Apparatus and method for producing plastics material pre-forms from a thermoplastic plastics material
US9381674B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2013 |
| Grant date | Jul 5, 2016 |
| Priority date | — |
| Expiry date | Jan 9, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2105/258
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to an apparatus for producing plastics material pre-forms from a thermoplastic plastics material (12) with a device (1) for providing flowable thermoplastic plastics material (12), a hot runner tool (2) arranged downstream of the device (1) and a conveying device (4) having a plurality of cavities (3), wherein the hot runner tool (2) has at least one hot runner (5), which is formed in a face (6) of the hot runner tool (2), and the conveying device (4) has a face (7) in which openings (8) for filling the cavities (3) are formed, wherein the faces (6, 7) of the hot runner tool (2) and of the conveying device (4) are capable of being orientated with respect to each other in such a way that they slide one over the other, wherein at least one opening (8) of a cavity (3) is always positioned above the hot runner (5).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.