Importance

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Abstract

A suctioning cover for a core drill bit of a core drilling device is attachable to a rear side of the core drill bit in order that material for suctioning can be suctioned out of an interior of the core drill bit. The suctioning cover has a valve for setting a pressure in the interior of the core drill bit. The pressure regulating valve allows automatic setting of the pressure in the interior of the core drill bit, such that work can be performed using the core drill bit in an optimum pressure range. Material for suctioning can thus be suctioned out of the interior of the core drill bit particularly effectively. The suctioning cover can be used in particular when performing dry drilling using the core drill bit. A method of operating the suctioning cover, wherein the valve for setting the pressure can be used to set a pressure in the interior of the core drill bit or in a cavity of the suctioning cover.

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First Claim