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:
Apr. 15, 2008
Filed:
Apr. 25, 2006
Marco Pedrelli, Cesena, IT;
Marco Pedrelli, Cesena, IT;
Soilmec S.p.A., Cesena (FO), IT;
Abstract
Described herein is a bit () for excavation and compaction equipment () for erecting piles, the bit () being provided with a central body (), an excavation screw () fixed to the central body (), and a dislocating element () for compaction of the walls of the excavation, a retention device () that can be selectively re-closed being associated to the central body () for preventing fall of debris beyond a leading edge () of the screw () during extraction of the bit (), and the dislocating element () being mounted on a fixed portion () of the retention device (), and presenting a radial development, which decreases with respect to a rotation of excavation of the excavation screw () for compaction of the walls () of the excavation () during extraction of the bit ().