[go: up one dir, main page]

FR3104483B1 - Procédé de fabrication d’une préforme pour récipient par fabrication additive - Google Patents

Procédé de fabrication d’une préforme pour récipient par fabrication additive Download PDF

Info

Publication number
FR3104483B1
FR3104483B1 FR1914314A FR1914314A FR3104483B1 FR 3104483 B1 FR3104483 B1 FR 3104483B1 FR 1914314 A FR1914314 A FR 1914314A FR 1914314 A FR1914314 A FR 1914314A FR 3104483 B1 FR3104483 B1 FR 3104483B1
Authority
FR
France
Prior art keywords
preform
manufacturing
container
additive manufacturing
additive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR1914314A
Other languages
English (en)
Other versions
FR3104483A1 (fr
Inventor
Matthew Forrester
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
Original Assignee
LOreal SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to FR1914314A priority Critical patent/FR3104483B1/fr
Application filed by LOreal SA filed Critical LOreal SA
Priority to KR1020227019466A priority patent/KR20220097981A/ko
Priority to CN202080085368.6A priority patent/CN114786899A/zh
Priority to US17/780,411 priority patent/US20230008190A1/en
Priority to PCT/EP2020/084005 priority patent/WO2021115833A1/fr
Priority to JP2022535665A priority patent/JP7321376B2/ja
Priority to EP20812348.9A priority patent/EP4072810B1/fr
Publication of FR3104483A1 publication Critical patent/FR3104483A1/fr
Application granted granted Critical
Publication of FR3104483B1 publication Critical patent/FR3104483B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02Combined blow-moulding and manufacture of the preform or the parison
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00Making preforms
    • B29B11/06Making preforms by moulding the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00Making preforms
    • B29B11/14Making preforms characterised by structure or composition
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0003Discharging moulded articles from the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/071Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/08Biaxial stretching during blow-moulding
    • B29C49/10Biaxial stretching during blow-moulding using mechanical means for prestretching
    • B29C49/12Stretching rods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/10Processes of additive manufacturing
    • B29C64/106Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/118Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/20Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/264Arrangements for irradiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/30Auxiliary operations or equipment
    • B29C64/379Handling of additively manufactured objects, e.g. using robots
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00Additive 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
    • B29C64/30Auxiliary operations or equipment
    • B29C64/386Data acquisition or data processing for additive manufacturing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y10/00Processes of additive manufacturing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y30/00Apparatus for additive manufacturing; Details thereof or accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y40/00Auxiliary operations or equipment, e.g. for material handling
    • B33Y40/20Post-treatment, e.g. curing, coating or polishing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y80/00Products made by additive manufacturing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/0715Preforms or parisons characterised by their configuration the preform having one end closed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/074Preforms or parisons characterised by their configuration having ribs or protrusions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/074Preforms or parisons characterised by their configuration having ribs or protrusions
    • B29C2949/0746Preforms or parisons characterised by their configuration having ribs or protrusions at body portion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/07Preforms or parisons characterised by their configuration
    • B29C2949/081Specified dimensions, e.g. values or ranges
    • B29C2949/082Diameter
    • B29C2949/0822Diameter of the neck
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00Indexing scheme relating to blow-moulding
    • B29C2949/30Preforms or parisons made of several components
    • B29C2949/3064Preforms or parisons made of several components having at least one components being applied using techniques not covered by B29C2949/3032 - B29C2949/3062
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/002Coloured
    • B29K2995/0021Multi-coloured
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/712Containers; Packaging elements or accessories, Packages

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Geometry (AREA)
  • Robotics (AREA)
  • Toxicology (AREA)
  • Thermal Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

Le procédé de fabrication d’une préforme destinée à la réalisation d’un récipient, comprend : - une étape de transfert 34 d’un modèle numérique de la préforme à fabriquer vers une machine de fabrication additive, - une étape de réalisation 36 de la préforme par la machine de fabrication additive à partir du modèle numérique transféré, et - une étape de refroidissement 38 de la préforme fabriquée à la température ambiante. Figure pour l’abrégé : Fig 3
FR1914314A 2019-12-12 2019-12-12 Procédé de fabrication d’une préforme pour récipient par fabrication additive Active FR3104483B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR1914314A FR3104483B1 (fr) 2019-12-12 2019-12-12 Procédé de fabrication d’une préforme pour récipient par fabrication additive
CN202080085368.6A CN114786899A (zh) 2019-12-12 2020-12-01 使用增材制造来制造容器预成型件的方法
US17/780,411 US20230008190A1 (en) 2019-12-12 2020-12-01 Method for manufacturing a container preform using additive manufacturing
PCT/EP2020/084005 WO2021115833A1 (fr) 2019-12-12 2020-12-01 Procédé de fabrication d'une préforme de contenat à l'aide d'une fabrication additive
KR1020227019466A KR20220097981A (ko) 2019-12-12 2020-12-01 적층 가공을 이용하여 용기 프리폼을 제조하는 방법
JP2022535665A JP7321376B2 (ja) 2019-12-12 2020-12-01 付加製造を使用して容器予備成形品を製造する方法
EP20812348.9A EP4072810B1 (fr) 2019-12-12 2020-12-01 Procédé de fabrication d'une préforme de contenat à l'aide d'une fabrication additive

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1914314 2019-12-12
FR1914314A FR3104483B1 (fr) 2019-12-12 2019-12-12 Procédé de fabrication d’une préforme pour récipient par fabrication additive

Publications (2)

Publication Number Publication Date
FR3104483A1 FR3104483A1 (fr) 2021-06-18
FR3104483B1 true FR3104483B1 (fr) 2021-12-31

Family

ID=69903424

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1914314A Active FR3104483B1 (fr) 2019-12-12 2019-12-12 Procédé de fabrication d’une préforme pour récipient par fabrication additive

Country Status (7)

Country Link
US (1) US20230008190A1 (fr)
EP (1) EP4072810B1 (fr)
JP (1) JP7321376B2 (fr)
KR (1) KR20220097981A (fr)
CN (1) CN114786899A (fr)
FR (1) FR3104483B1 (fr)
WO (1) WO2021115833A1 (fr)

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1006672A (en) * 1972-07-03 1977-03-15 Illinois Tool Works Inc. Plastic preform
DE20314295U1 (de) * 2003-09-15 2003-12-11 Georg Menshen Gmbh & Co. Kg Kunststoff-Spritzgiessteil, sowie Behältnis, hergestellt durch Blasformen des Kunststoffgiessteiles
KR101319732B1 (ko) * 2005-04-28 2013-10-17 가부시키가이샤 요시노 고교쇼 그라데이션 모양 부착 병체 및 프리폼의 사출성형방법
EP2103413B1 (fr) * 2008-03-18 2012-08-01 The Procter & Gamble Company Processus de fabrication d'un récipient moulé par étirage-soufflage disposant d'une poignée moulée intégralement
MX2012004817A (es) * 2009-11-06 2012-05-29 Nestec Sa Preforma y contenedor que comprenden elementos de refuerzo.
ES2621420T3 (es) * 2012-08-03 2017-07-04 Nestec S.A. Método para la fabricación de una preforma, preforma y recipiente
JP5999553B2 (ja) * 2012-08-31 2016-09-28 株式会社吉野工業所 2軸延伸ブロー成形による合成樹脂製容器の製造方法及び容器
WO2015006406A1 (fr) * 2013-07-09 2015-01-15 United Technologies Corporation Structure de réseau tubulaire plaqué
US8974213B1 (en) * 2013-09-02 2015-03-10 Massivit 3D Printing Technologies Ltd Large shells manufacturing apparatus
CN104858430A (zh) * 2014-02-25 2015-08-26 通用电气公司 三维零件的制造方法
JP6269338B2 (ja) * 2014-06-17 2018-01-31 株式会社アイテック 中空体の製造方法
CH710148A1 (de) * 2014-09-25 2016-03-31 Alpla Werke Preform zur Herstellung eines Kunststoffbehälters und Verfahren zur Herstellung eines Preforms.
FR3030343A1 (fr) * 2014-12-19 2016-06-24 Daher Aerospace Procede pour la preparation du drapage d'une preforme composite en forme
US20170232514A1 (en) * 2016-02-17 2017-08-17 Siemens Energy, Inc. Superplastic fabrication of superalloy components for turbine engines
US12227869B2 (en) * 2016-09-09 2025-02-18 Modumetal, Inc. Application of laminate and nanolaminate materials to tooling and molding processes
FR3058341A1 (fr) * 2016-11-10 2018-05-11 Saint Jean Industries Procede de fabrication de pieces selon une operation de fabrication additive suivie d'une operation de compaction isostatique a chaud
FR3081735B1 (fr) * 2018-05-31 2020-09-25 Safran Procede de fabrication d'une piece de turbomachine a evidement interne
JP2019209526A (ja) * 2018-05-31 2019-12-12 キョーラク株式会社 パリソン肉厚調整機構及びブロー成形装置
CN113165213B (zh) * 2018-12-19 2023-04-28 宝洁公司 具有视觉效应的制品

Also Published As

Publication number Publication date
CN114786899A (zh) 2022-07-22
EP4072810B1 (fr) 2025-03-19
KR20220097981A (ko) 2022-07-08
WO2021115833A1 (fr) 2021-06-17
JP7321376B2 (ja) 2023-08-04
EP4072810A1 (fr) 2022-10-19
US20230008190A1 (en) 2023-01-12
JP2023505580A (ja) 2023-02-09
FR3104483A1 (fr) 2021-06-18

Similar Documents

Publication Publication Date Title
EP4192925C0 (fr) Procédé de production de carburant renouvelable
FR3104483B1 (fr) Procédé de fabrication d’une préforme pour récipient par fabrication additive
CN107617715A (zh) 汽车轮毂外圈封闭锻造工艺
CN103524021B (zh) 一种玻璃精密模压的非球面镜片的制造方法
CN108793692B (zh) 一种气炼石英玻璃碇自整型的方法
CN103143661B (zh) 一种模锻件公差优化方法
CN204644421U (zh) 一种高铁机车齿轮的淬火工装
CN204109255U (zh) 一种阶梯温差的注塑模具
CN209794470U (zh) 一种注塑磁体冷却模具
CN204182916U (zh) 粉末冶金齿轮整形模具
CN203737966U (zh) 一种石墨结晶器
CN202656408U (zh) 带有改性peek镶件导套的高温精密模具
CN209886681U (zh) 3d打印设备腔体金属粉末密封结构
KR101079975B1 (ko) 외경이 동일하고 내벽의 두께가 상이한 파이프의 업셋 단조장치
CN205635874U (zh) 纺丝无风区距离调节装置
CN205085217U (zh) 一种双金属复合管液涨成形全抱持装置
CN205238231U (zh) 纽扣砖压机专用模具
CN204700141U (zh) 一种抱箍弯形模具
CN102941301A (zh) 一种一模成形的组合胎模及其成形方法
EP3885465A8 (fr) Procédé d'augmentation de la rectitude d'un fil mince
CN102806331A (zh) 一种缸套离心铸造模具
JP2018172248A (ja) 光学素子製造用型セット
FR3136178B1 (fr) Elaboration de pièces en MgB2
TW200720722A (en) A designing method and a fabricating method of optical lens set
CN104859103B (zh) 一种波纹板成型模具

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20210618

PLFP Fee payment

Year of fee payment: 3

PLFP Fee payment

Year of fee payment: 4

PLFP Fee payment

Year of fee payment: 5

PLFP Fee payment

Year of fee payment: 6