Title:
PLATE GLASS PRODUCTION METHOD AND SPLITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/130750
Kind Code:
A1
Abstract:
This plate glass production method is for a plate glass G in a vertical attitude, the plate glass G comprising a first region G1 and a second region G2 arranged to be adjacent in the width direction, and a scribe line S formed in the boundary portion of the regions G1, G2, on the side of the respective front surfaces Ga, Gx thereof, the method comprising a splitting step for applying, on the second region G2, a force directed toward the side of a back surface Gy by way of an external force application unit 4 in a state wherein a region of the first region G1 along the scribe line S is in contact with and supported by a supporting unit 3, thereby splitting the plate glass G along the scribe line S. As a pre-step to the splitting step, the mehod comprises an adjustment step for adjusting in the width direction at least one among the position at which the support unit 3 comes into contact with the first region G1, and the position at which the external force application unit 4 comes into contact with the second region G2.
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Inventors:
KISHIDA TSUTOMU (JP)
Application Number:
PCT/JP2021/037438
Publication Date:
June 23, 2022
Filing Date:
October 08, 2021
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
International Classes:
B26F3/00; C03B33/033; B28D5/00; B28D7/04
Domestic Patent References:
| WO2020217910A1 | 2020-10-29 | |||
| WO2015083530A1 | 2015-06-11 | |||
| WO2015098768A1 | 2015-07-02 | |||
| WO2017104386A1 | 2017-06-22 | |||
| WO2017110349A1 | 2017-06-29 | |||
| WO2017199681A1 | 2017-11-23 |
Foreign References:
| JP2017226549A | 2017-12-28 | |||
| JP2005162604A | 2005-06-23 | |||
| US20170174549A1 | 2017-06-22 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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