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Patent Searching and Data


Title:
MANUFACTURING PROCESS OF PC PANEL
Document Type and Number:
Japanese Patent JP2009196333
Kind Code:
A
Abstract:

To manufacture a PC panel which is lightweight, shows durability, weatherability and strength required for an exterior wall material and includes a good textured exterior surface.

The surface layer (2) with a density of 2.3 of a hardened concrete body is formed by pouring a mixture obtained by mixing a hydraulic cement, a colored aggregate, a pigment, and water on a table vibrator (8). A back layer (3) with a density of 2.1 is formed as the back layer for the surface layer by pouring a lightweight concrete on the surface layer after the table vibrator is stopped and a prescribed drying and curing time includes elapsed. The concrete formed body (21) having a double-layered structure is released from the frame. The exterior surface (4) is surface-treated. Part of the colored aggregate is exposed on the exterior surface.


Inventors:
Miyai, Toshiaki
Application Number:
JP2008000043672
Publication Date:
September 03, 2009
Filing Date:
February 25, 2008
Export Citation:
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Assignee:
TAKAHASHI CURTAIN WALL KOGYO KK
International Classes:
B28B13/02; B28B11/00; B28B23/02
Domestic Patent References:
1987-07-30
1991-11-20
1998-02-20
1995-05-02
1998-09-29
1999-08-03
1994-11-22