Patent · US Active

Additive manufacturing system and a method of additive manufacturing

US10953596B2 · kind B2 · utility

1Cited by

1References

9Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Malte Korten · Moorenweis, DE
Helmar B. Mayr · Kaufering, DE
Gioacchino Raia · Türkenfeld, DE
Bernhard Hofmann · Peißenberg, DE
Adrian S. Eckert · Herrsching am Ammersee, DE

Key dates

Filing date	Dec 12, 2016
Grant date	Mar 23, 2021
Priority date	—
Expiry date	Sep 14, 2037

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB33Y50/02
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

An additive manufacturing system has a light permeable base (2), a build carrier (4) for holding a workpiece (100) and a light source (5) which is arranged to emit light through the light permeable base (2). The light permeable base (2) and the build carrier (4) are positionable relative to each other in a build dimension in which the workpiece (100) is built up. The system further has a resin vat (3) in which the light permeable base (2) forms a wall portion thereof. The system further comprises a plurality of resin supplies (13, 15) for supplying different light hardenable resins in direct contact with each other in said vat (3). The system facilitates the rapid manufacturing of a dental restoration having a color gradation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.