JPS578120A - Molding method of plastic lens - Google Patents

Molding method of plastic lens

Info

Publication number
JPS578120A
JPS578120A JP8212980A JP8212980A JPS578120A JP S578120 A JPS578120 A JP S578120A JP 8212980 A JP8212980 A JP 8212980A JP 8212980 A JP8212980 A JP 8212980A JP S578120 A JPS578120 A JP S578120A
Authority
JP
Japan
Prior art keywords
molds
recess
cavity
film
forming member
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.)
Granted
Application number
JP8212980A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0126860B2 (enrdf_load_stackoverflow
Inventor
Tadao Nakamura
Kenji Muranaka
Naonori Hayashi
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.)
AGC Inc
Original Assignee
Asahi Glass 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 Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Priority to JP8212980A priority Critical patent/JPS578120A/ja
Publication of JPS578120A publication Critical patent/JPS578120A/ja
Publication of JPH0126860B2 publication Critical patent/JPH0126860B2/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
    • B29D11/0048—Moulds for lenses
    • B29D11/00528—Consisting of two mould halves joined by an annular gasket
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like
    • 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
    • B29D11/00413—Production of simple or compound lenses made by moulding between two mould parts which are not in direct contact with one another, e.g. comprising a seal between or on the edges
    • 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
    • B29L2031/76—Office equipment or accessories
    • B29L2031/7602—Maps

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)
JP8212980A 1980-06-19 1980-06-19 Molding method of plastic lens Granted JPS578120A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8212980A JPS578120A (en) 1980-06-19 1980-06-19 Molding method of plastic lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8212980A JPS578120A (en) 1980-06-19 1980-06-19 Molding method of plastic lens

Publications (2)

Publication Number Publication Date
JPS578120A true JPS578120A (en) 1982-01-16
JPH0126860B2 JPH0126860B2 (enrdf_load_stackoverflow) 1989-05-25

Family

ID=13765799

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8212980A Granted JPS578120A (en) 1980-06-19 1980-06-19 Molding method of plastic lens

Country Status (1)

Country Link
JP (1) JPS578120A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007512974A (ja) * 2003-10-29 2007-05-24 エシロール　アテルナジオナール　カンパニー　ジェネラーレ　デ　オプティック 光学レンズの成形に関する方法
GB2456565A (en) * 2008-01-18 2009-07-22 Gkn Aerospace Services Ltd Moulded article ejecting tool

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007512974A (ja) * 2003-10-29 2007-05-24 エシロール　アテルナジオナール　カンパニー　ジェネラーレ　デ　オプティック 光学レンズの成形に関する方法
JP2011218812A (ja) * 2003-10-29 2011-11-04 Essilor Internatl Co Generale & D'optique 成形型内に重合性組成物を導入する方法
GB2456565A (en) * 2008-01-18 2009-07-22 Gkn Aerospace Services Ltd Moulded article ejecting tool
GB2456565B (en) * 2008-01-18 2010-07-14 Gkn Aerospace Services Ltd Ejector tool

Also Published As

Publication number Publication date
JPH0126860B2 (enrdf_load_stackoverflow) 1989-05-25

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