Stock material or miscellaneous articles – Three dimension imitation or 'treated' natural product – Flora
Patent
1988-05-26
1989-11-21
McCamish, Marion C.
Stock material or miscellaneous articles
Three dimension imitation or 'treated' natural product
Flora
156 72, 428 95, 4283144, 4283148, 4283186, 4283191, 4283199, 428461, 428464, 428516, B32B 302, B32B 3300
Patent
active
048822086
ABSTRACT:
A multilayer composite sheet, especially for use as a padding layer underneath artificial grass, or turf includes a bottom layer of expanded synthetic resin, particularly of closed-cell polyethylene foam, and a metallic foil flatly bonded to the foam material. The multilayer composite sheet exhibits low weight per unit area, low water absorption, and low thermal linear expansion suitable for exposure to ambient weather conditions especially sunlight.
REFERENCES:
patent: 4489115 (1984-12-01), Layman et al.
Breitscheidel Hans-Ulrich
Kautz Rudolf
Sandermann Karl-Heinz
Balsam Sportstattenbau & Co. KG
Huels Troisdorf AG
McCamish Marion C.
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