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FR931568A - Nouveau procédé de fabrication de pièces optiques en résines synthétiques - Google Patents

Nouveau procédé de fabrication de pièces optiques en résines synthétiques

Info

Publication number
FR931568A
FR931568A FR931568DA FR931568A FR 931568 A FR931568 A FR 931568A FR 931568D A FR931568D A FR 931568DA FR 931568 A FR931568 A FR 931568A
Authority
FR
France
Prior art keywords
manufacturing process
synthetic resins
optical parts
new manufacturing
new
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
English (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.)
Societe Generale de Constructions Electriques et Mecaniques
Cegelec SA
Original Assignee
Societe Generale de Constructions Electriques et Mecaniques
Cegelec SA
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 Societe Generale de Constructions Electriques et Mecaniques , Cegelec SA filed Critical Societe Generale de Constructions Electriques et Mecaniques
Application granted granted Critical
Publication of FR931568A publication Critical patent/FR931568A/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
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/0048—Moulds for lenses
    • B29D11/005—Moulds for lenses having means for aligning the front and back moulds
    • 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
    • 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)
FR931568D 1941-10-13 1941-10-13 Nouveau procédé de fabrication de pièces optiques en résines synthétiques Expired FR931568A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR931568T 1941-10-13

Publications (1)

Publication Number Publication Date
FR931568A true FR931568A (fr) 1948-02-26

Family

ID=9454425

Family Applications (1)

Application Number Title Priority Date Filing Date
FR931568D Expired FR931568A (fr) 1941-10-13 1941-10-13 Nouveau procédé de fabrication de pièces optiques en résines synthétiques

Country Status (1)

Country Link
FR (1) FR931568A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2462988A1 (fr) * 1979-08-10 1981-02-20 American Optical Corp Joint pour le moulage de lentilles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2462988A1 (fr) * 1979-08-10 1981-02-20 American Optical Corp Joint pour le moulage de lentilles

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