TW200740596A - Method for manufacturing molded flat plate, and molded flat plate - Google Patents

Method for manufacturing molded flat plate, and molded flat plate

Info

Publication number
TW200740596A
TW200740596A TW096104774A TW96104774A TW200740596A TW 200740596 A TW200740596 A TW 200740596A TW 096104774 A TW096104774 A TW 096104774A TW 96104774 A TW96104774 A TW 96104774A TW 200740596 A TW200740596 A TW 200740596A
Authority
TW
Taiwan
Prior art keywords
flat plate
lateral gate
molded flat
lateral
rows
Prior art date
Application number
TW096104774A
Other languages
Chinese (zh)
Inventor
Masahiko Hayashi
Noboru Muraoka
Kazunori Ueki
Original Assignee
Zeon 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 Zeon Corp filed Critical Zeon Corp
Publication of TW200740596A publication Critical patent/TW200740596A/en

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
    • 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
    • B29C45/0046—Details relating to the filling pattern or flow paths or flow characteristics of moulding material in the mould cavity
    • 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
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • B29C2045/0032—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks sequential injection from multiple gates, e.g. to avoid weld lines
    • 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
    • B29L2007/00—Flat articles, e.g. films or sheets

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)

Abstract

A plurality of gates (20) are arranged on a substantially rectangular cavity surface (10). The gates (20) are arranged along the longitudinal direction or the lateral direction at substantially equal intervals. A plurality of gates are arranged by three lateral gate rows (22) and four longitudinal gate rows. A lateral gate row (22B) at the middle of the three lateral gate rows is permitted to be a first lateral gate row (X), and lateral gate rows (20A, 20C) outside the middle lateral gate row are permitted to be second lateral gate rows (Y). A resin is projected from the first lateral gate row (X), and when the projecting quantity of the resin becomes a prescribed quantity, the resin is projected from the second lateral gate rows (Y) and a molded flat plate is manufactured.
TW096104774A 2006-02-13 2007-02-09 Method for manufacturing molded flat plate, and molded flat plate TW200740596A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006034655 2006-02-13
JP2006225259 2006-08-22

Publications (1)

Publication Number Publication Date
TW200740596A true TW200740596A (en) 2007-11-01

Family

ID=38371395

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096104774A TW200740596A (en) 2006-02-13 2007-02-09 Method for manufacturing molded flat plate, and molded flat plate

Country Status (4)

Country Link
JP (1) JPWO2007094209A1 (en)
KR (1) KR20080101904A (en)
TW (1) TW200740596A (en)
WO (1) WO2007094209A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016202103A1 (en) * 2016-02-11 2017-08-17 Osram Gmbh Method for producing a light module, light module and use of an optical element in a light module
CN106514964A (en) * 2016-10-14 2017-03-22 深圳天珑无线科技有限公司 Side wall side-by-side intra-mold automatic water nozzle cutting structure
JP7257256B2 (en) * 2019-05-30 2023-04-13 三光合成株式会社 INJECTION MOLDING APPARATUS AND INJECTION MOLDING METHOD

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3182997B2 (en) * 1993-10-18 2001-07-03 豊田合成株式会社 Injection molding method for resin molded product and molding die
JP4144028B2 (en) * 2002-09-24 2008-09-03 日本ゼオン株式会社 Manufacturing method of light diffusion plate
EP1731929A1 (en) * 2004-03-12 2006-12-13 Zeon Corporation Light diffusion plate and method for producing the plate
JP4457344B2 (en) * 2004-03-23 2010-04-28 日本ゼオン株式会社 Manufacturing method of light diffusion plate

Also Published As

Publication number Publication date
WO2007094209A1 (en) 2007-08-23
KR20080101904A (en) 2008-11-21
JPWO2007094209A1 (en) 2009-07-02

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