Metal working – Method of mechanical manufacture – Prime mover or fluid pump making
Reexamination Certificate
2005-09-29
2010-02-02
Chang, Rick K (Department: 3726)
Metal working
Method of mechanical manufacture
Prime mover or fluid pump making
C029S464000, C300S021000
Reexamination Certificate
active
07653993
ABSTRACT:
A method of manufacturing a brush seal includes wrapping wire about spaced frames to form a pair of wire runs of multiple wire thicknesses. Two pairs of interior plates are inserted between the wire runs at an angle and in spaced relation to one another. Two pairs of plates are applied along the outside of the wire runs parallel to the pairs of interior plates, respectively. By removing the wire run outside the plates and welding along each of the opposite edges of the wire run securing an interior plate, a cut end of a wire run and an exterior plate to one another, and by cutting each wire run preferably in half, four tee shaped bristle packs are formed with the bristles extending at the appropriate angle. By cutting the tee shaped packs to length and rolling the cut pack, a brush seal is formed to the appropriate diameter.
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Adis et al., U.S. Appl. No. 11/237,976, entitled: Pressure Balanced Brush Seal, filed Sep. 29, 2005.
Adis William Edward
Couture Bernard Arthur
Chang Rick K
General Electric Company
Nixon & Vanderhye P.C.
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