Regulated dispensing system
US5685456A · kind A · utility
33Cited by
7References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 24, 1995 |
| Grant date | Nov 11, 1997 |
| Priority date | — |
| Expiry date | May 24, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B9/0838
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A coil spring made of a shape memory alloy is seated within the container a portable dispenser in a contracted condition under compressive stress maintained by the physical constraint of a pressure plate engaging a collapsible enclosure internally lining the dispenser container to isolate therein material to be dispensed. The pseudoelastic properties of the shape memory alloy are selected to exclusively regulate the storage and delivery pressures in order to accommodate different materials to be dispensed and control discharge thereof by the dispenser.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.