Apparatus and method for forming an absorbent pad
US11191674B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2018 |
| Grant date | Dec 7, 2021 |
| Priority date | — |
| Expiry date | Jun 7, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2535/00
- 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 joining the first and second webs, a step of removing any absorbent material that may be present in the channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.