Metered aerosol valve for use in inverted position
US4413755A · kind A · utility
41Cited by
5References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 30, 1982 |
| Grant date | Nov 8, 1983 |
| Priority date | — |
| Expiry date | Mar 30, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D83/52
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Part (14) of stem (4) which extends through opening (31) of lower basket (12) is provided with ribs (17) for having an easier passage of material, either during initial filling or during normal use. The lower part of valve body (1) is provided with openings (19), the number of which is different from the number of ribs (17).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.