Apparatus and method for forming absorbent cores
US10828204B2 · kind B2 · utility
1Cited by
11References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 7, 2012 |
| Grant date | Nov 10, 2020 |
| Priority date | — |
| Expiry date | Sep 7, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F13/15764
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Several variations of core formation techniques and machines to produced cores are disclosed, including a large and small discrete core, formed on a screen and combined; a large and small continuous core, formed on a web; and two and three-dimensional cores, formed on a screen, and core formation on a non-woven web.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.