B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 51/22 (2006.01) B21D 51/42 (2006.01)
Patent
CA 2109653
Abstract A method for forming a constant geometry and non-turbulent stream inducing pouring spout in the rim portion of a annular side-walled vessel. The method comprises the steps of: a) positioning the vessel within a clamping means possessing a groove whose centerline forms a 90° angle with the annular side wall of the vessel when the clamping means is in place; b) placing inside the vessel a center plug means possessing a radially extendinggroove whose centerline forms a 90° angle with the annular side wall whenthe center plug means is in place; c) aligning the centerlines of the grooves of the clamping means and the center plug means to form a straight line travel path; d) placing a pour spout forming means in the center plug portion's groove and causing the forming means to travel along the travel path and into contact with the rim portion of the vessel; and, e) further causing the forming means to travel along the travel path to yieldably deform the rim portion of the annular wall into the desired shape pouring spout. The actual deformation of the rim takes place in three stages. The first stage and third stages involve deforming the rim portion by the forming means in an outward and upward direction and an outward and downward direction, respectively, while the second stage involves deforming the rim portion in only an outward direction.
Mack Alfred Neal
Tobey Stephen Leslie
Corning Incorporated
Gowling Lafleur Henderson Llp
LandOfFree
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