Pipe joints or couplings – Nonmetal to metal – Internal member
Reexamination Certificate
2008-03-25
2008-03-25
Dunwoody, Aaron (Department: 3679)
Pipe joints or couplings
Nonmetal to metal
Internal member
C285S239000, C285S242000
Reexamination Certificate
active
11055451
ABSTRACT:
A hose connection piece is disclosed having a region for the reception of a hose end, wherein a peripheral sealing groove is provided on the outer side of the hose connection piece for the sealing of the hose connection. Also disclosed is a hose coupling having a hose connection piece, having a press-fit holder and having an insert, wherein the insert rests in the press-fit holder, wherein—the assembly case—the insert and the press-fit holder enclose the hose connection piece with the hose end pushed thereon, wherein—in the securing case—the insert holds the hose, wherein the hose connection piece can be moved from the assembly case into the securing case by application of external, radial pressure and wherein the length change of the insert on the transition from the assembly case into the securing case is lower than that of the holder. Further disclosed is a hose fitting having a hose connection piece having a hose coupling.
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Schmitt Frank
Weiland Georg
Wulf Johannes
Dilworth & Barrese LLP
Dunwoody Aaron
Kee Fannie C.
Schieffer GmbH & Co.
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