Bayonet coupling between a spray pump and a bottle of a substanc

Dispensing – With lock or fastening seal – Inhibiting operation of flow controller or closure

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2223831, B67D 540

Patent

active

061388734

ABSTRACT:
A bayonet coupling between a spray pump and a bottle of a substance to be sprayed provides a better quality fitting between the pump and the bottle and in particular a uniformity of the relative angular position between pump and bottle. The coupling includes at least one tooth projecting from the pump, and a tooth catch projecting from the bottle, a sloping wall formed in the tooth catch over which the tooth can be snap-engaged at the time the pump is fitted axially onto the bottle, as well as, formed in the bottle, a funnel-like passage through which the tooth is to pass as the pump is fitted axially onto the bottle, so as to orient the pump angularly with respect to the bottle.

REFERENCES:
patent: 4345691 (1982-08-01), Burke
patent: 5257724 (1993-11-01), Steijns
patent: 5725132 (1998-03-01), Foster et al.
patent: 5806724 (1998-09-01), Foster
patent: 5810209 (1998-09-01), Foster

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