Resin delivery apparatus and method with plural air flow limiters
US9937651B2 · kind B2 · utility
6Cited by
181References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 2016 |
| Grant date | Apr 10, 2018 |
| Priority date | — |
| Expiry date | Mar 10, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2105/251
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Apparatus has a vacuum pump for conveying granular plastic resin material from a supply to receivers retaining and dispensing the resin when needed by a process machine with a flow limiter connected to the suction head of the vacuum pump, and a second flow limiter controlling and limiting to a maximum value vacuum flow through a conduit carrying auxiliary additives to the receivers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.