Mould base provided with decompression channels opening on to a peripheral upper face
US10556375B2 · kind B2 · utility
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16Claims
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Assignee
Inventors
Key dates
| Filing date | Sep 21, 2017 |
| Grant date | Feb 11, 2020 |
| Priority date | — |
| Expiry date | Sep 21, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7158
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Mold base including a base wall and a peripheral side wall which is connected to the base wall by a fillet, this mould base ending with a peripheral upper edge and including ribs forming cavities for grooves for strengthening the base of a container to be formed and which each straddle the fillet, this mould base also including decompression vents hollowed out of the moulding face and which include, for each rib, at least one pair of shallow side channels which extend on either side of the rib and open, at an upper end, on to the peripheral upper edge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.