Borehole cleaning device
AssigneeHilti Aktiengesellschaft
InventorJosef Glogger
Life of this patent
Estimating the term…
Abstract
A borehole cleaning device, includes a tubular shaft (12; 42), a hollow space (14) of which opens into the front opening (16; 46), a region (13; 43) adjoining the front opening and provided with a plurality of brush members (21; 51) extending radially outwardly, a suction opening (18; 48) provided in an end region of the shaft (12; 42) opposite the region (13; 43) adjoining the front opening (16; 46), and a region (19; 49) adjacent to the suction opening (18; 48) and extending at an angle to the region (13; 43) of the shaft (12; 42) adjoining the front opening (16; 46) for forming a handle (26; 56).
Claims7
A borehole cleaning device, comprising a tubular shaft (12;
- 42) having a front opening (16;
- 46) with a shaft hollow space (14) opening into the front opening (16;
- 46), a region (13;
- 43) adjoining the front opening, a suction opening (18;
- 48) provided in an end region of the shaft (12;
- 42) opposite the region (13;
- 43) adjoining the front opening (16;
- 46), and a region (19;
- 49) adjacent to the suction opening (18;
- 48) and extending at an angle to the region (13;
- 43) of the shaft (12;
- 42) adjoining the front opening (16;
- 46) for forming a handle (26;
- 56);
- and a plurality of brush members (21;
- 51) provided on the region (13;
- 43) of the shaft (12;
- 42) adjoining the front opening (16;
- 46) and extending radially outwardly.
A method of cleaning a borehole, comprising the steps of:
- providing a borehole cleaning device including a tubular shaft (12;
- 42) having a front opening (16;
- 46) with a shaft hollow space (14) opening into the front opening (16;
- 46), a region (13;
- 43) adjoining the front opening, a suction opening (18;
- 48) provided in an end region of the shaft (12;
- 42) opposite the region (13;
- 43) adjoining the front opening (16;
- 46), and a region (19;
- 49) adjacent to the suction opening (18;
- 48) and extending at an angle to the region (13;
- 43) of the shaft (12;
- 42) adjoining the front opening (16;
- 46) for forming a handle (26;
- 56), a plurality of brush members (21;
- 51) provided on the region (13;
- 43) of the shaft (12;
- 42) adjoining the front opening and extending radially outwardly, and a suction head (31) having a through-opening for the shaft (12;
- 42) and a connection element (34) for a vacuum source;
- connecting the vacuum source with the connection element (34) of the suction head (31);
- positioning the suction head (31) over the borehole (7);
- actuating the vacuum source;
- and
- manually reciprocating the shaft (12;
- 42) which has been introduced into the borehole (7), whereby the brush members (21;
- 51) brush off a wall of the borehole (7), and drilling dust, which is produced during a brush-off process, is aspirated by the suction head (31) and through the connection element thereof, and an environmental air is aspirated into the borehole (7) through the suction opening (18;
- 48).
Dependencies are inferred from the claim text.