Title:
MANUFACTURE OF SPECTACLE LENS AND DEVICE THEREOF
Document Type and Number:
Japanese Patent JP3829435
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method in which a processing plate and a large amount of forms for molding are made unnecessary, and even an inner side progressive multifocus spectacle lens can be manufactured in a short time of delivery and at a low cost.
SOLUTION: A calculating process 102 to calculate the combination of curved surface to satisfy a prescription, and produce a data for NC processing; a process 103 to select a semifinish lens corresponding to the prescription; and a process 106 to NC process the inner side or the outer side of the semifinish lens depending on the data for NC process, and create in a desired curved surface form; are provided. Various sorts and types of spectacle lenses including an inner surface progressive multifocus lens are made possible to be manufactured at a low cost and in a short time of delivery, by making it possible to manufacture a spectacle lens by the NC process.
Inventors:
Miyazawa Shin
Nakajima Mikito
Noboru Usui
Nakajima Mikito
Noboru Usui
Application Number:
JP27784197A
Publication Date:
October 04, 2006
Filing Date:
October 09, 1997
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
B24B13/06; G02C7/06; B23B5/36; B23Q15/00; B24B13/00; B24B49/04; G02C13/00; (IPC1-7): B24B13/00; B23Q15/00; B24B13/06; B24B49/04; G02C7/06; G02C13/00; //B23B5/36
Domestic Patent References:
| JP4304961A | ||||
| JP2109672A | ||||
| JP63237025A | ||||
| JP7024716A | ||||
| JP5057606A |
Attorney, Agent or Firm:
Masahiko Ueyanagi
Osamu Suzawa
Osamu Suzawa
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