Title:
DUST PROTECTOR
Document Type and Number:
Japanese Patent JP2019007318
Kind Code:
A
Abstract:
To provide an apparatus which protects a human body from dispersion of chips and powder dust generated during ground drilling operation using a rock drill.SOLUTION: The present invention relates to a protective apparatus capable of executing operation without dispersing chips and powder dust directly to a human body by attaching the protective apparatus (protector) to a rock drill.SELECTED DRAWING: Figure 1
Inventors:
SUZUKI YUKI
Application Number:
JP2017134152A
Publication Date:
January 17, 2019
Filing Date:
June 21, 2017
Export Citation:
Assignee:
SUZUKI YUKI
International Classes:
E21B21/01; E21C35/22