JP2001314537A - Table tennis packet treated for light emission by ultraviolet irradiation (wavelength 365 nm) - Google Patents
Table tennis packet treated for light emission by ultraviolet irradiation (wavelength 365 nm)Info
- Publication number
- JP2001314537A JP2001314537A JP2000177568A JP2000177568A JP2001314537A JP 2001314537 A JP2001314537 A JP 2001314537A JP 2000177568 A JP2000177568 A JP 2000177568A JP 2000177568 A JP2000177568 A JP 2000177568A JP 2001314537 A JP2001314537 A JP 2001314537A
- Authority
- JP
- Japan
- Prior art keywords
- table tennis
- wavelength
- sheet
- light emission
- ultraviolet irradiation
- 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
Landscapes
- Printing Methods (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、卓球用ラケットシ
ートの製造方法に関する。The present invention relates to a method for manufacturing a table tennis racket sheet.
【０００２】[0002]
【従来の技術】従来の卓球用シートは、反発弾性の高い
天然ゴムを基材に製造されている。場合により同様な特
性を持つイソプレンゴムを基材に用いられる。各基材に
対しブタジエンゴムを添加する場合がある。2. Description of the Related Art A conventional table tennis sheet is manufactured on the basis of natural rubber having high rebound resilience. In some cases, isoprene rubber having similar properties is used for the base material. Butadiene rubber may be added to each substrate.
【０００３】天然ゴムの物性である低耐久・低耐候性を
補う為に、シート表層に対しエストラマー・ポリウレタ
ンフィルム等の保護加工を有するものがある。（特開平
４−３７０１２０）（新開昭６１−１８８３４）[0003] In order to supplement the low durability and low weather resistance, which are the physical properties of natural rubber, there is a type in which a sheet surface layer is protected by an estramer / polyurethane film or the like. (JP-A-4-370120) (Shinkai Sho 61-18834)
【０００４】[0004]
【発明が解決しようとする課題】従来の卓球用ラケット
のシートは、天然ゴムを用いて製造されている。この天
然ゴムの物質特性上、通常印刷インク／紫外線（波長３
６５ｎｍ）に反応し発光する水性・有機溶剤性・紫外線
硬化性各インクを定着することができない。また、既存
技術にある天然ゴムシート表層に対する保護目的の２次
加工（特開平４−３７０１２０）（新開昭６１−１８８
３４）により印刷インクの定着ができる可能性はある
が、製造コストの上昇を招く。A conventional table tennis racket sheet is manufactured using natural rubber. Due to the material properties of this natural rubber, printing ink / ultraviolet (wavelength 3
65 nm) and cannot emit water, organic solvent-based, and ultraviolet curable inks that emit light. Also, secondary processing for the purpose of protecting the natural rubber sheet surface layer in the existing technology (Japanese Patent Laid-Open No. 4-370120) (Shinkai Sho 61-188).
Although there is a possibility that the printing ink can be fixed by the method 34), the manufacturing cost is increased.
【０００５】本発明は、本案件である紫外線反応インク
のみならず、卓球用ラケットシート表層に対する汎用的
な図柄のシルク印刷・オフセット印刷を可能とすること
を目的としている。An object of the present invention is to enable silk printing and offset printing of not only the ultraviolet reactive ink of the present invention but also general-purpose designs on the surface layer of a table tennis racket sheet.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成する為
に、卓球用ラケットシートを多孔性軟質ウレタンを用い
成型する。In order to achieve the above object, a table tennis racket sheet is molded using a porous soft urethane.
【０００７】既存天然ゴムシートの硬度と合わせ、多孔
性軟性ウレタンの硬度を３５°もしくは４０°とする。The hardness of the porous soft urethane is set to 35 ° or 40 ° in accordance with the hardness of the existing natural rubber sheet.
【０００８】[0008]
【発明の実施の形態】図１に於て示されるシート２を多
孔性軟性ウレタンを用い成型する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The sheet 2 shown in FIG. 1 is molded using porous soft urethane.
【０００９】シート２表層に対し、紫外線（波長３６５
ｎｍ）反応発光型又は通常の水溶性・油性・紫外線硬化
性インクを用い図柄４印刷を施す。The surface layer of sheet 2 is exposed to ultraviolet light (wavelength 365).
nm) The pattern 4 printing is performed using a reactive luminescence type or a usual water-soluble, oily, or ultraviolet curable ink.
【００１０】[0010]
【発明の効果】本発明は、以上説明したように構成され
ているので、以下に記載されるような効果を奏する。Since the present invention is configured as described above, it has the following effects.
【００１１】多孔性軟性ウレタンを用いていることで、
印刷インクがシート表層を溶解・浸透しながら定着す
る。[0011] By using porous soft urethane,
The printing ink is fixed while dissolving and penetrating the sheet surface layer.
【００１２】多孔性軟性ウレタンを用いていることで、
図３に示される様に孔内にも印刷インク４が浸透し定着
する。このことで、図４に示す様にある一定期間での使
用に於いてシート２の表層が磨耗した場合でも、孔内に
残存する印刷インク４が有る為長期間の実使用に耐え得
る。By using porous soft urethane,
As shown in FIG. 3, the printing ink 4 also penetrates and fixes in the holes. As a result, even if the surface layer of the sheet 2 is worn during use for a certain period of time as shown in FIG. 4, the printing ink 4 remaining in the holes can withstand long-term actual use.
【００１３】天然ゴムシートと同値の硬度を有すること
で、天然ゴムシートに近い打球感が得らる。By having the same hardness as the natural rubber sheet, a shot feeling close to that of a natural rubber sheet can be obtained.
【００１４】天然ゴムシートと比べ、ウレタンの安定し
た物質特性に準じ、長期間の使用に耐える性質を有す
る。Compared to the natural rubber sheet, it has the property of withstanding long-term use in accordance with the stable material properties of urethane.
【００１５】シート表層に実用に耐え得るシルク・オフ
セット印刷が行なえ、豊富な意匠表現が可能である。Practical silk offset printing can be performed on the sheet surface layer, and abundant design expression is possible.
【００１６】シート表層を、平面告知媒体として活用で
きる。The sheet surface layer can be used as a plane notification medium.
【００１７】印刷には紫外線（波長３６５ｎｍ）反応発
光型インクを使用し、同波長照射光源の使用により暗室
で発光し、この環境下での使用により既存に無い卓球遊
技の形式を形成する。For printing, ultraviolet (wavelength: 365 nm) reactive light-emitting ink is used, which emits light in a dark room by using an irradiation light source of the same wavelength, and forms a table tennis game that does not exist by use in this environment.
【図１】全体図である。FIG. 1 is an overall view.
【図２】打球部位断面図である。FIG. 2 is a sectional view of a hitting portion.
【図３】シート部位拡大断面概念図である。FIG. 3 is an enlarged conceptual sectional view of a seat portion.
【図４】シート部位表層磨耗後の拡大断面概念図であ
る。FIG. 4 is an enlarged conceptual sectional view of a seat portion after surface layer wear.
１ ラケット ２ シート ３ スポンジ ４ 印刷インク 1 racket 2 sheet 3 sponge 4 printing ink
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） // Ｃ０８Ｌ 7:00 Ｃ０８Ｌ 7:00 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) // C08L 7:00 C08L 7:00
Claims (3)
用い印刷を可能とする。The present invention enables printing by using porous soft urethane as a table tennis sheet material.
ｍ）反応発光顔料を用た図柄印刷を施す。3. An ultraviolet ray (wavelength 365 n) is applied to the surface of the table tennis sheet.
m) Perform pattern printing using a reactive luminescent pigment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000177568A JP2001314537A (en) | 2000-05-11 | 2000-05-11 | Table tennis packet treated for light emission by ultraviolet irradiation (wavelength 365 nm) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000177568A JP2001314537A (en) | 2000-05-11 | 2000-05-11 | Table tennis packet treated for light emission by ultraviolet irradiation (wavelength 365 nm) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001314537A true JP2001314537A (en) | 2001-11-13 |
Family
ID=18679136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000177568A Pending JP2001314537A (en) | 2000-05-11 | 2000-05-11 | Table tennis packet treated for light emission by ultraviolet irradiation (wavelength 365 nm) |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001314537A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022551948A (en) * | 2019-10-23 | 2022-12-14 | アッセムス インコーポレイテッド | Three-dimensional outsole with improved pattern quality and durability and footwear including the same |
-
2000
- 2000-05-11 JP JP2000177568A patent/JP2001314537A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022551948A (en) * | 2019-10-23 | 2022-12-14 | アッセムス インコーポレイテッド | Three-dimensional outsole with improved pattern quality and durability and footwear including the same |
| JP7393830B2 (en) | 2019-10-23 | 2023-12-07 | アッセムス インコーポレイテッド | A method for manufacturing a three-dimensional outsole with improved pattern quality and durability |
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