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Patent Searching and Data


Title:
HOLE PLUGGING METHOD FOR THROUGH HOLE OF BUILDING
Document Type and Number:
Japanese Patent JP2005240442
Kind Code:
A
Abstract:

To provide a hole plugging method for the parts to be filled with a mortar among the parts, where it is needed to plug holes for leading a pipe, a duct, etc. therethrough provided in an opening formed in a wall of a building like a nuclear power plant or a reprocessing plant, by which the works are carried out efficiently while improving and securing the filling performance.

The pipe 14 is passed through a square opening 12 piercing a skeleton 11 of the building. A form 15 made of an acrylic board or a toughened glass is provided at each of both ends of the square opening 12 in a manner that a gap communicating the square opening 12 and the outside is formed at the upper part. The mortar in a hopper 38 is sucked by a pump 35 through a hose 37, and is placed in advance in the square opening 12 through the hose 33 to reach a filling level 19 where the pipe 14 is buried. After the mortar placed in advance is hardened, a space 17 is filled with a post-placing mortar by hand.


Inventors:
Kogai, Manami
Murakami, Toru
Ishiwatari, Masayuki
Application Number:
JP2004000052654
Publication Date:
September 08, 2005
Filing Date:
February 27, 2004
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
E04F17/08; E04B2/84; F16L5/00; (IPC1-7): E04F17/08; E04B2/84; F16L5/00
Attorney, Agent or Firm:
井上 学
作田 康夫