JPH03125192U

JPH03125192U -

Info

Publication number: JPH03125192U
Application number: JP3388290U
Authority: JP
Priority date: 1990-03-29
Filing date: 1990-03-29
Publication date: 1991-12-18

Description

[Brief explanation of the drawing]

図面は本考案の実施例を示すもので、第１図は
一部切欠簡略斜視図、第２図はドアを閉止した状
態における縦断面図、第３図は横断面図、第４図
は蝶番金具の斜視図、第５図はノブ装着部の縦断
正面図、第６図はノブの斜視図、第７図は本考案
の別な実施例を示す縦断面図である。１……ドア本体、２ａ，２ｂ……上下框材、２
ｃ，２ｃ……左右框材、３，３′…表裏木質化粧
面材、４……防虫性芯材、５……ドア枠体、５ａ
，５ｂ……上下枠、５…ｃ，５ｃ……左右縦枠、
６……隙間、７，８，１１……防火性発泡材。 The drawings show an embodiment of the present invention: Fig. 1 is a partially cutaway simplified perspective view, Fig. 2 is a vertical sectional view with the door closed, Fig. 3 is a cross sectional view, and Fig. 4 is a hinge. FIG. 5 is a perspective view of the metal fitting, FIG. 5 is a longitudinal sectional front view of the knob mounting portion, FIG. 6 is a perspective view of the knob, and FIG. 7 is a longitudinal sectional view showing another embodiment of the present invention. 1... Door body, 2a, 2b... Upper and lower frame materials, 2
c, 2c...Left and right frame materials, 3, 3'...Front and back wooden decorative surface materials, 4...Insect-proof core material, 5...Door frame, 5a
, 5b...Upper and lower frames, 5...c, 5c...Left and right vertical frames,
6... Gap, 7, 8, 11... Fire retardant foam material.

Claims

[Scope of utility model registration request]

A wooden door unit consisting of a wooden door body whose interior is filled with a fire-retardant core material, and a wooden door frame disposed around the door body, the upper end surface and left and right side end surfaces of the wooden door body; A fire-retardant foam material that expands in volume when heated is provided on the upper frame and the inner surfaces of the left and right vertical frames of the wooden door frame, and the fire-retardant foam material expands when the door body is closed.
A wooden door unit characterized in that the facing surfaces of fire-retardant foam materials are offset from each other in the door thickness direction.