JPH0343601B2 - - Google Patents

Info

Publication number
JPH0343601B2
JPH0343601B2 JP57214841A JP21484182A JPH0343601B2 JP H0343601 B2 JPH0343601 B2 JP H0343601B2 JP 57214841 A JP57214841 A JP 57214841A JP 21484182 A JP21484182 A JP 21484182A JP H0343601 B2 JPH0343601 B2 JP H0343601B2
Authority
JP
Japan
Prior art keywords
lens
sheet
resin sheet
cellulose
mold
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
JP57214841A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59104601A (ja
Inventor
Tatsumi Takahashi
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.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing 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 Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to JP21484182A priority Critical patent/JPS59104601A/ja
Publication of JPS59104601A publication Critical patent/JPS59104601A/ja
Publication of JPH0343601B2 publication Critical patent/JPH0343601B2/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
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00269—Fresnel lenses
    • 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
    • B29D11/00865—Applying coatings; tinting; colouring

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
JP21484182A 1982-12-08 1982-12-08 プラスチツクレンズシ−ト Granted JPS59104601A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21484182A JPS59104601A (ja) 1982-12-08 1982-12-08 プラスチツクレンズシ−ト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21484182A JPS59104601A (ja) 1982-12-08 1982-12-08 プラスチツクレンズシ−ト

Publications (2)

Publication Number Publication Date
JPS59104601A JPS59104601A (ja) 1984-06-16
JPH0343601B2 true JPH0343601B2 (enrdf_load_stackoverflow) 1991-07-03

Family

ID=16662423

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21484182A Granted JPS59104601A (ja) 1982-12-08 1982-12-08 プラスチツクレンズシ−ト

Country Status (1)

Country Link
JP (1) JPS59104601A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2666907B2 (ja) * 1986-03-05 1997-10-22 オリンパス光学工業株式会社 液晶レンズ
EP3470202B1 (en) * 2017-10-12 2021-08-18 Essilor International Injection molding with heat/cool cycle for making optical articles with a fresnel surface

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56157319A (en) * 1980-05-09 1981-12-04 Dainippon Printing Co Ltd Manufacture of fresnel lens

Also Published As

Publication number Publication date
JPS59104601A (ja) 1984-06-16

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