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Title:
眼鏡レンズの穴明け加工治具およびその製作治具並びに眼鏡レンズの穴明け加工方法と眼鏡レンズ
Document Type and Number:
Japanese Patent JP4281878
Kind Code:
B2
Abstract:
A drill jig for a spectacle lens used in forming a closed-end hole in an edged face of the spectacle lens to extend inside the lens, a manufacture jig thereof, a method of drilling for a spectacle lens, and a spectacle lens. The drill jig is composed of a jig body and a plurality of support members attached to the jig body. The spectacle lens is inserted and tightly retained in an opening of the jig body, and supported by a plurality of the support members. A drill of a drill press, on which the drill jig is set, touches the edged face of the spectacle lens while being guided by a guide portion to thereby form the closed-end hole in the edged face.

Inventors:
Shigeru Watanabe
Application Number:
JP53703699A
Publication Date:
June 17, 2009
Filing Date:
January 25, 1999
Export Citation:
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Assignee:
HOYA CORPORATION
International Classes:
B26F1/16; B23B47/28; B28D1/14; G02C1/02; G02C13/00
Domestic Patent References:
JP7230062A
JP3010786U
JP9038955A
Attorney, Agent or Firm:
Takeshi Ando