Vibration absorbing connector
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United States of America Patent
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-
May 27, 1980
Grant Date -
N/A
app pub date -
Dec 8, 1978
filing date -
Dec 8, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Vibration absorbing connector for use in high pressure fluid piping systems such as the refrigerant lines in an automotive air conditioning system incorporates a thin bellows member whose ends are restrained against axial movement by a restraining means such as a plurality of axially extending flexible cables or a braided metal sleeve which surrounds the bellows member. A molded-in-place elastomeric layer fills in the external bellows corrugations to prevent their deformation under load and encapsulates the restraining means. The design permits a 3 inch long bellows having a 0.005' wall thickness to perform as well as a 7 inch long bellows having a 0.020' wall which has a conventional configuration under internal fluid pressures that would collapse the thin wall bellows corrugations in the absence of the elastomeric layer.
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