Method of making branches in hoses
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United States of America Patent
Stats
-
Sep 23, 1986
Grant Date -
N/A
app pub date -
Feb 28, 1983
filing date -
Mar 4, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A strong joint for hoses for the cooling and crankcase ventilation systems of vehicles is made between a hose 1 and a branch by inserting the flared end 3 of a rigid cylindrical insert 4 into a hole 9 in the hose 1 to distort the margin around the hole. A second hose 6 is then positioned over the insert 4 so that its end abuts the margin of the hole and the joint is sealed and secured by an encapsulation which is vulcanized in situ. A curable polymeric liner 5 may be sandwiched between the insert 4 and the spout 6 and also vulcanized to act as a bond. The second hose may be omitted, leaving the insert as a projection to which a second hose may be fitted by other means.
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