F - Mech Eng,Light,Heat,Weapons – 02 – B
Patent
F - Mech Eng,Light,Heat,Weapons
02
B
171/5
F02B 71/04 (2006.01) E02D 7/12 (2006.01)
Patent
CA 1036497
Abstract of the Disclosure In a rammer a piston housed in a combustion cylinder strikes with its impact surface the adapted impact surface of a striker. When the impact surfaces are spherical or flattened the piston may strike against the cylinder wall, as a result of which the cylinder surfaces and the piston surfaces wear off strongly. In accordance with the invention the impact surfaces have a tangential cone having an obtuse apex so that on the one hand a sufficient centering of the piston with respect to the striker is obtained and on the other hand the risk of cracking in piston and striker is prevented.
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