Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1990-10-17
1992-05-19
Eley, Timothy V.
Metal working
Method of mechanical manufacture
Assembling or joining
29516, 29788, 29796, 29818, B23P 1900, B23Q 710
Patent
active
051135728
ABSTRACT:
A machine for assembling a button shell and button back which features a pair of feeders for advancing shells and backs to a locating and closing station and a mandrel movable from a locating jig to an overlying locating head for registering a shell within a die therein, and power means for driving the die and shell into a closing die of the jig for crimping the shell about a button back to form a finished button. A method of assembling buttons is disclosed including steps of nesting a button shell and button back, engaging the shell of a nested shell and back within a shell locating die in precise registration therein, and then closing the shell onto the back by compressing the nested shell and back between the shell locating die and a closing die.
REFERENCES:
patent: 4019666 (1977-04-01), Foults
patent: 4309787 (1982-01-01), Lapohn
patent: 4346515 (1982-08-01), Lodding et al.
Eley Timothy V.
The Ball and Socket Manufacturing Company of Delaware, Inc.
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