Liquid purification or separation – Structural installation – Closed circulating system
Patent
1979-02-02
1981-05-19
Cuchlinski, Jr., William A.
Liquid purification or separation
Structural installation
Closed circulating system
2103232, 2104162, E04H 320, B01D 3502
Patent
active
042683866
ABSTRACT:
According to the invention there is provided, in a swimming pool a ladder, having hollow stiles and a skimmer box connected to one of the stiles and a filter unit preferably connected between the skimmer box and the said one stile. The skimmer box and filter unit are located on the ladder so that they are between the stiles and lie between the rungs and the wall of the pool when the ladder is in use.
REFERENCES:
patent: 3036712 (1962-05-01), Barbara
patent: 3090489 (1963-05-01), Smith
patent: 3864262 (1975-02-01), Lang et al.
patent: 4022690 (1977-05-01), Smith
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