Abstract: A method for intermetallic diffusion bonding of piezoelectric components, wherein ceramic pieces with fired-on silver electrodes are stacked with a thin shim of solid indium alloy therebetween. The indium alloy preferably comprises 25% indium, 37.5% lead and 37.5% tin. The stack is placed under 150 psi compression and heated at a temperature of about 350.degree. for 30-48 hours in an inert gas. Almost immediately upon being heated, a liquid-solid diffusion takes place in which a small amount of the silver diffuses from the electrodes into the now liquid indium alloy. The alloy in the interface becomes saturated with silver producing a new quaternary alloy which has a higher melting point than the previous indium alloy shim. Thus, there is a gradual solidification of the alloy as the concentration of silver increases. After solidification of the new alloy during the remainder of the heating time, there is a gradual diffusion of the indium into the silver and vice versa.

Abstract: A quick disconnect female coupling is provided with a lever-operated valve. The lever operates a cam inside the coupling which pulls open the valve assembly of the female coupling and pushes a plunger which opens the valve of a male coupling which is connected to the female coupling. The push-pull action of the cam provides straight linear forces for opening the valves, and the cam is positioned within a large flow passage in the female coupling rather than near the valve.

Abstract: A method of hose production and product wherein a thermoplastic core tube having an outer surface has applied thereto a metallic reinforcement equipped with interstices, the assembly thus achieved being heated in selected portions adjacent the outer surface of the tube to soften the tube for migration into the interstices and thereafter cooling the migrant portions to form a uniform mechanical interlock between the core tube and reinforcement and, further, a uniform mechanical interlock between the core tube, reinforcement and cover.

Abstract: A portable hose fitting crimping machine using an interchangeable cartridge die assembly in conjunction with a portable framework so as to provide for an efficient means for crimping hoses and couplings of different sizes without reliability and calibration problems.

Abstract: A dust cover for a quick disconnect coupling in which a clamping means is attached to the female half of the coupler and supports spring means which closes the cover and aligns the same on two mutually perpendicular axes.