E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
61/92, 20/117.6
E02D 5/80 (2006.01)
Patent
CA 1220925
ABSTRACT A self-deploying ice probe and ice anchor which can be used to anchor instruments or objects to an iceberg, or to attach a hawer which can be used to tow the iceberg. In its simplest form, the invention is an ice probe comprising a structure having a heat retaining elongated body, an ice penetrating end of which is heat exuding. Preferably the body is smooth walled, the body retaining heat by having a high thermal conductivity core which is insulated around its walls and one end. The heat exuding end touches the ice, and melts a hole, the elongated body slipping into the hole as it melts. Once all of the heat energy retained in the core has been dissipated, the body freezes into position. A cable attached to the insulated end can be used to attach a load. According to another embodiment of the invention, an ice anchor is comprised of an ice probe, the probe comprising a structure having a heat retaining elongated body, one end of which is heat exuding, the anchor further comprising a frame for supporting the ice probe in a position with the heat exuding end in contact with the ice, whereby a hole can be melted into the ice. The anchor includes apparatus for facilitating passage of the probe into the hole as the hole is melted. A cable for applying load is fastened to the frame whereby tension can be applied to the frame along an axis different from the axis of the probe. The probe passes into the melted hole in the ice only to a position whereby it is still retained by the frame. Therefore the force applied to the frame is transmitted to the probe, and then to the ice. Preferably the frame retains a plurality of such probes which pass into the ice in different directions. The anchor has been found to have an extremely high load bearing capacity.
465584
Ice Concepts Engineering Ltd.
Shapiro Cohen
LandOfFree
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