Mold for making canister lid
US10865017B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2020 |
| Grant date | Dec 15, 2020 |
| Priority date | — |
| Expiry date | Jan 27, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2401/15
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A mold for forming a lid having a cap connected to the lid by a tether. The mold has mold features for forming a lid body having a peripheral edge, a cap, a tether connecting the cap to the lid body, and a tear zone. The mold feature for forming the tear zone includes an elongate ridge located between the mold feature for the tether and the mold feature for the lid body for providing a reduced thickness flow path proximate the ridge that connects between the mold feature for forming the lid body and the tether.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.