Apparatus and method for forming an absorbent pad
US11957550B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2018 |
| Grant date | Apr 16, 2024 |
| Priority date | — |
| Expiry date | Mar 23, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/5323
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method for forming an absorbent pad including a first layer, a second layer and an absorbent material interposed between the first and the second layer and arranged according to a spreading pattern M1 having at least one channel which is free of absorbent material, includes a step of feeding a first web, intended to form the first layer of the pad; a step of feeding a second web, intended to form the second layer of the pad; a step of spreading the absorbent material on the first web according to the spreading pattern M1; a step of spreading an adhesive on the first web according to a gluing pattern; a step of welding the first web and the second web according to a welding pattern M3 including at least one welding zone at the channel on the pad.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.