Fluid sprinkling – spraying – and diffusing – Rigid fluid confining distributor – Orifice in separable disc or plate
Patent
1995-12-21
1998-02-03
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Rigid fluid confining distributor
Orifice in separable disc or plate
169 37, B05B 100
Patent
active
057135240
ABSTRACT:
An improved fire protection system which incorporates delivery conduits having an inner liner, preferably formed of plastic. Attachment of the nozzle assemblies to the conduit is made at the flanged end of a piping segment and, preferably, at the connection points between two piping segments. The connection is formed so that water is communicated from within the conduits to the sprinkler head while avoiding contact with metal surfaces of the conduits. A spacer assembly is provided which is placed between the ends of two flanged piping segments. The spacer assembly includes an inner plastic disk and outer annular fire protection ring. A lateral port is disposed through both the ring and disk and preferably threaded for the attachment of a nozzle or other dispensing means. The spacer assembly forms a metal to metal seal with both piping segments for fire protection. Either lateral edge of the fire protection ring may be crimped or crushed slightly to aid in forming this seal.
REFERENCES:
patent: 4281859 (1981-08-01), Davies
patent: 4643457 (1987-02-01), Press
patent: 4791993 (1988-12-01), Curran
patent: 5152323 (1992-10-01), Shotts et al.
patent: 5277455 (1994-01-01), Graves et al.
patent: 5326468 (1994-07-01), Cox
Greene Wallace
Schulte-Ladbeck Bernd
Ganey Steven J.
Kashnikow Andres
Performance Plastics Products, Inc.
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