DRILL JIG FOR SPECTACLE LENS MANUFACTURE JIG THEREOF, METHOD OF DRILLING FOR SPECTACLE LENS, AND SPECTACLE LENS

摘要

A DRILL JIG (20, 50) FOR A SPECTACLE LENS (2, 102, 202, 302, 402) FORMS A CLOSED-END HOLE (9) IN AN EDGED FACE (2A, 102A, 202A, 302A, 402A) OF THE SPECTACLE LENS (2, 102, 202, 302, 402) WHICH EXTENDS INSIDE THE LENS, A MANUFACTURE JIG (70) THEREOF, A METHOD OF DRILLING A SPECTACLE LENS (2, 102, 202, 302, 402), AND A SPECTACLE LENS (2, 102, 202, 302, 402). THE DRILL JIG (20, 50) IS COMPOSED OF A JIG BODY (21, 51) AND A PLURALITY OF SUPPORT MEMBERS ATTACHED TO THE JIG BODY (21, 51). THE SPECTACLE LENS (2, 102, 202, 302, 402) IS INSERTED ANDTIGHTLY RETAINED IN AN OPENING (25, 55) OF THE JIG BODY (21, 51) AND SUPPORTED BY A PLURALITY OF THE SUPPORT MEMBERS. A DRILL (37) OF A DRILL PRESS (36), ON WHICH THE DRILL JIG (20, 50) IS SET, TOUCHES THE EDGED FACE (2A, 102A, 202A, 302A, 402A) OF THE SPECTACLE LENS (2, 102, 202, 302, 402) WHILE BEING GUIDED BY A GUIDE PORTION (35, 65, 365, 465, 565) TO THEREBY FORM THE CLOSED-END HOLE (9) IN THE EDGED FACE (2A, 102A, 202A, 302A, 402A). (FIG. 6)