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1. WO2020109745 - ADDITIVE MANUFACTURING METHOD ASSISTED BY A GRANULAR CONSTRAINED MEDIUM

Publication Number WO/2020/109745
Publication Date 04.06.2020
International Application No. PCT/FR2019/052865
International Filing Date 29.11.2019
IPC
B33Y 10/00 2015.01
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
10Processes of additive manufacturing
B29C 64/165 2017.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
10Processes of additive manufacturing
165using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
B29C 64/10 2017.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
10Processes of additive manufacturing
CPC
B29C 64/10
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
10Processes of additive manufacturing
B29C 64/165
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
64Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
10Processes of additive manufacturing
165using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
B33Y 10/00
BPERFORMING OPERATIONS; TRANSPORTING
33ADDITIVE MANUFACTURING TECHNOLOGY
YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
10Processes of additive manufacturing
Applicants
  • UNIVERSITE CLAUDE BERNARD LYON 1 [FR]/[FR]
  • CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE [FR]/[FR]
  • INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE LYON [FR]/[FR]
  • ECOLE SUPERIEURE DE CHIMIE, PHYSIQUE, ELECTRONIQUE DE LYON [FR]/[FR]
Inventors
  • MARQUETTE, Christophe
  • COURTIAL, Edwin-Joffrey
  • DELBARRE, Alizée
  • COLLY, Arthur
Agents
  • FERNANDES, Sérgio
  • COLOMBO, Michel
  • DUPONT, Jean-Baptiste
Priority Data
187217330.11.2018FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) ADDITIVE MANUFACTURING METHOD ASSISTED BY A GRANULAR CONSTRAINED MEDIUM
(FR) PROCÉDÉ DE FABRICATION ADDITIVE ASSISTÉ PAR UN MILIEU CONTRAINT GRANULAIRE
Abstract
(EN)
The invention relates to an additive manufacturing method and device implementing the deposition of a material to form a three-dimensional object. At least one step of depositing the material is carried out in suspension within a granular constrained medium (8) which comprises: a granular phase (6) consisting solely of a material (9) in the form of discrete and solid elements which interact at contact areas (12) with each other; and a gaseous interstitial phase (13).
(FR)
Procédé et dispositif de fabrication additive mettant en œuvre le dépôt d'un matériau pour former un objet tridimensionnel. Au moins une étape de dépôt du matériau est réalisée en suspension au sein d'un milieu contraint granulaire (8) qui comporte : une phase granulaire (6) constituée uniquement d'un matériau (9) se présentant sous la forme d'éléments discrets et solides qui interagissent au niveau de zones de contacts (12) entre eux; et une phase interstitielle gazeuse (13).
Latest bibliographic data on file with the International Bureau