JP2019055586A - 射出成形されたプラスチック材料でできている中空品を製造するための方法及び装置 - Google Patents
射出成形されたプラスチック材料でできている中空品を製造するための方法及び装置 Download PDFInfo
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- 238000002347 injection Methods 0.000 title claims abstract description 30
- 239000007924 injection Substances 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000002991 molded plastic Substances 0.000 title description 2
- 239000004033 plastic Substances 0.000 claims abstract description 27
- 238000005452 bending Methods 0.000 claims abstract description 15
- 238000001746 injection moulding Methods 0.000 claims abstract description 10
- 230000001133 acceleration Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims 1
- 239000000243 solution Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000007847 structural defect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14836—Preventing damage of inserts during injection, e.g. collapse of hollow inserts, breakage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/80—Measuring, controlling or regulating of relative position of mould parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/20—Injection nozzles
- B29C45/23—Feed stopping equipment
- B29C45/231—Needle valve systems therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/768—Detecting defective moulding conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
- B29C2045/2872—Closure devices therefor consisting of needle valve systems with at least three positions, e.g. two different open positions to control the melt flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76003—Measured parameter
- B29C2945/76006—Pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76003—Measured parameter
- B29C2945/76083—Position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76003—Measured parameter
- B29C2945/761—Dimensions, e.g. thickness
- B29C2945/76103—Dimensions, e.g. thickness shrinkage, dilation, dimensional change, warpage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76177—Location of measurement
- B29C2945/76254—Mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76177—Location of measurement
- B29C2945/76254—Mould
- B29C2945/76257—Mould cavity
- B29C2945/7626—Mould cavity cavity walls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76177—Location of measurement
- B29C2945/76287—Moulding material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76344—Phase or stage of measurement
- B29C2945/76381—Injection
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76451—Measurement means
- B29C2945/76454—Electrical, e.g. thermocouples
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76498—Pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76545—Flow rate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76655—Location of control
- B29C2945/76658—Injection unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76822—Phase or stage of control
- B29C2945/76859—Injection
Abstract
Description
Claims (10)
- 内部にコアが挿入されるキャビティを画定するダイを有する型と、
前記ダイと前記コアとの間に構成される空間に加圧されたプラスチック材料を射出するために閉位置と開位置との間で置換可能なピンバルブを含む少なくとも1つのインジェクタと
によって射出成形されたプラスチック材料でできている中空品を製造するための方法であって、
前記少なくとも1つのインジェクタの前記ピンバルブの置換は、射出される前記プラスチック材料の圧力及び流量を調整するように、制御された様式で作動され、
射出中に、前記コアの任意の曲げたわみが検出され、前記少なくとも1つのインジェクタの前記ピンバルブの制御された置換は、そのようなたわみの低減又は除去に至るまで、前記ピンバルブの位置、速度、加速度及びストロークのうち少なくとも1つを調整することにより作動される、
方法。 - 前記コアの前記曲げたわみを検出すべく、前記コアのベースのたわみ、前記コアの自由端の位置、射出される前記プラスチック材料の前記圧力、及びそれらの組み合わせのうち1つが測定される、
請求項1に記載の方法。 - 前記射出は、前記コアに対して反対側に位置する少なくとも1対のインジェクタによって行われる、
請求項1又は2に記載の方法。 - 内部にコアが挿入されるキャビティを画定するダイを有する型と、
前記ダイと前記コアとの間に構成される空間に加圧されたプラスチック材料を射出するために閉位置と開位置との間で置換可能なピンバルブを含む少なくとも1つのインジェクタと、
前記ピンバルブの置換を制御するためのアクチュエータと、
前記ピンバルブを制御された様式で置換し、射出される前記プラスチック材料の圧力及び流量の少なくとも一方を調整するように、前記アクチュエータと動作可能に接続される電子ユニットと
を備えるプラスチック材料の射出成形の装置であって、
前記装置は、少なくとも1つのセンサを備え、前記センサは、射出中に、前記コアの任意の曲げたわみを検出するように設計され、そのようなたわみの低減又は除去に至るまで、前記ピンバルブの位置、速度、加速度及びストロークのうち少なくとも1つを調整することにより前記少なくとも1つのインジェクタの前記ピンバルブの制御された置換を行うように構成される前記電子ユニットに接続される、
装置。 - 前記少なくとも1つのセンサは、前記コアのベースのたわみ変換器、前記コアの自由端の位置変換器、射出される前記プラスチック材料の圧力変換器、及びそれらの組み合わせのうちから選択される、
請求項4に記載の装置。 - 前記コアの前記自由端の前記位置変換器は、誘導タイプである、
請求項5に記載の装置。 - 前記少なくとも1つのセンサは、前記コア上に配置される、
請求項4から6のいずれか一項に記載の装置。 - 前記少なくとも1つのセンサは、前記ダイ上に取り付けられる、
請求項4から6のいずれか一項に記載の装置。 - 前記少なくとも1つのセンサは、前記ダイと前記コアとの間に構成される前記空間に配置される、
請求項4から6のいずれか一項に記載の装置。 - 装置が、前記コアに対して反対側に位置する少なくとも1対のインジェクタを備える、
請求項4から9のいずれか一項に記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102017000105306A IT201700105306A1 (it) | 2017-09-20 | 2017-09-20 | Procedimento e apparecchiatura per la produzione di articoli cavi di materia plastica stampata ad iniezione |
IT102017000105306 | 2017-09-20 |
Publications (2)
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JP2019055586A true JP2019055586A (ja) | 2019-04-11 |
JP6881844B2 JP6881844B2 (ja) | 2021-06-02 |
Family
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JP2018149983A Active JP6881844B2 (ja) | 2017-09-20 | 2018-08-09 | 射出成形されたプラスチック材料でできている中空品を製造するための方法及び装置 |
Country Status (5)
Country | Link |
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US (2) | US11458659B2 (ja) |
JP (1) | JP6881844B2 (ja) |
CN (1) | CN109514805B (ja) |
DE (1) | DE102018122982B4 (ja) |
IT (1) | IT201700105306A1 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
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IT201800002639A1 (it) * | 2018-02-13 | 2019-08-13 | Inglass Spa | Procedimento e apparecchiatura di stampaggio ad iniezione di materie plastiche |
JP6618647B1 (ja) * | 2019-04-26 | 2019-12-11 | 三光化成株式会社 | 微細パターン転写用モールド及び微細パターン成形方法 |
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JPH081734A (ja) * | 1994-04-20 | 1996-01-09 | Fuji Photo Film Co Ltd | 射出成形方法および装置 |
US5972256A (en) * | 1994-12-09 | 1999-10-26 | Rjg Technologies, Inc. | Method for determining deflection of mold core-pin |
JP2016135586A (ja) * | 2014-12-11 | 2016-07-28 | イングラス ソシエタ ペル アチオニINGLASS S.p.A. | プラスチック材料の注入成形のための方法及び装置 |
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JP2008001734A (ja) | 2006-06-20 | 2008-01-10 | Nok Kluber Kk | 潤滑油組成物 |
DE102008028577B4 (de) * | 2007-06-20 | 2016-11-10 | Mold-Masters (2007) Limited | Eckenangussspritzgießvorrichtung |
ITTO20120578A1 (it) | 2012-06-28 | 2013-12-29 | Inglass Spa | Apparecchiatura di stampaggio ad iniezione di materie plastiche |
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2017
- 2017-09-20 IT IT102017000105306A patent/IT201700105306A1/it unknown
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- 2018-08-09 JP JP2018149983A patent/JP6881844B2/ja active Active
- 2018-09-17 US US16/133,109 patent/US11458659B2/en active Active
- 2018-09-19 DE DE102018122982.8A patent/DE102018122982B4/de active Active
- 2018-09-20 CN CN201811100768.0A patent/CN109514805B/zh active Active
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2022
- 2022-08-29 US US17/897,440 patent/US11938664B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH081734A (ja) * | 1994-04-20 | 1996-01-09 | Fuji Photo Film Co Ltd | 射出成形方法および装置 |
US5972256A (en) * | 1994-12-09 | 1999-10-26 | Rjg Technologies, Inc. | Method for determining deflection of mold core-pin |
JP2016135586A (ja) * | 2014-12-11 | 2016-07-28 | イングラス ソシエタ ペル アチオニINGLASS S.p.A. | プラスチック材料の注入成形のための方法及び装置 |
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US11458659B2 (en) | 2022-10-04 |
JP6881844B2 (ja) | 2021-06-02 |
DE102018122982B4 (de) | 2021-10-21 |
US11938664B2 (en) | 2024-03-26 |
CN109514805B (zh) | 2022-10-21 |
CN109514805A (zh) | 2019-03-26 |
DE102018122982A1 (de) | 2019-03-21 |
IT201700105306A1 (it) | 2019-03-20 |
US20220402181A1 (en) | 2022-12-22 |
US20190084202A1 (en) | 2019-03-21 |
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