Method of manufacturing tangential expanders for oil control piston rings

According to the claimed method a round wire is first flattened and then formed into a serpentine flat spring. The segment portions of this spring are bent up in the form of thrust shoulders and calibrated for height. The shaped spring is coiled into a spiral on a mandrel, compressed and heat-treate...

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Bibliographic Details
Main Authors IGNATIEV, ALEXEI K, SHAFORENKO, MARK A, VOLNYAKOV, MIKHAIL I, MOLDAVANOV, VIKTOR P, GORBULEV, EFIM S, ZAIKOVSKY, GENNADY S, NEMETS, RUSAAM S, KONTSOV, JURY M, PARYGIN, VENIAMIN A
Format Patent
LanguageEnglish
Published 13.11.1979
Subjects
BLASTING
COMBINED OPERATIONS
CYLINDERS
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MACHINE TOOLS
MECHANICAL ENGINEERING
METAL-WORKING NOT OTHERWISE PROVIDED FOR
OTHER WORKING OF METAL
PERFORMING OPERATIONS
PISTONS
SEALINGS
THERMAL INSULATION IN GENERAL
TRANSPORTING
UNIVERSAL MACHINE TOOLS
WEAPONS
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Summary:According to the claimed method a round wire is first flattened and then formed into a serpentine flat spring. The segment portions of this spring are bent up in the form of thrust shoulders and calibrated for height. The shaped spring is coiled into a spiral on a mandrel, compressed and heat-treated before cutting it into individual tangential expanders.
Bibliography:Application Number: US19780870176