Patent ID: 7331652
Filing Date: 2008-02-19
Classification: B29C,B29L,B41J,Y10T

Abstract:
1. A joint structure, comprising: a first member and a second member which are jointed to each other to define a flow passage in which a fluid flows; at least one of the first and second members including a weldable portion which projects toward an opposed surface of an other of the first and second members in a first direction and whose end portion is fused and welded to the opposed surface, so as to joint the first and second members to each other at a first position in the first direction; and at least one of the first and second members including a first projecting portion which is provided between the weldable portion and the flow passage in a second direction perpendicular to the first direction, and projects toward an other of the first and second members such that a free end of the first projecting portion is located at a second position different from the first position in the first direction, while the first projecting portion cooperates with the weldable portion to define a first space therebetween in the second direction.