Automatic spray can

Details Automatic spray can Automatic spray can

1989-04-11

1990-11-27

Skaggs, H. Grant

Dispensing

With casing or support

Enclosing cover for actuating parts of discharging means

222190, 222394, 222401, 222333, 239373, 239351, 239355, B67D 506

Patent

active

049729756

ABSTRACT:
An automatic spray can for spraying liquids is described, comprising a hong (1), in which an energy store (2), an electric motor (3) and a pump (6) for producing compressed air with a suction joint (7) and a pressure joint (8) are located, a product container (9) in engagement with the housing (1), with a spray head (14) including a spray nozzle (15) arranged at its top aperture (18), and an air feed pipe (13) between the pressure joint (8) of the pump (6) and the interior of the product container (9).
To make such a spray can smaller and lighter, and to enable a constant flow of spray jet with a uniform particle size to be produced with convenient operation, it is proposed according to the invention that the product container (9) be arranged as an extension of the housing (1), and the pump (6) be in the form of a vane type rotary pump, arranged at the upper end of the housing (1), with the air feed pipe (13) preferably extending over the whole length of the container.

REFERENCES:
patent: 1875729 (1932-09-01), Herman
patent: 3406017 (1968-10-01), Carning

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