Method of making a tubular shaft of helically wound filaments

Details Method of making a tubular shaft of helically wound filaments Method of making a tubular shaft of helically wound filaments

1974-07-24

1976-07-20

Dier, Philip

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156175, 156252, 156285, 156425, 156433, 156441, 138144, 428 36, 428222, B32B 3118, B65H 8100, B29C 1704, F16L 916

Patent

active

039704955

ABSTRACT:
A tubular member which is ideally suited as a drive shaft for transmitting power from an engine to a remote station such as the drive shaft for a helicopter tail rotor or a remotely mounted propeller or rotor and a method of fabricating said member. The tubular member has a cylindrical body portion and at least one conical end portion with an integral, radial flange upstanding therefrom. The wall of the tubular member is composed of a plastic having embedded therein at least one layer of continuous filaments of fibrous reinforcing material with each layer of such material comprising two adjacent thicknesses of filaments. The filaments are in parallel alignment in each thickness and in diagonal orientation between thicknesses at a first helix angle in the cylindrical body portion and at a second, greater helix angle, in the conical end portion. The radial flange at the end of the tubular member is useful for interconnecting the tubular members to one another and/or to a power source such as an engine or to a working member such as a propeller.

REFERENCES:
patent: 2744043 (1956-05-01), Ramberg
patent: 2837456 (1958-06-01), Parilla
patent: 2843153 (1958-07-01), Young
patent: 3033730 (1962-05-01), Martin
patent: 3112895 (1963-12-01), Kinney
patent: 3177105 (1965-04-01), Wiltshire
patent: 3202560 (1965-08-01), Michael
patent: 3616063 (1971-10-01), Bradley
patent: 3751004 (1973-08-01), Quirk
patent: 3772115 (1973-11-01), Carison et al.

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