Patent ID: 6009748
Filing Date: 2000-01-04
Classification: G01N

Abstract:
In a foam tester device including a cabinet with a temperature-regulatable oven volume contained therein, the oven volume being insulated; a heater capable of heating a gas for the oven volume; a feature to circulate heated gas in the oven volume; an access system such that sample container(s), each capable of holding a liquid sample, is(are) insertable into the oven volume so that the same can be heated therein; and a feature to observe any sample(s) in the sample container(s) such that observation can be conducted from outside the cabinet--and wherein a cooling feature is provided to cool down the oven volume in the cabinet--the improvement which comprises a cooling volume apart from the oven volume, the cooling volume containing the cooling feature which has coolant material, wherein the cooling volume is contained within the cabinet, which cooling volume can be closed off from the oven volume when the device is in heating mode and opened to the oven volume when the device is in cooling mode and, when the cooling volume is opened to the oven volume, and wherein the gas for the oven volume can flow through the cooling volume.