Bottles and jars – Closures – Having warning means or means impeding closure removal
Patent
1986-09-05
1987-11-10
Marcus, Stephen
Bottles and jars
Closures
Having warning means or means impeding closure removal
215213, 215218, 215 31, 222153, B65D 5502
Patent
active
047051817
ABSTRACT:
A child-resistant safety cap for a container for liquids such as strong cleaners has an inner cap and an outer cap selectively engagable by teeth on the caps requiring axial pressure on the outer cap to engage and threadably loosen the inner cap from a neck of the container. The inner cap includes a protruding plug member that extends into a free end of a nozzle on the container, spaced from the threaded part of the container neck. Cylindrical inner surfaces of the outer cap conform to outer surfaces of the inner cap, the inner and outer caps remaining closely aligned with respect to the container neck. Complementary structure between the inner cap and the nozzle engage when the inner cap is fully tightened. The safety cap closes a container having an S-shaped bend accumulating a charge of liquid in a trap in the bend, the nozzle having a rearward conduit part reaching into the trap. The inner and outer caps engage by engagement teeth on one of the caps that engage perpendicular stops in the facing cap, the teeth having a surface sloped with respect to a radial plane in a cap-loosening direction, and a perpendicular abutment in a cap-tightening direction. Preferably, the sloping plane is oriented at about 50 degrees to the radial plane.
REFERENCES:
patent: 3549053 (1970-12-01), Anderson
patent: 3623623 (1971-11-01), Bauer
patent: 3731849 (1973-05-01), Burrows
patent: 3878961 (1975-04-01), Curry et al.
patent: 4220247 (1980-09-01), Kramer
patent: 4257561 (1981-03-01), McKinney
patent: 4334638 (1982-06-01), Stock
patent: 4609114 (1986-09-01), Roy
Burke Peter A.
Duering Walter
Gut Martin
Kiwi Brands Inc.
Marcus Stephen
Stucker Nova
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