JP6582131B2 - 自動車用リアバンパービーム - Google Patents
自動車用リアバンパービーム Download PDFInfo
- Publication number
- JP6582131B2 JP6582131B2 JP2018519659A JP2018519659A JP6582131B2 JP 6582131 B2 JP6582131 B2 JP 6582131B2 JP 2018519659 A JP2018519659 A JP 2018519659A JP 2018519659 A JP2018519659 A JP 2018519659A JP 6582131 B2 JP6582131 B2 JP 6582131B2
- Authority
- JP
- Japan
- Prior art keywords
- bumper beam
- rear bumper
- automobile
- plate
- polyolefin resin
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/03—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by material, e.g. composite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/043—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
- B60R2019/1833—Structural beams therefor, e.g. shock-absorbing made of plastic material
- B60R2019/1853—Structural beams therefor, e.g. shock-absorbing made of plastic material of reinforced plastic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R2019/186—Additional energy absorbing means supported on bumber beams, e.g. cellular structures or material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2453/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Reinforced Plastic Materials (AREA)
- Body Structure For Vehicles (AREA)
Description
本発明は、分子量の分布が2〜10であるプロピレン単独重合体及び着色剤を含む高分子基材と、前記高分子基材で含浸された5〜20mm長さの繊維強化材と、を含む熱可塑性樹脂複合体からなるポリオレフィン樹脂であって、前記繊維強化材は前記ポリオレフィン樹脂に対して10〜50重量%含まれることを特徴とするポリオレフィン樹脂を提供する。
プロピレン単独重合体(分子量分布5)、着色剤(カーボンブラック)、及び衝撃補強剤(オレフィンブロック共重合体、エチレン系繰り返し単位及びブチレン系繰り返し単位を含む、溶融指数(ASTM D1238、230℃、2.16kgの荷重で測定)10g/10min)の溶融混合物に、繊維強化材(ガラス繊維、長さ9〜13mm、表面にエポキシ基を含む)を含浸し、公知の方法を利用して長さが10〜30mm、断面の直径が1〜5mmのペレット糸のLFTを製造した。最終造成比は、プロピレン単独重合体:繊維強化材:着色剤:衝撃補強剤の重量比が60:15:1:1であった。
110 支持部
111、112 垂直プレート
113 水平プレート
114 X型リブ
115 締結部材
116 リブ
120 エネルギー吸収部
121 第1プレート
122 第2プレート
123 リブ
Claims (6)
- 分子量の分布が2〜10であるプロピレン単独重合体及び着色剤を含む高分子基材と、
前記高分子基材で含浸された5〜20mm長さの繊維強化材と、を含む熱可塑性樹脂複合体からなるポリオレフィン樹脂からなる自動車用リアバンパービーム射出成形用ポリオレフィン樹脂を用いて射出成形される自動車用リアバンパービームであって、
前記繊維強化材は、前記ポリオレフィン樹脂に対して10〜50重量%含まれ、前記繊維強化材と前記プロピレン単独重合体との重量比は1:1.5〜1:10であり、前記着色剤と前記繊維強化材との重量比は1:1〜1:50であり、
前記自動車用リアバンパービームは、互いに平行に配置される2枚の垂直プレートと、前記2枚の垂直プレートを連結する水平プレートとからなるH型の断面構造を有し、前記自動車に一端部が取り付けられる支持部と、前記支持部の他端部に形成されるエネルギー吸収部と、を含み、前記支持部及び前記エネルギー吸収部は、射出成形されて一体に形成されること、を特徴とする自動車用リアバンパービーム。 - 前記ポリオレフィン樹脂は衝撃強度(ASTM D256)が200J/m以上であること、を特徴とする、請求項1に記載の自動車用リアバンパービーム。
- 前記高分子基材は衝撃補強剤、無機充填剤、紫外線遮断剤、酸化防止剤、潤滑剤、帯電防止剤、相溶化剤、及び微細粒子からなる群から選択された一種以上の添加剤を更に含むこと、を特徴とする、請求項1に記載の自動車用リアバンパービーム。
- 前記衝撃補強剤はエチレン系繰り返し単位、及び炭素数4〜30のα−オレフィン系繰り返し単位を含むオレフィンブロック共重合体を含むこと、を特徴とする、請求項3に記載の自動車用リアバンパービーム。
- 前記オレフィンブロック共重合体は溶融指数(ASTM D1238、230℃、2.16kgの荷重で測定)が2〜50g/10minであること、を特徴とする、請求項4に記載の自動車用リアバンパービーム。
- 前記エネルギー吸収部は、前記垂直プレートから水平に延長形成される第1プレートと、前記第1プレートから上方または下方に延長形成される第2プレートで構成され、
前記2つの垂直プレート及び前記水平プレートにより形成される上下内側空間には、X形リブが形成され、前記第2プレート及び前記垂直プレートの間には、前記X形リブの位置と対応する位置にリブが形成された、自動車用リアバンパービーム射出成形用ポリオレフィン樹脂を用いることを特徴とする、請求項1に記載の自動車用リアバンパービーム。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2015-0092074 | 2015-06-29 | ||
KR1020150092074A KR101688320B1 (ko) | 2015-06-29 | 2015-06-29 | 자동차용 후방 범퍼 빔 구조 |
KR10-2015-0115596 | 2015-08-17 | ||
KR1020150115596A KR101721767B1 (ko) | 2015-08-17 | 2015-08-17 | 자동차 후방 범퍼 빔 사출성형용 폴리올레핀 수지 |
KR10-2016-0039019 | 2016-03-31 | ||
KR1020160039019A KR101860629B1 (ko) | 2016-03-31 | 2016-03-31 | 폴리올레핀 수지와 그 제조방법 및 이를 이용한 자동차용 후방 범퍼 빔 |
PCT/KR2016/003443 WO2017003070A1 (ko) | 2015-06-29 | 2016-04-04 | 폴리올레핀 수지와 그 제조방법 및 이를 이용한 자동차용 후방 범퍼 빔 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018521206A JP2018521206A (ja) | 2018-08-02 |
JP6582131B2 true JP6582131B2 (ja) | 2019-09-25 |
Family
ID=57608454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018519659A Active JP6582131B2 (ja) | 2015-06-29 | 2016-04-04 | 自動車用リアバンパービーム |
Country Status (5)
Country | Link |
---|---|
US (1) | US10696830B2 (ja) |
EP (1) | EP3315541B1 (ja) |
JP (1) | JP6582131B2 (ja) |
CN (1) | CN107889496B (ja) |
WO (1) | WO2017003070A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9919667B2 (en) * | 2016-06-27 | 2018-03-20 | Ford Global Technologies, Llc | Bumper assembly |
KR102194218B1 (ko) | 2017-11-29 | 2020-12-22 | 롯데케미칼 주식회사 | 자동차용 범퍼 빔 |
DE102018114344A1 (de) * | 2018-06-15 | 2020-04-23 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Frontstruktur für eine Karosseriestruktur eines Kraftfahrzeugs |
CN112977309A (zh) * | 2019-12-13 | 2021-06-18 | 观致汽车有限公司 | 前防撞梁及前防撞梁的制造方法 |
US20220118928A1 (en) * | 2020-10-15 | 2022-04-21 | Productive Research Llc | Vehicle bumper, composite materials for vehicle bumpers, and methods thereof |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3242399B2 (ja) | 1990-07-25 | 2001-12-25 | ポリプラスチックス株式会社 | バンパービームおよびその製造法 |
JP2000109613A (ja) | 1998-08-05 | 2000-04-18 | Asahi Chem Ind Co Ltd | 高強度熱可塑性樹脂組成物 |
WO2003022638A1 (en) | 2001-09-12 | 2003-03-20 | General Electric Company | Bumper beam and bumper assembly including a bumper beam |
JP4571790B2 (ja) * | 2003-09-11 | 2010-10-27 | 株式会社プライムポリマー | 長繊維強化樹脂ペレット及びその成形体 |
US20060264544A1 (en) * | 2005-05-17 | 2006-11-23 | Arnold Lustiger | Cloth-like fiber reinforced polypropylene compositions and method of making thereof |
JP5151134B2 (ja) * | 2005-12-14 | 2013-02-27 | 住友化学株式会社 | ポリオレフィン樹脂組成物およびその成形品 |
US8198373B2 (en) * | 2006-10-02 | 2012-06-12 | Exxonmobil Chemical Patents Inc. | Plastic toughened plastics |
CN103739949B (zh) * | 2006-12-20 | 2016-06-22 | 巴塞尔聚烯烃意大利有限责任公司 | 含填料和/或颜料的聚丙烯组合物 |
JP5446090B2 (ja) * | 2006-12-26 | 2014-03-19 | 住友化学株式会社 | プロピレン系樹脂組成物とそのペレットおよびそれらからなる成形体 |
KR100921332B1 (ko) * | 2007-08-31 | 2009-10-13 | 지에스칼텍스 주식회사 | 착색 장섬유 강화 펠렛 및 이를 이용하여 제조된 착색 수지성형품 |
KR20090022835A (ko) | 2007-08-31 | 2009-03-04 | 지에스칼텍스 주식회사 | 무기물 함유 장섬유 강화 펠렛 및 이를 이용하여 제조된수지 성형품 |
KR101365057B1 (ko) | 2007-09-19 | 2014-02-19 | 한라비스테온공조 주식회사 | 자동차용 범퍼빔 |
KR100917651B1 (ko) | 2007-12-17 | 2009-09-17 | 한화엘앤씨 주식회사 | 범퍼 시스템 |
US8084539B2 (en) | 2008-12-18 | 2011-12-27 | Sumitomo Chemical Company, Limited | Resin composition and molded article comprising the same |
KR20130011774A (ko) * | 2011-07-22 | 2013-01-30 | (주)삼박 | 섬유 강화 복합재료용 수지 조성물 및 이로부터 제조되는 프리프레그 |
JP2014208808A (ja) * | 2013-03-27 | 2014-11-06 | 富士フイルム株式会社 | 着色組成物、感光性着色組成物、カラーフィルタ及びその製造方法、固体撮像素子、並びに画像表示装置 |
JP6372125B2 (ja) * | 2013-03-29 | 2018-08-15 | 日本ポリプロ株式会社 | 繊維強化ポリプロピレン系難燃樹脂組成物及びそれを用いた成形体 |
KR101457995B1 (ko) | 2013-04-02 | 2014-11-07 | 주식회사 캠스 | 범퍼 백빔 성형 방법 및 이에 의한 범퍼 백빔 |
EP2821434A1 (en) * | 2013-07-05 | 2015-01-07 | Basell Poliolefine Italia S.r.l. | Polypropylene compositions containing glass fiber fillers |
KR101521147B1 (ko) | 2013-12-10 | 2015-05-20 | 현대모비스 주식회사 | 내충격성이 향상된 장섬유강화 열가소성 수지 조성물 및 이에 의해 제조된 성형품 |
KR101674609B1 (ko) | 2015-05-07 | 2016-11-09 | 롯데케미칼 주식회사 | 폴리올레핀 수지 단일칩 제조방법 및 폴리올레핀 수지 단일칩 |
-
2016
- 2016-04-04 US US15/740,891 patent/US10696830B2/en active Active
- 2016-04-04 EP EP16818103.0A patent/EP3315541B1/en active Active
- 2016-04-04 WO PCT/KR2016/003443 patent/WO2017003070A1/ko active Application Filing
- 2016-04-04 JP JP2018519659A patent/JP6582131B2/ja active Active
- 2016-04-04 CN CN201680038367.XA patent/CN107889496B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP3315541A1 (en) | 2018-05-02 |
CN107889496A (zh) | 2018-04-06 |
US20180186984A1 (en) | 2018-07-05 |
US10696830B2 (en) | 2020-06-30 |
EP3315541B1 (en) | 2023-11-22 |
EP3315541A4 (en) | 2019-03-06 |
JP2018521206A (ja) | 2018-08-02 |
CN107889496B (zh) | 2021-12-17 |
WO2017003070A1 (ko) | 2017-01-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6582131B2 (ja) | 自動車用リアバンパービーム | |
US5806889A (en) | Shock absorbing structure for motor vehicle | |
KR100666769B1 (ko) | 폴리프로필렌계 장섬유 강화 조성물 및 이를 이용하여제조된 도어 쉴드 모듈 플레이트 성형품 | |
US8367753B2 (en) | Polypropylene resin composition for creating fabric texture | |
KR101251263B1 (ko) | 내스크래치 개선 폴리올레핀계 수지 조성물 및 이를 이용한 성형품 | |
US5219913A (en) | Polypropylene-based resin composition | |
US10465065B2 (en) | Compound composition for vehicle interior material using natural fiber | |
CN105838063B (zh) | 碳纤维增强的热塑性树脂组合物及使用其制造的模制品 | |
CN101437717A (zh) | 混合设计的轻质构件 | |
US9499689B2 (en) | Carbon fiber reinforced polypropylene resin composition with excellent molding property | |
JP3684238B2 (ja) | 樹脂製自動車用衝撃緩衝部材およびその製造方法 | |
KR101860629B1 (ko) | 폴리올레핀 수지와 그 제조방법 및 이를 이용한 자동차용 후방 범퍼 빔 | |
JP3561007B2 (ja) | 樹脂製自動車用衝撃緩衝部材 | |
US9115278B2 (en) | Polyolefin-based resin composition | |
KR101721767B1 (ko) | 자동차 후방 범퍼 빔 사출성형용 폴리올레핀 수지 | |
KR20110116293A (ko) | 재활용 가능한 충격 및 유동성이 우수한 자동차 폐 열가소성 수지 조성물 및 이의 제품 | |
CA2062397A1 (en) | Plastic-made automobile bumper beam | |
KR100881102B1 (ko) | 범퍼 백빔 | |
CN109747577A (zh) | 用于车辆保险杠的下加强件 | |
KR101688320B1 (ko) | 자동차용 후방 범퍼 빔 구조 | |
CN108570203A (zh) | 聚丙烯树脂组合物及其成型产品 | |
KR20100058227A (ko) | 자동차 범퍼용 고유동 폴리프로필렌 수지 조성물 | |
JP2005145161A (ja) | 自動車室内用衝撃吸収部材 | |
US10513591B2 (en) | Low cost high heat polymer with improved sound deadening properties made with recycled plastics | |
KR100236474B1 (ko) | 폴리우레탄 포움 스크랩을 이용한 자동차용 방음재 조성물 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20171226 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180531 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20181121 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20181218 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190315 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20190419 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20190419 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20190419 |
|
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: 20190822 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20190902 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6582131 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |