JP4149316B2 - Lamination method of polyamide molded body and polyurethane layer and laminate - Google Patents
Lamination method of polyamide molded body and polyurethane layer and laminate Download PDFInfo
- Publication number
- JP4149316B2 JP4149316B2 JP2003182802A JP2003182802A JP4149316B2 JP 4149316 B2 JP4149316 B2 JP 4149316B2 JP 2003182802 A JP2003182802 A JP 2003182802A JP 2003182802 A JP2003182802 A JP 2003182802A JP 4149316 B2 JP4149316 B2 JP 4149316B2
- Authority
- JP
- Japan
- Prior art keywords
- laminate
- molded body
- polyamide
- adhesive
- polyurethane
- 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.)
- Expired - Fee Related
Links
Landscapes
- Laminated Bodies (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Description
【０００１】
【発明の属する技術分野】
本発明は、剛性及び自己潤滑性を有するポリアミド樹脂と弾性を有するポリウレタン樹脂との両特性を生かした積層体の積層方法及び当該積層方法によって得られた剥離強度の優れた積層体に係り、特にその積層体は緩衝用プレート、運搬用ロール及び低騒音車輪等の素材として好適に使用できる積層構造体に関するものである。
【０００２】
【従来の技術及びその課題】
従来、円柱状のポリアミド成形体の外周に筒状ポリウレタン成形体を嵌め込んで一体化された積層体、或いは円柱状のポリアミド成形体の外周にポリウレタン樹脂を射出成形法により積層体とし、これらを車輪用途の素材として利用されている。
上記従来方法にて製造された積層体は、当該ポリアミド成形体とポリウレタン成形体との接着界面における接着力が弱く、車輪用途等で荷重が高い場合や回転速度が速い場合には当該接着界面から剥離することがあった。
【０００３】
また、従来においても、ガラス繊維強化ポリアミド製品の表面にエポキシ変性メラミン樹脂接着剤層を介してウレタン樹脂硬化物を接着したウレタン樹脂複合成形品を得ることも公知である（例えば、特許文献１及び特許文献２参照）。
しかし、この方法によって得られた樹脂複合成形品の引き剥がし強度が１８ｋｇｆ／２５ｍｍ（７．０Ｎ／ｍｍ）程度であり、当該ガラス繊維強化ポリアミド製品とウレタン樹脂との剥離強度が未だ十分でない。
【０００４】
【特許文献１】
特開平５−３０９７３９号公報（第４頁、表１の実施例２）
【特許文献２】
特開平５−３０９７４２号公報（第４頁、表１の実施例２）
【０００５】
【課題を解決するための手段】
本発明は、剛性及び自己潤滑性を有するポリアミド樹脂と弾性を有するポリウレタン樹脂との両特性を生かした剥離強度の優れた積層体の積層方法及び当該積層方法によって得られた積層体であってその要旨は次の通りである。
（１）ラクタムのアニオン重合によって得られたポリアミド成形体の表面に、シリコーン系接着剤を塗布しその上からポリビニールアルコール系接着剤を塗布した後、次いで当該接着剤表面にポリウレタン原料を注型法にて積層したことを特徴とするポリアミド成形体とポリウレタン層との積層方法である。
（２）ラクタムのアニオン重合によって得られたポリアミド成形体の表面に、シリコーン系接着剤とポリビニールアルコール系接着剤を介して注型法にてポリウレタン層が形成された積層体であって、当該ポリアミド成形体とポリウレタン層との剥離強さが８Ｎ／ｍｍ以上（ＪＩＳ Ｋ７３１２に準拠）の接着力を有することをしたことを特徴とするポリアミド成形体とポリウレタン層との積層体である。
（３）緩衝用プレートに用いることを特徴とする上記（２）の積層体である。
（４）搬送用ロールに用いることを特徴とする上記（２）記載の積層体である。
（５）低騒音車輪に用いることを特徴とする上記（２）記載の積層体である。
【０００６】
【発明の実施の形態】
本積層体を構成するポリアミド成形体は、車輪素材等の用途に要求される８Ｎ／ｍｍ以上（ＪＩＳ Ｋ７３１２に準拠）の剥離強さを有する積層体を得るためには、ラクタムのアニオン重合によって成形されたものを使用することによって達成される。
本発明に使用されるラクタムは、好ましくは炭素数４〜１２を有し、例えばγ−ブチロラクタム、ε−カプロラクタム、ω−エナントラクタム、ω−カプロラクタム、ω−ラウロラクタム、及びこれらの混合物である。
特に車輪用途における積層体の芯材には軸部の自己潤滑が優れているε−カプロラクタムを公知のアニオン重合（モノマーキャスティング法）によって得られるポリアミド６からなるポリアミド成形体が好適に用いられる。
また、上記原料には、必要に応じ増量剤等の充填剤を加えることも出来る。
【０００７】
上記の通りラクタムのアニオン重合によって成形されたポリアミド成形体の表面（特に、必要ならば成形体表面を特殊表面処理して粗面化する）にシリコーン系接着剤を塗布後溶剤を乾燥させ、続いてその上からポリビニルアルコール系接着剤を塗布し、同様に溶剤を乾燥させる。
シリコーン系接着剤はポリアミド６との親和性がよく、ポリビニルアルコール系接着剤はポリウレタンとの親和性が優れている。両者の接着性が高いことから接着層を２層にすることで高い接着力が得られる。また、均一塗布のためにそれぞれ多層塗りすることができる。なお、塗布厚みは１０〜３０μｍが適当である。
次いで、当該接着剤表面にポリウレタン原料を注型法にて積層して、最終製品であるポリアミド成形体とポリウレタン層との積層体を得る。
成形するポリウレタン層の硬度は、デュロメーターＡ硬度で概ねＨＤＡ３０〜１００の範囲で調整できるが特に車輪用途ではＨＤＡ９０〜９８が好ましい。
【０００８】
上記ポリウレタン層の厚みは用途により相違するが、車輪用途の場合は通常５〜５０ｍｍの範囲で設けるのが好ましい。この厚みが５ｍｍ未満では積層体の表面弾性力が得られ難く、またこの厚みが５０ｍｍを超えると注型による成形性に劣り、コスト高を招くので好ましくない。
本発明によって得られた積層体は各種用途に使用できるが、特に、緩衝用プレート、搬送用ロール、低騒音車輪として好適に使用できる。
緩衝材用途においては、従来鋼材との接着により、ポリウレタンを固定していたが、本発明では鋼材を使用しないため軽量化が図れ、また、オール樹脂化により、切断等の機械加工が容易と云う利点がある。
ロールや車輪用途においても従来のポリウレタン樹脂＋鋼製車輪に比べて軽量化が図れ、自己潤滑性に優れるポリアミド樹脂が芯材になるためベアリングが不要となり、オール樹脂化により錆が発生しないと云う利点があり、さらに切削等の機械加工が容易である。また、ポリウレタン樹脂を被覆しない場合のポリアミド車輪に比べ低騒音が図れ、ポリウレタン樹脂のゴム弾性により、塑性変形の心配がなくなった。
一方、射出成形や、嵌め込みにより得られたポリアミド樹脂とポリウレタン樹脂との複合車輪に比べ両樹脂の接着力に優れ、寿命が長くなると云う利点がある。
【０００９】
【実施例】
ａ）剥離強さの測定
ＪＩＳ Ｋ７３１２に準拠して測定した。
ｂ）打ち抜きスラスト最大強度
外径８０ｍｍφ、幅１５ｍｍの円柱状のポリアミド成形体にポリウレタンを積層して得られた外径１００ｍｍφ、幅１５ｍｍの円柱状積層体に対し、外径７８ｍｍφの鋼製治具を、ポリアミド成形体に納まるようにセットし、５ｍｍ／ｍｉｎの速度で万能試験機で打ち抜きその際の最大強度を測定した。
ｃ）車輪走行テスト
外径１００ｍｍφ（芯材になるポリアミド成形体の外径８０ｍｍφ）、有効接触幅２８ｍｍの複合車輪を製作した。
一方、外径９５５ｍｍφ、幅２００ｍｍの回転ドラムの外面円周方向に等間隔で３箇所の位置に、当該ドラムの幅方向に半径１．５ｍｍの寸法を有する半円状の突起を設けた回転ドラムを準備する。
この回転ドラム上に上記複合車輪を載せて、荷重２６００Ｎ、速度４ｋｍ／ｈで突起を乗り越える状態で２０ｋｍ走行させ、当該複合車輪の損傷状態を確認した。
【００１０】
（実施例１）
ε−カプロラクタムのアニオン重合により得られた外径８０ｍｍφの円柱状ポリアミド６成形体（日本ポリペンコ（株）製のＭＣ９０１製品）の外周に、シリコーン系接着剤（ロードファーイースト社製のケムロック６０７）を厚み７μｍ塗布後溶剤を乾燥させ、その上からポリビニルアルコール系接着剤（ロードファーイースト社製のケムロック２１８）を厚み１５μｍ塗布した後、当該接着塗布面にポリウレタン原料（トーヨーウレタン（株）製のＴＵ９５１製品）を注型法にて積層して、ポリウレタン層の厚みが１０ｍｍであって、当該ポリウレタン層の硬度がＨＤＡ９５の円柱状積層体を得た。
当該円柱状積層体の剥離強さは８．２Ｎ／ｍｍ、スラスト最大強度は３６００Ｎ／ｍｍ、車輪走行テスト後の状況は破損は見られなかった。
【００１１】
（比較例１）
実施例１の円柱状のポリアミド６成形体の代わりに、ポリアミド６．６ペレットを押出成形で得たポリアミド６．６成形体（日本ポリペンコ（株）製のポリペンコ・６６Ｎ製品）を用いた以外は、実施例１と同様にして円柱状積層体を得た。
当該円柱状積層体の剥離強さは４．８Ｎ／ｍｍ、スラスト最大強度は３０００Ｎ／ｍｍ、車輪走行テスト後の状況は複合車輪の接着部分界面に一部剥離が見られた。
【００１２】
（比較例２）
実施例１の円柱状のポリアミド６成形体の外周に、予めポリウレタン原料（トーヨーウレタン（株）製のＴＵ９５１製品）にて成形された筒体の内径がポリアミド６の成形体の外径に対し０．４％の締め代を有しする筒体を嵌め込んでポリウレタン層の硬度がＨＤＡ９５の円柱状積層体を得た。
当該円柱状積層体のスラスト最大強度は７００Ｎ／ｍｍ、車輪走行テストでは走行１．５ｋｍの時点で円柱状積層体を構成する円柱状及び筒体の両者が剥離し走行不能となった。
【００１３】
【発明の効果】
本発明で規定した方法によって得たポリアミド成形体の表面に、シリコーン系接着剤とポリビニルアルコール系接着を介して注型法によってポリウレタン層を形成した積層体は、従来から多用されているポリアミド成形体の表面にポリウレタン原料を射出成形、或いは予め成形されたポリウレタン筒体を嵌め込みにより一体化されたポリアミド樹脂とポリウレタン樹脂との複合車輪に比べ接着力に優れており、寿命が長い。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for laminating a laminate using both the properties of a polyamide resin having rigidity and self-lubricating properties and a polyurethane resin having elasticity, and a laminate having excellent peel strength obtained by the lamination method. The laminate relates to a laminate structure that can be suitably used as a material for buffer plates, transport rolls, low noise wheels, and the like.
[0002]
[Prior art and problems]
Conventionally, a laminated body in which a cylindrical polyurethane molded body is fitted and integrated on the outer periphery of a cylindrical polyamide molded body, or a polyurethane resin is formed on the outer periphery of a cylindrical polyamide molded body by an injection molding method. It is used as a material for wheel applications.
The laminate produced by the above conventional method has a weak adhesive force at the adhesive interface between the polyamide molded product and the polyurethane molded product. There was sometimes peeling.
[0003]
In addition, conventionally, it is also known to obtain a urethane resin composite molded article in which a urethane resin cured product is bonded to the surface of a glass fiber reinforced polyamide product via an epoxy-modified melamine resin adhesive layer (for example, Patent Document 1 and Patent Document 2).
However, the peel strength of the resin composite molded product obtained by this method is about 18 kgf / 25 mm (7.0 N / mm), and the peel strength between the glass fiber reinforced polyamide product and the urethane resin is still insufficient.
[0004]
[Patent Document 1]
JP-A-5-309739 (page 4, Example 2 in Table 1)
[Patent Document 2]
JP-A-5-309742 (Page 4, Example 2 in Table 1)
[0005]
[Means for Solving the Problems]
The present invention relates to a method for laminating a laminate having excellent peel strength utilizing both characteristics of a polyamide resin having rigidity and self-lubricating property and a polyurethane resin having elasticity, and a laminate obtained by the laminating method. The summary is as follows.
(1) After applying a silicone-based adhesive on the surface of a polyamide molded body obtained by anionic polymerization of lactam and then applying a polyvinyl alcohol-based adhesive thereon, a polyurethane raw material is then cast on the adhesive surface. This is a method of laminating a polyamide molded body and a polyurethane layer, characterized by laminating by a method.
(2) A laminate in which a polyurethane layer is formed by a casting method on the surface of a polyamide molded body obtained by anionic polymerization of lactam via a silicone-based adhesive and a polyvinyl alcohol-based adhesive, It is a laminate of a polyamide molded body and a polyurethane layer, characterized in that the peel strength between the polyamide molded body and the polyurethane layer has an adhesive strength of 8 N / mm or more (based on JIS K7312).
(3) The laminate according to (2) above, which is used for a buffer plate .
(4) The laminate according to (2) above, which is used for a transport roll.
(5) The laminate according to (2) above, which is used for a low noise wheel.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
In order to obtain a laminate having a peel strength of 8 N / mm or more (conforming to JIS K7312) required for applications such as wheel materials, the polyamide molded body constituting this laminate is molded by anionic polymerization of lactam. This is achieved by using what has been done.
The lactam used in the present invention preferably has 4 to 12 carbon atoms and is, for example, γ-butyrolactam, ε-caprolactam, ω-enantolactam, ω-caprolactam, ω-laurolactam, and mixtures thereof.
In particular, a polyamide molded body made of polyamide 6 obtained by known anionic polymerization (monomer casting method) of ε-caprolactam, which is excellent in self-lubrication of the shaft portion, is suitably used for the core material of the laminated body for wheel applications.
Moreover, fillers, such as a bulking agent, can also be added to the said raw material as needed.
[0007]
As described above, a silicone adhesive is applied to the surface of the polyamide molded body formed by anionic polymerization of lactam (particularly, if necessary, the surface of the molded body is roughened by a special surface treatment), and then the solvent is dried. Then, a polyvinyl alcohol-based adhesive is applied from above, and the solvent is similarly dried.
Silicone adhesives have good affinity with polyamide 6, and polyvinyl alcohol adhesives have excellent affinity with polyurethane. Since both have high adhesiveness, a high adhesive force can be obtained by using two adhesive layers. In addition, multiple layers can be applied for uniform application. In addition, 10-30 micrometers is suitable for application | coating thickness.
Next, a polyurethane raw material is laminated on the surface of the adhesive by a casting method to obtain a laminate of a final product, a polyamide molded body and a polyurethane layer.
The hardness of the polyurethane layer to be molded can be adjusted within a range of HDA 30 to 100 in terms of durometer A hardness, but HDA 90 to 98 is particularly preferred for wheel applications.
[0008]
The thickness of the polyurethane layer varies depending on the application, but in the case of a wheel application, it is preferably provided in the range of usually 5 to 50 mm. If the thickness is less than 5 mm, it is difficult to obtain the surface elastic force of the laminate, and if the thickness exceeds 50 mm, the moldability by casting is inferior and the cost is increased.
Although the laminated body obtained by this invention can be used for various uses, it can be conveniently used especially as a buffer plate, a conveyance roll, and a low noise wheel.
In the buffer material application, polyurethane has been fixed by bonding with a conventional steel material. However, in the present invention, the steel material is not used, so that the weight can be reduced, and the use of all resin makes it easy to machine such as cutting. There are advantages.
In roll and wheel applications, the weight can be reduced compared to conventional polyurethane resin + steel wheels, and a polyamide resin with excellent self-lubricating properties is used as a core material, which eliminates the need for bearings. There are advantages, and machining such as cutting is easy. In addition, noise can be reduced as compared with a polyamide wheel not coated with a polyurethane resin, and there is no concern about plastic deformation due to the rubber elasticity of the polyurethane resin.
On the other hand, compared to a composite wheel of polyamide resin and polyurethane resin obtained by injection molding or fitting, there is an advantage that both resins are superior in adhesive force and have a long life.
[0009]
【Example】
a) Measurement of peel strength Measured according to JIS K7312.
b) Steel jig having an outer diameter of 78 mmφ with respect to a cylindrical laminate having an outer diameter of 100 mmφ and a width of 15 mm obtained by laminating polyurethane on a cylindrical polyamide molded body having a maximum punching thrust outer diameter of 80 mmφ and a width of 15 mm Was set so as to fit in the polyamide molded body, and the maximum strength at that time was measured with a universal testing machine at a speed of 5 mm / min.
c) Wheel running test A composite wheel having an outer diameter of 100 mmφ (an outer diameter of a polyamide molded body as a core material of 80 mmφ) and an effective contact width of 28 mm was manufactured.
On the other hand, a rotating drum provided with semicircular protrusions having a radius of 1.5 mm in the width direction of the drum at three positions at equal intervals in the outer circumferential direction of the rotating drum having an outer diameter of 955 mmφ and a width of 200 mm Prepare.
The composite wheel was placed on this rotating drum and traveled for 20 km over a projection at a load of 2600 N and a speed of 4 km / h, and the damaged state of the composite wheel was confirmed.
[0010]
(Example 1)
A silicone-based adhesive (Chemlock 607 manufactured by Road Far East) is applied to the outer periphery of a cylindrical polyamide 6 molded product (MC901 product manufactured by Nippon Polypenco Co., Ltd.) having an outer diameter of 80 mmφ obtained by anionic polymerization of ε-caprolactam. After applying a thickness of 7 μm, the solvent is dried, and then a polyvinyl alcohol-based adhesive (Chemlock 218 manufactured by Road Far East Co.) is applied by a thickness of 15 μm. The product was laminated by a casting method to obtain a cylindrical laminate having a polyurethane layer thickness of 10 mm and a polyurethane layer hardness of HDA95.
The peel strength of the cylindrical laminate was 8.2 N / mm, the maximum thrust strength was 3600 N / mm, and no damage was observed in the situation after the wheel running test.
[0011]
(Comparative Example 1)
A polyamide 6.6 molded body obtained by extrusion molding of polyamide 6.6 pellets (polypenco 66N product manufactured by Nippon Polypenco Co., Ltd.) was used instead of the columnar polyamide 6 molded body of Example 1. In the same manner as in Example 1, a cylindrical laminate was obtained.
The columnar laminate had a peel strength of 4.8 N / mm, a maximum thrust strength of 3000 N / mm, and the situation after the wheel running test was partially peeled at the bonded portion interface of the composite wheel.
[0012]
(Comparative Example 2)
The inner diameter of the cylindrical body previously molded with polyurethane raw material (TU951 product manufactured by Toyo Urethane Co., Ltd.) on the outer periphery of the cylindrical polyamide 6 molded body of Example 1 is 0 with respect to the outer diameter of the polyamide 6 molded body. A cylindrical body having a polyurethane layer hardness of HDA95 was obtained by fitting a cylinder having an interference of 4%.
The columnar laminate had a maximum thrust strength of 700 N / mm, and in the wheel running test, both the columnar and cylindrical bodies constituting the columnar laminate were separated at the time of running 1.5 km, making running impossible.
[0013]
【The invention's effect】
A laminate in which a polyurethane layer is formed on the surface of a polyamide molded body obtained by the method defined in the present invention by a casting method via a silicone-based adhesive and a polyvinyl alcohol-based adhesive is a polyamide molded body that has been widely used conventionally. Compared to a composite wheel of a polyamide resin and a polyurethane resin integrated by injection molding of a polyurethane raw material on the surface or by fitting a pre-molded polyurethane cylinder, it has a long life.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003182802A JP4149316B2 (en) | 2003-06-26 | 2003-06-26 | Lamination method of polyamide molded body and polyurethane layer and laminate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003182802A JP4149316B2 (en) | 2003-06-26 | 2003-06-26 | Lamination method of polyamide molded body and polyurethane layer and laminate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005014417A JP2005014417A (en) | 2005-01-20 |
| JP4149316B2 true JP4149316B2 (en) | 2008-09-10 |
Family
ID=34183089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003182802A Expired - Fee Related JP4149316B2 (en) | 2003-06-26 | 2003-06-26 | Lamination method of polyamide molded body and polyurethane layer and laminate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4149316B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5145730B2 (en) | 2006-07-26 | 2013-02-20 | 株式会社リコー | FIXING BELT BASE AND ITS MANUFACTURING METHOD, FIXING BELT, FIXING DEVICE, AND IMAGE FORMING DEVICE |
-
2003
- 2003-06-26 JP JP2003182802A patent/JP4149316B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005014417A (en) | 2005-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6492076B2 (en) | tire | |
| JP6492077B2 (en) | tire | |
| JPH08267650A (en) | Restraining type vibration-damper | |
| US20130240306A1 (en) | Brake shims and methods of forming same | |
| EP1217397A3 (en) | Polarizing molded article and process for preparing the same | |
| US9267559B2 (en) | Dampening clip | |
| US7981243B2 (en) | Method of manufacturing laminated damping structure with vulcanized rubber as viscoelastic core | |
| US6550868B2 (en) | Damper plate for automobile wheel | |
| JP2010533078A5 (en) | ||
| JP4149316B2 (en) | Lamination method of polyamide molded body and polyurethane layer and laminate | |
| JP4064278B2 (en) | Lamination method of polyamide molded body and polyurethane layer and laminate | |
| JP3045743B2 (en) | Bead filler structure with soft cover | |
| JP2018533676A (en) | Polyurethane roll cover for calender rolls for paper machines | |
| JP2013540061A (en) | Blanket under blanket of blanket cylinder of printing press, especially offset printing machine | |
| US3802989A (en) | Bonding of rubber to magnesium and its alloys | |
| JPS61125901A (en) | Compound reinforced rim for bicycle | |
| JPH1134881A (en) | Steering wheel and its manufacture | |
| SI1854663T1 (en) | Anti-skid support for securing of cargo and its manufacture | |
| BR0100778A (en) | Granulated composite plastic blade, moldable under compression or vacuum, process for its manufacture and use | |
| JP3638650B2 (en) | Damper pulley | |
| RU2117582C1 (en) | Sound-absorbing laminated material | |
| JPH068354A (en) | Roll made of fiber reinforced resin and production thereof | |
| EP4212353A1 (en) | Laminated product, airless tire and manufacturing method therefor | |
| JPH0741054U (en) | Solid Roller | |
| JP2005138379A (en) | Composite molded product and its manufacturing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060224 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20071220 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080401 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080519 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080519 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20080624 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20080625 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110704 Year of fee payment: 3 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120704 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130704 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130704 Year of fee payment: 5 |
|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130704 Year of fee payment: 5 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| LAPS | Cancellation because of no payment of annual fees |