IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0292669
(2002-11-12)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
8 인용 특허 :
66 |
초록
▼
An ultrathin covered structural panel includes a panel body made from a relatively lightweight moldable material such as expanded polypropylene (EPP), expanded polystyrene (EPS), expanded polypropylene with added strengtheners (XPP), polystyrene/polyphenylene ether (GECET짰) foam, polyurethane foam,
An ultrathin covered structural panel includes a panel body made from a relatively lightweight moldable material such as expanded polypropylene (EPP), expanded polystyrene (EPS), expanded polypropylene with added strengtheners (XPP), polystyrene/polyphenylene ether (GECET짰) foam, polyurethane foam, polystyrene foam, fiberglass materials, glass fiber-reinforced polypropylene (Azdel짰 composites), or treated reclaimed cellulose. The structural panel also includes one or more rigid high-strength structural inserts in the interior of the panel body. The structural panel further includes a covering on at least one side of the panel body. The structural panel is not more than about 20 mm thick. In a method of making the structural panel, one or more rigid high-strength structural inserts are placed into the cavity of a mold. The mold cavity has the shape of the structural panel and has a thickness of not more than about 20 mm. The mold is closed. A relatively lightweight moldable material is introduced into the mold cavity so that the moldable material surrounds the insert(s) and fills the mold cavity. The moldable material is allowed to harden to form the structural panel, and the finished structural panel is removed from the mold.
대표청구항
▼
What is claimed is: 1. A vehicle load floor comprising: a load floor positioned within the vehicle in a generally horizontal orientation, said load floor including: a molded floor body having a predetermined shape; a rigid skeleton embedded entirely within molded material of said body, said skeleto
What is claimed is: 1. A vehicle load floor comprising: a load floor positioned within the vehicle in a generally horizontal orientation, said load floor including: a molded floor body having a predetermined shape; a rigid skeleton embedded entirely within molded material of said body, said skeleton defined by a frame having a configuration generally corresponding to said predetermined shape, and a plurality of spaced apart beams extending in said frame, wherein said skeleton is configured so that the moldable material can flow substantially uninterrupted through and/or around the skeleton to lock the moldable material to the skeleton; and a covering material located on an upwardly facing surface of said floor body. 2. The vehicle load floor according to claim 1, wherein said skeleton includes a plurality of holes therethrough such that portions of said body extend through said holes to lock the moldable material to said skeleton. 3. The vehicle load floor according to claim 1, wherein said covering material is carpet. 4. The vehicle load floor according to claim 1, wherein said covering material is molded onto said body. 5. The vehicle load floor according to claim 1, wherein said frame is formed from a plurality of connected elongated beams forming a rectangular shaped perimeter and a plurality of cross bars extending between said frame. 6. The vehicle load floor according to claim 5, wherein said beams have a cross-sectional shape defined by one of a rectangular shape, a circular shape, a C-shape, a hat shape, an L-shape, an I shape, and a T-shape. 7. The vehicle load floor according to claim 1, wherein said molded floor body is made of a lightweight moldable material including one of expanded polypropylene, expanded polystyrene, expanded polypropylene with added strengtheners, polystyrene/polyphenylene ether foam, polyurethane foam, polystyrene foam, fiberglass materials, glass fiber-reinforced polypropylene, and treated reclaimed cellulose.
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