Patent ID: 7377554

Claim:
A seal structure in combination with an air conditioning unit mounted inside a passenger compartment, the air conditioning unit being connected with pipes which extend into the passenger compartment from an outside area through a pipe penetration opening of a dashboard separating an engine compartment from the passenger compartment, the seal structure comprising: a pipe-coupling opening wall defined by a case of the air conditioning unit, the pipe-coupling opening wall being arranged in an annular shape; a first packing unit arranged between an inner surface of the pipe-coupling opening wall and an outer surface of a connection unit of the pipes; and a second packing unit arranged between the dashboard and an end of the pipe-coupling opening wall facing the dashboard; wherein the second packing unit is bonded directly to both the first packing unit and the pipe-coupling opening wall; and a bonding surface between the second packing unit and the pipe-coupling opening wall is co-planar with a bonding surface between the second packing unit and the first packing unit.