Plug connection between a corrugated hose and an unprofiled pipe

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7290804
APP PUB NO 20040178633A1
SERIAL NO

10387785

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Plug connection between a corrugated hose and an unprofiled pipe. A plug connection is provided between a corrugated hose (1) and an unprofiled pipe (31), a holding element (3, 34, 50) that surrounds the unprofiled pipe (31) being connected at least indirectly with the hose end (4), and the end (31) of the unprofiled pipe being surrounded by a sealing ring (16, 17, 30) that is situated before the holding element (3, 34, 50). The sealing ring is connected at least indirectly with the hose (1) so as to form a seal. It is provided that the holding element (3, 34, 50) is situated in the hose end (4) and is held thereby, at least indirectly, by mutual positively locking engagement in the axial direction, and that on the other side of the seal (17, 18, 30) a guide sleeve (18, 25) having an inner diameter that corresponds to the outer diameter of the unprofiled pipe (31) is situated before the holding element (3, 34, 50). The sleeve is held radially by the hose (1) practically play-free, and at least indirectly, by mutual positively locking engagement in the axial direction.

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Patent Owner(s)

Patent OwnerAddress
WITZENMANN GMBHOESTLICHE KARL-FRIEDRICH-STRASSE 134 PFORZHEIM 75175

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Foitzik, Peter Schellbronn, DE 1 2
Gehring, Matthias Straubenhardt, DE 2 6

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