Apparatus and process for transferring substrate material and particulate material
US10188557B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2011 |
| Grant date | Jan 29, 2019 |
| Priority date | — |
| Expiry date | Nov 30, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1052
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus for transferring, at high speed and in a very effective and accurate and cost effective manner, particulate material from a first moving endless surface with reservoir(s) to a second moving endless surface carrying a substrate material, such as a nonwoven web material, and transferring said combination of substrate material with particulate material to a further apparatus unit; said second moving endless surface is adjacent and in communication with a first and a second vacuum chamber, with different vacuum pressures and/or different size. Also a process is provided, using the described apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.