C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
49/14
C03B 7/08 (2006.01) C03B 7/088 (2006.01)
Patent
CA 1237580
ABSTRACT OF THE DISCLOSURE An orifice ring and its holder are disclosed in detail, particularly as to the manner in which the ring is positioned within the holder or pan. The pan is formed with locating slots within which locating keys on the holder are to be positioned. Furthermore, the orifice holder or pan is provided with a precisely formed, hori- zontally extending slot along the center line of the diameter thereof which defines the four orifice openings. Vertical, side-locating pads, of which there are four in number on the bottom of the orifice ring, define parallel vertical planes at opposed sides of the orifices. These vertical planes coincide with the vertical planes defined by the horizontal slot formed in the pan. Four seating pads formed on the ring define a horizontal plane that is parallel to the top of the orifice ring. These seating pads support the ring in the bottom of the pan. These pads are juxtaposed the side-locating pads. In this manner, precise location of the orifice relative to the pan is provided.
450774
Gowling Lafleur Henderson Llp
Owens-Illinois Inc.
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