Cartridge, core, mold and method of manufacturing a cartridge
US11053064B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2017 |
| Grant date | Jul 6, 2021 |
| Priority date | — |
| Expiry date | Mar 9, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/712
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A cartridge for a medium to be dispensed includes a head part having a dispensing outlet and a film forming a cartridge wall, with the film bounding a cartridge chamber for the medium to be dispensed, extending at least partially in a longitudinal direction of the cartridge and having a front end that is connected to the head part. The head part has a collar, the collar surrounding the dispensing outlet in a radially outer region of the head part and extending in the longitudinal direction. The front end of the film is sealingly and non-releasably connected to the collar of the head part. The collar of the head part has an inner surface extending in the longitudinal direction and includes at least one projection projecting radially inwardly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.