Title:
BAD SMELL IN CONDUIT SHUTOFF SHEET, AND BAD SMELL IN CONDUIT SHUTOFF METHOD
Document Type and Number:
Japanese Patent JP3714668
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To shut off generation or stay of bad smell in a cylindrical conduit.
SOLUTION: This sheet comprises a rectangular part having width about half the circumference of the cylindrical conduit and length roughly similar to the inner circumference of the cylindrical conduit, and a pair of arc-shaped pieces formed by cutting a roughly semicircular part continuous with the rectangular part in a V-shape from a center of a circle to form a cloth-like body, with float members provided on V-cut edge parts of the arc-shaped pieces. One end part of the rectangular part is fixed along the circumferential direction of an almost upper half of a channel upstream side conduit inner wall, and both sides are fixed in a channel direction of the conduit inner wall, thereby bad smell is shut off.
Inventors:
Masaaki Mori
Kanzaki Itaru
Kanzaki Itaru
Application Number:
JP2002175430A
Publication Date:
November 09, 2005
Filing Date:
June 17, 2002
Export Citation:
Assignee:
Showbond Construction Co., Ltd.
Tokyo
Tokyo
International Classes:
E03F3/02; E03F7/02; (IPC1-7): E03F3/02; E03F7/02
Domestic Patent References:
| JP58013267A |
Attorney, Agent or Firm:
Harumi Uno
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