VALVE DEVICE WITH GAP SEAL INJECTION-MOULDED ONTO VALVE, METHOD AND SEMI-FINISHED PRODUCT FOR THE PRODUCTION THEREOF
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United States of America Patent
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N/A
Issued Date -
Feb 14, 2013
app pub date -
Aug 13, 2012
filing date -
Aug 12, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method of producing by moulding a valve device, the valve device comprising a housing, which surrounds a flow duct portion, and additionally comprising a valve accommodated on the housing and movable relative thereto such that, by relative adjustment of the valve relative to the housing, the effective flow area of the flow duct portion is modifiable, wherein the housing and the valve already accommodated thereon are formed shapingly in a moulding tool in a common moulding step from a flowable moulding compound, with one-piece formation of a moulding material membrane, together with the valve and the housing, the moulding material membrane being provided between an outer valve portion, and a housing portion surrounding the valve portion, in a shut-off position of the valve relative to the housing, in which shut-off position the flow area of the flow duct portion is as a rule minimal.
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