FR2305270A1 - Procede de fabrication d'un poincon de presse - Google Patents

Procede de fabrication d'un poincon de presse

Info

Publication number
FR2305270A1
FR2305270A1 FR7606994A FR7606994A FR2305270A1 FR 2305270 A1 FR2305270 A1 FR 2305270A1 FR 7606994 A FR7606994 A FR 7606994A FR 7606994 A FR7606994 A FR 7606994A FR 2305270 A1 FR2305270 A1 FR 2305270A1
Authority
FR
France
Prior art keywords
epoxy resin
contact lenses
production
metal coated
coated ceramic
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.)
Granted
Application number
FR7606994A
Other languages
English (en)
French (fr)
Other versions
FR2305270B3 (enExample
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.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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 Agfa Gevaert AG filed Critical Agfa Gevaert AG
Publication of FR2305270A1 publication Critical patent/FR2305270A1/fr
Application granted granted Critical
Publication of FR2305270B3 publication Critical patent/FR2305270B3/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
    • 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
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • 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
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2063/00—Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material
    • 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
    • B29L2011/0041—Contact lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Surface Treatment Of Glass (AREA)
FR7606994A 1975-03-27 1976-03-11 Procede de fabrication d'un poincon de presse Granted FR2305270A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752513777 DE2513777A1 (de) 1975-03-27 1975-03-27 Verfahren zur herstellung eines pressstempels

Publications (2)

Publication Number Publication Date
FR2305270A1 true FR2305270A1 (fr) 1976-10-22
FR2305270B3 FR2305270B3 (enExample) 1978-12-15

Family

ID=5942645

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7606994A Granted FR2305270A1 (fr) 1975-03-27 1976-03-11 Procede de fabrication d'un poincon de presse

Country Status (2)

Country Link
DE (1) DE2513777A1 (enExample)
FR (1) FR2305270A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165158A (en) * 1977-07-25 1979-08-21 American Optical Corporation Cast contact lenses and method for making same
DE3304073A1 (de) * 1983-02-07 1984-08-09 Alban 5456 Rheinbrohl Pütz Verfahren zur erstellung von formen fuer das spritzgiessen, insbesondere von werkzeugen fuer das spritzgiessen von kunststoff
DE4002029A1 (de) * 1990-01-24 1991-07-25 Peter Hoefer Verfahren zur herstellung von kontaktlinsen und kontaktlinsenfertigungssystem

Also Published As

Publication number Publication date
DE2513777A1 (de) 1976-10-07
FR2305270B3 (enExample) 1978-12-15

Similar Documents

Publication Publication Date Title
FR2305270A1 (fr) Procede de fabrication d'un poincon de presse
ES8202706A1 (es) Un metodo de fabricar una matriz perfilada
JPS5328974A (en) Apparatus fo producing bulb
JPS51135503A (en) Information recording media production method
JPS51127680A (en) Manufacturing process of semiconductor device
JPS55156030A (en) Manufacture of coated lens
JPS5440602A (en) Production of stylus
JPS53131300A (en) Production of silicon oxide film
JPS5212823A (en) Diaphram for speakers
JPS5220295A (en) Method of manufactur of magnetic thin film
JPS53125046A (en) Production of aspherical face
JPS57203397A (en) Speaker diaphragm
JPS5249150A (en) Metal bell manufacturing method
JPS5438106A (en) Mirror making method
JPS5232694A (en) Manufacturing method of solid pickup device
JPS5240070A (en) Process for production of semiconductor device
JPS51135664A (en) Method for producing a deflecting plate
JPS51145148A (en) Method of manufacturing a door
JPS5220294A (en) Method of and apparatus for manufacturing compound thin film
JPS51121487A (en) Apparatus for producing a thin film
JPS51115695A (en) Manufacturing method of thin plate magnet
JPS5269266A (en) Production of semiconductor device
JPS5217838A (en) Manufacturing method of synthetic resin mirror
JPS5219285A (en) Method of manufacturing terminal plate material
JPS52119204A (en) Magnetic disc production