Pipe joints or couplings – Flange – Detachable
Reexamination Certificate
2007-07-11
2009-12-01
Bochna, David E (Department: 3679)
Pipe joints or couplings
Flange
Detachable
C285S411000, C285S368000, C029S237000
Reexamination Certificate
active
07625017
ABSTRACT:
A coupling having two or more mating components with alignment of the mating components provided by mating projections and recesses. The components include extensions having bolt hole that align to form a bolt pathway when the components are properly aligned, and that do not align to form a bolt pathway through the extensions when the components are improperly aligned.
REFERENCES:
patent: 863887 (1907-08-01), Stuttle
patent: 4611839 (1986-09-01), Rung et al.
patent: 4639020 (1987-01-01), Rung et al.
patent: 4896902 (1990-01-01), Weston
patent: 5018548 (1991-05-01), McLennan
patent: 5246257 (1993-09-01), Kojima et al.
patent: 5758907 (1998-06-01), Dole et al.
patent: 6139069 (2000-10-01), Radzik
patent: 6626466 (2003-09-01), Dole
patent: 7090259 (2006-08-01), Dole
Figure 7012 Gruvlok Flange, Gruvlok Data Sheet 5, Anvil International, Inc., Portsmouth, NH (5 pages).
Vic-Flange Adapters, Styles 741 and 743, Victaulic Company, Easton, PA (8 pages).
Field Installation Handbook for IPS and Metric Carbon Steel Stainless Steel and Aluminum Products, Flange Adapters for Grooved-End Pipe, pp. 113-118, Victaulic, Easton, Pa.
Figure 7401 Rigidlok Coupling, Gruvlok Data Sheet 15, Anvil International, Inc., Portsmouth, NH (4 pages).
Style HP-70, Style 89, Style 489, Standard Couplings for Grooved-End Pipe Installation Instructions (2 pages—.
Bochna David E
Perkins Coie LLP
Tyco Fire Products LP
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