RADIATOR FOR MOTOR CARS

摘要

A radiator for motor cars is disclosed wherein the fins are fitted between many vertical tubes through which the heat-exchanging medium flows and seat plates are provided at both ends of the tubes to connect with resinous tanks. ? brass containing 15 to 38 % by weight of Zn and 0.05 to 1.5 % by weight of Si and the remainder being Cu is used for the seat plate. A concave groove is formed outside the peripheral portion thereof, and a resilient seal member is provided in said concave groove to insert the open end of the resinous tank.