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:
Sep. 07, 1999
Filed:
Jun. 19, 1997
Dirk Heims, Bad Munder, DE;
ABG Allgemeine Baumaschinen-Gesellschaft mbH, Hameln, DE;
Abstract
A method of compacting asphalt material having a mix of coarse and fine grains includes providing a paver which has, as compaction assemblies, two strip-shaped tampers which are arranged one directly behind the other in the direction of travel, each tamper being provided with a metering slope and each tamper being provided with a tamping surface thereon, each tamper being vertically reciprocated between an upper and lower terminal position, so as to cause the front tamper lower position to correspond substantially to the rear tamper upper position, whereby coarser grains in the asphalt mix are embedded and undergo minimal longitudinal displacement, as the paver moves.