Method for decorating plastic parts
US10155329B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2016 |
| Grant date | Dec 18, 2018 |
| Priority date | — |
| Expiry date | Oct 4, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2025/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
There is described an apparatus for performing the in-mold decoration method with an injection tool (1). The injection tool (1) has a first tool portion (11) having a first mold recess (13) and a second tool portion (12) having a second mold recess (15) corresponding to the first mold recess. The second tool portion (12) has at least one injection passage (12e), wherein a portion of an endless decorative film (16) can be arranged between the first tool portion (11) and the second tool portion (12). The mold recess (13) of the first tool portion (11) has a raised edge region (14) extending in a closed configuration around the mold recess (13) and having an end face (14s) which is flattened or rounded or pointed in cross-section. The second tool portion (12) has a corresponding end face (12s) parallel to the end face (14s) of the raised edge region (14). When the injection tool (1) is closed there is a spacing (s) between the end face (14s) of the raised edge region (14) of the first tool portion (11) and the corresponding end face (12s) of the second tool portion (12) at least over a subregion, wherein the spacing is sealed by the decorative film (16). A method for same is further d…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.