Pipes and tubular conduits – With closures and plugs – Laterally insertable
Patent
1995-06-22
1996-12-10
Brinson, Patrick
Pipes and tubular conduits
With closures and plugs
Laterally insertable
138 94, 138 42, F16L 5510
Patent
active
055822118
ABSTRACT:
The present invention relates to a device which simplifies the isolation and purging procedures in a pipeline when the vessel requires entry for hot work. The invention provides a single component purging blind with a body and purging channels which provide for simple and effective installation and removal from a pipeline with improved safety to personnel.
REFERENCES:
patent: 2462731 (1949-02-01), Duggan
patent: 2614423 (1952-10-01), Carbone
patent: 2709455 (1955-05-01), Greenwood
patent: 4343332 (1982-08-01), Williams, 3rd et al.
patent: 4712585 (1987-12-01), Evans
patent: 5201344 (1993-04-01), Lacouture
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