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Improved cartridge for feeding a stereolithography machine and stereolithography machine employing said cartridge

A lithography machine and three-dimensional technology, which is applied in microlithography exposure equipment, optomechanical equipment, accessories for processing main materials, etc.

Active Publication Date: 2018-08-17
DWS SRL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] Consequently, the difficulties associated with the filling or introduction of different materials into the container, as well as emptying the container itself, replacing it periodically and cleaning the feed system if necessary, means that machines of the above-mentioned type are not suitable for use by unskilled users

Method used

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  • Improved cartridge for feeding a stereolithography machine and stereolithography machine employing said cartridge
  • Improved cartridge for feeding a stereolithography machine and stereolithography machine employing said cartridge
  • Improved cartridge for feeding a stereolithography machine and stereolithography machine employing said cartridge

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Embodiment Construction

[0042] According to figure 1 and 2 In a first preferred embodiment, generally indicated by 1 , the cartridge of the invention for supplying a stereolithography machine comprises a support structure 3 associated with a container 4 .

[0043] However, it cannot be excluded that, in an alternative embodiment to said first preferred embodiment of the invention, said container 4 may not belong to the cartridge 1 of the invention, but may be inserted independently in the stereolithography machine 200 and a separate element associated with the same cartridge 1 in the operative configuration.

[0044] Cassette 1 also comprises a first reservoir 5 associated with support structure 3, adapted to contain a first liquid or pasty material M1 adapted to be obtained by exposure to a predetermined Radiation R and freeze. The first reservoir 5 communicates with the container 4 through a first conduit 8 facing the container 4 through a delivery port 81 .

[0045] Obviously, according to the...

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Abstract

The invention provides a cartridge (1, 100) for stereolithography machines (200), which comprises a supporting structure (3) provided with connection means (10) suited to removably connect it to the stereolithography machine (200), a first reservoir (5) suited to contain a material (M1, M2) and provided with a first duct (8) and with a delivery mouth (81) which are suited to place it in communication with a container (4), a feeding unit (7) suited to feed the material (M1, M2) from the first reservoir (5) to the container (4), shutter means (9) suited to close the delivery mouth (81) of the first duct (8), and a second reservoir (12) suited to contain the material (M1, M2). The cartridge (1, 100) furthermore comprises a second duct (13) interposed between the first reservoir (5) and the second reservoir (12) in such a way as to place them in communication with each other. The feeding unit (7) is configured so that it conveys the material (M1, M2) from the first reservoir (5) to the second reservoir (12) and vice versa through the second duct (13) when the shutter means (9) are in the position in which they close the delivery mouth (81).

Description

technical field [0001] The present invention relates to an improved cassette for feeding a stereolithography machine and a stereolithography machine using the cassette. [0002] The invention also relates to a method for mixing materials by means of said improved cassette before feeding said materials into a stereolithography machine. Background technique [0003] As known, stereolithography makes it possible to manufacture three-dimensional objects by superimposing layers of liquid or pasty material which solidify after exposure to predetermined radiation, usually optical radiation. [0004] A known type of stereolithography machine comprises a container adapted to hold material and a modeling platform powered to move in a vertical direction. [0005] The machine also includes emitting means adapted to emit said predetermined radiation capable of selectively solidifying a layer of material adjacent to the modeling platform. [0006] Different stereolithographic materials ...

Claims

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Application Information

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IPC IPC(8): B29C64/129B29C64/336G03F7/00G03F7/20B33Y40/00
CPCB33Y40/00G03F7/0037G03F7/70416B33Y30/00B29C64/124B29C64/259B29B7/74B01F25/4512B33Y40/10B33Y80/00B29C64/314B33Y10/00B29C64/264B29C64/336B29C64/321
Inventor R·布萨托A·姆拉洛
Owner DWS SRL
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