Multinozzle printhead with an adaptable profile for 3d-printing
US-2020147873-A1 · May 14, 2020 · US
Extrusion head for additive manufacturing, additive manufacturing system and method
US12552089B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12552089-B2 |
| Application number | US-202418783284-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 24, 2024 |
| Priority date | Apr 23, 2019 |
| Publication date | Feb 17, 2026 |
| Grant date | Feb 17, 2026 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
An extrusion head for additive manufacturing includes an enclosure defining a supply chamber. The enclosure includes at least one inlet port opening into the supply chamber and configured to receive a material to be extruded under pressure and a plurality of extrusion nozzles. Each nozzle is in communication with the supply chamber and opens onto the exterior of the enclosure via an outlet orifice. The nozzles of the plurality of nozzles are arranged adjacent to one another with a determined spacing between each nozzle outlet orifice.
First claim
Opening claim text (preview).
The invention claimed is: 1 . An additive manufacturing method comprising: injecting under pressure of a material to be extruded into a supply chamber of an extrusion head including an enclosure defining the supply chamber, the enclosure including at least one inlet port opening into the supply chamber and configured to receive a material to be extruded under pressure, and a plurality of extrusion nozzles, each nozzle being in communication with the supply chamber and opening onto an exterior of the enclosure via an outlet orifice, the nozzles of the plurality of nozzles being arranged adjacent to one another with a determined spacing between each nozzle outlet orifice, wherein the enclosure is formed by a first and second semi-annular portions fastened together by clamping screws and the plurality of extrusion nozzles is present on one of the first and second semi-annular portions which is removable, wherein the supply chamber includes first and second sloping walls present respectively on the first and second semi-annular portions of the enclosure, and wherein the first and second sloping walls form together a duct in the supply chamber, and a passage section of which shrinks progressively between the inlet port and a distribution outlet of the supply chamber; and depositing a plurality of filaments adjacent to one another by the extrusion head, the plurality of filaments forming a strip having a width corresponding substantially to the width over which the plurality of extrusion nozzles of the extrusion head extends. 2 . The method according to claim 1 , wherein each nozzle of the plurality of nozzles comprises an extrusion channel in direct communication with the supply chamber, the extrusion channel including a front portion having a passage cross section which shrinks progressively until the outlet orifice. 3 . The method according to claim 1 , wherein the outlet orifice of each nozzle has a width comprised between 50 μm and 700 μm. 4 . The method according to claim 1 , wherein the distance between two adjacent outlet orifices is comprised between 50 μm and 700 μm. 5 . The method according to claim 1 , wherein the plurality of nozzles is present on a removable element of the enclosure.
Assignees
Inventors
Classifications
Pre-treatment · CPC title
Heads; Nozzles · CPC title
Preparation · CPC title
Apparatus for additive manufacturing; Details thereof or accessories therefor · CPC title
Processes of additive manufacturing · CPC title
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Frequently asked questions
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- What does patent US12552089B2 cover?
- An extrusion head for additive manufacturing includes an enclosure defining a supply chamber. The enclosure includes at least one inlet port opening into the supply chamber and configured to receive a material to be extruded under pressure and a plurality of extrusion nozzles. Each nozzle is in communication with the supply chamber and opens onto the exterior of the enclosure via an outlet orif…
- Who is the assignee on this patent?
- Safran
- What technology area does this patent fall under?
- Primary CPC classification B29C64/118. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Feb 17 2026 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).