Ice aggregate road and method and apparatus for constructing same
CA 1188558 A · Owner: Atlantic Richfield Company · Inventors: Fisher, Edwin N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Inventor: Edwin N. Fisher, ABSTRACT OF THE DISCLOSURE A method and apparatus for constructing an ice aggregate structure, such as a road, at all sub-freezing temperatures likely to be encountered at high latitudes including below, -45°F. Initially, ice is mined crushed and then stripped of, substantially all "fines" i.e. ice particles smaller than, approximately 0.1 inch. The resulting crushed ice aggregate is then distributed and placed to the desired grade without requiring surface work or compaction. The upper thickness of the crushed ice aggregate is then bonded by spraying heated water thereon during single or multiple passes. Apparatus is provided to prevent evaporative cooling of the …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted June 11, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 11, 2002.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.