Abstract: A method and device are disclosed for performing supercritical fluid chromatography in packed columns of at least about 0.5 mm inside diameter. The column provides at least 50,000, preferably at least 100,000, theoretical plates with pressure drop across the column of at least 25 bar. The outlet pressure is controlled by the back pressure regulator. The column may comprise a plurality of individual columns in series. Separation is performed at a rate of at least 25 plates/min, preferably at least 100 plates/min.

Abstract: A jig-type fishing lure which includes a jig head having a portion of a hook shank embedded therein. The hook extends rearwardly from the jig head through a curved bight portion to a barb, and the lure further includes a bore or passageway extending through the jig head parallel to the hook shank in the upper portion of the jig head. A flexible retrieving line is extended through the bore so that one end of this line can be secured around the shank of the hook immediately rearwardly from the jig head. The line emerges from the bore through the jig head at its forward end. Deflecting bristles extend from one side of the jig head toward the barb of the hook and function to enable the lure to more effectively traverse weeds and other obstructions without fouling.

Abstract: A fishing lure which includes a hard body having a light reflective metallic coating adjacent the body, and having a monolayer of small glass spheres overlying the metallic coating. The glass spheres are preferably solid and have a diametric size in the range of from about 40 microns to about 75 microns. The glass spheres are embedded in a coating of clear lacquer or polyurethane.

Abstract: A blow molded container for liquids is vertically stackable with geometrically similar containers. Each container has a unitary body formed of an extruded parison the thermoplastic material. The containers have a bottom surface which includes a release groove bifurcating the bottom surface, the release groove including a remnant portion of the parison forming a web-like external rib depending downward within the release groove. A top surface of the container includes an opening closed by the cap and includes a notch which receives the remnant portion of the parison of a geometrically similar container stacked thereon to laterally locate and stabilize the relative positions of the stacked containers.

Abstract: A high speed floor buffing machine equipped with a pad holder for an X-shaped buffing pad is disclosed. The arms of the pad holder have a wedge-shaped cross section that acts as an air foil to create air currents that flow up between the arms of the buffing pad. The casing surrounding the pad has a specially designed tunnel-like spiral diffuser that guides the air currents into a collection box. The casing also has a flexible skirt mounted to the lower edge thereof, extending around three-quarters of the casing periphery, and closing the gap between the casing and the floor. The chassis has two pair of wheels and is designed so that when the buffing machine is off, the machine rests entirely on the wheels with the buffing pad raised off the floor, and when the machine is on, the air currents urge the pad against the floor with a predetermined pressure. Alternate embodiments of the pad holder are disclosed.

Abstract: A fishing lure which includes a hollow body generally resembling a natural bait species and having a diving plane at the forward end, and a tail at the rear end thereof. The lure further includes an upper body half and a lower body half. The upper body half joins the lower body half in a longitudinal medial plane which extends rearwardly from the diving plane to the tail of the lure. A graphite pull section is affixed to the diving plane so that a projecting blade portion of the graphite pull section extends upwardly from the upper side of the diving plane, and carries a hole for attachment of a fishing line. The lower body half has a pair of laterally spaced, longitudinally extending chines formed thereon to improve the hydrodynamic properties of the lure as it is retrieved.

Abstract: An artificial structure for attracting fish, which structure includes a ballast and anchoring subassembly having an elongated trunk detachably and pivotally connected thereto and extending in a generally vertical direction therefrom. A plurality of elongated leaf fronds are each centrally engaged with the trunk at longitudinally spaced intervals along the trunk.

Abstract: A high speed floor buffing machine equipped with a pad holder for an X-shaped buffing pad is disclosed. The arms of the pad holder have a wedge-shaped cross section that acts as an air foil to create air currents that flow up between the arms of the buffing pad. The casing surrounding the pad has a specially designed tunnel-like spiral diffuser that guides the air currents into a collection box. The casing also has a flexible skirt mounted to the lower edge thereof, extending around three-quarters of the casing periphery, and closing the gap between the casing and the floor. The chassis has two pair of wheels and is designed so that when the buffing machine is off, the machine rests entirely on the wheels with the buffing pad raised off the floor, and when the machine is on, the air currents urge the pad against the floor with a predetermined pressure. Alternate embodiments of the pad holder are disclosed.

Abstract: The disclosure relates to an electric buffing machine which is equipped with an X-shaped buffing pad that is mounted to a similarly X-shaped pad holder. The arms of the pad holder have a wedge-shaped cross section that acts as an air foil to create air currents that flow up between the arms of the X-pad. The casing surrounding the pad has a specially designed tunnel-like spiral diffuser that guides the air currents entered into a collection box. The casing also has a flexible skirt mounted to the lower side thereof, extending around three-quarters of the casing periphery, which closes the gap between the casing and the floor. The chassis has two pairs of wheels and is designed so that when the buffing machine is turned off, the machine rests entirely on the wheels with the buffing pad raised off the ground. When the machine is turned on, the air currents pull the pad to the floor with a predetermined pressure.

Abstract: An improved freeze-harvest cycle control system for use in tubular type refrigerated ice makers having a water level control pan wherein a drop in the control pan water level is detected and used to initiate the harvest cycle. Temperature controls on the water tube discharge are used in conjunction with the water level control means to insure completion of the harvest cycle before commencement of the freeze cycle.