Abstract: A clock has a striking mechanism separate and discrete from the clock mechanism. The two mechanisms are located in side-by-side relation and aligned by a pin common to both mechanisms. The striking mechanism comprises striking means and control means, for limiting the strikes to a predetermined number corresponding to the particular time indicated by the clock. Both the striking means and the control means are actuated, through respective linkages, by a driven gear pivotable between a driven position in which the driven gear is in meshing engagement with a constantly rotating gear, driven by the clock mechanism, and a disengaged undriven position. Part of the control means on the striking mechanism is synchronized for continuous movement with the hour hand shaft on the clock mechanism using a linking gear mounted on the pin common to both the clock mechanism and striking mechanism.

Abstract: These are described compounds of formula I, ##STR1## in which R is a cycloalkyl group, N IS 0, 1 OR 2,R' is hydrogen, phenyl, alkyl C 1 to 6, cycloalkyl C 4 to 6, alkyl-cycloalkyl C 5 to 8, or phenyl-(alkyl C 1 to 6),x is a whole number from 0 to 8, andy is a whole number from 0 to 5.There are also described processes for making the compounds and pharmaceutical, e.g. haematinic, compositions containing the compounds.

Abstract: Relief valve means for dissipating positive compressor pressures which could exist within an industrial vacuum unit after the unit is shut down. A high capacity one-way flow type of valve is mounted on the unit to allow a vacuum to be created within the unit during normal operation and to prevent a build-up of undesirable positive pressure that can result from the brief reverse operation of the compressor immediately after the power is shut off.

Abstract: An industrial brake for application to an electrically-driven shaft in the event of power supply shut-down. The braking thrust is infinitely adjustable within a predetermined range by screw adjustment of the angle between a pair of levers pivoted to a brake control member at a single pivot. The remote ends of the levers are pivoted to respective arms carrying brake shoes for application to the shaft. A coiled spring tends to pull the brake "on" but an electrically-controlled thrustor normally overcomes the spring force except when its power supply is shut-down.

Abstract: Ski boot with a semi-rigid shell and flex-adjusting means. A vertical split portion in the shell is provided with apertures on each side of the split spaced along its length. A clip including two spaced parallel legs is inserted from the inside of the boot into a selected pair of apertures to limit the extent of separation of the split in response to pressure on the boot, thus controlling the flex of the boot.

Abstract: A hand-held, tooth enamel-stripping apparatus having a handle portion, and a guiding portion extending from the handle portion to a free end. One end of an abrasive metal band is secured to a U-shaped member connected to the free end of the guiding portion, and the other end of the band is tensionably secured to a locking mechanism, spaced from the U-shaped member, and connected to the handle portion. The band is mounted to the apparatus adjacent the guiding portion so that when the band is inserted between adjacent teeth, the guiding portion rests adjacent a tooth crown for guiding the apparatus during its reciprocal, tooth-stripping movement.

Abstract: Lead is recovered from the lead-containing sludge from used batteries by first heating the sludge at 100.degree. - 150.degree. C to drive off the water. The sludge is subsequently reacted at about 1,000.degree. C with carbon powder in a closed electric furnace. The relatively small volume of water-free waste gas produced leads to a marked saving in energy. Not only dust but also the SO.sub.2 can be removed simply from the waste gases.

Abstract: There is described a method for the treatment of gingivitis (and particularly chronic gingivitis) which comprises administering an effective quantity of 1,3-bis(2-carboxychromon-5-yloxy)-2-hydroxypropane, or a pharmaceutically acceptable salt thereof, as active ingredient, to a patient suffering from gingivitis.

Abstract: A chain lubricating device in which lubricating fluid passes through an inlet line into a shaft to a piston chamber in a pump body where the lubricating fluid is then evacuated to discharge device located on a sprocket to which the pump body is attached, both the pump body and sprocket being adapted to rotate about the fixed shaft. The pump body has a piston and cylinder for receiving and for evacuating lubricating fluid. When the lubricating fluid is evacuated it passes through a passage from the pump body to the sprocket positioned on the shaft. As the sprocket and the pump body rotate about the shaft, the lubricating inlet manifold in the shaft will intermittently align itself with the inlet to the pump body to receive a lubricating fluid, while at the same time the lubricating outlet manifold of the shaft intermittently aligns itself with a passage leading to the sprocket. The lubricating fluid then enters the sprocket and is then discharged from an outlet onto the conveyor system.

Abstract: An omnidirectional antenna apparatus for processing received FM stereophonic radio signals to substantially eliminate multipath distortion in the stereophonic sound reproduced by a radio receiver coupled thereto.

Abstract: A seat back for the corner seat in the last row of seats in a mass transit bus where access to the rear of the seat back is extremely limited. The seat back comprises a shell portion and a removable pad portion carrying fasteners which extend rearwardly through openings in the shell portion. A pair of fasteners are engaged by a locking member, at the rear of the shell portion, which is slidably movable between unlocking, partially locking and totally locking positions. A latch is engageable with the locking member to hold the latter in its totally locking position.

Abstract: A color indicator apparatus for determining the presence of oxygen which comprises a container which permits flow of gas thereto, an ampoule in the container, said ampoule containing a redox color indicator liquid, and an absorbent material, for the liquid in the ampoule, in the container. Typically the redox color indicator is methylene blue or resazurin. The apparatus is useful for determining if an anaerobic atmosphere exists around a micro-organism culture.

Abstract: A blow-wave brush for drying and styling the hair comprises a cylindrical heat-conducting cage surrounding a cylindrical brush, the tufts of the brush projecting beyond the surface of the cage. The brush is provided with means for blowing hot air into the cage. The hair is styled by contact with the hot cage and with the flow of hot air while being held in position by the tufts of the brush.

Abstract: Disclosed are 5,6,7 or 8-nuclear substituted benzamido-1,2,3,4-tetrahydroisoquinolines of the formula ##STR1## in which R is a phenyl containing one to three hydroxyl, nitro, halo, lower alkyl or lower alkoxy groups, and R.sub.1 is hydrogen or a lower alkyl. The compounds lower blood pressure in animals.

Abstract: An ankle pad insert for use in a boot, which covers the ankle of the wearer, including a ski boot, having a relatively stiff shell and a flexible liner disposed within said shell, the ankle pad insert being less dense than the density of the liner material and being adapted to fit in a recess located in the liner in the area where the ankle joint of a wearer contacts the liner.

Abstract: An improved solar heat generator incorporates a novel finned heat-absorbing and transfer plate which employs upstanding fins of relatively small length which are arranged in uniformly spaced rows across the direction of gas flow, with the fins in each row laterally displaced a constant, relatively short distance from the position of the fins in the upstream adjacent row.

Abstract: Heterocyclic esters of 1,4-ethano-1,2,3,4-tetrahydro-5H-[1]benzopyrano[3,4-b]pyridines and 1,4-ethano-1,2,3,4,13,14-hexahydro-5H-[1]benzopyrano[3,4-b]pyridines. The esters have the formulas ##STR1## wherein R.sub.2 is lower alkyl, R.sub.3 is an alkyl having one to twenty carbon atoms, a cycloalkyl-lower alkyl or a phenyl-lower alkyl, Y is a straight or branched chain alkylene having one to eight carbon atoms, and R.sub.4 is a group of the formula ##STR2## wherein a is an integer from 1 to 4, b is an integer from 1 to 4 and X is CH.sub.2, O, S or N--R.sub.5 with R.sub.5 being hydrogen or lower alkyl, and R.sub.6 is hydrogen or a lower alkyl group bonded to a carbon in the ring.The compounds have pharmacological activity, including analgesic, anti-convulsive and tranquilizing activity in animals. The compounds can be administered in pharmaceutical composition form.

Abstract: Method of removing coarse materials and chemical and mineral impurities from clay in order to produce a purified high solids suspension of said clay which method involves mixing a crude clay with water and a dispersing agent to form a high solids slurry; subjecting said slurry to intense centrifugal forces for a short period of time; separating said coarse material and said chemical and mineral impurities; and recovering the suspended clay as a fine fraction having a reduced content of coarse material and impurities.

Abstract: A culture collecting and transporting apparatus comprising a closable container having a collected culture receiving depot therein, means in the container for supplying a culture medium to a culture placed on the depot, and chemical means in the container selectively activated after a culture is placed on the depot, said chemical means when activated supplying gaseous carbon dioxide, and a reducing agent system effective for reducing oxygen, at least in the container space surrounding the collected culture. The reducing agent system may comprise a reducing gas and a catalyst for inducing reaction of the oxygen with the reducing gas. The reducing gas may be hydrogen.

Abstract: A gas generating apparatus, for use in microorganism maintenance during sample transport, storage or incubation, comprising a container having an opening, a gas generating solid material in the container, an ampoule containing a liquid which is reactive with the solid material to produce a gas, said ampoule being openable from outside the container to free the liquid to contact the solid material, and means in the container which prevents liquid from flowing from the container after the ampoule is opened but which permits flow of gas generated in the container out of the container opening. A solid desiccant material may be put in the container to absorb water which may enter the container before the ampoule is opened, thereby preventing degradation or premature reaction of the gas generating solid material.A reducing gas, such as hydrogen, is generated alone or with carbon dioxide. The hydrogen catalytically combines with oxygen to form an anaerobic atmosphere.