B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
113/33
B21D 51/26 (2006.01) B23D 31/00 (2006.01)
Patent
CA 2005802
ABSTRACT OF THE DISCLOSURE Apparatus and method for trimming away a portion of the open end of an untrimmed can body to form a trimmed can body and a trimmed away portion using a plurality of can trimming apparatuses which are mounted on a turret which is secured to a main drive shaft for rotation therewith. Each of the can trimming apparatus has mechanisms for cutting the untrimmed can body to form a trimmed can body and a trimmed away portion; for separating the trimmed can body from the trimmed away portion by moving both in one axial direction and then only the trimmed can body in the opposite axial direction; for loading untrimmed can bodies onto each can processing apparatus and for unloading trimmed can bodies therefrom and for cutting, knurling and disposing of the trimmed away portions. A collapsible mandrel is provided and comprises a hollow support member having a plurality of axially and radially outwardly extending resilient fingers integral therewith and a bearing surface mounted on an adjustable elongated hollow member in contact with the resilient fingers to control the radially outward extent thereof. Also, an annular spacer is located between a first knife and a first knurling roller to provide a space for the portion to be trimmed away prior to the knurling operation. A positive can body loading and unloading system is also provided.
Bowles Ray L.
Haverland Leroy J.
Johansson Bert E.
Bowles Ray L.
Coors Brewing Company
Haverland Leroy J.
Johansson Bert E.
Mitchell Richard J.
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