Methods for fabricating objects using investment molding techniques
US9750914B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2014 |
| Grant date | Sep 5, 2017 |
| Priority date | — |
| Expiry date | May 9, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2995/0062
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Systems and methods in accordance with embodiments of the invention fabricate objects using investment molding techniques. In one embodiment, a method of fabricating an object includes: fabricating a subassembly including a plurality of volumes; where each volume is defined by the homogenous presence or absence of a material; where fabricating the subassembly includes using an additive manufacturing process; where at least one of the plurality of volumes defines a shape that is to exist in the object to be fabricated; where at least a first of the plurality of volumes includes a first dissolvable material; dissolving the first dissolvable material; where the dissolution of the first dissolvable material does not dissolve at least one other material within the subassembly; forming at least one cavity within the subassembly; and introducing an additive material into the at least one cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.