Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1987-04-01
1988-08-09
Ball, Michael
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
57249, 57250, 57251, 156175, 156177, 156178, 285423, 285919, B65H 8100
Patent
active
047625830
ABSTRACT:
A composite structure comprises at least one ply comprising approximately parallel unidirected twines comprising helically-configured matrix-impregnated continuous strands of filament reinforcements to provide a flanged composite cantilever spring which serves as the principal constituent of a coupling structure. An interior ply of a coupling structure body member comprises unidirected longitudinal twines configured at a body member extremity to provide a flange member connected to a cantilever spring. An exterior ply is disposed transversely of and superimposed upon the interior ply to provide the cantilever spring hinge line. The composite cantilever spring can be constructed to deflect about either a straight or curved hinge line. A preferred tubular form of the coupling structure comprises at least one end configured as a polygonal array of flanged cantilever springs which serve as the socket end of a spring-lock coupling used to connect mating flanged spigot-end structures. A preferred segmented form of coupling structure comprises two semi-circular flanged cantilever spring members assembled and deflected by an encircling retaining sleeve.
The method and apparatus for making a composite in the form of a preferred coupling structure comprises placing first ply loops of longitudinal twines upon a pin-ended forming surface, transversely placing a second ply of twines upon the first ply twines to deflect them into flange-forming cavities, hardening the twine-impregnating matrix, removing and slotting the flanged spring members to provide the desired coupling structure.
REFERENCES:
patent: 2775860 (1957-01-01), Morrison
patent: 3893878 (1975-07-01), Kaempen
patent: 4055941 (1977-11-01), Rivers, Jr. et al.
patent: 4110144 (1978-08-01), Buehler et al.
patent: 4385644 (1983-05-01), Kaempen
Aftergut Jeff H.
Ball Michael
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