Lightweight reclosable can with attached threaded pour spout and methods of manufacture
AssigneeAluminum Company of America
InventorsCharles L. Jordan, Hans H. Diekhoff
Life of this patent
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Abstract
Thin wall metal cans are described having threaded necks attached thereto for receiving threaded closure to seal contents in the cans. Techniques for forming such threaded cans are also provided.
Claims4
A lightweight reclosable metal can made from thin gauge, hard temper aluminum alloy having a thickness of about 0.007-0.015 inch comprising a can body having a drawn and ironed sidewall and a bottom end wall, and having a cone top secured on said sidewall, said cone top including a cylindrical pouring spout with an outwardly curled bead around its top and threads on said cylindrical pouring spout below said curled bead, said curled bead having a lesser radial extent than said threads such that a threaded closure can be screwed onto said cone top to seal contents in the can.
Dependencies are inferred from the claim text.