Device for connecting tubes end-to-end and gas launcher fitted w

Details Device for connecting tubes end-to-end and gas launcher fitted w Device for connecting tubes end-to-end and gas launcher fitted w

1992-08-19

1994-04-19

Look, Edward K.

Power plants

One shot explosion actuated expansible chamber type motor

89 8, 285357, 285920, 285 18, F16L 1500, F41F 100

Patent

active

053035534

ABSTRACT:
A device for connecting two tubes end-to-end. At least one of the tubes is movable longitudinally to be connected to the other tube. A screwthreaded nut joins the two tubes. The first tube has at its end an outside screwthread of diameter d1 and pitch p1. The second tube has at its end an inside screwthread of diameter d2 greater than d1 and pitch p2 different than that p1 of the first tube. One of the screwthreads is continuous and the other is discontinuous by virtue of longitudinal lands subtending an angle at the center of the tube equal to that of the screwthreaded longitudinal lands. The nut 3 has an inside first screwthread compatible with that of the first tube and an outside second screwthread compatible with that of the second tube. The device further includes a system for immobilizing the tubes against rotation and a system for rotating the nut.

REFERENCES:
patent: 503433 (1893-08-01), McIntyre
patent: 1538395 (1925-05-01), Gane
patent: 2882796 (1959-04-01), Clark et al.
patent: 3442536 (1969-05-01), Fowler
patent: 3913949 (1975-10-01), Senatro
patent: 3994516 (1976-11-01), Fredd
patent: 4185856 (1980-01-01), McCaskill
patent: 4658699 (1987-04-01), Dahm
patent: 4717183 (1988-01-01), Nobileau
Armendt et al., "Hypervelocity Guns", Nov. 1962, pp. 17-19.
Kimura et al., "Two-Stage Hypersonic Gun Tunnel of Kobe University" Mar. 1973, pp. 221-233.

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