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    GLASS BENDING PROCESS
    18.
    发明授权
    GLASS BENDING PROCESS 有权

    公开(公告)号：EP2173675B1

    公开(公告)日：2018-11-07

    申请号：EP08742613.6

    申请日：2008-04-07

    申请人： Pilkington North America, Inc.

    发明人： BOISSELLE, Robert, J. ,  KLEMAN, Thomas, G. ,  LUBELSKI, Daniel, P.

    IPC分类号： C03B23/03 ,  C03B23/035 ,  C03B35/16 ,  C03B40/00

    CPC分类号： C03B23/03 ,  C03B23/0352 ,  C03B35/16 ,  C03B40/005 ,  C03B2225/02

    摘要： A glass bending line for quickly shaping a complex bent glass sheet is provided that includes moving a ring-type female mold, which has a heated glass sheet placed on it, and a full face heated male mold, toward one another. Upon making shaping contact between the glass sheet and the male mold, a vacuum is applied through holes extending through the male mold, for a time sufficient to form the glass sheet to a desired shape. When the glass sheet has been shaped, the vacuum is terminated and pressurized air is connected to the holes to release the bent glass sheet from the male mold. The bent glass sheet is then quickly transported to a quenching station or an annealing station on a continuous conveying device. Hence, the complex bent glass sheet is achieved without the use of a shuttle ring.

    METHOD FOR MANUFACTURING AN OPTICAL UNIT COMPRISING A PLURALITY OF ASPHERICAL GLASS SHEETS
    19.
    发明公开
    METHOD FOR MANUFACTURING AN OPTICAL UNIT COMPRISING A PLURALITY OF ASPHERICAL GLASS SHEETS 审中-公开
    制造包含多个非球形玻璃片的光学单元的方法

    公开(公告)号：EP3283444A1

    公开(公告)日：2018-02-21

    申请号：EP16726163.5

    申请日：2016-04-15

    申请人： Istituto Nazionale di Astrofisica

    发明人： BASSO, Stefano ,  CIVITANI, Marta Maria ,  PARESCHI, Giovanni

    IPC分类号： C03B23/035 ,  C03B40/00 ,  G21K1/06

    摘要： Method for manufacturing an optical unit (1) comprising a plurality of glass-sheets (2) having an aspherical shape, arranged superimposed and spaced apart to form a stack (10), comprising the steps of: - arranging either a pre-bent or a flat glass-sheet (2) on a reference surface (5) having the geometry desired to be reproduced; - cold-deforming said glass-sheet (2) so as to adhere it onto the reference surface (5); - integrating said glass-sheet (2) with a preceding element (4, 2) of said stack (10) in a predetermined relative position; and - repeating the preceding steps till stack completion. The integration step comprises fastening said glass-sheet (2) in a position spaced from the preceding element (4, 12) of the stack (10) by means of bars (3) arranged spaced apart from one another.