FR2269413B1 - - Google Patents

Info

Publication number
FR2269413B1
FR2269413B1 FR7415328A FR7415328A FR2269413B1 FR 2269413 B1 FR2269413 B1 FR 2269413B1 FR 7415328 A FR7415328 A FR 7415328A FR 7415328 A FR7415328 A FR 7415328A FR 2269413 B1 FR2269413 B1 FR 2269413B1
Authority
FR
France
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
FR7415328A
Other languages
French (fr)
Other versions
FR2269413A1 (en
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
Application filed by Individual filed Critical Individual
Priority to FR7415328A priority Critical patent/FR2269413A1/en
Priority to DE19752519708 priority patent/DE2519708C3/en
Priority to CH575475A priority patent/CH588342A5/xx
Publication of FR2269413A1 publication Critical patent/FR2269413A1/en
Application granted granted Critical
Publication of FR2269413B1 publication Critical patent/FR2269413B1/fr
Granted 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
    • B29D11/00038—Production of contact lenses
    • B29D11/00076—Production of contact lenses enabling passage of fluids, e.g. oxygen, tears, between the area under the lens and the lens exterior
    • 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
    • B29D11/00932—Combined cutting and grinding thereof
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • 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)
  • Prostheses (AREA)
  • Eyeglasses (AREA)
FR7415328A 1974-05-03 1974-05-03 Contact lens shaped after optical finishing - by pressing onto variable mould adjusted to simulate eye Granted FR2269413A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7415328A FR2269413A1 (en) 1974-05-03 1974-05-03 Contact lens shaped after optical finishing - by pressing onto variable mould adjusted to simulate eye
DE19752519708 DE2519708C3 (en) 1974-05-03 1975-05-02 Method and apparatus for manufacturing contact lenses
CH575475A CH588342A5 (en) 1974-05-03 1975-05-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7415328A FR2269413A1 (en) 1974-05-03 1974-05-03 Contact lens shaped after optical finishing - by pressing onto variable mould adjusted to simulate eye

Publications (2)

Publication Number Publication Date
FR2269413A1 FR2269413A1 (en) 1975-11-28
FR2269413B1 true FR2269413B1 (en) 1979-01-26

Family

ID=9138410

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7415328A Granted FR2269413A1 (en) 1974-05-03 1974-05-03 Contact lens shaped after optical finishing - by pressing onto variable mould adjusted to simulate eye

Country Status (1)

Country Link
FR (1) FR2269413A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4208365A (en) * 1978-12-20 1980-06-17 National Patent Development Corporation Method and apparatus for molding toric contact lenses

Also Published As

Publication number Publication date
FR2269413A1 (en) 1975-11-28

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Legal Events

Date Code Title Description
ST Notification of lapse