Protective sheet, in particular for a foundation wall or a...

Details Protective sheet, in particular for a foundation wall or a... Protective sheet, in particular for a foundation wall or a...

E - Fixed Constructions

02

D

20/54, 61/4.5

E02D 31/02 (2006.01) E02D 31/10 (2006.01)

Patent

CA 1186470

ABSTRACT OF THE DISCLOSURE The invention relates to a protective sheet, in particular for a foundation wall or a floor on the ground, said sheet being made of a relatively stiff plastics material. A large number of spaced knobs protrude from one side of the sheet, whereby the other side obtains a corresponding number of recesses. The knobs have a centrally disposed crater-like portion, the narrowest end of which is flush with the other side of the sheet. Between adjacent recesses there is arranged an open channel provided through forming such that on the said one side of the sheet there appears a corresponding ridge between the knobs. Externally of the other side of the sheet there may be arranged a filtrating canvas co-acting with said channels.

398743

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