Patent EP0150534A2 successfully refreshed from Google Patents.
EP0150534A2
Expired / Lapsed
EP
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Laminate
Assignee: General Electric Plastics Structured Products Europe BV
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Filing: 1984-12-13
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Granted: —
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Expires: 2004-12-13
Abstract
Abstract ® The invention relates to twin wall sheet. The improvement deals with having at least one of the surfaces of at least one of the sheets having a structured surface. This results - in case of light transmitting sheets - in a diffusion of the transmitted light.
Inventors
- 👤 Kurt Hirsch
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 12:14
CPC Classifications
B; B32; B32B; B32B3/00; B32B3/10; B32B3/18; B32B3/20; B32B27/00; B32B27/06; B32B27/08; B32B3/26; B32B3/30; E; E04; E04C; E04C2/00; E04C2/54; E04C2/543; B32B2307/00; B32B2307/40
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
45 words
A laminate of a light-transmitting synthetic resin having two mutually parallel cover plates and mutually parallel extending webs extending at right angles thereto, characterized in that at least one cover plate (2, 9, 14, 18, 19) comprises a structured surface (5, 10, 16, 20, 21).
Claim 2
Dependent Claim
45 words
A laminate of a light-transmitting synthetic resin having two mutually parallel cover plates and mutually parallel extending webs extending at right angles thereto, characterized in that at least one cover plate (2, 9, 14, 18, 19) comprises a structured surface (5, 10, 16, 20, 21).
Claim 3
Dependent Claim
38 words
A laminate as claimed in Claim 1, characterized in that the structured surface (5, 10, 16, 20, 21) is provided on the inside of the cover plate (3, 9, 14, 18, 19) adjoining the webs (4, 11, 15).
Claim 4
Dependent Claim
31 words
A laminate as claimed in Claim 1 or 2, characterized in that the structured side of the cover plate (3) is formed by a surface (5) which in cross-section is zig-zag-shaped.
Claim 5
Dependent Claim
38 words
A laminate as claimed in any of the Claims 1, 2 or 3, characterized in that the overall thickness of the cover plate (3) comprising a structured surface is in a range from approximately 0.5 to 1 mm.
Claim 6
Dependent Claim
34 words
A laminate as claimed in any of the Claims 1 to 4, characterized in that the structured surface (10) of the cover plate (9) is formed as a surface which is undulatory in cross-section.
Claim 7
Dependent Claim
27 words
A laminate as claimed in any of the Claims 1 to 5, characterized in that the structured surface is formed so as to vary irregularly (Figure 4).
References Cited (Backward Citations)
No citation records indexed.
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