E - Fixed Constructions – 01 – H
Patent
E - Fixed Constructions
01
H
94/1
E01H 5/00 (2006.01) E01H 4/00 (2006.01)
Patent
CA 1233686
ABSTRACT OF THE DISCLOSURE A method for laying a snow road or an airplane runway on a snow or ice covered surface includes the removal of a predetermined and relatively small portion of the snow or ice surface, which is melted to water and mixed with the snow or ice remaining on the snow surface. The mixture of water and snow or ice is leveled so as to form a road surface when the mixture freezes. Preferably, the snow remaining on the surface is mechanically worked with a rototiller, while the melted snow is injected into the snow being worked. The method is particulary advantageous in that it can be carried out without requiring melting of all the snow necessary to form the snow road, or requiring the addition of any water from an external source, other than the portion of snow removed from the snow surface. An apparatus for performing the method is also described.
473108
Gowling Lafleur Henderson Llp
Thermal Power Corporation
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