Anti-kink device for hoses, in particular vacuum cleaner hoses

Details Anti-kink device for hoses, in particular vacuum cleaner hoses Anti-kink device for hoses, in particular vacuum cleaner hoses

2011-08-30

2011-08-30

Brinson, Patrick F (Department: 3754)

Pipes and tubular conduits

Combined

With hose protector

C138S109000, C138S121000, C138SDIG010

Reexamination Certificate

active

08006721

ABSTRACT:
An anti-kink device for hoses with an external corrugated structure, in particular for vacuum cleaner hoses, such hoses comprising at least one external groove-like channel which runs in a helical manner. The anti-kink device is formed by a wire coil made from spring steel which is screwed into the groove-like channel from one hose end and is fixed to the hose end. This anti-kink device is applied over the entire hose length or only partially at points of the hose which are at risk of kinking.

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patent: 200 13 601 (2001-03-01), None
patent: 1 356 756 (2003-10-01), None

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