Back to results
US 4,047,645 AGranted
Aerosol device with telescoping container parts
OwnerJoseph L. Caliendoinventor
Life of this patent
Estimating the term…
Abstract
An airtight container has fluid material therein under pressure. The pressure on the fluid material in the container is manually increased. A spray valve in the container sprays the fluid material out of the container under manual control.
Claims7
An aerosol device, comprising
- airtight container means;
- an airtight flexible membrane in the container means containing fluid material under pressure and compressed gas gastightly separated from the fluid material;
- pressure means for manually increasing the pressure on the fluid material in the container means, the container means and pressure means comprising a pair of containers constituting an upper container and a lower container telescopically slidably mounted one within another, the upper container being mounted in the lower container, the lower container having a larger diameter for movement in axial directions, wherein dispensing pressure is maintained by gradually telescoping the upper and lower containers towards each other;
- and
- spray valve means in the container means for spraying the fluid material out of the container means under manual control.
2 more elements
Dependencies are inferred from the claim text.