Title:
A METHOD FOR MANUFACTURING AN OBJECT, IN PARTICULAR AN ORTHODONTIC APPLIANCE, BY A 3D-PRINTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/285592
Kind Code:
A3
Abstract:
A method for manufacturing an object (1), in particular an orthodontic appliance (2), by a 3D-printing device (3) comprising a supply device (4) for provision of a non- solidified material (5) and means for illumination (6) to solidify a layer (7) of non-solidified material (5) provided by the supply device (4) at least zonally to fabricate the object (1), characterized by the following steps: a virtual model (8) of the object (1) to be printed is provided for the 3D-printing device (3), the supply device (4) provides a layer (7) of the non- solidified material, the means for illumination (6) solidify the layer (7) at least zonally, whereby the means for illumination (6) comprises illumination pixels (9) arranged in a grid, preferably with a dimension (10) between 10 µm and 80 µm, particularly preferred between 30 pm and 50 µm, wherein at least one dimension (ID of the object (1) represented by the virtual model (8) is chosen to be aligned with the dimension (10) of the illumination pixels (9).
Inventors:
HIRSCH MARKUS (CH)
Application Number:
PCT/EP2022/069726
Publication Date:
February 23, 2023
Filing Date:
July 14, 2022
Export Citation:
Assignee:
HIRSCH DYNAMICS HOLDING AG (CH)
International Classes:
B33Y10/00; A61C13/00; B28B1/00; B29C64/00
Domestic Patent References:
| WO2021017937A1 | 2021-02-04 | |||
| WO2020206053A1 | 2020-10-08 |
Foreign References:
| US20080171284A1 | 2008-07-17 |
Attorney, Agent or Firm:
TORGGLER & HOFMANN PATENTANWÄLTE GMBH & CO KG (AT)
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