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公开(公告)号:US10596777B2
公开(公告)日:2020-03-24
申请号:US14914606
申请日:2015-06-09
发明人: Alessandro Aledi , Marco Boltri
IPC分类号: E04B1/00 , B32B3/12 , B32B5/02 , B32B27/12 , B32B27/32 , B32B27/08 , B32B3/28 , B32B27/20 , B60N2/64 , E04C2/26 , E04C2/34
摘要: A honeycomb sandwich sheet or panel, based on thermoplastic polypropylene, includes a structure having two flat outer films, thermowelded to a central film that includes a thermoformed blister film, with blisters repeated in a regular and continuous pattern, the flat outer films including a coextruded two-layer film, based on thermoplastic polypropylene, wherein the inner layer faces the central thermoformed film, and the central thermoformed blister film includes a coextruded three-layer film, based on thermoplastic polypropylene, wherein the two outer layers face the flat outer films, and wherein the structure includes and additional layer C thermowelded to the outer layer of the two flat outer films.
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公开(公告)号:US20170087797A1
公开(公告)日:2017-03-30
申请号:US14914606
申请日:2015-06-09
发明人: Alessandro Aledi , Marco Boltri
CPC分类号: B32B3/12 , B32B3/28 , B32B5/02 , B32B27/08 , B32B27/12 , B32B27/20 , B32B27/32 , B32B2250/05 , B32B2250/40 , B32B2262/0253 , B32B2262/0261 , B32B2262/0276 , B32B2262/101 , B32B2264/104 , B32B2305/024 , B32B2307/558 , B32B2307/718 , B32B2323/10 , B32B2451/00 , B32B2605/00 , B32B2605/003 , B32B2607/00 , B60N2/64 , E04C2/26 , E04C2/3405 , E04C2002/3472
摘要: A honeycomb sandwich sheet or panel, based on thermoplastic polypropylene, includes a structure having two flat outer films, thermowelded to a central film that includes a thermoformed blister film, with blisters repeated in a regular and continuous pattern, the flat outer films including a coextruded two-layer film, based on thermoplastic polypropylene, wherein the inner layer faces the central thermoformed film, and the central thermoformed blister film includes a coextruded three-layer film, based on thermoplastic polypropylene, wherein the two outer layers face the flat outer films, and wherein the structure includes and additional layer C thermowelded to the outer layer of the two flat outer films.
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