B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
257/28
B65D 51/00 (2006.01) F01P 11/02 (2006.01)
Patent
CA 1303023
ABSTRACT A radiator cap for a filler neck of an automotive radiator tank. The radiator cap has an inner cap rotatably connected with an outer cap, a pressure valve functionally connected with the inner cap in such a manner that the pressure valve can move vertically so that the pressure valve opens the filler neck when the pressure within the radiator tank increases up to a predetermined pressure. The radiator cap further includes a coil spring provided between the inner cap and the pressure valve for biasing the pressure valve toward the filler neck. Since the connecting point between the coil spring and the pressure valve is lower than the connecting point between a sealing portion of the pressure valve and the filler neck, a rotating moment is generated which returns the pressure valve to a horizontal position whenever the pressure valve becomes inclined, and prevents any tendency to return to an inclined position. The pressure valve disclosed can maintain its position horizontally and can open the filler neck always at the predetermined pressure.
535039
Fukuda Sunao
Kato Seiichi
Muto Satomi
Nagara Toshio
Susa Sumio
Borden Ladner Gervais Llp
Nippondenso Co. Ltd.
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