CA2768071A1 - Injection molding of part having nonuniform thickness - Google Patents

Injection molding of part having nonuniform thickness Download PDF

Info

Publication number
CA2768071A1
CA2768071A1 CA2768071A CA2768071A CA2768071A1 CA 2768071 A1 CA2768071 A1 CA 2768071A1 CA 2768071 A CA2768071 A CA 2768071A CA 2768071 A CA2768071 A CA 2768071A CA 2768071 A1 CA2768071 A1 CA 2768071A1
Authority
CA
Canada
Prior art keywords
mold surface
mold
injection molding
side walls
thermoplastic material
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.)
Abandoned
Application number
CA2768071A
Other languages
English (en)
French (fr)
Inventor
Kurt Allen Jenkins
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.)
Microsoft Corp
Original Assignee
Microsoft Corp
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
Application filed by Microsoft Corp filed Critical Microsoft Corp
Publication of CA2768071A1 publication Critical patent/CA2768071A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00663—Production of light guides
    • 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
    • B29C45/33—Moulds having transversely, e.g. radially, movable 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/20—Opening, closing or clamping
    • B29C33/26—Opening, closing or clamping by pivotal movement
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C45/561—Injection-compression moulding
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/57—Exerting after-pressure on the moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
CA2768071A 2009-08-26 2010-08-24 Injection molding of part having nonuniform thickness Abandoned CA2768071A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/548,147 2009-08-26
US12/548,147 US7931847B2 (en) 2009-08-26 2009-08-26 Injection molding of part having nonuniform thickness
PCT/US2010/046397 WO2011028493A2 (en) 2009-08-26 2010-08-24 Injection molding of part having nonuniform thickness

Publications (1)

Publication Number Publication Date
CA2768071A1 true CA2768071A1 (en) 2011-03-10

Family

ID=43623638

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2768071A Abandoned CA2768071A1 (en) 2009-08-26 2010-08-24 Injection molding of part having nonuniform thickness

Country Status (10)

Country Link
US (2) US7931847B2 (enExample)
EP (1) EP2470346B1 (enExample)
JP (1) JP2013503060A (enExample)
KR (1) KR101764448B1 (enExample)
CN (1) CN102470590B (enExample)
BR (1) BR112012004238A2 (enExample)
CA (1) CA2768071A1 (enExample)
MY (1) MY160933A (enExample)
RU (1) RU2566770C2 (enExample)
WO (1) WO2011028493A2 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7931847B2 (en) * 2009-08-26 2011-04-26 Microsoft Corporation Injection molding of part having nonuniform thickness
US8628321B2 (en) * 2010-10-13 2014-01-14 Microsoft Corporation Molding of nonuniform object having undercut structure
US9108369B2 (en) 2011-07-25 2015-08-18 Microsoft Technology Licensing, Llc Wedge light guide
CN105479780A (zh) * 2015-11-24 2016-04-13 上海复合材料科技有限公司 一种纤维-树脂复合材料的制备方法及该方法的用途
CN113710446B (zh) * 2019-04-18 2023-11-14 帝人碳纤维欧洲有限公司 楔形填料预成型坯

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3117474A1 (de) * 1981-05-02 1982-11-18 Fa. Carl Zeiss, 7920 Heidenheim Verfahren und vorrichtung zum herstellen von formteilen mit asphaerischen oberflaechen
JPH0733034B2 (ja) * 1988-09-05 1995-04-12 富士写真フイルム株式会社 射出圧縮成形用金型
JPH07121545B2 (ja) * 1988-09-19 1995-12-25 株式会社小松製作所 射出圧縮成形機とその制御方法
US5015169A (en) * 1989-06-08 1991-05-14 General Electric Company Apparatus for die forming thermoplastic sheet material
JP3037988B2 (ja) * 1990-09-29 2000-05-08 キーパー株式会社 合成樹脂製蛇腹製品の射出ブロー成形方法
DE4313015C1 (de) * 1993-04-21 1994-05-19 Moebius & Ruppert Vorrichtung zur Herstellung eines großflächigen Kunststoffgegenstandes geringer Wanddicke
DE19517024C1 (de) * 1995-05-10 1996-06-13 Moebius & Ruppert Vorrichtung zur Herstellung eines großflächigen Kunststoffgegenstandes geringer Wanddicke
SG65615A1 (en) * 1996-07-25 1999-06-22 Advanced Systems Automation Pt Bga moulding assembly for encapsulating bga substrates of varying thickness
ES2190599T3 (es) * 1997-08-07 2003-08-01 Decoma Int Inc Sistema de gestion de luz delgado para orientar y distribuir la luz de una o mas fuentes luminosas y metodo de fabricacion de estructuras opticas para su uso en el sistema.
JP2002036323A (ja) * 2000-07-21 2002-02-05 Meiki Co Ltd 楔形断面の薄板部材の成形方法および楔形断面の薄板部材の成形用型締装置
DE10057160A1 (de) * 2000-11-16 2002-05-29 Sms Demag Ag Verfahren und Vorrichtung zum Herstellen von Dünnbrammen
US6579485B2 (en) * 2000-12-15 2003-06-17 Haun Drop Forge Co. Ltd. Method of injection molding around the surface of an object
DE10115647B4 (de) * 2001-03-30 2008-05-15 Kraussmaffei Technologies Gmbh Vorrichtung und Verfahren zum Spritzgießen von Kunststoffteilen mit Dickenunterschieden
JP2002303734A (ja) * 2001-04-05 2002-10-18 Sumitomo Chem Co Ltd 導光板
DE10202246B8 (de) * 2002-01-21 2006-04-20 Franz Josef Summerer Vorrichtung und Verfahren zum Herstellen optischer Formteile aus Kunststoff
DE10302102B3 (de) * 2003-01-21 2004-09-16 Franz Josef Summerer Verfahren und Vorrichtung zum Herstellen von Formteilen aus Kunststoff
JP2005238456A (ja) * 2004-02-24 2005-09-08 Sumitomo Chemical Co Ltd 偏肉大型導光板の製造方法
US20070083086A1 (en) * 2005-10-11 2007-04-12 Levahn Intellectual Property Holding Company, Llc Shaped retractor blade
DE102008027522A1 (de) * 2007-06-11 2009-02-05 Kabushiki Kaisha Daisan, Ashikaga-shi Dünnwandiger Formgegenstand
KR100846746B1 (ko) 2007-11-28 2008-07-17 범진공업 (주) 사출물 수축보상을 위한 금형
DK1939386T3 (da) 2008-01-08 2013-04-22 Nina Nielsen Kile med en slids
US7931847B2 (en) * 2009-08-26 2011-04-26 Microsoft Corporation Injection molding of part having nonuniform thickness

Also Published As

Publication number Publication date
CN102470590A (zh) 2012-05-23
MY160933A (en) 2017-03-31
JP2013503060A (ja) 2013-01-31
EP2470346A4 (en) 2014-03-12
RU2566770C2 (ru) 2015-10-27
RU2012106613A (ru) 2013-08-27
KR20120069670A (ko) 2012-06-28
EP2470346B1 (en) 2016-04-20
CN102470590B (zh) 2014-07-16
US8216493B2 (en) 2012-07-10
BR112012004238A2 (pt) 2016-04-05
US20110049736A1 (en) 2011-03-03
WO2011028493A3 (en) 2011-07-07
US7931847B2 (en) 2011-04-26
US20110163467A1 (en) 2011-07-07
WO2011028493A2 (en) 2011-03-10
EP2470346A2 (en) 2012-07-04
KR101764448B1 (ko) 2017-08-03

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20140826