Anti-kink device for hoses, in particular vacuum cleaner hoses
AssigneeTruplast Kunststofftechnik GmbH
InventorsGeorg Peter Linhart, Christian Norbert Linhart
Life of this patent
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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.
Claims10
An anti-kink device for a hose such as a vacuum cleaner hose, the hose having two ends and being wound from a plastic profiled strip to form at least one external groove-like channel which runs in a helical manner, said anti-kink device comprising a wire coil made from spring steel which is screwed into the groove-like channel from one end of the hose, and wherein the wire coil is fixed to one end of the hose and wherein the wire coil has an axially outer end and wherein the axially outer end of the wire coil and one end of the hose are fixed within a sleeve which is pushed onto the hose.
An anti-kink device for a hose of a vacuum cleaner, the hose having two ends and being wound from a plastic profiled strip to form at least one external groove-like channel which runs in a helical manner, said anti-kink device comprising a wire coil made from spring steel which is screwed into the groove-like channel from one end of the hose, and wherein the wire coil is fixed to one end of the hose;
- and wherein the wire coil has an axially outer end and wherein the axially outer end of the wire coil and one end of the hose are fixed in a sleeve which is screwed onto the hose.
An anti-kink device for a hose of a vacuum cleaner, the hose having two ends and being wound from a plastic profiled strip to form at least one external groove-like channel which runs in a helical manner, said anti-kink device comprising a wire coil made from spring steel which is screwed into the groove-like channel from one end of the hose, and wherein the wire coil is fixed to one end of the hose;
- and wherein the wire coil has an axially outer end and wherein the axially outer end of the wire coil is fixed to the hose by a sleeve injection-molded circumferentially around the hose.
Dependencies are inferred from the claim text.