Patent ID: 8801149
Filing Date: 2014-08-12
Classification: B21D,B41J,F17D,Y10T

Abstract:
1. A flow path member comprising: a first flow path member which has a first flow path; and a second flow path member which has a second flow path communicating with the first flow path; a wall provided on and protruded from a circumference of the second flow path member, the wall defining a circumferential concave portion in which the first flow path member is fixed with a gap in a circumferential direction between the wall of the second flow path member and a skirt of the first flow path member facing the wall; an injecting portion provided in the circumferential concave portion of the second flow path member, the injection portion having a concave shape communicating with the circumferential concave portion and having a widened gap, which is wider than the gap, in the circumferential direction, and wherein