Apparatus for reproducing the asphalt road surface
CA 1300417 C · Owner: Igarashi, Kenichi · Inventors: Igarashi, Kenichi; Chiba, Tatsuhiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for reproducing the deteriorated asphalt road surface consists of a road surface heating vehicle and a road surface reproducing vehicle. The former provides a fuel supply system including a fan adapted to blow air to a fuel tank to accelerate vaporization of fuel when fuel pressure droped to the predetermined pressure. The latter provides a rotor room wherein a plurality of rotors whose rotational direction are opposite to that of adjacent one are provided and are adapted to move vertically to adjust biting depth and to be heated such that blocks of the asphalt materials rolled up by the rotor can be heated when they contact with an arcuately shaped heating room located …
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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 May 12, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.