Method of forming a vessel pouring spout

Metal deforming – Process – Deforming sheet metal

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Details

413 22, 222572, B21D 5142

Patent

active

053416686

ABSTRACT:
A method for forming a constant geometry and non-turbulent stream inducing pouring spout in the rim portion of an annular side-walled vessel. The method comprises the steps of: a) positioning the vessel within a clamp possessing a groove whose centerline forms a 90.degree. angle with the annular side wall of the vessel when the clamp is in place; b) placing inside the vessel a center plug possessing a radially extending groove whose centerline forms a 90.degree. angle with the annular side wall when the center plug is in place; c) aligning the centerlines of the grooves of the clamp and the center plug to form a straight line travel path; d) placing a pour spout former in the center plug portion's groove and causing the former to travel along the travel path and into contact with the rim portion of the vessel; and, e) further causing the former 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 former 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.

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