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Patent Searching and Data


Title:
PLASTERBOARD MANUFACTURING METHOD AND PLASTERBOARD
Document Type and Number:
WIPO Patent Application WO/2019/082433
Kind Code:
A1
Abstract:
Provided is a plasterboard manufacturing method which comprises a forming step for forming a plate-shaped formed body including plaster slurry and cover base paper disposed to cover at least a portion of a surface of the plaster slurry, wherein, in a cross-section of the formed body, the cross-section being perpendicular to the longitudinal direction, the cover base paper completely covers the outer periphery of the plaster slurry and partially overlaps itself, and the distance between an end section of the formed body in the width direction and a step part produced by the overlap of the cover base paper itself is 15 mm or more.

Inventors:
TSUNO NORIO (JP)
AMIKURA SHUNJI (JP)
ISHIBASHI SEIGO (JP)
Application Number:
PCT/JP2018/021028
Publication Date:
May 02, 2019
Filing Date:
May 31, 2018
Export Citation:
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Assignee:
YOSHINO GYPSUM CO (JP)
International Classes:
B32B13/08; B32B37/14; E04B9/04
Domestic Patent References:
WO2014208226A12014-12-31
WO2003080329A12003-10-02
Foreign References:
JPS5154608A1976-05-13
JPS58181715U1983-12-03
JP2003293515A2003-10-15
JPH0313325A1991-01-22
JP2017204776A2017-11-16
Other References:
See also references of EP 3702148A4
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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