Polymer panels and methods of making the same
US7992361B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2006 |
| Grant date | Aug 9, 2011 |
| Priority date | — |
| Expiry date | Feb 8, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB33Y80/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed herein are multiwall panels comprising micro-scale surface features and methods of making the same. In one embodiment, a multiwall panel is disclosed. The multiwall panel comprises, a top sheet, a bottom sheet, a rib disposed between and connected to the top sheet and the bottom sheet, and a micro-scale surface feature disposed on a surface of the multiwall panel, wherein the micro-scale surface feature comprises a width measured at a base of the surface feature, wherein the width is about 30 micrometers to about 3 millimeters. In another embodiment, a process of forming multiwall panels is disclosed. In yet another embodiment, a naturally lit structure is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.