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Title:
REINFORCING CORE
Document Type and Number:
Japanese Patent JP2007032151
Kind Code:
A
Abstract:

To provide a new core for being inserted into a tubular part of a unit member with the tubular part.

This core is infilled into the tubular part of the unit member, which constitutes a rainwater storage and infiltration tank and which has the vertical tubular part, so as to reinforce the vertical strength of the tubular part. The core, which can be inserted into the tubular part, is formed in such a tubular shape that a plurality of protrusive parts are provided symmetrically to the center of a tube, or in such a shape that a hollow ring-shaped part is arranged in a vertical direction.


Inventors:
HAYASHI SHINICHIRO
HAYASHI KAZUSHIRO
HAYASHI KOZABURO
HAYASHI KANAKO
Application Number:
JP2005000218973
Publication Date:
February 08, 2007
Filing Date:
July 28, 2005
Export Citation:
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Assignee:
HAYASHI SHINICHIRO
International Classes:
E03F1/00; E03B3/03; E03B11/14



 
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