JPS6116605B2 - - Google Patents

Info

Publication number
JPS6116605B2
JPS6116605B2 JP11908582A JP11908582A JPS6116605B2 JP S6116605 B2 JPS6116605 B2 JP S6116605B2 JP 11908582 A JP11908582 A JP 11908582A JP 11908582 A JP11908582 A JP 11908582A JP S6116605 B2 JPS6116605 B2 JP S6116605B2
Authority
JP
Japan
Prior art keywords
light
fresnel lens
press mold
center
lens
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
JP11908582A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5828353A (ja
Inventor
Masamichi Sato
Seiji Matsumoto
Takahiro Oota
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP11908582A priority Critical patent/JPS5828353A/ja
Publication of JPS5828353A publication Critical patent/JPS5828353A/ja
Publication of JPS6116605B2 publication Critical patent/JPS6116605B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00009Production of simple or compound lenses
    • B29D11/00269Fresnel lenses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00Optical elements, e.g. lenses, prisms
    • B29L2011/0016Lenses
    • B29L2011/005Fresnel lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
JP11908582A 1982-07-08 1982-07-08 ノングレア フレネルレンズの製法 Granted JPS5828353A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11908582A JPS5828353A (ja) 1982-07-08 1982-07-08 ノングレア フレネルレンズの製法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11908582A JPS5828353A (ja) 1982-07-08 1982-07-08 ノングレア フレネルレンズの製法

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP49031154A Division JPS50125755A (US06168655-20010102-C00055.png) 1974-03-19 1974-03-19

Publications (2)

Publication Number Publication Date
JPS5828353A JPS5828353A (ja) 1983-02-19
JPS6116605B2 true JPS6116605B2 (US06168655-20010102-C00055.png) 1986-05-01

Family

ID=14752511

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11908582A Granted JPS5828353A (ja) 1982-07-08 1982-07-08 ノングレア フレネルレンズの製法

Country Status (1)

Country Link
JP (1) JPS5828353A (US06168655-20010102-C00055.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06175709A (ja) * 1992-12-04 1994-06-24 Mitsubishi Electric Corp プログラミング装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0941174A (ja) * 1995-07-31 1997-02-10 Nippon Yakin Kogyo Co Ltd 金属材料の洗浄方法およびその設備

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06175709A (ja) * 1992-12-04 1994-06-24 Mitsubishi Electric Corp プログラミング装置

Also Published As

Publication number Publication date
JPS5828353A (ja) 1983-02-19

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