The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 15, 1976
Filed:
Sep. 25, 1974
Jackson S Boyer, Wilmington, DE (US);
Sun Oil Company of Pennsylvania, Philadelphia, PA (US);
Abstract
A method for transporting tar sands in an open pit mine utilizing novel flexible belt conveyors between a receiving area and a discharge area which comprises providing a conveyor belt having an upper surface layer of a novel elastomeric material which is flexible at low temperatures and is substantially resistant to excess swelling when exposed to petroleum liquids containing up to 30 volume percent aromatics at temperatures in the range of -60.degree.F to +100.degree.F, applying a thin layer of said petroleum liquid to the surface of said belt and thereafter transferring tar sands on said belt from a receiving area to a discharge area.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile