B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
B65G 53/00 (2006.01) C03B 7/16 (2006.01)
Patent
CA 2354995
An inclined trough assembly (10) for conveying, by gravity, formable gobs of glass at an elevated temperature to a section of a glass container forming machine of the I.S. type, the trough assembly having a trough member (12) configured, in cross-section, generally corresponding to that of an upwardly facing V and a manifold (14) at least partly underlying the trough member and having a configuration, in cross-section, generally corresponding to that of an upwardly facing U. The trough member 12 is inserted into the manifold partly to the bottom thereof, and the manifold has a compressed air inlet (14a) for receiving compressed or fan air to flow along the manifold in cooling contact with the trough member to cool the trough member and thereby reduce the coefficient of friction between the gobs of glass flowing through the trough assembly and the trough member thereof. The trough member has an opposed pair of legs (12a, 12b) joined at the bottoms thereof in a bight (12c), the upper free ends of the legs being spaced apart a greater distance than the width of gobs of the largest size in a wide range of sizes of gobs to be passed through the trough assembly, the bight having a radius greater than the width of gobs of the smallest size in the range of sizes. The trough member has a plurality of apertures (12e) extending therethrough, to permit compressed or fan air flowing in the manifold to flow into the trough member, to thereby further cool the trough member and at least partly levitate the gobs in the trough member to further reduce frictional forces acting on the gobs as they flow through the trough assembly.
Hayes Dan M.
Tipping Mark R.
Gowling Lafleur Henderson Llp
Owens-Brockway Glass Container Inc.
LandOfFree
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