Title:
LEAK STOPPER
Document Type and Number:
Japanese Patent JP3413283
Kind Code:
B2
Abstract:
PURPOSE: To provide a leak stopper capable of simply and securely tight-closing an entrance door.
CONSTITUTION: Into a frame 2 at the entrance of a room for fuming of chemicals, a shielding plate 4 with a size little smaller than that of the frame 2 is fitted by being supported by a supporting leg 5, and a bag 7 to be inflated with air surrounds the periphery of the shielding plate 4. An air injector 9 to inject air into the bag 7 to tightly close the gap between the entrance frame 2 and the shield plate 4 is also equipped.
Inventors:
Okitada Hara
Katsuji Yamamoto
Shuichi Kawate
Katsuji Yamamoto
Shuichi Kawate
Application Number:
JP13543594A
Publication Date:
June 03, 2003
Filing Date:
June 17, 1994
Export Citation:
Assignee:
Ishikawajima Shibaura Machinery Co., Ltd.
Ishikawajima Harima Heavy Industries Co., Ltd.
Ishikawajima Harima Heavy Industries Co., Ltd.
International Classes:
E06B7/16; A01N25/18; A61L2/16; A61L9/015; E04H5/02; E06B5/16; (IPC1-7): A61L9/015; A01N25/18; A61L2/16; E04H5/02; E06B5/16; E06B7/16
Domestic Patent References:
| JP8717A | ||||
| JP5311906A | ||||
| JP6192283A | ||||
| JP575389U | ||||
| JP602538U |
Attorney, Agent or Firm:
Nobuo Kinutani
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