초록 ▼

A vacuum processing apparatus having a chamber, defining an open bottom, and having a closed top, the size of such chamber being sufficient to receive a processing container, and the height of such chamber being sufficient to fit completely over such container, and stirring means extending downwardl

A vacuum processing apparatus having a chamber, defining an open bottom, and having a closed top, the size of such chamber being sufficient to receive a processing container, and the height of such chamber being sufficient to fit completely over such container, and stirring means extending downwardly within the chamber to extend into the container, when enclosed within said chamber, and having power operated rotating means and sealing means around the open bottom of the chamber, for forming a good air-tight seal, means for raising and lowering the chamber and means for evacuating air from said chamber. Also disclosed is a method of processing the contents of a container, in which the contents are first stirred in a container by a stirrer at atmospheric pressure and are then further stirred, in the same container under vacuum, by means of a stirrer located in a vacuum chamber.

대표청구항 ▼

Vacuum processing apparatus for use in combination with a container of predetermined width and height, and having a bottom wall, side walls and an open top, said apparatus comprising; a vacuum chamber having an open bottom, side walls and a closed top, said chamber being of a width and height greate

Vacuum processing apparatus for use in combination with a container of predetermined width and height, and having a bottom wall, side walls and an open top, said apparatus comprising; a vacuum chamber having an open bottom, side walls and a closed top, said chamber being of a width and height greater than said container to receive said container therein, and the height of such chamber being sufficient to fit completely over said oven top of and said side walls of said container with said open top and side walls freely enclosed therewith in; stirring means within said chamber extending downwardly into said container through said open top; power operated means for rotating said stirring means whereby the contents of said container may be stirred; sealing means around said open bottom of said chamber whereby to hermetically enclose said container; means for raising and lowering said chamber relative to said container, and, means for evacuating the atmosphere within said chamber around the exterior of, and within said container.