Chemical apparatus and process disinfecting – deodorizing – preser – Physical type apparatus – Means separating or dissolving a material constituent
Patent
1987-10-05
1989-05-09
Richman, Barry S.
Chemical apparatus and process disinfecting, deodorizing, preser
Physical type apparatus
Means separating or dissolving a material constituent
4222, 137268, 206214, 206217, 206332, 239 59, 239310, 239315, 422265, 422278, 422279, B01D 1200
Patent
active
048288055
ABSTRACT:
A childproof cap for use with a floating chlorine feeder in a swimming pool is disclosed has a two stage process required for removal of the cap onto the feeder. The cap and the top of the feeder have cooperating circumferential series of alternating wide and narrow beads located thereon, with the cap being locked tightly on the feeder when the wide beads on the cap are aligned in a first interference fit with the wide beads on the feeder in a first childproof mechanism. After turning the cap ninety degrees, the cap may be removed by overcoming a second interference fit requiring a minimum force to pull the cap of the feeder, the second interference fit being the second childproof mechanism.
REFERENCES:
patent: 1517926 (1924-12-01), Weckesser
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patent: 4702270 (1987-10-01), King, Sr.
Aquality, Inc.
McMahon Timothy M.
Posta Jr. John J.
Richman Barry S.
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