Title:
SAFETY DEVICE AND METHOD FOR CONVEYING MOLTEN METAL
Document Type and Number:
Japanese Patent JP3492680
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a safety device having a circulation regulating part which allows the circulation of a gas in-between the outside and regulates the circulation of a molten metal, and a technique which can prevent the detachment from a container without opening to the atmosphere even when the circulation regulating part is clogged.
SOLUTION: A socket 21 is surrounded by a cover 71. Accordingly, a worker can not operate a sleeve 25 without rotating a lever 43 downward when the safety device 1 is detached from a plug 71 of piping 166. Thus, the socket 21 of the safety device 1 can not be detached from the plug 71 of the piping 166. Therefore, the safety device 1 is prevented from jumping up and down caused by the pressure in the container 100. As a result, the safety can be further enhanced.
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Inventors:
Mizuno, Hitoshi
Ichikawa, Narumi
Suzuki, Kazunori
Iyoda, Koji
Noguchi, Kenji
Abe, Takeshi
Muraoka, Koichi
Ichikawa, Narumi
Suzuki, Kazunori
Iyoda, Koji
Noguchi, Kenji
Abe, Takeshi
Muraoka, Koichi
Application Number:
JP2003000285576
Publication Date:
November 14, 2003
Filing Date:
August 04, 2003
Export Citation:
Assignee:
HOEI SHOKAI:KK
International Classes:
B22D41/12; B22D17/30; B22D35/00; B22D39/06; B22D41/00; B22D41/50; B22D41/54; B22D46/00; (IPC1-7): B22D35/00; B22D17/30; B22D39/06; B22D41/00; B22D41/12; B22D41/50; B22D41/54; B22D46/00