Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1995-06-06
1997-04-15
Loney, Donald
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
428150, 428192, 428218, 405129, 405268, 5216914, B32B 328, B09B 100, G21F 900
Patent
active
056207786
ABSTRACT:
A liquid-resistant protective layer which at least consists of a material layer containing clay, has, adjacent at least one edge of the layer, at least one groove or slit which extends into the material layer containing the clay to enable sealed joints to be formed between contiguous protective layers.
REFERENCES:
patent: 5258217 (1993-11-01), Lewis
patent: 5360294 (1994-11-01), Carriker et al.
Bouwwereld . vol. 88 No. 18, Sep. 4, 1992, p. 77 "Zelfdichtend Milieumembraan".
Loney Donald
Pharo Limited
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