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Patent Searching and Data


Title:
コア穿孔デバイス用の吸引デバイス
Document Type and Number:
Japanese Patent JP7130860
Kind Code:
B2
Abstract:
A description is given of an extraction device (1) for a core drill, including a housing (4) which has at least one cavity (7), a cover (2) and a wall (3) connected to the cover (2) around the periphery. An extraction nozzle (5) connected to the housing (4) is provided, designed for attaching the extraction device (1) to a suction device. The wall (3) has at least one inlet opening (44, 45), by way of which the cavity (7) is connected to the surroundings (U). A sealing device (50, 51), which can be moved between an inoperative position, lying substantially against the wall (3) of the housing (4), and an operative position, pivoted with respect to the inoperative position about a pivot axis (57, 58), is connected to the housing (4) on a side of the wall (3) that is facing away from the cavity (7).

Inventors:
Holzmeyer, Georg
Application Number:
JP2021517007A
Publication Date:
September 05, 2022
Filing Date:
September 23, 2019
Export Citation:
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Assignee:
Hilti Actien Gezel Shaft
International Classes:
B28D7/02; B28D1/14
Domestic Patent References:
JP2009241234A
Foreign References:
DE4423670A1
DE19543599A1
Attorney, Agent or Firm:
Patent Corporation Nagato & Partners