Baths – closets – sinks – and spittoons – Pool type – Construction details
Patent
1998-02-28
1999-11-09
Walczak, David J.
Baths, closets, sinks, and spittoons
Pool type
Construction details
4496, E04H 400
Patent
active
059789786
ABSTRACT:
An open water circulation system receptacle in a swimming pool is blocked with a cylindrical plug to prevent entry of unwanted detritus during pool construction and circulation system testing. The cylindrical plug is provided with removable longitudinal interior portions to permit fitting of piping into the receptacle for test connections, with the cylindrical plug in place.
REFERENCES:
patent: 2886067 (1959-05-01), Maxwell et al.
patent: 3194466 (1965-07-01), Davis
patent: 5224516 (1993-07-01), McGovern et al.
patent: 5864897 (1999-02-01), Ross
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