FIELD: manufacture of piston rings for engines. SUBSTANCE: method comprises steps of flattening piston rings, then subjecting them to shot blasting at inner and outer sides for performing them and making stressed layer with microcraters. EFFECT: enhanced wear resistance and elasticity of piston ...
Process of making piston-ringsdoi:US1340037 AFOSSTON AXEL A.
Process of making piston ringsdoi:US1661366 AGraves, Harry SUS
The utility model relates to an oil pressure cylinder piston rod structure for shoe bottom-pressing and edge-pressing in shoe making. An oil pressure mould comprise an upper mould seat and a lower mould seat, wherein, more than one row of round hole passages are provided with equal distance...
Process of making piston ringsdoi:US1404682 AJames BarkerUSUS1404682 * Oct 18, 1917 Jan 24, 1922 Mary Emma Barker Process of making piston rings
Method of making slotted piston ringsBOWERS THOMAS A.US2346898 * Aug 20, 1941 Apr 18, 1944 Power Res Corp Method of making slotted piston rings
A method of making multi-coil helical piston rings in which the radial thickness of the ring increases progressively from one end to the other wherein the ring is made from wire wound in the peripheral helical groove of a mandrel and formed into the section of the groove by means of a ...
Process and apparatus for making piston ringsProcess and apparatus for making piston ringsdoi:US1762556 AMarshall Lewis CUS1762556 * Jun 1, 1927 Jun 10, 1930 Marshall Lewis C Process and apparatus for making piston ringsUS1762556 * 1927年6月1日 1930年6月10日 Marshall Lewis C Process and ...
A method of making piston rings comprising forming annular stepped grooves in the outer periphery of a plurality of piston ring blanks, stacking the blanks on a rotatable arbor, electro-depositing a layer of chromium in the grooves and on the outer surfacs of the ring blanks, and removing ...
Apparatus for making piston packing-ringsCharles WhiteUS1107005 * Jun 30, 1914 Aug 11, 1914 Charles White Apparatus for making piston packing-rings.