JPS6358637U - - Google Patents

Description

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

図は本案の実施例を示し、第１図は本案の危険
物用ドラフトチヤンバーの垂直断面図、第２図は
同正面図、第３図は第１図のＡ―Ａ線断面図であ
る。 図中１はドラフトチヤンバーを構成する作業室
、２は覗き窓、４は作業用手袋、５は外気取入口
、７は排気口、７ａは排気用ダクト、８は給気吹
出しノズル、９はエアカーテン、１１，１２はフ
イルターである。 The figures show an embodiment of the present invention, and FIG. 1 is a vertical sectional view of the draft chamber for dangerous goods of the present invention, FIG. 2 is a front view of the same, and FIG. 3 is a sectional view taken along the line A--A in FIG. . In the figure, 1 is a working room constituting a draft chamber, 2 is a viewing window, 4 is a work glove, 5 is an outside air intake port, 7 is an exhaust port, 7a is an exhaust duct, 8 is a supply air blowing nozzle, and 9 is a Air curtains 11 and 12 are filters.

Claims (1)

【実用新案登録請求の範囲】 １ 作業室の上部前方に覗き窓を開閉可能に取付
け、該作業室前方内面に作業用手袋を気密に取付
け、フイルターおよびフアンを通つて該作業室内
の空気が循環するよう構成し、該作業室壁の適宜
部分に外気取入口を設けまた該フイルターの下流
側に排気口を設けてなる危険物用ドラフトチヤン
バー。 ２ 循環空気の一部により覗き窓の内面にエアカ
ーテンを形成する如く給気吹出しノズルを設けて
なる実用新案登録請求の範囲第１項記載の危険物
用ドラフトチヤンバー。[Claims for Utility Model Registration] 1. A viewing window is installed at the front of the upper part of the work room so that it can be opened and closed, work gloves are airtightly installed on the inner surface of the front of the work room, and the air in the work room is circulated through a filter and a fan. A draft chamber for hazardous materials, comprising an outside air intake port provided at an appropriate portion of the wall of the work chamber, and an exhaust port provided downstream of the filter. 2. A draft chamber for hazardous materials according to claim 1, which is provided with a supply air blowing nozzle so as to form an air curtain on the inner surface of the viewing window with a part of the circulating air.