IE38112L - Apparatus for casting plastics lenses - Google Patents

Apparatus for casting plastics lenses

Info

Publication number
IE38112L
IE38112L IE720757A IE75772A IE38112L IE 38112 L IE38112 L IE 38112L IE 720757 A IE720757 A IE 720757A IE 75772 A IE75772 A IE 75772A IE 38112 L IE38112 L IE 38112L
Authority
IE
Ireland
Prior art keywords
casting plastics
plastics lenses
lenses
casting
plastics
Prior art date
Application number
IE720757A
Other versions
IE38112B1 (en
Original Assignee
Ashland Optical Corp
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 Ashland Optical Corp filed Critical Ashland Optical Corp
Publication of IE38112L publication Critical patent/IE38112L/en
Publication of IE38112B1 publication Critical patent/IE38112B1/en

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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/30—Mounting, exchanging or centering
    • B29C33/301—Modular mould systems [MMS], i.e. moulds built up by stacking mould elements, e.g. plates, blocks, rods
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04—Contact lenses for the eyes
    • 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

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
IE757/72A 1971-06-04 1972-06-02 Multiple molding of plastics optical lenses IE38112B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15004071A 1971-06-04 1971-06-04

Publications (2)

Publication Number Publication Date
IE38112L true IE38112L (en) 1972-12-04
IE38112B1 IE38112B1 (en) 1978-01-04

Family

ID=22532855

Family Applications (1)

Application Number Title Priority Date Filing Date
IE757/72A IE38112B1 (en) 1971-06-04 1972-06-02 Multiple molding of plastics optical lenses

Country Status (6)

Country Link
AT (1) AT343350B (en)
CA (1) CA973671A (en)
CH (1) CH550653A (en)
GB (1) GB1347821A (en)
IE (1) IE38112B1 (en)
IL (1) IL39580A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU3089989A (en) * 1988-03-02 1989-09-07 Pilkington Visioncare Holdings Inc. Method and apparatus for molding and casting using gated dies having parametric molding surfaces

Also Published As

Publication number Publication date
IE38112B1 (en) 1978-01-04
ATA478672A (en) 1977-09-15
AT343350B (en) 1978-05-26
IL39580A0 (en) 1972-07-26
GB1347821A (en) 1974-02-27
CH550653A (en) 1974-06-28
IL39580A (en) 1975-03-13
CA973671A (en) 1975-09-02

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