Patent ID: 6408498
Filing Date: 2002-06-25
Classification: B21D,B65D,Y10T

Abstract:
A chuck for use in seaming a can end to a can body, said chuck defining a central axis thereof, said can end having a side wall disposed at an angle A with respect to said central axis in the range of about 12Â° to 15Â°, comprising:a) an upper portion forming an upper wall, said upper wall being disposed at an angle C with respect to said central axis that is within the range of about 0Â° to âˆ’2Â°; and b) a lower portion forming a lower wall, said lower wall being substantially frustoconical and disposed at an angle Dâ€² with respect to said upper wall that is within the range of about 162Â° to 168Â° and being disposed at an angle Bâ€² with respect to said central axis that is not greater than about 16Â°.