ATA478672A - CASTING FORM FOR MANUFACTURING OPTICAL PLASTIC LENSES - Google Patents

CASTING FORM FOR MANUFACTURING OPTICAL PLASTIC LENSES

Info

Publication number
ATA478672A
ATA478672A AT478672A AT478672A ATA478672A AT A478672 A ATA478672 A AT A478672A AT 478672 A AT478672 A AT 478672A AT 478672 A AT478672 A AT 478672A AT A478672 A ATA478672 A AT A478672A
Authority
AT
Austria
Prior art keywords
plastic lenses
manufacturing optical
optical plastic
casting form
casting
Prior art date
Application number
AT478672A
Other languages
German (de)
Other versions
AT343350B (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 ATA478672A publication Critical patent/ATA478672A/en
Application granted granted Critical
Publication of AT343350B publication Critical patent/AT343350B/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)
AT478672A 1971-06-04 1972-06-02 CASTING FORM FOR MANUFACTURING OPTICAL PLASTIC LENSES AT343350B (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
ATA478672A true ATA478672A (en) 1977-09-15
AT343350B AT343350B (en) 1978-05-26

Family

ID=22532855

Family Applications (1)

Application Number Title Priority Date Filing Date
AT478672A AT343350B (en) 1971-06-04 1972-06-02 CASTING FORM FOR MANUFACTURING OPTICAL PLASTIC 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
GB2219241A (en) * 1988-03-02 1989-12-06 Pilkington Visioncare Holdings Method and apparatus for moulding and casting using gated dies, and for moulding constant thickness lenses

Also Published As

Publication number Publication date
IL39580A0 (en) 1972-07-26
AT343350B (en) 1978-05-26
GB1347821A (en) 1974-02-27
IE38112L (en) 1972-12-04
IL39580A (en) 1975-03-13
CH550653A (en) 1974-06-28
CA973671A (en) 1975-09-02
IE38112B1 (en) 1978-01-04

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee