Lid supported stirrer and actuating means

Abstract From the Canadian patent

A mixer comprising a shaft which is appropriately curved to substantially conform to the interior shape of the sides and bottom walls of a steam kettle and a structure for supporting the shaft within the steam kettle. The latter consists of a lid which fits about the peripheral upper edge of the steam kettle. A length of a heat resistant self-, lubricating, tubular material, such as Teflon* is slidably, extended over substantially the entire length of the shaft to perform a dual function. This material first of all, eliminates the need for any type of bearing structure which normally would be required in order for the shaft to be rotated when disposed to extend through the lid into the, …