E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
61/28
E02D 29/00 (2006.01) E03F 5/02 (2006.01)
Patent
CA 1172052
ABSTRACT OF THE DISCLOSURE A canal bed shell for a sewer or a channel consisting at least partially of tubes and carrying a liquid medium has a U-shaped or a V-shaped cross section. On at least one end of this canal bed shell this canal bed shell has a continuation formed of a tube portion which is integrally formed with the canal bed shell and which can be tightly connected with one of the tubes. The height of the canal bed shell as measured from the bottom up to the upper boundary edge is at least as great as is the internal diameter of said tube. The canal bed shell passes over in a stepless manner into said tube at least at the area of the bottom of the canal bed shell. The canal bed shell can be arcuately bent and be provided with side-channel crossings. Conveniently, the canal bed shell is provided with a berm forming one single piece with the canal bed shell and forming the shaft bottom. The berm can be provided with a recessed shoulder which cooperates with a shaft element to be superpositioned. - 1 -
396821
Gowling Lafleur Henderson Llp
Guggemos Horst
LandOfFree
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