FR1212444A - Process for manufacturing profiled blanks for lenses in deformable synthetic resin, and products obtained by this process - Google Patents

Process for manufacturing profiled blanks for lenses in deformable synthetic resin, and products obtained by this process

Info

Publication number
FR1212444A
FR1212444A FR1212444DA FR1212444A FR 1212444 A FR1212444 A FR 1212444A FR 1212444D A FR1212444D A FR 1212444DA FR 1212444 A FR1212444 A FR 1212444A
Authority
FR
France
Prior art keywords
lenses
synthetic resin
products obtained
deformable synthetic
manufacturing profiled
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
Other languages
French (fr)
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.)
Combined Optical Industries Ltd
Original Assignee
Combined Optical Industries Ltd
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 Combined Optical Industries Ltd filed Critical Combined Optical Industries Ltd
Application granted granted Critical
Publication of FR1212444A publication Critical patent/FR1212444A/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
    • B29D11/00028—Bifocal lenses; Multifocal lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
FR1212444D 1958-10-16 1958-10-16 Process for manufacturing profiled blanks for lenses in deformable synthetic resin, and products obtained by this process Expired FR1212444A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1212444T 1958-10-16

Publications (1)

Publication Number Publication Date
FR1212444A true FR1212444A (en) 1960-03-23

Family

ID=9676095

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1212444D Expired FR1212444A (en) 1958-10-16 1958-10-16 Process for manufacturing profiled blanks for lenses in deformable synthetic resin, and products obtained by this process

Country Status (1)

Country Link
FR (1) FR1212444A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1239496B (en) * 1963-02-14 1967-04-27 L O R Lentilles Ophthalmiques Preform for multi-strength eye lenses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1239496B (en) * 1963-02-14 1967-04-27 L O R Lentilles Ophthalmiques Preform for multi-strength eye lenses

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