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Patent Searching and Data


Title:
木製扉の製造方法
Document Type and Number:
Japanese Patent JP4213657
Kind Code:
B2
Abstract:

To provide a wooden door which can surely bring about predetermined burning retarding performance by clarifying usage peculiar to each of silicic substances and capable of making the silicic substances function as a burning retarder depending on the kind and form of the silicic substance, or sufficiently thickening a layer of the burning retarder provided on the surface of a component member.

This wooden door D comprises: a core material 1; a flame retardant material 2 which is joined to both front and back sides thereof; a decorative material 3 which is bonded to a surface of the flame retardant material 2; and a side body 4 which is bonded on both the sides of the core material 1. The core material 1 comprises a falcata laminated plate 10 and a reinforcing member 15. In the flame retardant material 2, plywood is air-dried after being immersed in a silicic aqueous solution for twenty-four hours, and a layer of a sodium-silicate solution is provided on the surface of the plywood after drying. The layer of the sodium-silicate solution is superposed on the surface of the flame retardant material 2 in a state wherein the sodium-silicate solution is contained in a sheet 20, and provided by solidifying and bonding the sodium-silicate solution. A heated and foamed material 5 is provided on the outer peripheral part of the side body 4.

COPYRIGHT: (C)2006,JPO&NCIPI


Inventors:
Wakisaka Masayuki
Kenichi Koga
Takuro Matsuyama
Okuma Haruaki
Application Number:
JP2004355939A
Publication Date:
January 21, 2009
Filing Date:
December 08, 2004
Export Citation:
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Assignee:
Okuma Corporation
Fukuoka Prefecture
International Classes:
E06B3/84; A62C2/00; A62C2/06
Domestic Patent References:
JP2004232449A
JP49029375Y1
JP10037618A
JP2002138596A
JP7208033A
JP11131923A
JP2001271568A
JP57002703A
JP9256746A
Attorney, Agent or Firm:
Katsuhiko Kajiwara