Method for forming a container from a preform wherein the wall of the preform is vibrated during said forming
US10500781B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2016 |
| Grant date | Dec 10, 2019 |
| Priority date | — |
| Expiry date | Jul 31, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2791/008
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method using an injection device having an outlet through which a liquid is injected into a preform and includes the steps of placing a preform in a malleable state in fluidic communication with an outlet of the injection device, forming the container by expanding the preform during a forming step, the forming step including at least an injection step, wherein pressurized liquid is injected into the preform through the outlet of the injection device such that the liquid expends expands the preform into a container and fills the container. The method includes a step of heating the wall of the preform during at least a part of the forming step by vibrating the wall of the preform.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.