Insulated disposable paper-based cups, lids and containers
US11124351B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Sep 24, 2018 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Nov 19, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D43/16
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Various recyclable containers are described herein and generally comprise a frame made of a first paper-based material having a bottom wall and side walls that extend from the bottom wall; and a metallic layer that is removably positioned along an inner surface of the bottom and side walls of the frame; and at least one tab that is attached to a portion of the metallic layer. The at least one tab has a portion that extends past at least one sidewall of the container so that, during recycling, the at least one tab is pulled to remove the metallic layer from the frame. Examples of methods for manufacturing and recycling these containers are also described herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.