Apparatus and system for fabricating an elastic nonwoven material
US11254062B2 · kind B2 · utility
6Cited by
41References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2019 |
| Grant date | Feb 22, 2022 |
| Priority date | — |
| Expiry date | Feb 4, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/4878
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An apparatus for fabricating an elastic nonwoven material generally includes a rotary ultrasonic horn and a rotary anvil positionable in close proximity to the ultrasonic horn. The anvil has a face with a width and a circumferential axis. The face has a plurality of ridges each of which defines a plurality of interspaced lands and notches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.