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:
Jun. 25, 2024
Filed:
Aug. 01, 2021
Applicant:
Bahman Niroumand, Boushehr, IR;
Inventor:
Bahman Niroumand, Boushehr, IR;
Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02D 3/054 (2006.01); B25D 1/02 (2006.01);
U.S. Cl.
CPC ...
E02D 3/054 (2013.01); B25D 1/02 (2013.01); B25D 2250/025 (2013.01);
Abstract
A mandrel for forming a cavity at a target location. The mandrel includes a base part positioned at a top end of the mandrel, a first middle part, a second middle part, a third middle part, a first plurality of diamond-shaped crushing blades, a second plurality of diamond-shaped crushing blades, and a bore head positioned at a bottom end of the mandrel. The first plurality of diamond-shaped crushing blades are attached around the first middle part and the second middle part. The second plurality of diamond-shaped crushing blades are attached around the third middle part and the bore head.