Patent ID: 6250791
Filing Date: 2001-06-26
Classification: B29B,B29C

Abstract:
An apparatus for kneading or mixing materials comprising:a housing, said housing including first and second housing sections, each of said housing sections having a mating surface and a cavity formed on said mating surface, said cavity defining first and second edges at the cavity and mating surface interface, each of said first and second housing sections further having recessed portions located at said first and second edges on each of said first and second housing sections;a liner, said liner including first and second liner sections, each of said first and second liner sections having upper and lower ends along with front and rear axial ends, said upper and lower ends having recessed portions in the outer edges thereof, said first and second liner sections corresponding to and disposed within said cavities in said first and second housing sections such that said recessed portions of said first and second liner sections are proximate said recessed portions of said first and second housing sections;a plurality of liner retainers, said liner retainers extending along a portion of and in the direction of an axis extending between said front and rear axial ends and disposed within said recessed portions of said first and second housing sections and said recessed portions of said first and second liner sections; andsaid liner retainers received in said recessed portions of said first and second housing sections and fastened to said first and second housing sections to secure said liner retainers to said first and second housing sections and correspondingly secure said first and second liner sections to said first and second housing sections.