AUGER AND SOIL IMPROVING APPARATUS

PROBLEM TO BE SOLVED: To prevent an auger from causing rotation of earth and sand when rotating in earth. SOLUTION: This auger 12 has a rod 16 and a helical blade 18 therearound, the helical blade having a plurality of holes 30 or cutouts provided at intervals to one another in the direction of exte...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: HAMADA NAOHITO
Format: Patent
Sprache:eng
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!