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Title: Method of collecting dust during rock drilling and a dust collecting suction system for a rock drilling apparatus

Patent ·
OSTI ID:6533803

In a dust collecting suction system for a rock drilling apparatus, the air rushing out of the borehole is collected in a hood and sucked through a coarse dust separator and a filter unit. The coarse dust from the separator is cleaned by an air currrent to remove remaining fine particles and then it is dumped on the ground whereas the finer dust from the filter unit is collected in plastic bags.

Assignee:
Atlas Copco Ab (Sweden)
Patent Number(s):
US 4223748
OSTI ID:
6533803
Resource Relation:
Patent Priority Date: Priority date 8 Dec 1977, Sweden
Country of Publication:
United States
Language:
English