Pulp container with fused junction and method of making same
US12214927B2 · kind B2 · utility
0Cited by
13References
15Claims
0Family size
Inventors
Key dates
| Filing date | Nov 21, 2023 |
| Grant date | Feb 4, 2025 |
| Priority date | — |
| Expiry date | Nov 21, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2543/00537
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Molded pulp containers with fused junctions and methods of making of same are provided. The present invention provides a pulp container, comprising a molded pulp body, wherein the body comprising a bottom and at least one side wall forming a cavity, wherein the at least one side wall comprising a upper rim, a neck, wherein the neck comprising a upper closure part and a lower rim, a fused junction, wherein a part of the upper rim of the at least one sidewall of the body and a part of the lower rim of the neck are aligned and fused together. The fused junction may be formed by ultrasonic welding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.