公开(公告)号：US20240239025A1

公开(公告)日：2024-07-18

申请号：US18558994

申请日：2022-05-03

申请人： SAFRAN AIRCRAFT ENGINES ,  CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE ,  UNIVERSITE DU MANS

发明人： Josué COSTA BAPTISTA ,  Edith-Roland FOTSING ,  Annie ROSS ,  Jacky Novi MARDJONO ,  Jean BOULVERT ,  Daniel THERRIAULT

IPC分类号： B29C39/02 ,  B29C33/38 ,  B29C33/52 ,  B29C39/26 ,  B29C39/36 ,  B29C64/118 ,  B29K63/00 ,  B29K105/16 ,  B29L31/00 ,  B33Y10/00 ,  B33Y80/00 ,  F02C7/24

CPC分类号： B29C39/026 ,  B29C33/3842 ,  B29C33/52 ,  B29C39/26 ,  B29C39/36 ,  B33Y10/00 ,  B33Y80/00 ,  B29C64/118 ,  B29K2063/00 ,  B29K2105/162 ,  B29K2821/003 ,  B29K2821/006 ,  B29K2829/00 ,  B29K2831/04 ,  B29K2867/046 ,  B29K2995/0037 ,  B29L2031/757 ,  F02C7/24

摘要： Embodiments of the present invention relates to an acoustic metamaterial, as well as to a method for manufacturing the same. The acoustic metamaterial includes a plurality of channels or columns each having the same cross-section with a hydraulic radius between 5 and 300 μm, which channels or columns are arranged with a periodic spacing between 2 and 600 μm. This results in a highly dense network that can provide optimal acoustic absorption and/or impedance over a wide frequency range. The method for manufacturing the same includes additive manufacturing with a plurality of consecutive material deposition steps to form, in each step, a layer comprising a plurality of periodically repeated cells separated by walls. The layers deposited in the consecutive material deposition steps are stacked with their respective cells aligned to form channels.

公开(公告)号：US20240227248A1

公开(公告)日：2024-07-11

申请号：US18558944

申请日：2021-07-29

申请人： SUZHOU REVEDA MEDICAL BIOTECH CO., LTD.

发明人： Yuan HUANG ,  Ping YAN ,  Long LIU ,  Binwen CHEN ,  Qiuyu QU

IPC分类号： B29C33/44 ,  B29C39/26 ,  B29C39/36

CPC分类号： B29C33/442 ,  B29C39/26 ,  B29C39/36

摘要： The present invention provides a manufacturing device and a manufacturing method for molds. The manufacturing device includes a molding assembly including a mold table and a male mold. The mold table has an upper surface defining a depression thereon, and the male mold is configured to be disposed on a bottom surface of the depression. A height of the male mold is smaller than a depth of the depression. This manufacturing device can utilize a transfer molding method to manufacture molds in batches with higher mold production efficiency.

公开(公告)号：US11992976B2

公开(公告)日：2024-05-28

申请号：US17374037

申请日：2021-07-13

申请人： Formlabs, Inc.

发明人： Alex McCarthy ,  Maxim Lobovsky ,  Martin Galese

IPC分类号： B33Y10/00 ,  B22D18/06 ,  B22D29/00 ,  B28B7/34 ,  B29C33/00 ,  B29C33/38 ,  B29C33/40 ,  B29C33/52 ,  B29C33/56 ,  B29C39/26 ,  B29C39/36 ,  B29C64/112 ,  B29C64/129 ,  B29C39/24 ,  B29K71/00 ,  B29K503/08

CPC分类号： B29C33/3842 ,  B22D29/00 ,  B28B7/346 ,  B29C33/0011 ,  B29C33/3807 ,  B29C33/3814 ,  B29C33/40 ,  B29C33/52 ,  B29C33/565 ,  B29C39/26 ,  B29C39/36 ,  B29C64/112 ,  B29C64/129 ,  B33Y10/00 ,  B29C2033/385 ,  B29C39/24 ,  B29K2071/00 ,  B29K2503/08 ,  B29K2901/10

摘要： According to some aspects, a method is provided of casting an object from a mold, the method comprising obtaining a mold comprising a hollow shell of rigid material, the material comprising a thermoset polymer having a plurality of pores formed therein, providing a metal and/or ceramic slurry into an interior of the mold, exposing at least part of the mold to a low pressure environment so that a net flow of gas is produced from the interior of the mold into the low pressure environment. According to some aspects, a method of forming a porous mold is provided. According to some aspects, a photocurable liquid composition is provided, comprising a liquid photopolymer resin, particles of a solid material, in an amount between 30% and 60% by volume of the composition, and a water-soluble liquid.

公开(公告)号：US20240149502A1

公开(公告)日：2024-05-09

申请号：US18545882

申请日：2023-12-19

申请人： GOODRICH CORPORATION

发明人： Brian Wilson ,  Jean C Rodriguez

IPC分类号： B29C39/26 ,  B29C33/44 ,  B29C39/36 ,  F02K9/24

CPC分类号： B29C39/26 ,  B29C33/448 ,  B29C39/36 ,  F02K9/24 ,  B29K2901/12

摘要： Systems and methods for casting solid propellants include a mandrel for forming geometric features in a perforation of a propellant grain. In various embodiments, the mandrel includes a frangible portion that is removed from the propellant grain after the propellant grain has cured around the mandrel. A second portion of the mandrel may be left behind in the propellant grain. The mandrel may include a support structured disposed in the through hole of the mandrel. The support structure may include a plurality of longitudinal channels for directed exhaust gasses through the mandrel upon ignition of the propellant grain.

公开(公告)号：US11938693B2

公开(公告)日：2024-03-26

申请号：US17174795

申请日：2021-02-12

申请人： ESSILOR INTERNATIONAL

发明人： Wimon Kidwas ,  Nelson Morales

IPC分类号： B29D11/00 ,  B29C33/30 ,  B29C39/36 ,  B29L11/00

CPC分类号： B29D11/00221 ,  B29C33/303 ,  B29C39/36 ,  B29D11/00432 ,  B29L2011/0016

摘要： A machine for disassembling a lens mold assembly including a first mold part, a second mold part, and a molded-lens sandwiched therebetween. The machine includes a centering unit to center the lens mold assembly. The machine includes a disassembling module having a mold engagement mechanism to engage the first and second mold parts to clamp and move the lens mold assembly. The disassembling module includes a molded-lens holder mechanism having at least two clamping members to clamp the molded-lens of the lens mold assembly. The machine includes an alignment guidance module to detect relative positions between the molded lens of the lens mold assembly and the molded-lens holder mechanism to align the molded lens for clamping by the molded-lens holder mechanism. The mold engagement mechanism is configured to hold the first and second mold parts individually and to separate the first and second mold parts from the molded lens.

公开(公告)号：US11807739B2

公开(公告)日：2023-11-07

申请号：US17180165

申请日：2021-02-19

申请人： SAUDI ARABIAN OIL COMPANY

发明人： Aziz Fihri ,  Yassine Malajati ,  Enrico Bovero ,  Mohamed Bouhrara ,  Abdullatif Jazzar ,  Hussain Tuwailib

IPC分类号： C08K9/06 ,  C08L33/12 ,  B29C39/10 ,  B29C39/36 ,  C08F2/06 ,  C08K7/10 ,  C08F20/14 ,  B29K33/00 ,  B82Y30/00 ,  B82Y40/00 ,  C08K3/36 ,  C08K3/22

CPC分类号： C08K9/06 ,  B29C39/10 ,  B29C39/36 ,  C08F2/06 ,  C08F20/14 ,  C08K7/10 ,  C08L33/12 ,  B29K2033/12 ,  B82Y30/00 ,  B82Y40/00 ,  C08K3/36 ,  C08K2003/2241 ,  C08K2003/2244 ,  C08K2003/2296 ,  C08K2201/003 ,  C08K2201/011

摘要： Nanocomposite compositions and methods for preparing nanocomposite compositions films are provided. The nanocomposite compositions include dendritic fibrous nanoparticles that have a diameter ranging from 50 to 500 nm, and a polymer matrix comprising poly(methyl methacrylate) (PMMA), where the dendritic fibrous nanoparticles have a hydrophobic coating and are dispersed within the PMMA matrix. Methods of preparing nanocomposite compositions may include introducing dendritic fibrous nanoparticles into a mixture with a poly(methyl methacrylate) and an organic solvent to form a composite solution. Methods further include casting the mixture onto a glass sheet within a mold, evaporating the organic solvent to form the nanocomposite film, and separating the nanocomposite film from the glass sheet.

公开(公告)号：US11684866B2

公开(公告)日：2023-06-27

申请号：US16770227

申请日：2018-12-06

申请人： MEMENTO S.r.l.

发明人： Andrea Luigi Sambati

IPC分类号： B29C43/36 ,  C08L29/04 ,  B29C39/36 ,  B29C33/44 ,  B29C33/50 ,  A63H33/00 ,  B29C43/18 ,  B29C39/10 ,  B29C33/10 ,  B29K29/00 ,  B29L31/52

CPC分类号： A63H33/001 ,  B29C43/36 ,  C08L29/04 ,  B29K2029/04 ,  B29L2031/52 ,  C08L2205/03

摘要： The present invention relates to a kit comprising a mould (1; 101; 201) for kids and a powder water-sensitive mixture (M) for making a bijou through the mould, wherein the mould (1; 101; 201) comprises at least one body (2; 102) having a lower face, an opposing upper face (3) and a side wall (4) comprised between the lower face and the upper face (3), and at least one cavity (5) opened on the upper face (3) and equipped with a bottom (6), wherein the at least one body (2; 102) is of a flexible and/or deformable material, and wherein the mixture comprises polyvinyl alcohol, guar gum and ethylene vinyl acetate.

公开(公告)号：US11673298B2

公开(公告)日：2023-06-13

申请号：US17704239

申请日：2022-03-25

申请人： Eaton Intelligent Power Limited

发明人： Louis G. Campbell ,  Ganesh Kumar Balasubramanian

IPC分类号： B29C39/10 ,  B29C39/36 ,  B29C39/26 ,  B29K83/00 ,  B29L31/34

CPC分类号： B29C39/36 ,  B29C39/10 ,  B29C39/26 ,  B29K2083/005 ,  B29L2031/34

摘要： A mold for encapsulating an electrical component. The mold includes an encapsulation chamber and an air inlet. The encapsulation chamber is defined by a housing, an open top, and a solid bottom. The housing includes a solid outer wall, a permeable inner wall, and an air chamber between the solid outer wall and the inner wall. The air inlet is configured to introduce a gas into the air chamber. The encapsulation chamber is sized and shaped to receive the electrical component while leaving a gap for the introduction of encapsulant around the electrical component. The encapsulant may be silicone rubber. To remove an encapsulated electrical component, pressurized air may be introduced through the air inlet into the air chamber, passing through the permeable inner wall, separating the outer surface of the encapsulant from the housing, and allowing the combination casting to be removed from the mold.

公开(公告)号：US20220288818A1

公开(公告)日：2022-09-15

申请号：US17635690

申请日：2019-08-19

申请人： Yoon SUNWOO

发明人： Yoon SUNWOO

IPC分类号： B29C39/42 ,  B29C39/02 ,  B29C39/36 ,  C08L5/04

摘要： A method of manufacturing a toy using a model frame in liquid includes: filling a water tank; dissolving calcium chloride, a powder component, into the water filled in the water tank; wherein the amount of calcium chloride is determined in anticipation of the degree of gelation by chemical action with sodium alginate, filling a liquid paint to the model frame; wherein the liquid paint is comprised water 96 wt. %, CNC 0.99 wt. %, sodium alginate 3 wt. %, luminous material 0.01 wt. % or water 91 wt. %, CNC 1 wt. %, sodium alginate 3 wt. %, shiny material 5 wt. % or water 96 wt. %, CNC 0.99 wt. %, sodium alginate 3 wt. %, color conversion material 0.01 wt. %; immersing the model frame filled with the liquid paint in the water tank; solidifying and shrinking the liquid paint filled in the model frame immersed in the water tank; and shaking the model frame.

公开(公告)号：US20220288816A1

公开(公告)日：2022-09-15

申请号：US17691323

申请日：2022-03-10

申请人： FIT AG

发明人： Carl Fruth ,  Alexander Bonke

IPC分类号： B29C33/44 ,  B29C39/36 ,  B29C45/44

摘要： A method produces an elastically deformable molded part having a number of undercut molded-part regions, by use of a mold. To provide a technique which makes it possible to produce individual molded parts which are elastically deformable and have undercut regions from soft materials in a precise and cost-effective manner, a method is performed in which a molded-part material is introduced into the mold. The mold has a shaping contour with a number of special contour regions, which are configured for shaping the number of undercut molded-part regions of the molded part, and in which the molded part is removed from the mold by at least partially deforming the mold together with the molded part therein in such a way that the molded part elastically deforms and the mold at least partially, but in any event to the extent of the special contour regions, breaks up.