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Process for Forminga Three-dimiensional Non-woven Structure Background of the Invention
| Content Provider | Semantic Scholar |
|---|---|
| Copyright Year | 2017 |
| Abstract | (21) Appl. No.: 14/205,816 A process is disclosed for forming a three-dimensional struc (22) Filed: Mar 12, 2014 ture from a nonwoven web. The web is made of synthetic Related U.S. Application Data polymer filaments. The process comprises Subjecting the web to a molding force at a temperature between the glass transi (60) Provisional application No. 61/778,860, filed on Mar. tion temperature and the melting temperature of the polymer. 13, 2013. The nonwoven web is constructed so as to allow ample elon Publication Classification gation of the constituent filaments. The web is preferentially bonded in selected areas. The filaments are only partially (51) Int. Cl. drawn during the spinning process, so as to preserve elonga A473/06 (2006.01) tion potential. The three-dimensional structures made by the B29C5L/00 (2006.01) process can be shaped filters, for example for use in beverage D04H I3/00 (2006.01) capsules. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://patentimages.storage.googleapis.com/22/18/8f/ba07127e58b662/US20140263033A1.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Patent |
