SMALL DIAMETER TRIANGLE SEAM CONTROL WIRE AND PREFORM
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United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Jun 29, 2016
filing date -
May 25, 2007
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A shaped, small diameter brazing preform is disclosed. The preform, with a cross-sectional diameter between 0.04 inches and 0.08 inches, comprises a continuous, uniform, cavity in a center of the preform extending along, a length formed by three distinct and generally planar sides of the preform. An opening to the cavity along at least a portion of the cross section creating a gap comprises a flux positively retained within the cavity by a pressure from the three sides. A process of forming the shaped, small diameter brazing preform comprises a generally flat, and planar sheet metal section. A plurality of rollers, each one having a unique surface profile, forms the sheet metal section such that the sheet metal section is formed into a generally triangular shaped preform. The cavity is stuffed with a flux, which is exposed to an exterior of the cavity along the length of the preform.
First Claim
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