Soft shell aerosol dispenser unit
US4441632A · kind A · utility
Inventor
Key dates
| Filing date | Dec 3, 1981 |
| Grant date | Apr 10, 1984 |
| Priority date | — |
| Expiry date | Dec 3, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2583/005
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A barrier type aerosol dispenser, wherein a product fluid is separately stored at atmospheric pressure within a primary outer container which is essentially a pliable bottle of almost any desirable shape, including that of a thin wall bag. A motivating gas vessel, containing propellant fluid and including a self-cleaning ejector type valve mechanism, is mounted in the fill opening of the primary container and suspended within the product fluid space thereof. The valve mechanism is adapted to initiate outward flow of propellant to motivate discharge flow of product fluid, and a conduit depending from the valve mechanism is adapted to facilitate separate passage flow of the product fluid through the propellant space of the motivating gas vessel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.