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1. (WO2017138915) BUILD LAYER TEMPERATURE CONTROL
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2017/138915 International Application No.: PCT/US2016/017004
Publication Date: 17.08.2017 International Filing Date: 08.02.2016
IPC:
B29C 67/00 (2017.01) ,B33Y 30/00 (2015.01) ,B33Y 50/00 (2015.01) ,B33Y 50/02 (2015.01)
B PERFORMING OPERATIONS; TRANSPORTING
29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
C
SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
67
Shaping techniques not covered by groups B29C39/-B29C65/93
[IPC code unknown for B33Y 30][IPC code unknown for B33Y 50][IPC code unknown for B33Y 50/02]
Applicants:
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. [US/US]; 11445 Compaq Center Drive West Houston, Texas 77070, US
Inventors:
ZHAO, Yan; US
HARTMAN, Aja; US
ZHAO, Lihua; US
Agent:
MORRIS, Jordan E.; US
Priority Data:
Title (EN) BUILD LAYER TEMPERATURE CONTROL
(FR) RÉGULATION DE TEMPÉRATURE DE COUCHE DE CONSTRUCTION
Abstract:
(EN) Examples include an apparatus for generating a three-dimensional object. The apparatus comprises at least one energy source, at least one build layer temperature sensor, and a controller. The controller is to control the at least one energy source to pre-fuse a portion of a build layer in a build area when a build layer temperature is less than a first temperature threshold. The controller is further to, after pre-fusing the portion of the build layer, control the at least one energy source to fuse the portion of the build layer in the build area when the build layer temperature is less than a second threshold.
(FR) L'invention concerne, selon des exemples, un appareil de production d'un objet tridimensionnel. L'appareil comprend au moins une source d'énergie, au moins un capteur de température de couche de construction et un dispositif de commande. Le dispositif de commande est destiné à commander la au moins une source d'énergie afin d'effectuer une fusion préalable d'une partie d'une couche de construction dans une zone de construction lorsqu'une température de couche de construction est inférieure à un premier seuil de température. Le dispositif de commande est en outre conçu pour, après la fusion préalable de la partie de la couche de construction, commander la au moins une source d'énergie pour fusionner la partie de la couche de construction dans la zone de construction lorsque la température de la couche de construction est inférieure à un second seuil.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
EP3356124CN108349165US20190054699