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Patent Searching and Data


Title:
RECOATER AND ADDITIVE MANUFACTURING DEVICE COMPRISING THE SAME, AND ADDITIVE MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2021/039384
Kind Code:
A1
Abstract:
In the present invention, a slit exit width d and a slit inclined angle θ satisfy the equations below, when: the acute angle formed by at least one slit inner wall surface and a slit exit surface of a slit section is the slit inclined angle θ [°]; the width of the slit exit formed by a pair of slit inner wall surfaces, the width being taken in the moving direction, is the slit exit width d [mm]; the shortest distance from the slit exit to the slit entrance is a slit height h [mm]; and the width of a powder housing section at a position where the powder housing section joins the slit section, the width being taken in the moving direction, is a housing width Lc [mm]. Equations: d ≥ 0.0024 × (θ - 75°)2 + 4.5; d ≤ Lc - 2h/tanθ

Inventors:
HATSUDA AKIMINE
YAMADA TAKESHI
KUROSAWA EISUKE
Application Number:
PCT/JP2020/030636
Publication Date:
March 04, 2021
Filing Date:
August 11, 2020
Export Citation:
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Assignee:
KOBE STEEL LTD (JP)
International Classes:
B22F3/105; B22F3/16; B22F9/08; B29C64/153; B29C64/205; B33Y10/00; B33Y30/00
Foreign References:
US20180079133A12018-03-22
JP2019152745A2019-09-12
Other References:
See also references of EP 3991877A4
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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