A valve for high-pressure fluids is provided in which multiple seating is effected by multiple engagement of seating portions of the valve plug one of which is transversely outwardly of the other with an expanding tapered or flared portion so that the operator can feel the seating and so that material displaced by one seating portion of the valve plug bucks or is in opposition to the material displaced by the other.

A sprinkler of the actuator arm and temperature responsive strut type is provided with heat transfer fins mounted on the strut close to the fusible portion thereof and which has a greatly reduced thermal lag.

A flare burner for waste combustible gases from oil refineries and the like is disclosed which includes a stack for the gases with central air duct and steam pipe, the stack having outwardly extending vanes with gas delivery slots, the tops of the vanes being angularly disposed in a plane with respect to radial lines through the center of the stack for a swirling action of the burning gas. The stack has a closure plate with flame retention openings. An interior back flow preventing diode can be ...

A heavy duty soil sampler is provided which includes a driving head that is detachably connected to a split plug which is fixedly secured to a hollow split barrel with the head and plug retained together by set screws engaged in a groove in the plug. The barrel is held together at the lower end by a hollow shoe in threaded engagement therewith.

A spiral tube winding machine is disclosed having an improved heavy duty drive for the drum cylinders which through a belt winds a spiral tube onto a mandrel. The positions of the drum cylinders are adjustable to accommodate different sizes of mandrels and tubes and the driving mechanism accommodates itself to such adjustment without the necessity for removing and replacing gears in the driving mechanism.

A carrier is provided for transporting various detergents, bleaches and fabric softeners to a laundry for use which carrier is of multi-compartment configuration with a plurality of moisture proof shock resistant containers disposed therein with screw type caps and measuring dispensers, the carrier including an outer housing readily accessible for use and with a handle for transporting.

The invention described herein relates to a tool post for a lathe comprising one or more pairs of locating stations. The locating stations in a pair are inclined to each other and disposed in a common plane and means are included for mounting the tool post upon a lathe. In use, when a tool or tool holder is located in one of the stations in a pair, it is disposed in the said common plane.

A metering valve for precision flow control of fluids is shown having a body with a valve stem in threaded engagement in a valve holding member in the body for advancing and retracting movement to adjust the position of the stem. The body has a bushing or sleeve, preferably of resilient synthetic plastic material interposed between inlet and outlet fluid connections and exposed to the upstream pressure and a portion of the valve stem extends into the sleeve which portion is provided with a taper...

Apparatus is provided for continuous withdrawal of blood from a human donor, separation preferably of granulocytes therefrom by extracorporeal circulation and filtration of the blood and return of leucocyte-poor whole blood to the donor, controls being provided for the flow of the blood within the apparatus so that the volume of the blood processed can be known and controlled at any particular time.

A crude oil burner is provided particularly suited for offshore oil well testing,having a plurality of aligned and spaced air cones to the rear end of which crude oil is delivered, and into which air is induced. Air is also available at the space between the cones and at the front of the front cone. Water is sprayed into the flame from a ring at the rear of the front cone and beyond the front of the front cone from a ring at the front of the front cone to provide smokeless combustion.