opening (indentation 25) can be easily filled with air when peeled off from the refracting surface (front refracting surface fa).

また、この発明の実施の形態の眼鏡レンズ取付用粘着シートにおいて、所定の材質は、強粘構造をもったプラスチックフォーム材としている。   In the eyeglass lens mounting adhesive sheet of the embodiment of the present invention, the predetermined material is a plastic foam material having a strong-viscosity structure.

この構成によれば、粘着剤層２３の粘着力だけでなく、プラスチックフォーム材の強粘構造により吸着カップ１４は眼鏡レンズＭＬから剥離することがなくなる。   According to this configuration, not only the adhesive force of the adhesive layer 23 but also the suction cup 14 is not peeled off from the spectacle lens ML due to the strong-viscosity structure of the plastic foam material.

更に、この発明の実施の形態の眼鏡レンズ取付用粘着シートにおいて、前記レンズ回転軸７，８の中心Ｏから前記粘着面（粘着剤層２５の眼鏡レンズＭＬ側の面）の端縁までの距離Ｌが前記レンズ回転軸７，８の中心Ｏから前記レンズ回転軸７，８に取り付けるための吸着治具（吸着カップ１４）の吸着面（ンズ取付面１９ａ）の端縁Ｋまでの距離ｍよりも小さく設定されている。   Furthermore, in the spectacle lens mounting adhesive sheet of the embodiment of the present invention, the distance from the center O of the lens rotation shafts 7 and 8 to the edge of the adhesive surface (the surface of the adhesive layer 25 on the spectacle lens ML side). L is a distance m from the center O of the lens rotation shafts 7 and 8 to the edge K of the suction surface (the hands mounting surface 19a) of the suction jig (suction cup 14) for mounting to the lens rotation shafts 7 and 8. Is set too small.

この構成によれば、粘着シート２０が吸着治具（吸着カップ１４）からはみだすことがないので、吸着治具（吸着カップ１４）を眼鏡レンズＭＬに粘着シート２０で粘着させた後に、粘着シートの端に指等が誤って引っ掛かって粘着シートと眼鏡レンズとの間に隙間ができるようなことがない。この結果、吸着治具（吸着カップ１４）を眼鏡レンズＭＬに粘着シート２０で粘着させた後に、不用意に吸着治具（吸着カップ１４）が眼鏡レンズＭＬから外れるようなことを回避できる。   According to this configuration, since the adhesive sheet 20 does not protrude from the suction jig (suction cup 14), after the suction jig (suction cup 14) is adhered to the spectacle lens ML with the adhesive sheet 20, the adhesive sheet 20 There is no case where a finger or the like is accidentally caught at the end and a gap is formed between the adhesive sheet and the spectacle lens. As a result, it is possible to prevent the suction jig (suction cup 14) from being inadvertently detached from the spectacle lens ML after the suction jig (suction cup 14) is adhered to the spectacle lens ML with the adhesive sheet 20.

また、この発明の実施の形態の眼鏡レンズ取付用粘着シートにおいて、前記レンズ回転軸７，８の中心Ｏから前記粘着面（粘着剤層２５の眼鏡レンズＭＬ側の面）の端縁までの距離Ｌが前記レンズ回転軸７，８の中心Ｏから前記レンズ回転軸７，８に取り付けるための吸着治具（吸着カップ１４）の吸着面（ンズ取付面１９ａ）の端縁Ｋまでの距離ｎよりも大きく設定されている。   In the spectacle lens mounting adhesive sheet according to the embodiment of the present invention, the distance from the center O of the lens rotation shafts 7 and 8 to the edge of the adhesive surface (the surface of the adhesive layer 25 on the spectacle lens ML side). L is a distance n from the center O of the lens rotation shafts 7 and 8 to the edge K of the suction surface (the hands mounting surface 19a) of the suction jig (suction cup 14) for mounting to the lens rotation shafts 7 and 8. Is also set larger.

この構成によれば、眼鏡レンズＭＬの研削加工後に、粘着シート２０の吸着治具（吸着カップ１４）からはみ出した部分を掴むことで、粘着シート２０を眼鏡レンズＭＬから容易に剥離して、眼鏡レンズＭＬから吸着治具（吸着カップ１４）を簡易且つ迅速に取り外すことができる。   According to this configuration, after the spectacle lens ML is ground, the adhesive sheet 20 is easily peeled from the spectacle lens ML by gripping the portion of the adhesive sheet 20 that protrudes from the suction jig (suction cup 14). The suction jig (suction cup 14) can be easily and quickly removed from the lens ML.

この発明に係る眼鏡レンズ取付用粘着シートを用いて眼鏡レンズをレンズ回転軸に保持させたレンズ研削加工装置の概略斜視図である。1 is a schematic perspective view of a lens grinding apparatus in which an eyeglass lens is held on a lens rotation shaft using an eyeglass lens mounting adhesive sheet according to the present invention. 図１の眼鏡レンズの取付部の一部を部分的に破断して示した部分拡大図である。It is the elements on larger scale which fractured | ruptured and showed a part of attachment part of the spectacle lens of FIG. （ａ）は図２をレンズ押さえ側から見た斜視図、（ｂ）は（ａ）のカップ本体と粘着シートの大きさを示す説明図である。(A) is the perspective view which looked at FIG. 2 from the lens pressing side, (b) is explanatory drawing which shows the magnitude | size of the cup main body and adhesive sheet of (a). 図２のカップ本体の粘着シートと眼鏡レンズとの関係を示す要部拡大断面図である。It is a principal part expanded sectional view which shows the relationship between the adhesive sheet and spectacle lens of the cup main body of FIG. 図４の粘着シートの断面図である。It is sectional drawing of the adhesive sheet of FIG. 図３（ｂ）の粘着シートの他の例を示す説明図である。It is explanatory drawing which shows the other example of the adhesive sheet of FIG.3 (b). 図３（ｂ）の粘着シートの他の例を示す説明図である。It is explanatory drawing which shows the other example of the adhesive sheet of FIG.3 (b). 図２のカップ本体の粘着シートと眼鏡レンズとの関係の他の例を示す要部拡大断面図である。It is a principal part expanded sectional view which shows the other example of the relationship between the adhesive sheet and spectacle lens of the cup main body of FIG. 図２のカップ本体の粘着シートと眼鏡レンズとの関係の更に他の例を示す要部拡大断面図である。It is a principal part expanded sectional view which shows the further another example of the relationship between the adhesive sheet and spectacle lens of the cup main body of FIG.

符号の説明Explanation of symbols

２０…粘着シート
２５…窪み（開口部）
ＭＬ…眼鏡レンズ
ｆａ…前側屈折面（屈折面） 20 ... Adhesive sheet 25 ... hollow (opening)
ML ... spectacle lens fa ... front side refracting surface (refractive surface)

Claims (4)

表面に微小な開口部を備えた所定の材質により粘着面が形成され、眼鏡レンズの屈折面に粘着面を貼り合わせたときに前記開口部により粘着され、かつ屈折面から粘着面を剥がすときに前記開口部により剥がれやすくしたことを特徴とする眼鏡レンズ取付用粘着シート。   When the adhesive surface is formed of a predetermined material having a minute opening on the surface, and is adhered by the opening when the adhesive surface is bonded to the refractive surface of the spectacle lens, and when the adhesive surface is peeled off from the refractive surface A pressure-sensitive adhesive sheet for attaching spectacle lenses, which is easily peeled off by the opening. 前記所定の材質は、強粘構造をもったプラスチックフォーム材であることを特徴とする請求項１に記載の眼鏡レンズ取付用粘着シート。   2. The spectacle lens mounting adhesive sheet according to claim 1, wherein the predetermined material is a plastic foam material having a highly viscous structure. 前記レンズ回転軸の中心から前記粘着面の端縁までの距離が前記レンズ回転軸の中心から前記レンズ回転軸に取り付けるための吸着治具の吸着面の端縁までの距離よりも小さいことを特徴とする請求項１又は２に記載の眼鏡レンズ取付用粘着シート。   The distance from the center of the lens rotation axis to the edge of the adhesive surface is smaller than the distance from the center of the lens rotation axis to the edge of the suction surface of the suction jig for attaching to the lens rotation shaft. The adhesive sheet for spectacle lens attachment according to claim 1 or 2. 前記レンズ回転軸の中心から前記粘着面の端縁までの距離が前記レンズ回転軸の中心から前記レンズ回転軸に取り付けるための吸着治具の吸着面の端縁までの距離よりも大きいことを特徴とする請求項１又は２に記載の眼鏡レンズ取付用粘着シート。
The distance from the center of the lens rotation axis to the edge of the adhesive surface is larger than the distance from the center of the lens rotation axis to the edge of the suction surface of the suction jig for attaching to the lens rotation shaft. The adhesive sheet for spectacle lens attachment according to claim 1 or 2.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008093759A (en) * 2006-10-08 2008-04-24 Musashi Kasei Kogyo Kk Super-strong adhesive sheet for polishing device
JPWO2008075767A1 (en) * 2006-12-21 2010-04-15 リンテック株式会社 Adhesive sheet and method for producing the same
EP2204259A2 (en) 2009-01-06 2010-07-07 Hoya Corporation Lens pad, lens pad manufacturing method, lens manufacturing method, and adhesive member
JP2017529250A (en) * 2014-08-13 2017-10-05 ローデンシュトック ゲーエムベーハー Edging pads with different bonding areas

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008093759A (en) * 2006-10-08 2008-04-24 Musashi Kasei Kogyo Kk Super-strong adhesive sheet for polishing device
JPWO2008075767A1 (en) * 2006-12-21 2010-04-15 リンテック株式会社 Adhesive sheet and method for producing the same
EP2204259A2 (en) 2009-01-06 2010-07-07 Hoya Corporation Lens pad, lens pad manufacturing method, lens manufacturing method, and adhesive member
US8440041B2 (en) 2009-01-06 2013-05-14 Hoya Corporation Lens pad, lens pad manufacturing method, lens manufacturing method, and adhesive member
JP2017529250A (en) * 2014-08-13 2017-10-05 ローデンシュトック ゲーエムベーハー Edging pads with different bonding areas

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