RO83283B1 - Procedeu de obtinere a matritelor pentru lentile si oglinzi fresnel - Google Patents

Procedeu de obtinere a matritelor pentru lentile si oglinzi fresnel

Info

Publication number
RO83283B1
RO83283B1 RO104626A RO10462681A RO83283B1 RO 83283 B1 RO83283 B1 RO 83283B1 RO 104626 A RO104626 A RO 104626A RO 10462681 A RO10462681 A RO 10462681A RO 83283 B1 RO83283 B1 RO 83283B1
Authority
RO
Romania
Prior art keywords
mirrors
layer
fresnel lens
manufacturing mould
fresnel lenses
Prior art date
Application number
RO104626A
Other languages
English (en)
Other versions
RO83283A2 (ro
Inventor
Petre Dodoc
Original Assignee
Petre Dodoc
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 Petre Dodoc filed Critical Petre Dodoc
Priority to RO104626A priority Critical patent/RO83283B1/ro
Publication of RO83283A2 publication Critical patent/RO83283A2/ro
Publication of RO83283B1 publication Critical patent/RO83283B1/ro

Links

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

Inventia se refera la un procedeu de obtinere a matritelor pentru realizarea lentilelor, oglinzilor si prismelor de tip Fresnel prin presare injectiei ori turnmate. Procedeul de obtinere a matritelor pentru lentile si oglinzi Fresnel consta în executarea prin aschiere a unui profil activ pe un suport identic cu piesa finita crom luicios un strat de nichel si un strat de cupru dupa care se deschide matrita obtinuta de suport si se dizolva stratul de argint.
RO104626A 1981-06-19 1981-06-19 Procedeu de obtinere a matritelor pentru lentile si oglinzi fresnel RO83283B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO104626A RO83283B1 (ro) 1981-06-19 1981-06-19 Procedeu de obtinere a matritelor pentru lentile si oglinzi fresnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO104626A RO83283B1 (ro) 1981-06-19 1981-06-19 Procedeu de obtinere a matritelor pentru lentile si oglinzi fresnel

Publications (2)

Publication Number Publication Date
RO83283A2 RO83283A2 (ro) 1984-05-23
RO83283B1 true RO83283B1 (ro) 1984-07-30

Family

ID=20110103

Family Applications (1)

Application Number Title Priority Date Filing Date
RO104626A RO83283B1 (ro) 1981-06-19 1981-06-19 Procedeu de obtinere a matritelor pentru lentile si oglinzi fresnel

Country Status (1)

Country Link
RO (1) RO83283B1 (ro)

Also Published As

Publication number Publication date
RO83283A2 (ro) 1984-05-23

Similar Documents

Publication Publication Date Title
DE69516641D1 (de) Verfahren zur Füllung einer Giessform für die Herstellung einer optischen Linse
ES467649A1 (es) Un metodo perfeccionado de fabricar una lente
MX149945A (es) Mejoras en molde para lente de contacto
ATE36827T1 (de) Vorrichtung und verfahren zum spritzgiessen von linsen.
ES2123237T3 (es) Metodo de moldear por vaciado lentes de contacto toricas.
BE774084A (fr) Procede, moule et entretoise de moulage pour la fabrication de lentilles de contact, en particulier de lentilles de contact souples
ES516490A0 (es) Perfeccionamientos en un molde de colada por inyeccion de cavidades multiples.
DK133780A (da) Fremgangsmaade til fremstilling af interferon
DE68914609D1 (de) Kokillen-Oszillationsverfahren für Vertikalstranggussanlage.
FR2397278A1 (fr) Procede et moule pour la fabrication en matiere synthetique de piece pour monture de lunettes
IT1088998B (it) Procedimento di fabbricazione di stampi per montature di occhiali
RO83283B1 (ro) Procedeu de obtinere a matritelor pentru lentile si oglinzi fresnel
FR2795361B1 (fr) Procede de moulage de lentilles ophtalmiques
ES451681A1 (es) Un molde para producir un elemento de lente de faro y metodode fabricacion de dicho molde.
ATE333964T1 (de) Verfahren zum herstellen eines werkzeugs für optische kunststoffelemente
FR2380117A1 (fr) Procede et dispositif pour le moulage par injection de lentilles ou verres
IT7824506A0 (it) Impianto per la fabbricazione di mezze forme in staffa.
IT7825679A0 (it) Formatrice di fonderia per la fabbricazione di mezze forme in staffa.
FR2340912A1 (fr) Procede de fabrication de lentilles intraoculaires artificielles
GB1514701A (en) Electric analogue wristwatch
JPS57187224A (en) Manufacture of lens unit at assembled optical system
PT84361B (pt) Molde para a producao de lentes organicas por moldagem
JPS578040A (en) Method of molding miniature type gear for use in timepiece
JPS5772810A (en) Production of precise metal mold
JPS52146723A (en) Mold manufacturing for precision casting