CA1119763A - Methode de demoulage de verres ophtalmiques - Google Patents

Methode de demoulage de verres ophtalmiques

Info

Publication number
CA1119763A
CA1119763A CA000320134A CA320134A CA1119763A CA 1119763 A CA1119763 A CA 1119763A CA 000320134 A CA000320134 A CA 000320134A CA 320134 A CA320134 A CA 320134A CA 1119763 A CA1119763 A CA 1119763A
Authority
CA
Canada
Prior art keywords
mold
lens
optical surface
solid
container
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
CA000320134A
Other languages
English (en)
Inventor
Charles W. Neefe
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.)
Individual
Original Assignee
Individual
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
Priority claimed from US05/875,857 external-priority patent/US4155962A/en
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA1119763A publication Critical patent/CA1119763A/fr
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
    • B29D11/00932—Combined cutting and grinding thereof
    • B29D11/00942—Combined cutting and grinding thereof where the lens material is mounted in a support for mounting onto a cutting device, e.g. a lathe, and where the support is of machinable material, e.g. plastics

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
CA000320134A 1978-02-07 1979-01-23 Methode de demoulage de verres ophtalmiques Expired CA1119763A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/875,857 US4155962A (en) 1977-05-25 1978-02-07 Method of removing molded lenses from the mold
US875,857 1992-04-29

Publications (1)

Publication Number Publication Date
CA1119763A true CA1119763A (fr) 1982-03-16

Family

ID=25366480

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000320134A Expired CA1119763A (fr) 1978-02-07 1979-01-23 Methode de demoulage de verres ophtalmiques

Country Status (2)

Country Link
CA (1) CA1119763A (fr)
GB (1) GB2014896B (fr)

Also Published As

Publication number Publication date
GB2014896B (en) 1982-05-19
GB2014896A (en) 1979-09-05

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Legal Events

Date Code Title Description
MKEX Expiry