JPS6157167B2 - - Google Patents

Info

Publication number
JPS6157167B2
JPS6157167B2 JP53161833A JP16183378A JPS6157167B2 JP S6157167 B2 JPS6157167 B2 JP S6157167B2 JP 53161833 A JP53161833 A JP 53161833A JP 16183378 A JP16183378 A JP 16183378A JP S6157167 B2 JPS6157167 B2 JP S6157167B2
Authority
JP
Japan
Prior art keywords
gate
cavity
resin
mold
molding
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
Application number
JP53161833A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5591640A (en
Inventor
Shunji Uchio
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.)
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
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 Asahi Chemical Industry Co Ltd filed Critical Asahi Chemical Industry Co Ltd
Priority to JP16183378A priority Critical patent/JPS5591640A/ja
Publication of JPS5591640A publication Critical patent/JPS5591640A/ja
Publication of JPS6157167B2 publication Critical patent/JPS6157167B2/ja
Granted legal-status Critical Current

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
    • B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
    • 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
    • B29C45/2701—Details not specific to hot or cold runner channels
    • B29C45/2708—Gates
    • 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
    • B29D11/00596—Mirrors

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP16183378A 1978-12-29 1978-12-29 Injection molding of plastic transparent product Granted JPS5591640A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16183378A JPS5591640A (en) 1978-12-29 1978-12-29 Injection molding of plastic transparent product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16183378A JPS5591640A (en) 1978-12-29 1978-12-29 Injection molding of plastic transparent product

Publications (2)

Publication Number Publication Date
JPS5591640A JPS5591640A (en) 1980-07-11
JPS6157167B2 true JPS6157167B2 (enrdf_load_stackoverflow) 1986-12-05

Family

ID=15742783

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16183378A Granted JPS5591640A (en) 1978-12-29 1978-12-29 Injection molding of plastic transparent product

Country Status (1)

Country Link
JP (1) JPS5591640A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59188601A (ja) * 1983-04-11 1984-10-26 Hitachi Ltd プラスチツクレンズ
WO2005095083A1 (ja) * 2004-03-31 2005-10-13 Zeon Corporation 導光板射出成形用金型及びそれを用いた導光板の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5393850A (en) * 1977-01-25 1978-08-17 Pii Ueebaa Haaman Method and system of ejecting lens and lens blank

Also Published As

Publication number Publication date
JPS5591640A (en) 1980-07-11

Similar Documents

Publication Publication Date Title
US4252294A (en) Mold for injection molding
JPWO2011155550A1 (ja) 芳香族ポリカーボネート製偏光レンズ
US8936363B2 (en) Polarizing lens made of aromatic polycarbonate
Oliveira et al. Gloss and surface topography of ABS: A study on the influence of the injection molding parameters
Wang et al. Experimental research on the effects of cavity surface temperature on surface appearance properties of the moulded part in rapid heat cycle moulding process
Tredoux et al. Investigation of wave‐like flow marks in injection molding: Flow visualization and micro‐geometry
KR20020079406A (ko) 도광판
JP4629757B2 (ja) レンズ成型金型
JPS6157167B2 (enrdf_load_stackoverflow)
CN101186101A (zh) 生产光学元件的高压注塑方法
JP2006281765A (ja) 光学素子の表面精度改善方法及びその装置
JP2009126899A (ja) セルロースエステルフィルム及び光学フィルム
JP2002128909A (ja) 樹脂製窓製品
JPH09193257A (ja) レンズの成形方法及び成形型及びレンズ及び走査光学系
Roth et al. Influence of the Mold Temperature and Part Thickness on the Replication Quality and Molecular Orientation in Compression Injection Molding of Polystyrene
JP3274224B2 (ja) プラスチック光学素子の成形金型およびそのプラスチック光学素子
Zhou et al. Simulation and Experimental Study of the Flow Mechanism of Injection‐Molded Materials for Optical Non‐Spherical Cylindrical Lens
JPH10305441A (ja) シリコーン樹脂材料の成形方法
JP3583204B2 (ja) 合成樹脂製成形品の製造方法
Michaeli et al. Analysis of different compression-molding techniques regarding the quality of optical lenses
CN219737816U (zh) 一种带减速凹槽的光学镜片
JPH04284219A (ja) 低複屈折光学用プラスチック部材
Wildner et al. Analysis of the processing-pressure dependent refractive index of Poly (methyl methacrylate) by transmission measurements of glass-filled specimen
JP3296910B2 (ja) 偏肉成形品の製造方法
Tofteberg et al. Effects of injection molding holding pressure on the replication of surface microfeatures