JPH0367846B2 - - Google Patents

Info

Publication number
JPH0367846B2
JPH0367846B2 JP8470982A JP8470982A JPH0367846B2 JP H0367846 B2 JPH0367846 B2 JP H0367846B2 JP 8470982 A JP8470982 A JP 8470982A JP 8470982 A JP8470982 A JP 8470982A JP H0367846 B2 JPH0367846 B2 JP H0367846B2
Authority
JP
Japan
Prior art keywords
temperature
lens
fan
heat transfer
wind speed
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 - Lifetime
Application number
JP8470982A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58203021A (ja
Inventor
Kyoshi Wada
Masao Takagi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8470982A priority Critical patent/JPS58203021A/ja
Publication of JPS58203021A publication Critical patent/JPS58203021A/ja
Publication of JPH0367846B2 publication Critical patent/JPH0367846B2/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP8470982A 1982-05-21 1982-05-21 プラスチツクレンズの製造方法 Granted JPS58203021A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8470982A JPS58203021A (ja) 1982-05-21 1982-05-21 プラスチツクレンズの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8470982A JPS58203021A (ja) 1982-05-21 1982-05-21 プラスチツクレンズの製造方法

Publications (2)

Publication Number Publication Date
JPS58203021A JPS58203021A (ja) 1983-11-26
JPH0367846B2 true JPH0367846B2 (enrdf_load_stackoverflow) 1991-10-24

Family

ID=13838187

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8470982A Granted JPS58203021A (ja) 1982-05-21 1982-05-21 プラスチツクレンズの製造方法

Country Status (1)

Country Link
JP (1) JPS58203021A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01169314U (enrdf_load_stackoverflow) * 1988-05-20 1989-11-29

Also Published As

Publication number Publication date
JPS58203021A (ja) 1983-11-26

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