Radiator caps

Details Radiator caps Radiator caps

B - Operations, Transporting

65

D

257/28

B65D 41/06 (2006.01) F01P 11/02 (2006.01)

Patent

CA 1100479

ABSTRACT OF THE DISCLOSURE Automobile radiator cap assembly particularly suited to automobiles with coolant recovery systems in which cool- ant is blown through a venting duct in radiator filler neck. The cap assembly comprises a cap to fit over the upper end of the filler neck, a spring loaded primary element to seal against a ledge at the bottom of the filler neck, and a secondary sealing element having a cylindrical skirt portion extending internally within the filler neck and an annular flange portion projecting between the rim of the filler neck and the cap. A circumferential bead on the skirt engages the wall of the filler neck to provide a circumferential seal within the filler neck above the vent passage and the annular flange is clamped against the rim of the filler neck to provide a further seal. -1-

331606

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