Multi-layered bulk product filling material
US9707731B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 28, 2012 |
| Grant date | Jul 18, 2017 |
| Priority date | — |
| Expiry date | Sep 22, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249921
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A filling product comprising a plurality of narrow, elongated strip segments is provided. Each strip segment has a plurality of transverse folds and substantially planar portions between adjacent folds. At least some of the strip segments comprise at least two layers of material, including a first layer comprising a first material and a second layer comprising a second material, wherein the second material is different in composition from the first material. Corresponding methods of producing such filling products are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.