Cutting – Tool or tool with support – Cutting couple type
Reexamination Certificate
2006-10-09
2009-06-16
Omgba, Essama (Department: 3726)
Cutting
Tool or tool with support
Cutting couple type
C083S671000, C083S581000, C083S522190, C083S917000
Reexamination Certificate
active
07546793
ABSTRACT:
A system and method for producing window components using polymer based, metallurgy based, extruded, injection molded, or wooden lineal material. The lineal material is notched at intervals calculated to include a stretch treatment and folded to form window components such as window sashes, frames, and the like. Internal reinforcing members may be welded within the joints formed by folding at the notches. The notching system and method provide low cost, highly reliable, low defect production of multi-sided window components from a continuous piece of lineal material.
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Omgba Essama
Snell & Wilmer L.L.P.
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