TWI476091B - Production method of injection molded article - Google Patents

Production method of injection molded article Download PDF

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Publication number
TWI476091B
TWI476091B TW098117030A TW98117030A TWI476091B TW I476091 B TWI476091 B TW I476091B TW 098117030 A TW098117030 A TW 098117030A TW 98117030 A TW98117030 A TW 98117030A TW I476091 B TWI476091 B TW I476091B
Authority
TW
Taiwan
Prior art keywords
resin
molded article
injection
retention
welded portion
Prior art date
Application number
TW098117030A
Other languages
English (en)
Chinese (zh)
Other versions
TW201008752A (en
Inventor
Mineo Ohtake
Mitsuhiro Mochizuki
Kazufumi Watanabe
Original Assignee
Polyplastics Co
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 Polyplastics Co filed Critical Polyplastics Co
Publication of TW201008752A publication Critical patent/TW201008752A/zh
Application granted granted Critical
Publication of TWI476091B publication Critical patent/TWI476091B/zh

Links

Classifications

    • 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
    • B29C45/2669—Moulds with means for removing excess material, e.g. with overflow cavities
    • 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
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • 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
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • B29C2045/0044—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks expelling moulding material outside the mould cavity at the weld line location

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
TW098117030A 2008-06-16 2009-05-22 Production method of injection molded article TWI476091B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008156892A JP5442220B2 (ja) 2008-06-16 2008-06-16 射出成形品の製造方法

Publications (2)

Publication Number Publication Date
TW201008752A TW201008752A (en) 2010-03-01
TWI476091B true TWI476091B (zh) 2015-03-11

Family

ID=41433994

Family Applications (1)

Application Number Title Priority Date Filing Date
TW098117030A TWI476091B (zh) 2008-06-16 2009-05-22 Production method of injection molded article

Country Status (5)

Country Link
JP (1) JP5442220B2 (ja)
KR (1) KR101536338B1 (ja)
CN (1) CN102066079B (ja)
TW (1) TWI476091B (ja)
WO (1) WO2009154078A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5850111B2 (ja) * 2014-09-01 2016-02-03 日本精工株式会社 合成樹脂製保持器の製造方法
JP6222146B2 (ja) * 2015-03-13 2017-11-01 日本精工株式会社 軸受用保持器の製造方法
JP6846289B2 (ja) * 2017-06-02 2021-03-24 株式会社ブリヂストン 射出成形金型、樹脂部材、及び、樹脂製品の製造方法
CN112060495B (zh) * 2019-06-11 2024-09-10 大赛璐塑料株式会社 注塑成型体及其制造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04310715A (ja) * 1991-04-09 1992-11-02 Polyplastics Co 射出成形方法および射出成形用金型並びに射出成形品
JP2005321101A (ja) * 2005-07-14 2005-11-17 Nsk Ltd 軸受用プラスチックシール
TWI253978B (en) * 2002-02-13 2006-05-01 Yazaki Kk Method of forming fusion insert part in blow molding body
JP2007062333A (ja) * 2005-09-02 2007-03-15 Shin Etsu Polymer Co Ltd 成形用金型及び半導体ウェーハ用ダイシングフレーム

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2945147B2 (ja) * 1990-12-28 1999-09-06 日本石油化学株式会社 射出成形方法
JP2955798B2 (ja) * 1992-04-09 1999-10-04 ポリプラスチックス株式会社 射出成形方法
KR960007275B1 (ko) * 1992-06-05 1996-05-30 폴리플라스틱스 가부시끼가이샤 사출성형방법. 사출성형용 주형 및 사출성형된 물건
JP2960256B2 (ja) * 1992-06-25 1999-10-06 ポリプラスチックス株式会社 射出成形方法および射出成形用金型
JP2807619B2 (ja) * 1993-10-08 1998-10-08 株式会社新潟鉄工所 樹脂成形機
AU677903B2 (en) * 1994-06-01 1997-05-08 Toyota Jidosha Kabushiki Kaisha Casting method with improved resin core removing step and apparatus for performing the method
US5773042A (en) * 1994-10-14 1998-06-30 Kabushiki Kaisha Kobe Seiko Sho Injection molding unit for long fiber-reinforced thermoplastic resin

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04310715A (ja) * 1991-04-09 1992-11-02 Polyplastics Co 射出成形方法および射出成形用金型並びに射出成形品
TWI253978B (en) * 2002-02-13 2006-05-01 Yazaki Kk Method of forming fusion insert part in blow molding body
JP2005321101A (ja) * 2005-07-14 2005-11-17 Nsk Ltd 軸受用プラスチックシール
JP2007062333A (ja) * 2005-09-02 2007-03-15 Shin Etsu Polymer Co Ltd 成形用金型及び半導体ウェーハ用ダイシングフレーム

Also Published As

Publication number Publication date
JP5442220B2 (ja) 2014-03-12
JP2009298084A (ja) 2009-12-24
TW201008752A (en) 2010-03-01
KR101536338B1 (ko) 2015-07-13
CN102066079B (zh) 2014-06-11
KR20110038649A (ko) 2011-04-14
WO2009154078A1 (ja) 2009-12-23
CN102066079A (zh) 2011-05-18

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