Mix head bushing seal

A mix head and mix head bushing assembly comprising a mix head having a conically shaped head, and a mix head bushing including a body portion having first and second ends including a first flange extending radially outwardly from the first end thereof, the body portion having an essentially conical passage extending therethrough to define a first opening at said first end of said body portion and a second smaller opening at the second end of the body portion, said essentially conical passage in said body portion corresponding essentially in shape and size to said conical head of said mix head, said body portion further including a second flange having an inner edge extending radially inwardly partially over said second opening, and a resilient coating adhered to said body portion in said passage, said resilient coating extending inwardly beyond the inner edge of said second flange and being compressed by said conical head of said mix head when said mix head is inserted in said passage.

A mix head and bushing assembly comprising:

• a mix head including a tapered end;
• and
• a mix head bushing, said mix head bushing including a body portion, a passage extending through said body portion, said passage being substantially conical throughout at least part of its length, a resilient coating adhered to said body portion, said body portion including an inwardly extending flange partially covering said passage, said resilient coating abutting against said flange, said resilient coating having a thickness of at least about one quarter inch, said tapered end of said mix head being positioned within said passage.