E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
61/32, 61/4.3, 6
E02F 5/10 (2006.01) E02F 5/12 (2006.01)
Patent
CA 1289369
ABSTRACT OF THE DISCLOSURE A vertical drainage element is constructed and laid in position while at the same time forming a narrow vertical channel in the ground by means of an excavating machine or trencher by performing the following successive operations : - a strip of filtering material is unwound from a rotating roll of strip behind the trencher ; - the strip is introduced within the channel formed in the ground while being shaped in the form of a trough, the bottom of the trough being placed at the bottom of the channel whilst the side walls of the trough are placed against the channel walls ; - the top edges of the trough are held in position one against the other while filling the trough with bulk material in granular form which subsequently con- stitutes a vertical filtration block ; - the top edges of the trough of filtering material are closed on top of the completed block and are fastened together so as to form a closed jacket around the block.
551127
Fournier Drainage S.a.
Goudreau Gage Dubuc
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