IL39580A - Multiple molding of plastic optical lenses - Google Patents

Multiple molding of plastic optical lenses

Info

Publication number
IL39580A
IL39580A IL39580A IL3958072A IL39580A IL 39580 A IL39580 A IL 39580A IL 39580 A IL39580 A IL 39580A IL 3958072 A IL3958072 A IL 3958072A IL 39580 A IL39580 A IL 39580A
Authority
IL
Israel
Prior art keywords
plastic optical
optical lenses
multiple molding
molding
lenses
Prior art date
Application number
IL39580A
Other languages
English (en)
Other versions
IL39580A0 (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 IL39580A0 publication Critical patent/IL39580A0/xx
Publication of IL39580A publication Critical patent/IL39580A/xx

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)
IL39580A 1971-06-04 1972-05-31 Multiple molding of plastic optical lenses IL39580A (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
IL39580A0 IL39580A0 (en) 1972-07-26
IL39580A true IL39580A (en) 1975-03-13

Family

ID=22532855

Family Applications (1)

Application Number Title Priority Date Filing Date
IL39580A IL39580A (en) 1971-06-04 1972-05-31 Multiple molding of plastic optical lenses

Country Status (6)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8900499A (nl) * 1988-03-02 1989-10-02 Pilkington Visioncare Holdings Werkwijze en inrichting voor vormen en gieten met gebruikmaking van matrijzen die van een zijkanaal zijn voorzien en parametrische vormvlakken hebben.

Also Published As

Publication number Publication date
AT343350B (de) 1978-05-26
IL39580A0 (en) 1972-07-26
CA973671A (en) 1975-09-02
ATA478672A (de) 1977-09-15
IE38112B1 (en) 1978-01-04
GB1347821A (en) 1974-02-27
CH550653A (de) 1974-06-28
IE38112L (en) 1972-12-04

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