Pulp container with fused junction and method of making same
US11840369B2 · kind B2 · utility
1Cited by
12References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2020 |
| Grant date | Dec 12, 2023 |
| Priority date | — |
| Expiry date | Jul 2, 2040 |
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 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.