Breather hose for aqueous urea solution tank
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United States of America Patent
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Dec 5, 2017
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N/A
app pub date -
Sep 3, 2012
filing date -
Sep 6, 2011
priority date (Note) -
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Abstract
A pressure-releasing breather hose 1 mounted on a urea water tank 2 is dividably constituted by a flexible joint portion 1a with an end capable of being fitted over a hose joint 3 on the tank 2, and a vertical portion 1b connected to the other end of the joint portion 1a and suspending downward along a side surface of the tank 2. The joint and vertical portions 1a and 1b are constituted by a rubber hose made of ethylene propylene diene terpolymer (EPDM) and a polyethylene pipe (resin pipe) made of high density polyethylene (HDPE), respectively.
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