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.

Date of Patent:
Oct. 30, 1979

Filed:

Jul. 05, 1978
Applicant:
Inventor:

Reinhard Wirtgen, 5461 Windhagen,Linz, DE;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01C / ;
U.S. Cl.
CPC ...
404 90 ; 404 95 ; 299 39 ; 37 13 ; 37 4 / ;
Abstract

The invention relates to a method for renewing road surfaces where in the course of one single operational step the road surface is milled away, heated and coated with new material and wherein according to a special embodiment of the invention the milling away or cutting away is performed to an amount not reaching the depth of the damages, at least part of the cut away material is distributed in the remaining recesses and is compressed, and subsequently the road surface is subjected to a heating and a subsequent aeration and is then uniformly coated with new material; and it relates also to a machine for performing the method, wherein, behind said cutting or milling device, a distribution device for distributing the milled off material in the remaining recesses of the road surface, a compression device for compressing the milled off material within the recesses, a heating device and optionally a scraper device provided for the aeration of the road surface, which are followed by a spreader device for applying the new coating to the road surface.


Find Patent Forward Citations

Wirtgen, Reinhard. (1979). Device for renewing road surfaces (U.S. Patent No. 4172679). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4172679

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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