Method and apparatus for fastening steel framing by crimping

Details Method and apparatus for fastening steel framing by crimping Method and apparatus for fastening steel framing by crimping

2005-09-06

2005-09-06

Tolan, Ed (Department: 3725)

Metal deforming

With cutting

By composite tool

C072S409010, C072S409110, C029S432100, C403S283000

Reexamination Certificate

active

06938452

ABSTRACT:
A punch having wings is driven through framing members and then rotated. Rotation of the punch causes the wings to crimp the framing members together. An angular crimping technique where piercing members are driven through framing members in at least two different directions to crimp the framing members together. A fastenerless cinching tool pierces adjacent framing member and crimps the framing members together.

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