Multilayer composite sheet, especially for use as a padding layer under artificial grass
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United States of America Patent
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-
Nov 21, 1989
Grant Date -
N/A
app pub date -
May 26, 1988
filing date -
May 27, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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International Classification(s)
Cited Art Landscape
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