CA2877098C - Resin injection molding method and resin injection molded product - Google Patents
Resin injection molding method and resin injection molded product Download PDFInfo
- Publication number
- CA2877098C CA2877098C CA2877098A CA2877098A CA2877098C CA 2877098 C CA2877098 C CA 2877098C CA 2877098 A CA2877098 A CA 2877098A CA 2877098 A CA2877098 A CA 2877098A CA 2877098 C CA2877098 C CA 2877098C
- Authority
- CA
- Canada
- Prior art keywords
- mold
- design surface
- resin
- cavity
- injection
- 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.)
- Expired - Fee Related
Links
- 229920005989 resin Polymers 0.000 title claims abstract description 119
- 239000011347 resin Substances 0.000 title claims abstract description 119
- 238000002347 injection Methods 0.000 title claims abstract description 109
- 239000007924 injection Substances 0.000 title claims abstract description 109
- 238000001746 injection moulding Methods 0.000 title claims abstract description 34
- 239000004743 Polypropylene Substances 0.000 claims abstract description 85
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 55
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 55
- 239000011342 resin composition Substances 0.000 claims abstract description 54
- -1 polypropylene Polymers 0.000 claims abstract description 29
- 229920001155 polypropylene Polymers 0.000 claims abstract description 29
- 229920001971 elastomer Polymers 0.000 claims abstract description 17
- 238000013461 design Methods 0.000 claims description 189
- 238000000034 method Methods 0.000 claims description 32
- 238000000465 moulding Methods 0.000 claims description 28
- 238000012545 processing Methods 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 12
- 239000010985 leather Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000005429 filling process Methods 0.000 description 6
- 230000009477 glass transition Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000000045 pyrolysis gas chromatography Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of 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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING 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
- B29K2021/00—Use of unspecified rubbers as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING 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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
-
- 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
- B29L2031/00—Other particular articles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-141382 | 2012-06-22 | ||
| JP2012141382A JP5997949B2 (ja) | 2012-06-22 | 2012-06-22 | 樹脂の射出成形方法 |
| PCT/JP2013/066946 WO2013191241A1 (ja) | 2012-06-22 | 2013-06-20 | 樹脂の射出成形方法及び樹脂の射出成形品 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2877098A1 CA2877098A1 (en) | 2013-12-27 |
| CA2877098C true CA2877098C (en) | 2020-04-28 |
Family
ID=49768834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2877098A Expired - Fee Related CA2877098C (en) | 2012-06-22 | 2013-06-20 | Resin injection molding method and resin injection molded product |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9242400B2 (enExample) |
| JP (1) | JP5997949B2 (enExample) |
| CN (1) | CN104379315B (enExample) |
| CA (1) | CA2877098C (enExample) |
| IN (1) | IN2014DN10844A (enExample) |
| MX (1) | MX350649B (enExample) |
| WO (1) | WO2013191241A1 (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015223732A (ja) * | 2014-05-27 | 2015-12-14 | クミ化成株式会社 | 射出成形用金型 |
| EP3332936A1 (en) | 2016-12-07 | 2018-06-13 | Letoplast Invest NV | Method for producing an injection moulded product with a higher rib-to-wall thickness ratio |
| DE102017213453A1 (de) | 2017-08-03 | 2019-02-07 | Volkswagen Aktiengesellschaft | Verfahren und Vorrichtung zum Herstellen eines Verkleidungsteils eines Kraftfahrzeugs, Verwendung der Vorrichtung |
| JP7255415B2 (ja) * | 2019-08-02 | 2023-04-11 | コニカミノルタ株式会社 | 射出成形用金型および製造方法 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6517755B1 (en) * | 1919-07-18 | 2003-02-11 | Ube Industries, Ltd. | Resin multilayer molding method and mulitlayer molding device |
| EP0066951B1 (en) * | 1981-05-15 | 1985-08-28 | Imperial Chemical Industries Plc | Process for moulding reinforced curable compositions |
| JP2793320B2 (ja) * | 1990-03-29 | 1998-09-03 | オリンパス光学工業株式会社 | 光学成形体の射出成形金型および成形方法 |
| JPH06315961A (ja) | 1993-05-10 | 1994-11-15 | Tohoku Munekata Kk | 可視面にヒケを発生させない射出成形プラスチック製品の製造方法及びその装置 |
| JP3153079B2 (ja) * | 1994-10-06 | 2001-04-03 | 宇部興産株式会社 | 自動車内装部品用ポリプロピレン系樹脂組成物及びそれを用いて成形してなる自動車内装用部品 |
| JP3946813B2 (ja) | 1997-04-30 | 2007-07-18 | 日本ジーイープラスチックス株式会社 | ヒケを改善する成形方法 |
| JP3293562B2 (ja) * | 1998-07-30 | 2002-06-17 | 宇部興産株式会社 | 射出成形方法 |
| JP2000176944A (ja) * | 1998-12-18 | 2000-06-27 | Ricoh Co Ltd | プラスチック成形品の製造方法及びプラスチック成形用金型 |
| JP2000289073A (ja) | 1999-04-12 | 2000-10-17 | Asahi Chem Ind Co Ltd | ガス加圧射出圧縮成形方法 |
| JP4344421B2 (ja) * | 1999-04-26 | 2009-10-14 | 住友化学株式会社 | 熱可塑性樹脂組成物及びその射出成形体 |
| EP1207031A4 (en) * | 1999-07-27 | 2003-04-09 | Dainippon Toryo Kk | PROCESS FOR FORMING A COATING ON THE INTERNAL SURFACES OF A METAL MOLD |
| JP4266609B2 (ja) * | 2002-10-08 | 2009-05-20 | 株式会社プライムポリマー | 成形方法および樹脂成形体 |
| JP2005313330A (ja) * | 2004-04-27 | 2005-11-10 | Honda Motor Co Ltd | 射出成形金型 |
| JP4889962B2 (ja) * | 2004-05-14 | 2012-03-07 | 昭和電工株式会社 | 導電性構造体およびその製造方法ならびに燃料電池用セパレータ |
| WO2007129673A1 (ja) | 2006-05-02 | 2007-11-15 | Hiroyuki Iwami | 熱可塑性樹脂成形用金型、キャビティ型及びそのキャビティ型の製造方法 |
| US7846533B2 (en) * | 2008-03-26 | 2010-12-07 | Hendrickson Usa, L.L.C. | Molded thermoplastic articles |
| CN101712789B (zh) * | 2009-12-25 | 2012-03-21 | 北京中拓机械有限责任公司 | 一种纤维增强注塑制品及其注塑成型方法 |
| CN102343661B (zh) * | 2011-06-29 | 2014-01-29 | 安徽丰原淮海制药有限公司 | 一种直排式吹塑输液软袋的制备方法 |
-
2012
- 2012-06-22 JP JP2012141382A patent/JP5997949B2/ja active Active
-
2013
- 2013-06-20 CA CA2877098A patent/CA2877098C/en not_active Expired - Fee Related
- 2013-06-20 IN IN10844DEN2014 patent/IN2014DN10844A/en unknown
- 2013-06-20 MX MX2014015453A patent/MX350649B/es active IP Right Grant
- 2013-06-20 WO PCT/JP2013/066946 patent/WO2013191241A1/ja not_active Ceased
- 2013-06-20 CN CN201380032286.5A patent/CN104379315B/zh not_active Expired - Fee Related
- 2013-06-20 US US14/408,473 patent/US9242400B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CA2877098A1 (en) | 2013-12-27 |
| IN2014DN10844A (enExample) | 2015-09-04 |
| JP2014004737A (ja) | 2014-01-16 |
| CN104379315A (zh) | 2015-02-25 |
| CN104379315B (zh) | 2016-10-26 |
| MX350649B (es) | 2017-09-12 |
| US20150190953A1 (en) | 2015-07-09 |
| MX2014015453A (es) | 2015-05-08 |
| WO2013191241A1 (ja) | 2013-12-27 |
| US9242400B2 (en) | 2016-01-26 |
| JP5997949B2 (ja) | 2016-09-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20180126 |
|
| MKLA | Lapsed |
Effective date: 20210621 |