Title:
NO-BLOW BAG
Document Type and Number:
Japanese Patent JP2005240849
Kind Code:
A
Abstract:
To materialize simple piping in a state that gas in a pipe is hardly leaked out even when work requires piping to be installed over the whole of the inside and the outside of a no-blow bag.
In the no-blow bag, a working opening 2 allowing a finger to be inserted is formed by passing through a bag-shaped sheet material 1 with hermeticity. A bag mouth 3 of the sheet material can be hermetically mounted around an opening of a gas pipe B. A pipe connecting joint 8 equipped with an opening/closing means is held by passing through the sheet material. A working pipe E is freely connectably provided to the pipe connecting part from outside and the inside of the sheet material.
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Inventors:
TAMURA NOBORU
OHARA YUKIHIRO
NOJI KOICHI
MORITA YUJI
MIYAKI SEIJI
OHARA YUKIHIRO
NOJI KOICHI
MORITA YUJI
MIYAKI SEIJI
Application Number:
JP2004048037A
Publication Date:
September 08, 2005
Filing Date:
February 24, 2004
Export Citation:
Assignee:
OSAKA GAS CO LTD
International Classes:
F16L55/12; F16L55/00; (IPC1-7): F16L55/00; F16L55/12
Attorney, Agent or Firm:
Shuichiro Kitamura