AU441066B2 - Ophthalmic lenses and method for their manufacture - Google Patents

Ophthalmic lenses and method for their manufacture

Info

Publication number
AU441066B2
AU441066B2 AU27644/71A AU2764471A AU441066B2 AU 441066 B2 AU441066 B2 AU 441066B2 AU 27644/71 A AU27644/71 A AU 27644/71A AU 2764471 A AU2764471 A AU 2764471A AU 441066 B2 AU441066 B2 AU 441066B2
Authority
AU
Australia
Prior art keywords
manufacture
ophthalmic lenses
ophthalmic
lenses
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.)
Expired
Application number
AU27644/71A
Other versions
AU2764471A (en
Inventor
William Schuler Norman
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.)
Polaroid Corp
Original Assignee
Polaroid 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 Polaroid Corp filed Critical Polaroid Corp
Priority to AU27644/71A priority Critical patent/AU441066B2/en
Publication of AU2764471A publication Critical patent/AU2764471A/en
Application granted granted Critical
Publication of AU441066B2 publication Critical patent/AU441066B2/en
Expired 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
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/0073—Optical laminates
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
AU27644/71A 1971-04-14 1971-04-14 Ophthalmic lenses and method for their manufacture Expired AU441066B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU27644/71A AU441066B2 (en) 1971-04-14 1971-04-14 Ophthalmic lenses and method for their manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU27644/71A AU441066B2 (en) 1971-04-14 1971-04-14 Ophthalmic lenses and method for their manufacture

Publications (2)

Publication Number Publication Date
AU2764471A AU2764471A (en) 1972-10-19
AU441066B2 true AU441066B2 (en) 1973-10-02

Family

ID=3715920

Family Applications (1)

Application Number Title Priority Date Filing Date
AU27644/71A Expired AU441066B2 (en) 1971-04-14 1971-04-14 Ophthalmic lenses and method for their manufacture

Country Status (1)

Country Link
AU (1) AU441066B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU572606B2 (en) * 1984-01-04 1988-05-12 K-Corp. of Japan Glasses with polariser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU572606B2 (en) * 1984-01-04 1988-05-12 K-Corp. of Japan Glasses with polariser

Also Published As

Publication number Publication date
AU2764471A (en) 1972-10-19

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