Machine and method for making absorbent sanitary articles
US10610419B2 · kind B2 · utility
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2References
9Claims
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Assignee
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Key dates
| Filing date | Apr 8, 2014 |
| Grant date | Apr 7, 2020 |
| Priority date | — |
| Expiry date | Jun 11, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N22/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A machine for making absorbent sanitary articles which includes an absorbent pad in turn including one or more absorbent materials; the machine includes a line for feeding at least one continuous web of impermeable material and at least one unit for forming and applying a succession of absorbent pads along the continuous web of impermeable material and a device for detecting at least one between the weight, density profile (or weight profile) parameters of at least one of the absorbent materials defining the absorbent pad; the detecting device including at least one microwave resonator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.