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Title:
METHOD OF CONNECTING PLIABLE PIPE TO MANHOLE
Document Type and Number:
Japanese Patent JPS5496246
Kind Code:
A
Abstract:

PURPOSE: In a pliable adapter or pipe connected to the inlet-outlet port of a manhole, to facilitate the connection by fitting a packing around the connection portion and utilizing contraction and expansion of the adapter or pipe.

CONSTITUTION: The bottom box 1b of a manhole formed of resin concrete has an integral fitting portion 8 projecting from the side wall to surround an inlet-outlet port 4a. An adapter 5 for pipe connection made of pliable materila is fitted therearound with a seal packing 7 near the connection end. The end portion of the adapter 5 is fastened with a fastener 9 such as a chain block to reduce the diameter; after insertion of reduced portion into the opening 4, the fastener 9 is removed to allow the adapter 5 to recover its shape so that the packing 7 snugly fits onto the internal surface of the opening 4.


Inventors:
Miura, Tatsuo
Takemura, Ikurou
Kusakabe, Tamataro
Kusano, Hiroshi
Application Number:
JP1978000002920
Publication Date:
July 30, 1979
Filing Date:
January 14, 1978
Export Citation:
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Assignee:
KUBOTA LTD
International Classes:
F16L21/00; E02D29/12; E03F5/02; E03F5/10; F16L41/00; F16L41/08; F16L47/00; (IPC1-7): E02D29/12; F16L41/00



 
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