Metal deforming – With cutting – By shearing tool-couple
Reexamination Certificate
2007-06-28
2009-11-24
Tolan, Edward (Department: 3725)
Metal deforming
With cutting
By shearing tool-couple
C072S325000, C072S409010
Reexamination Certificate
active
07621165
ABSTRACT:
A power operated crimp tool having two movable jaws. On the lower end of one of the movable jaws there is pair of spaced punches and on the lower end of the other movable jaw there is a pair of spaced recesses. The first and second punches punch through layers of a decking seam from the same direction forming semi-circular penetrations with folds of alternating direction, one oriented upwardly and one oriented downwardly for 22, 20 and 18 gage thicknesses or both in the same direction for 16 gage.
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Reed Smith LLP
Tolan Edward
Wheeling-Corrugating Company
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