Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1993-08-26
1995-07-25
Aftergut, Jeff H.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156169, 156173, 156428, 156432, 921711, B65H 8100
Patent
active
054358680
ABSTRACT:
Hydraulic cylinders made of fiber-resin composite materials have a central piston chamber section and bell-shaped internally threaded end sections. Cylinders are made by winding resin coated fibers over a mandril over which externally threaded sleeves are slipped and spaced apart so as to define the end sections. After curing the resin, the winding is cut in the areas of the sleeves to separate the cylinders. An expendable strip is wound onto the sleeves and in the cutting operation is cut into. A bearing, a seal cavity and an enlarged inside diameter at a piston rod end of the cylinder may also be provided using a method of the invention, with the cylinders being cut apart between the ends of sleeves and between the other ends of the cylinders.
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Applicant's Exhibits A & B --Photographs of fiber-resin composite cylinder, admitted prior art.
Waldenstrom Carl G.
Yu Xudong
Aftergut Jeff H.
Applied Power Inc.
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