Level actuated apparatus for delivering chemicals
US4064572A · kind A · utility
24Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 1976 |
| Grant date | Dec 27, 1977 |
| Priority date | — |
| Expiry date | May 19, 1996 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03D2009/024
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus for metering a small, measured amount of liquid chemicals, actuated by the effect of a cycling fluid level upon an air pump chamber connected to a chamber containing soluble, solid chemicals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.