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    System for selective laser sintering
    1.
    发明授权
    System for selective laser sintering 有权

    公开(公告)号：US11312069B2

    公开(公告)日：2022-04-26

    申请号：US16604934

    申请日：2018-04-25

    Applicant: Hexcel Corporation

    Inventor： Scott DeFelice ,  Anthony DeCarmine

    IPC: B29C64/153 ,  B33Y30/00 ,  B33Y50/02 ,  B29C64/295 ,  B29C64/393 ,  B29C64/268 ,  B29K71/00

    Abstract: A system for producing an object from a powder by selective laser sintering. The system includes a chamber and a support platform in the chamber. A spreader applies a layer of powder to a bed surface. An irradiation source irradiates select points in the powdered layer prepared on the support platform. A radiant heater heats at least a portion of the bed surface. A temperature sensor monitors the temperature of select points on the bed surface. A controller adjusts the radiant heater in response to temperature data provided by the temperature sensor.

    System for Identifying Parts Formed in an Additive Manufacturing Build
    2.
    发明申请
    System for Identifying Parts Formed in an Additive Manufacturing Build 有权

    公开(公告)号：US20210140860A1

    公开(公告)日：2021-05-13

    申请号：US16682762

    申请日：2019-11-13

    Applicant: Hexcel Corporation

    Inventor： Whitney Kline ,  Alden Winn

    IPC: G01N3/08 ,  B29C64/153

    Abstract: A system and method for identifying test bars formed during a selective laser sintering build. A part cake is formed during a selective laser sintering build. The part cake comprises parts formed from a powder by selective laser sintering and unsintered powder around the formed parts. The parts include test bars for performing material testing. Each test bar includes a plurality of indentations in a first grip section and a second grip section. The plurality of indentations are arranged in a information providing pattern that is adapted to be readable after the test part is removed from the part cake.

    Polymer Powder and Object Made from the Same
    4.
    发明申请
    Polymer Powder and Object Made from the Same 审中-公开

    公开(公告)号：US20200165417A1

    公开(公告)日：2020-05-28

    申请号：US16778721

    申请日：2020-01-31

    Applicant: Hexcel Corporation

    Inventor： Whitney Kline ,  Lawrence Varholak

    IPC: C08K7/06 ,  B29B9/02 ,  B33Y70/00

    Abstract: A powder composition suitable for use in selective laser sintering for printing an object. The powder composition includes a first fraction including a plurality of polyaryletherketone (PAEK) particles having a mean diameter less than 30 microns, a second fraction having a plurality of polyaryletherketone (PAEK) particles having a mean diameter greater than 30 microns, and a third fraction having a plurality of carbon fibers. The first fraction and the second fraction are formed by an air classification separation performed on a pulverized powder. After the separation, the first fraction, the second fraction, and the third fraction are blended in a high intensity mixer. The powder composition when used in selective laser sinter results in parts with increased tensile strength and reduced surface roughness, among other improvements, as compared to similar powders omitting the first fraction. The PAEK may include polyetherketoneketone (PEKK).

    Plugged acoustic honeycomb
    5.
    发明授权
    Plugged acoustic honeycomb 有权

    公开(公告)号：US10604277B2

    公开(公告)日：2020-03-31

    申请号：US15583059

    申请日：2017-05-01

    Applicant: Hexcel Corporation

    Inventor： Andres Baca ,  Clark Smith ,  Earl Ayle ,  Heather Botello

    IPC: B64F5/40 ,  B64D33/02 ,  B32B3/12 ,  G10K11/172 ,  B29C73/06 ,  B29C73/26

    Abstract: An acoustic honeycomb panel is plugged with an acoustic honeycomb plug. The acoustic honeycomb plug is adhesively bonded in the panel using a honeycomb seam. The honeycomb seam is composed of a honeycomb support that is located within the seam channel and an adhesive. Using honeycomb seams to adhesively bond acoustic honeycomb plugs into acoustic honeycomb panels is useful in repairing damaged areas of acoustic honeycomb panels that are located in the acoustic treatments for jet engines.

    Module for holding at least one bushing
    9.
    发明授权
    Module for holding at least one bushing 有权
    用于固定至少一个衬套的模块

    公开(公告)号：US09370905B2

    公开(公告)日：2016-06-21

    申请号：US13980015

    申请日：2012-01-20

    Applicant: Flemming Moeller Larsen ,  Johannes Moser ,  Bruno Boursier

    Inventor： Flemming Moeller Larsen ,  Johannes Moser ,  Bruno Boursier

    IPC: B29C70/46 ,  B29C70/68 ,  B29C70/86 ,  F03D1/06 ,  B29K105/24

    CPC classification number: B29C70/68 ,  B29C70/46 ,  B29C70/86 ,  B29K2105/243 ,  F03D1/0658 ,  Y02E10/721

    Abstract: A module (1) for holding at least one bushing (17) within a recess, wherein it comprises two side surfaces (2, 3), an upper (4) and a lower (5) surface and at least one end surface (6), wherein the upper (4) and lower (5) surfaces are of different width and arcs, respectively, in their cross-section, and the side surfaces (2, 3) are of equal height, and when coupled to a second module (8) by its side surfaces (3, 9), which second module (8) optionally may also hold at least one bushing (17), the sum of the angle (alpha) between the optionally imaginary plane side surface (12) of the one module (1) and the tangent (10) to its upper surface (4) at the intersection (A) with the side surface (3) and the angle (beta) between the optionally imaginary plane side surface (13) of the other module (8) and the tangent (11) to its upper surface (15) at the intersection (B) with the side surface (9) is at least 180 degrees and/or a plurality of modules (1), optionally when holding the bushings (17), form at least a section of a circular ring or a full circular ring.

    Abstract translation: 一种用于在凹槽内保持至少一个衬套（17）的模块（1），其中它包括两个侧表面（2,3），上部（4）和下部（5）表面和至少一个端面（6） ），其中所述上表面（4）和下表面（5）在其横截面中分别具有不同的宽度和弧度，并且所述侧表面（2,3）具有相同的高度，并且当耦合到第二模块 （8）通过其侧表面（3,9），所述第二模块（8）可选地还可以容纳至少一个衬套（17），所述第二模块（8）的任意虚拟平面侧表面（12）之间的角度（α） 在与侧表面（3）的交叉点（A）处的一个模块（1）和其上表面（4）的切线（10）和在该表面（3）的任意虚拟平面侧表面（13）之间的角度（β） 在与侧面（9）的交点（B）处的其它模块（8）和其上表面（15）的切线（11）至少为180度，和/或多个模块（1），任选地当保持 衬套（17） 形成至少一个圆形环或全圆形环的部分。

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