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Title:
SYNTHETIC RESIN HOSE HAVING JOINT PORTION AT EACH END, AND ITS MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2008256013
Kind Code:
A
Abstract:

To provide a flexible synthetic resin hose having joint portions at both ends, easily and certainly connecting a hard drain port and a soft drain distributing pipe arranged in the distributing water pipe of an air conditioner or the like without using a separate joint member.

The soft synthetic resin joint portion 2 of a constant thickness and the hard synthetic resin joint portion 3 of a constant thickness are formed at one end and the other end of a soft synthetic resin hose body 1 formed by spirally winding a reinforcing spiral protrusion 4 on its peripheral surface, respectively. While the soft synthetic resin joint portion 2 is fitted to the hard drain port or the like without using a packing or the like, the hard synthetic resin joint portion 3 is inserted and fitted to the soft drain distributing pipe or the like without using the separate joint member, thereby connecting the hard drain port to the soft drain distributing pipe.


Inventors:
Nagayoshi, Akio
Nagayoshi, Seiji
Application Number:
JP2007000096296
Publication Date:
October 23, 2008
Filing Date:
April 02, 2007
Export Citation:
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Assignee:
EVUC KK
International Classes:
F16L11/08; F16L21/00; F16L47/06
Domestic Patent References:
2004-07-08
2002-05-09
2005-06-16
2002-10-03
2003-07-30
2007-02-08
2003-05-27
2006-07-27