The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 19, 1992
Filed:
Oct. 17, 1990
Gary M Trocola, Prospect, CT (US);
The Ball and Socket Manufacturing Company of Delaware, Inc., Cheshire, CT (US);
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.