JPS60141858U - fire door - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

゛第１図はこの考案の第１実施例を示す要部横断　゛面
図、笹２図は同発泡後の状態を示す断面図、第３図、第
４図は第２、第３実施例の要部横断面図、第５図は第３
実施例の発泡後の状態を示す断面図、第６図、第７図は
第４、第５実施例の要部　　。 横断面図である。゛Figure 1 is a cross-sectional view of the main part showing the first embodiment of this invention, Figure 2 is a sectional view showing the state after foaming, and Figures 3 and 4 are the second and third embodiments. Figure 5 is a cross-sectional view of the main part of
A cross-sectional view showing the state after foaming of the embodiment, and FIGS. 6 and 7 are main parts of the fourth and fifth embodiments. FIG.

Claims (1)

【実用新案登録請求の範囲】 （１）ドアとドア枠４の当接または対向する部分〜　に
、加熱時に発泡性を有する耐熱性不燃材料を設けたこと
を特徴とする防火用ドア。 （２）耐熱性不燃材料がドアの内面四周と当接するドア
枠の気密パツキンと、該気密パツキンが装、　　　着さ
れるパツキン溝の溝底との間に挿入された□　　　　　
実用新案登録請求の範囲第１項記載の防火用ドア。 （３）耐熱性不燃材料がドアの内面四周と当接する′ド
ア枠の気密パツキンの中空穴内に坤入された実用新案登
録請求の範囲第１項記載の防火用ド′、ア。　　　　　
　　　　　　　　　　　　　　　：（４）耐熱性不燃材
料がドア枠の内面との間に隙間を形成する如くドアの端
面に装着された実用新案登録請求の範囲第１項記載の防
火用ド゛ア。 （５）耐熱性不燃材料がドアや端面との間に隙間を形成
する如（ドア枠の内面辷装着された実用新案登録請求の
範囲第１項記載の防火用ドア。[Claims for Utility Model Registration] (1) A fire prevention door characterized in that a heat-resistant, noncombustible material that foams when heated is provided at the abutting or opposing portions of the door and door frame 4. (2) A heat-resistant, noncombustible material is inserted between the airtight gasket of the door frame that contacts the four inner circumferences of the door and the bottom of the gasket groove where the airtight gasket is installed.
A fire prevention door according to claim 1 of the utility model registration claim. (3) A fire prevention door according to claim 1, in which a heat-resistant, noncombustible material is inserted into a hollow hole in an airtight gasket of a door frame that comes into contact with the inner circumference of the door.
(4) The fire prevention door according to claim 1, wherein the heat-resistant noncombustible material is attached to the end face of the door so as to form a gap with the inner surface of the door frame. (5) The fire prevention door according to claim 1, in which the heat-resistant noncombustible material is attached to the inner surface of the door frame so as to form a gap between the door and the end surface.