Cleaning device for internal cleaning of drain or sewer pipes
AssigneeBoldan Oy
InventorSteffen SCHNEIDER
Life of this patent
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Abstract
The invention relates to a cleaning device for internal cleaning of drain or sewer pipes comprising at least one chain comprising several chain links, two end parts, to one of which one end of the chain/chains is/are fastened and to another of which another end of the chain/chains is fastened, which end parts each comprise a central opening, through which a rotatable element extends. At least some of the chain links of at least one chain of the cleaning device have a blade pin with blade parts at each end of the blade pin, the blade pin extends through an internal opening of the chain link and the blade parts are of hard material.
Claims10
A cleaning device for internal cleaning of drain or sewer pipes comprising at least one chain comprising several chain links, two end parts, to one of which one end of the chain/chains is/are fastened and to another of which another end of the chain/chains is fastened, which end parts each comprises a central opening, through which a rotatable element extends, wherein at least some of the chain links of at least one chain of the cleaning device have a blade pin with blade parts at each end of the blade pin, that the blade pin extends through an internal opening of the chain link and that the blade parts are of hard material.
Dependencies are inferred from the claim text.