Molding unit equipped with a boxing system with a proportional solenoid valve
US11312059B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 16, 2018 |
| Grant date | Apr 26, 2022 |
| Priority date | — |
| Expiry date | Jun 24, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7158
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A molding unit for the manufacturing of a container from a blank made of plastic material includes: a mold equipped with a wall and a movable insert; and at least one boxing system including a cylinder that is integral with the insert. The boxing system includes: at least one solenoid valve mounted on a primary fluid circuit, with this solenoid valve including a fluid outlet connected to a primary chamber and that defines a variable passage section based on an electric control signal applied to the solenoid valve; and a processing unit connected to the solenoid valve and programmed to vary the electric control signal applied to the latter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.