High pressure fuel injection tube e.g. diesel motor fuel feeding passage, has connection washer with stacked part corresponding to stacked part of connection head, such that stacked parts can be butted one against other

摘要

The tube has a thick metallic tube (1), and a connection head (2-1) that is provided on an external circumference of its lower constriction part of a half-stacked part (2-1b) without slope. A connection washer (3) has a stacked part corresponding to the stacked part of the head, such that the stacked parts can be butted one against the other. A circular groove (4) is formed in an internal part of the head.