Patent ID: 7162846
Filing Date: 2007-01-16
Classification: B29C,B62D,F16B

Abstract:
1. A joint structure for a liquid or semi-liquid mastic sealant comprising: a first structural member having a channel, the channel having a first wall, a second wall generally opposite the first wall and a third wall connecting the first and second walls, the third wall being disposed at an acute angle to the first wall and at an obtuse angle to the second wall; a second structural member having a tongue portion for matably engaging the channel of the first structural member, the tongue portion having a first wall disposed adjacent to the first wall of the first structural member when the structural members are mateably engaged, a second wall generally opposite the first wall the second wall being disposed adjacent to the second wall of the first structural member when the structural members are mateably engaged, and a third wall connecting the first and second walls, the third wall being disposed at an obtuse angle to the first wall and at an acute angle to the second wall the third wall being disposed adjacent to the third wall of the first structural member when the structural members are mateably engaged, the angle of the third wall of the channel being opposite that of the third wall of the tongue portion so that a cross-sectional area of a gap between the channel and the tongue is larger on a side nearest the first walls of the channel and tongue than on a second side nearest the second walls of the channel and tongue.