Pipe joints or couplings – For branched path
Reexamination Certificate
2006-03-21
2006-03-21
Bochna, David (Department: 3679)
Pipe joints or couplings
For branched path
C285S130100, C285S325000, C403S255000, C403S292000
Reexamination Certificate
active
07014213
ABSTRACT:
A conduit system for supplying, conducting and distributing fluids, especially air, comprising profiles, which have a longitudinal channel for the fluid and, in at least one outer wall, at least one recess for receiving a fastening element for a connecting element. The fastening element passes through the connecting element and comprises a clamping piece which is inserted into a recess and fixed in the recess by turning.
REFERENCES:
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patent: 4917535 (1990-04-01), Prassas
patent: 5746535 (1998-05-01), Kohler
patent: 5769460 (1998-06-01), Imai
patent: 5806897 (1998-09-01), Nagai et al.
patent: 5938245 (1999-08-01), Guzzoni
patent: 6059322 (2000-05-01), Nagai et al.
patent: 6179349 (2001-01-01), Guzzoni
patent: 6193281 (2001-02-01), Nagai et al.
Bachman & LaPointe P.C.
Bochna David
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