Apparatus for producing fibrous structures electrostatically
US4842505A · kind A · utility
72Cited by
12References
2Claims
0Family size
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Key dates
| Filing date | Mar 20, 1987 |
| Grant date | Jun 27, 1989 |
| Priority date | — |
| Expiry date | Mar 20, 2007 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD04H3/16
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Apparatus for producing a fibrous structure including electrostatically charged mandrels arranged around a delivery assembly for fiberizable material. The delivery assembly includes capillary needles to which fiberizable material is supplied from a reservoir, the needles being arranged on manifolds moved continuously around a loop path on a rail.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.