Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate
2005-03-08
2005-03-08
Aftergut, Jeff H. (Department: 1733)
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
C156S191000, C156S194000, C156S293000, C464S181000
Reexamination Certificate
active
06863763
ABSTRACT:
The propeller shaft comprises a transmission shaft10consisting of a hollow metal tube11with excellent torque transmissibility and a composite material prepregs12having higher specific stiffness than a metal material and stacked to the inner surface of the metal tube, and metal yokes40mounted on both ends of the transmission shaft and assembled with other devices. The composite material prepregs is co-cure bonded while applying an axial compressive preload to the transmission shaft and creating a vacuum in a space between a vacuum bag inserted in the transmission shaft and the composite material prepregs of the transmission shaft. Teeth43or embossments44,and adhesive-retaining grooves45are formed on inner surfaces of the metal yokes, so the transmission shaft is desirably compression-fitted into the metal yokes. Accordingly, the propeller shaft has advantages of securing improved impact, abrasion, and water resistance.
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Cho, Durk H., et al “Manufacture of one piece automotive drive shafts with aluminum and composite materials” Coposite Structures, vol. 38, No. 1-4, May-Aug. 1997, pp. 309-319 (1997).
Shields, J. “Adhesives Handbook”, CRC Press, 1970, pp 235-239 (1970).
Kim Hak Sung
Kim Jin Kook
Kim Jong Woon
Lee Dai Gil
Aftergut Jeff H.
Graybeal Jackson Haley LLP
Korea Advanced Institute of Science and Technology
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