Metal working – Method of mechanical manufacture – Muffler – manifold or exhaust pipe making
Reexamination Certificate
2006-08-29
2006-08-29
Jimenez, Marc (Department: 3726)
Metal working
Method of mechanical manufacture
Muffler, manifold or exhaust pipe making
C029S890052, C029S557000, C123S184210
Reexamination Certificate
active
07096583
ABSTRACT:
This invention provides an improved system and method for producing manifolds such as those used to direct exhaust gasses from an internal combustion engine into a turbocharger. The manifold is made from two or more pieces which are machined in such a way as to create passageways when the separate pieces are assembled together. The method is much faster and easier to produce than present methods and allows for improved accuracy. The ability to machine these manifolds using computer controlled machines will lower costs and improve quality.
REFERENCES:
patent: 2713195 (1955-07-01), Hemmer
patent: 4790472 (1988-12-01), Bunkoczy
patent: 5784882 (1998-07-01), Bonny et al.
patent: 6474697 (2002-11-01), Nording et al.
Jimenez Marc
Mazzuca, Jr. Douglas E.
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