3D printing of a structure for injection molding
US11198238B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 18, 2017 |
| Grant date | Dec 14, 2021 |
| Priority date | — |
| Expiry date | Oct 18, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB33Y80/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of additive manufacturing for producing a 2-part mold suitable for use in injection molding, comprises: obtaining a computerized 3D representation of a 2-part mold (3D mold); delimiting one or more regions within the 3D mold; assigning a material or a combination of materials to each delimited region which is different from different from materials used in other delimited regions or outside the delimited regions; and producing the 2-part mold by additive manufacturing; wherein the delimiting comprises carrying out an offset from a surface of the 3D mold which is intended to be in contact with injected material, and wherein the offset is carried out within the solid part of the 3D mold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.