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:
Nov. 19, 2002
Filed:
Jun. 04, 2001
Applicant:
Inventors:
Josef Theurer, Vienna, AT;
Herbert Wörgötter, Gallneukirchen, AT;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01B 2/700 ;
U.S. Cl.
CPC ...
E01B 2/700 ;
Abstract
In a first operating stage during which ballast is delivered to a track section delimited by two undercarriages while it is lifted, the length of the track section is extended, and the track section is shortened in a second operating stage during which the ballast is tamped until a desired track level has been obtained.