US 2013/0220217 A1 · LENS MANUFACTURING APPARATUS

Abstract

A lens manufacturing apparatus includes a conveying unit that conveys a workpiece having a sheet member and a resin base on the sheet member, an unevenness forming unit that moves a cutting blade in a direction different from the conveying direction of the workpiece and that makes a cut in the surface of the resin base to form concave and convex portions, a resin supply unit that includes nozzles supplying a lens resin to areas, in which the concave portions are not formed, between the convex portions formed on the surface of the resin base, and a resin curing unit that cures the supplied lens resin.

Claims15

Dependent claims

A lens manufacturing apparatus comprising:

a conveying unit that conveys a workpiece comprising a sheet member and a resin base on the sheet member;
an unevenness forming unit that moves a cutting blade in a direction different from the conveying direction of the workpiece and that makes a cut in the surface of the resin base to form concave and convex portions;
a resin supply unit that has nozzles supplying a lens resin to areas, in which the concave portions are not formed, between the convex portions formed on the surface of the resin base;
and
a resin curing unit that cures the supplied lens resin.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

13/556,866Filed 24 Jul 2012

Priority

JP 2012-04109428 Feb 2012

Published

29 Aug 2013

Term ends

Not estimatedThe source records don’t support an estimate.

Classification6 codes

B29C 59/026
By mechanical means, e.g. pressing: of layered or coated substantially flat surfaces
B29C 31/042
Feeding of the material to be moulded, e.g. into a mould cavity: using dispensing heads, e.g. extruders, placed over or apart from the moulds
B29D 11/00009
Producing optical elements, e.g. lenses or prisms: production of simple or compound lenses
B29C 2035/0827
Using electromagnetic radiation: using UV radiation

Lens manufacturing apparatus

Life of this patent

Lens manufacturing apparatus

Life of this patent

Abstract

Claims15