FR1071974A - Method and device for the manufacture of lenses - Google Patents

Method and device for the manufacture of lenses

Info

Publication number
FR1071974A
FR1071974A FR1071974DA FR1071974A FR 1071974 A FR1071974 A FR 1071974A FR 1071974D A FR1071974D A FR 1071974DA FR 1071974 A FR1071974 A FR 1071974A
Authority
FR
France
Prior art keywords
lenses
manufacture
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.)
Mueller Werlt GmbH
Original Assignee
Mueller Werlt GmbH
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 Mueller Werlt GmbH filed Critical Mueller Werlt GmbH
Application granted granted Critical
Publication of FR1071974A publication Critical patent/FR1071974A/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
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C45/561—Injection-compression moulding
    • 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
    • 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
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; 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
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
FR1071974D 1951-12-29 1952-12-27 Method and device for the manufacture of lenses Expired FR1071974A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1071974X 1951-12-29

Publications (1)

Publication Number Publication Date
FR1071974A true FR1071974A (en) 1954-09-07

Family

ID=7719888

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1071974D Expired FR1071974A (en) 1951-12-29 1952-12-27 Method and device for the manufacture of lenses

Country Status (1)

Country Link
FR (1) FR1071974A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1113794B (en) * 1959-11-10 1961-09-14 Rodenstock Optik G Apparatus for molding lenses, etc. from glass at high pressure and high temperature
EP0003695A1 (en) * 1978-02-07 1979-08-22 ESSILOR INTERNATIONAL Compagnie Générale d'Optique Mold assembly for molding a flexible contact lens
FR2437286A1 (en) * 1978-09-28 1980-04-25 Gen Electric INJECTION AND COMPRESSION THERMOPLASTIC RESIN MOLDING APPARATUS
CN115609851A (en) * 2022-10-31 2023-01-17 广州卫视博生物科技有限公司 Forming die of posterior sclera reinforcing part

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1113794B (en) * 1959-11-10 1961-09-14 Rodenstock Optik G Apparatus for molding lenses, etc. from glass at high pressure and high temperature
EP0003695A1 (en) * 1978-02-07 1979-08-22 ESSILOR INTERNATIONAL Compagnie Générale d'Optique Mold assembly for molding a flexible contact lens
FR2416104A1 (en) * 1978-02-07 1979-08-31 Essilor Int MOLDING DEVICE, IN PARTICULAR FOR SOFT CONTACT LENS
FR2437286A1 (en) * 1978-09-28 1980-04-25 Gen Electric INJECTION AND COMPRESSION THERMOPLASTIC RESIN MOLDING APPARATUS
CN115609851A (en) * 2022-10-31 2023-01-17 广州卫视博生物科技有限公司 Forming die of posterior sclera reinforcing part

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