Resin-made interior member for opening and closing body and molding die and molding method therefor
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-003/02
B32B-025/04
B32B-025/00
B29C-045/00
B29C-045/03
B29C-065/02
출원번호
US-0513863
(2003-04-28)
등록번호
US-7270863
(2007-09-18)
우선권정보
JP-2002-128787(2002-04-30)
국제출원번호
PCT/JP03/005435
(2003-04-28)
§371/§102 date
20050428
(20050428)
국제공개번호
WO03/092984
(2003-11-13)
발명자
/ 주소
Harima,Issei
Saito,Yoshiaki
Tochioka,Takahiro
출원인 / 주소
DaikyoNishikawa Corporation
대리인 / 주소
Hamre, Schumann, Mueller & Larson, P.C.
인용정보
피인용 횟수 :
3인용 특허 :
5
초록▼
A resin-made interior member for an opening and closing body of the invention is a resin-made interior member to be attached to an inside of an outer panel of the opening and closing body and is formed by an injection molding method using a molding material of polypropylene type resin containing a r
A resin-made interior member for an opening and closing body of the invention is a resin-made interior member to be attached to an inside of an outer panel of the opening and closing body and is formed by an injection molding method using a molding material of polypropylene type resin containing a reinforcing fiber and rubber and by properly setting the respective contents of the reinforcing fiber and the rubber component, the modulus of bend elasticity is improved by blending the reinforcing fiber without being accompanied with deterioration of the moldability as the material resin and the appearance of the molded product to improve rigidity of the interior member and impact resistance is assured by blending the rubber component to give the interior member with good moldability and appearance in form of the molded product and having a required rigidity and impact resistance.
대표청구항▼
What is claimed is: 1. A resin-made interior member, to be attached to an inner side of an outer panel of an opening and closing member, comprising: a structure molded by an injection molding method using a molding material of a polypropylene type resin containing a reinforcing fiber and rubber, th
What is claimed is: 1. A resin-made interior member, to be attached to an inner side of an outer panel of an opening and closing member, comprising: a structure molded by an injection molding method using a molding material of a polypropylene type resin containing a reinforcing fiber and rubber, the structure defining a plurality of sections; when considering a virtual rectangular shape that circumscribes the interior member in a front view, one of the sections being a thin part being provided in a periphery of an end portion of the interior member in a direction along a predetermined side of the virtual rectangular shape while being extended approximately in parallel to either another side of the virtual rectangular shape crossing the predetermined side or an outer circumferential line of the interior member being extended in approximately a same direction as the another side, the thin part includes a thickness that is thinner than the other sections of the structure, the thin part comprising a pair of thin parts being provided in the periphery of the end portion of the interior member, and one of the sections being at least one thick part being provided in the periphery of an end portion of the interior member in a direction along one side of the virtual rectangular shape while being extended approximately in parallel to either a predetermined side of the virtual rectangle crossing the one side or an outer circumferential line of the interior member being extended approximately in the same direction as the predetermined side, the thick part includes a thickness that is thicker than the other sections of the structure; and when considering a virtual rectangular shape that circumscribes the interior member in a front view, a location at where the polypropylene type resin can be injected, the location is disposed above at least one of said at least one thick part and is disposed between the pair of thin parts. 2. The resin-made interior member for an opening and closing member as claimed in claim 1, wherein the interior member has an opening part for a window. 3. A resin-made interior member to be attached to an inner side of an outer panel, comprising: a structure molded by an injection molding method using a molding material of a polypropylene type resin containing a reinforcing fiber and rubber, the structure defining a plurality of sections; when considering a virtual rectangular shape that circumscribes the interior member in a front view, one of the sections being a thin part being provided in a periphery of an end portion of the interior member in a direction along a predetermined side of the virtual rectangular shape while being extended approximately in parallel to either another side of the virtual rectangular shape crossing the predetermined side or an outer circumferential line of the interior member being extended in approximately a same direction as the another side, the thin part includes a thickness that is thinner than the other sections of the structure, the thin part comprising a pair of thin parts being provided in the periphery of the end portion of the interior member, and one of the sections being at least one thick part being provided in the periphery of an end portion of the interior member in a direction along one side of the virtual rectangular shape while being extended approximately in parallel to either a predetermined side of the virtual rectangle crossing the one side or an cuter circumferential line of the interior member being extended approximately in the same direction as the predetermined side, the thick part includes a thickness that is thicker than the other sections of the structure; and when considering a virtual rectangular shape that circumscribes the interior member in a front view, a location at where the polypropylene type resin can be injected, the location is disposed above at least one of said at least one thick part and is disposed between the pair of thin parts. 4. A molding method of a resin-made interior member, to be attached to an inner side of an outer panel of an opening and closing member, comprising passing a resin material injected to a molding die from a gate to a thick cavity part corresponding to at least one thick part set approximately in parallel to a terminal part in a periphery of the terminal part of the interior member, and when considering a virtual rectangular shape that circumscribes the interior member in a front view, the thick part being provided in the periphery of the terminal part of the interior member in a direction along one side of the virtual rectangular shape while being extended approximately in parallel to either a predetermined side of the virtual rectangle crossing the one side or an outer circumferential line of the interior member being extended approximately in the same direction as the predetermined side, the step of passing a resin material to a thick cavity part including forming the thick part with a thickness that is thicker than the terminal part and is thicker than other sections forming the interior member; passing a resin material injected to a molding die from a gate to a thin cavity part corresponding to a thin part, and when considering a virtual rectangular shape that circumscribes the interior member in a front view, the thin part being provided in a periphery of the terminal part of the interior member in a direction along a predetermined side of the virtual rectangular shape while being extended approximately in parallel to either another side of the virtual rectangular shape crossing the predetermined side or an outer circumferential line of the interior member being extended in approximately a same direction as the another side, the step of passing a resin material to a thin cavity part including forming the thin part with a thickness that is thinner than other sections forming the interior member, the thin part comprising a pair of thin parts being provided in the periphery of the terminal part of the interior member; and passing a resin material to a terminal cavity part corresponding to the terminal part, wherein the resin material is a polypropylene type resin containing a reinforcing fiber and rubber, and when considering a virtual rectangular shape that circumscribes the interior member in a front view, a location at where the polypropylene type resin can be injected, the location is disposed above at least one of said at least one thick part and is disposed between the pair of thin parts. 5. A molding die of a resin-made interior member to be attached to an inner side of an outer panel of an opening and closing member, the molding die comprising: a terminal cavity part corresponding to the terminal part of the interior member; a gate cavity part having a gate for a resin material injection; a thick cavity part having a gap size wider than that of both of the former cavities and being provided approximately in parallel to the terminal cavity part and between the former cavities, the thick cavity part being configured to pass a resin material injected to the molding die from a gate, the thick cavity part corresponding to at least one thick part set approximately in parallel to the terminal part in a periphery of the terminal part of the interior member, and when considering a virtual rectangular shape that circumscribes the interior member in a front view, the thick part being provided in the periphery of the terminal part of the interior member in a direction along one side of the virtual rectangular shape while being extended approximately in parallel to either a predetermined side of the virtual rectangle crossing the one side or an outer circumferential line of the interior member being extended approximately in the same direction as the predetermined side, where passing the resin material to the thick cavity part including forming the thick part with a thickness that is thicker than the terminal part and is thicker than other sections forming the interior member; a thin cavity part being configured to pass a resin material injected to the molding die from a gate, the thin cavity part corresponding to a thin part, and when considering a virtual rectangular shape that circumscribes the interior member in a front view, the thin part being provided in a periphery of the terminal part of the interior member in a direction along a predetermined side of the virtual rectangular shape while being extended in approximately in parallel to either another side of the virtual rectangular shape crossing the predetermined side or an outer circumferential line of the interior member being extended in approximately a same direction as the another side where passing the resin material to the thin cavity part including forming the thin part with a thickness that is thinner than other sections forming the interior member, the thin part comprising a pair of thin parts being provided in the periphery of the terminal part of the interior member; and a cavity path for introducing the resin material injected through the gate to the thick cavity part via the gate cavity part, and then to the terminal cavity part, wherein the resin material is a polypropylene type resin containing a reinforcing fiber and rubber, and when considering a virtual rectangular shape that circumscribes the interior member in a front view, a location at where the polypropylene type resin can be injected, the location is disposed above at least one of said at least one thick part and is disposed between the pair of thin parts.
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이 특허에 인용된 특허 (5)
Whitelaw Jeffrey G. ; White Joseph, Advanced projection television screen.
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