Title:
SEALED STRUCTURE OF CONCRETE FORM AND PACKING COMPOSING THE STRUCTURE
Document Type and Number:
Japanese Patent JP2989439
Kind Code:
B
Abstract:
PURPOSE: To enable a packing to be simply detached from and attached to a packing insertion groove provided to either side opposed surface of a set of forms.
CONSTITUTION: A broad width part 2 is provided by being connected to a narrow width part 1 of an opening part. A packing insertion groove G wherein a set of undercut parts 3 are formed by being opposed to each other at a connection part of both, is formed on either opposed surface of a set of forms Ma, Mb. A sealed part 5 which is broader in width than that is provided to an upper end part of a proper part 4, and a pair of engaged lip parts 6 are provided on both sides of a lower end part of the proper part 4. A packing P1 so constructed that a deforming part 7 capable of being elastically deformed is provided is formed on a lower end surface of the proper part 4. The packing P1 is inserted into the packing insertion groove G, and respective engaged lip parts 6 of the packing P1 are engaged with respective under-cut parts 3 of the packing insertion groove G.
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Inventors:
Hirao, Toshiaki
Application Number:
JP1993000202906
Publication Date:
October 08, 1999
Filing Date:
July 22, 1993
Export Citation:
Assignee:
TOKAI KOGYO KK
International Classes:
B28B7/00; B28B7/00; (IPC1-7): B28B7/00