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 (en]
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 (en]) 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 (en])

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 (en]) 1989-05-25

Similar Documents

Publication Publication Date Title
ES8101982A1 (es) Perfeccionamientos en aparatos para moldear articulos com- puestos de dos materiales
JPS53140361A (en) Injection molding machine
IT1221865B (it) Dispositivo di azionamento di espulsori disposto nel gruppo di chiusura stampo di una macchina per stampaggio ad iniezione di materie plastiche
DE3476176D1 (en) Method and apparatus for manufacturing cast windows, and products obtained
PT80137A (de) Verfahren zum herstellen von spritzgussteilen und spritzgussform zur durchfuehrung des verfahrens
ATE70003T1 (de) Zusammengestzte gegenstaende sowie verfahren und vorrichtung zu deren herstellung.
DE3162575D1 (en) Method and apparatus for forming a closure of plastics material in an aperture in a metal substrate
EP0348129A3 (en) Injection moulding method using surge pressure
DE60101367D1 (de) Vorrichtung zur herstellung von polyurethanformkörpern, entsprechendes verfahren und so erhaltene polyurethanformkörper
ATE201628T1 (de) Form mit ringförmigem anschnitt zum spritzgiessen von kontakt-linsen
DE3762954D1 (de) Vorrichtung zum spritzgiessen.
DE3670592D1 (de) Verfahren zum regeln der oeffnungs-/schliessbewegung einer form in einer spritzgussmaschine.
JPS578120A (en) Molding method of plastic lens
JPS5579130A (en) Mold clamping device for projection molding machine
SE8105825L (sv) Anordning vid form for framstelling av med forsterkningselement forsedda foremal av elastmaterial
JPS5595497A (en) Forming method for speaker vibration system
JPS5214658A (en) Method and device for controlling internal pressure in injection molding machine mold
ATE268495T1 (de) Verfahren zum spritzgiessen von compact discs
JPS6490716A (en) Molding device of plastic concave lens
JPS5327651A (en) Method of controlling mold cramping pressure in injection molder
IE40979L (en) Removing scrap from mould sprues
JPS578119A (en) Molding method of plastic lens
GB972662A (en) An improved pressure forming process
JPS53140360A (en) Injection molding
JPS5617238A (en) Mold device for molding resin