Title:
SPIRAL CORRUGATED TUBE AND CONNECTING METHOD THEREFOR
Document Type and Number:
Japanese Patent JP2003194266
Kind Code:
A
Abstract:
To provide a spiral corrugated tube and a connecting method therefor, enabling tube connection without a fear of a water leak even when displacement is generated in a connecting portion of a buried tube due to uneven settlement and the like.
A corrugated tube comprising a water expansion rubber sponge block 3 having a shape same as a trough portion, and a water expansion sponge rubber sheet 4 connecting to the water expansion rubber sponge block 3 and having a length same as a circumference of a crest portion 1 is used in connecting tube both end portions of a spiral corrugated tube.
Inventors:
HIRUKAWA KENJI
TSUNODA TAKUJI
ADAKAWA AKIO
TSUNODA TAKUJI
ADAKAWA AKIO
Application Number:
JP2001391284A
Publication Date:
July 09, 2003
Filing Date:
December 25, 2001
Export Citation:
Assignee:
DENKI KAGAKU KOGYO KK
CRK KK
CRK KK
International Classes:
E03F3/04; F16L11/11; F16L21/02; H02G1/06; H02G9/06; (IPC1-7): F16L11/11; E03F3/04; F16L21/02; H02G1/06; H02G9/06
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