Nonwoven web comprising thermally fusible fibers and bonding impressions forming a pattern
US11168419B2 · kind B2 · utility
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22Claims
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Key dates
| Filing date | May 2, 2017 |
| Grant date | Nov 9, 2021 |
| Priority date | — |
| Expiry date | May 2, 2037 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD04H3/14
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A nonwoven web comprising heat bondable fibres and comprising bonding impressions that form a pattern repeated in the machine direction (MD), wherein the bonding impressions include: a system of basic bonding impressions, which are arranged to create visually primary patterns and an area of each basic impression is at least 1 mm2, and a system of auxiliary bonding impressions having the area smaller than 1 mm2, and wherein a sum of bonding areas of the individual auxiliary bonding impressions accounts for at least 30% of a total bonding area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.