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:
Aug. 02, 1983
Filed:
Jul. 18, 1980
Dennis C McCarry, Gilroy, CA (US);
Guy F. Atkinson Company, South San Francisco, CA (US);
Abstract
A method for providing a flooring in a tunnel using a moving floor is disclosed herein. This method includes providing the moving floor with a flat, horizontally extending support surface extending rearwardly therefrom at floor level and movable therewith, advancing the moving floor and support surface, and placing precast concrete floor slabs to extend across the tunnel on the excavated tunnel invert exposed by the moving floor whereby to provide flooring along the length of the tunnel, each of the slabs being initially placed, one at a time, onto the support surface and adjacent the previous slab while remaining on the surface, and thereafter from the surface onto the tunnel invert as the moving floor and support surface are advanced.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile