JPS6141737B2 - - Google Patents

Info

Publication number
JPS6141737B2
JPS6141737B2 JP19887083A JP19887083A JPS6141737B2 JP S6141737 B2 JPS6141737 B2 JP S6141737B2 JP 19887083 A JP19887083 A JP 19887083A JP 19887083 A JP19887083 A JP 19887083A JP S6141737 B2 JPS6141737 B2 JP S6141737B2
Authority
JP
Japan
Prior art keywords
molding
lens body
thick
mold
thin
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
JP19887083A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6090745A (ja
Inventor
Nobuo Nishimura
Minoru Myata
Shuji Gotanda
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.)
Stanley Electric Co Ltd
Original Assignee
Stanley 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 Stanley Electric Co Ltd filed Critical Stanley Electric Co Ltd
Priority to JP19887083A priority Critical patent/JPS6090745A/ja
Publication of JPS6090745A publication Critical patent/JPS6090745A/ja
Publication of JPS6141737B2 publication Critical patent/JPS6141737B2/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
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • 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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/164—The moulding materials being injected simultaneously
    • 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
    • B29D11/00009—Production of simple or compound lenses
    • 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
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • 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
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP19887083A 1983-10-24 1983-10-24 二色レンズの成形方法 Granted JPS6090745A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19887083A JPS6090745A (ja) 1983-10-24 1983-10-24 二色レンズの成形方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19887083A JPS6090745A (ja) 1983-10-24 1983-10-24 二色レンズの成形方法

Publications (2)

Publication Number Publication Date
JPS6090745A JPS6090745A (ja) 1985-05-21
JPS6141737B2 true JPS6141737B2 (enrdf_load_stackoverflow) 1986-09-17

Family

ID=16398290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19887083A Granted JPS6090745A (ja) 1983-10-24 1983-10-24 二色レンズの成形方法

Country Status (1)

Country Link
JP (1) JPS6090745A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5413743A (en) * 1993-05-20 1995-05-09 General Motors Corporation Method of making a lamp assembly
EP1568460A1 (en) 2004-02-24 2005-08-31 Mold-Masters Limited Multiple-material injection molding

Also Published As

Publication number Publication date
JPS6090745A (ja) 1985-05-21

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