Patent ID: 7240871

Claim:
A clean-in-place housing for use with a material processing mill comprising: a. a housing including an outer face, an inner face, an inlet and an outlet that together form a housing chamber; b. a housing flange that at least partially defines the perimeter of the housing inner face, the housing flange having a first face located outside of the housing chamber, a second face located in the housing chamber and an outwardly angled shoulder located in the housing chamber and associated with the second face; c. at least one hole that passes through the housing flange such that one end of the hole lies outside of the housing chamber and a second end of the hole lies inside the housing chamber; d. at least one concave ledge associated with the housing inner face; e. at least one screen carrier having a first end, a second end, and an intermediate portion between the screen carrier first end and the screen carrier second end, wherein the screen carrier intermediate portion is located inside the housing chamber and wherein at least one end of the screen carrier selected from the screen carrier first end and the screen carrier second end passes through the at least one hole in the housing flange such that the at least one screen carrier end is located outside of the housing chamber and wherein an end of the screen carrier selected from the first end and the second end is moveably associated with the housing when the housing is formed; and f. a concave screen associated with the screen carrier intermediate portion, the concave screen including a perimeter that is complementary to at least a portion of the outwardly angled shoulder of the housing flange.