Methods for making repulpable paper strings and straps through pultrusion process and related devices for the same
US11434608B2 · kind B2 · utility
0Cited by
37References
18Claims
0Family size
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Key dates
| Filing date | Apr 23, 2019 |
| Grant date | Sep 6, 2022 |
| Priority date | — |
| Expiry date | Feb 9, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B27/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method for forming paper straps is provided. The method may include providing a paper strip from a base sheet and directing the paper strip through a first die to form an intermediate string. The method may further include directing the intermediate string from the first die through a second die, the intermediate string exiting the second die in a substantially non-twisted state. Related apparatuses and devices to form paper straps are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.