Apparatus and method for forming an absorbent pad
US11931228B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 17, 2019 |
| Grant date | Mar 19, 2024 |
| Priority date | — |
| Expiry date | Apr 6, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2801/57
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus for forming an absorbent pad for an absorbent sanitary article having a zone free of absorbent material to define a channel of the pad includes a forming drum, a first feed system for feeding a first web, a second feed system for feeding a second web, a spreader for spreading the absorbent material on the drum; a joining system for joining the first and second webs to define the channels. A first dispenser forms on the first web a layer of first adhesive substance according to a spreading pattern having zones free of the first adhesive substance corresponding to the channels. A second dispenser dispenses a second adhesive substance, whose adhesive force is greater than an adhesive force of the first adhesive substance, on the second web according to a pattern having a layer placed at a zone free of the first adhesive substance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.