Sealing mat for use in civil and underground engineering for the

Stock material or miscellaneous articles – Sheet including cover or casing – Encased layer derived from inorganic settable ingredient

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Details

428 72, 428 74, 428 76, 428102, 442318, 442319, B32B 516, B32B 530, B32B 708

Patent

active

06020043&

ABSTRACT:
A sealing mat is proposed for use in civil and underground engineering for the insulation of soil against liquids, especially water, having two outer layers consisting of a fibrous material, between which is placed a powder of mineral sealing material, e.g. bentonite, and the two layers are connected with each other, whereby between the two layers (1, 2) an aero-fleece is place, in which the powder (4) of mineral sealing material is stored, and the two layers (1, 2) are sewn to each other with the aero-fleece located in between.

REFERENCES:
patent: 3563837 (1971-02-01), Smith
patent: 4424248 (1984-01-01), Tesch
patent: 4501788 (1985-02-01), Clem
patent: 4622260 (1986-11-01), Tesch
patent: 4997695 (1991-03-01), Clem
patent: 4997701 (1991-03-01), Clem
patent: 5041330 (1991-08-01), Heerten

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