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:
Jul. 11, 1989
Filed:
Mar. 20, 1987
Applicant:
Inventor:
Robert F Oury, Gilberts, IL (US);
Assignee:
Rotec Industries, Inc., Elmhurst, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28C / ; B65G / ; E02B / ;
U.S. Cl.
CPC ...
366 27 ; 366 37 ; 366 40 ; 366 49 ; 366 59 ; 1988605 ; 1988611 ; 2482951 ; 248296 ; 248357 ; 405107 ;
Abstract
The disclosure describes a method and apparatus for continuous mixing, transporting and placing of large quantities of concrete in which aggregate transported on a belt conveyor is mixed with metered quantities of cement and water adjacent a place of pouring. Alternatively, mixed concrete is transported to a place of pouring protected from the elements on a belt conveyor covered by a tunnel that confines cooled air.