System and method for three dimensional model printing
US9662838B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 25, 2015 |
| Grant date | May 30, 2017 |
| Priority date | — |
| Expiry date | Aug 25, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB33Y40/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A scanning 3-D printing system comprises a printing platform movable in a printing direction and in an indexing direction, the printing platform comprising a printing head configured for dispensing building material while the printing platform is moving in a printing direction one pass at a time, and layer by layer, a roller configured for leveling the dispensed building material one pass at a time, wherein the roller is rotatably mounted on a roller axle, and wherein the roller axle extends over all passes of the printing system and is stationary in the indexing direction, a scraper configured for scraping excess building material off the roller, and a trough configured for collecting the building material scraped off the roller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.