Spray bottle apparatus with pressure multiplying pistons

Details Spray bottle apparatus with pressure multiplying pistons Spray bottle apparatus with pressure multiplying pistons

1989-01-23

1990-11-27

Kashnikow, Andres

Dispensing

Resilient wall

Supply container delivering to receiving chamber

222211, 222249, 222378, 222409, 239327, 239369, B65D 3700

Patent

active

049729772

ABSTRACT:
The present invention comprises a spray bottle in which the pressure resulting from the gripping force applied by the user is amplified and this increased pressure used in generating a spray such as an aerosol or fluid stream. In its preferred embodiment, the invention includes a high pressure chamber and a corresponding piston which is operative for driving fluid out of this chamber at high pressure through a spray nozzle and a low pressure chamber and a corresponding piston which is acted upon the hydraulic pressure within the bottle resulting from the gripping force. The low pressure chamber and piston are of larger size than the high pressure chamber and piston. The pistons are rigidly connected so that the force created by the pressure acting on the piston in the low pressure chamber is transmitted to the piston in the high pressure chamber where it is applied over a more limited area thereby generating greater hydraulic pressure for use in forming the spray.

REFERENCES:
patent: 3255933 (1966-06-01), Martin
patent: 4603794 (1986-08-01), DeFord et al.

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