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Patent Searching and Data


Title:
GLASS PLATE CUTTING/BREAKING MACHINE
Document Type and Number:
WIPO Patent Application WO/2020/084840
Kind Code:
A1
Abstract:
A cutting/breaking machine 1 for a glass plate 2 having a possible cut line 221 formed as a cut line on an upper surface, which is one surface, thereof is provided with a supporting mechanism 15 for supporting the glass plate 2 on a lower surface, which is the other surface, of the glass plate 2 and a pushing/cracking device 9 and 9a which can push and crack the glass plate 2 along the possible cut line 221, wherein the pushing/cracking device 9 and 9a is provided with a pressing body 83 which can simultaneously press a plurality of sites 81 and 82 which are positioned along the possible cut line 221 on the upper surface of the glass plate 2 in the pressing/cracking of the glass plate 2 along the possible cut line 221 at each of pressing/cracking positions P1, P2, P3, P4 and P5 on the glass plate 2.

Inventors:
BANDO KAZUAKI (JP)
Application Number:
PCT/JP2019/026812
Publication Date:
April 30, 2020
Filing Date:
July 05, 2019
Export Citation:
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Assignee:
BANDO KIKO CO (JP)
International Classes:
C03B33/033; B26F3/00; B28D5/00; B28D7/04; C03B33/03
Domestic Patent References:
WO2004096721A12004-11-11
Foreign References:
JPH11171573A1999-06-29
US1972210A1934-09-04
JP2015223818A2015-12-14
JP2017226549A2017-12-28
JP2017039271A2017-02-23
JP2017177452A2017-10-05
JPH08217475A1996-08-27
Attorney, Agent or Firm:
TAKADA, Takeshi (JP)
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