JPH0311609B2 - - Google Patents

Info

Publication number
JPH0311609B2
JPH0311609B2 JP7724886A JP7724886A JPH0311609B2 JP H0311609 B2 JPH0311609 B2 JP H0311609B2 JP 7724886 A JP7724886 A JP 7724886A JP 7724886 A JP7724886 A JP 7724886A JP H0311609 B2 JPH0311609 B2 JP H0311609B2
Authority
JP
Japan
Prior art keywords
lens body
resin
gate
view
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
JP7724886A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62233233A (ja
Inventor
Hitoshi Fukuda
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP7724886A priority Critical patent/JPS62233233A/ja
Publication of JPS62233233A publication Critical patent/JPS62233233A/ja
Publication of JPH0311609B2 publication Critical patent/JPH0311609B2/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
    • B29C45/0025—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
    • B29C45/0046—Details relating to the filling pattern or flow paths or flow characteristics of moulding material in the mould cavity
    • B29C2045/0049—Details relating to the filling pattern or flow paths or flow characteristics of moulding material in the mould cavity the injected material flowing against a mould cavity protruding part
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP7724886A 1986-04-03 1986-04-03 樹脂成形レンズ体 Granted JPS62233233A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7724886A JPS62233233A (ja) 1986-04-03 1986-04-03 樹脂成形レンズ体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7724886A JPS62233233A (ja) 1986-04-03 1986-04-03 樹脂成形レンズ体

Publications (2)

Publication Number Publication Date
JPS62233233A JPS62233233A (ja) 1987-10-13
JPH0311609B2 true JPH0311609B2 (en]) 1991-02-18

Family

ID=13628554

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7724886A Granted JPS62233233A (ja) 1986-04-03 1986-04-03 樹脂成形レンズ体

Country Status (1)

Country Link
JP (1) JPS62233233A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT515836B1 (de) * 2014-06-11 2016-03-15 Zizala Lichtsysteme Gmbh Schließeinheit für eine Spritzgießmaschine

Also Published As

Publication number Publication date
JPS62233233A (ja) 1987-10-13

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees