A turntable apparatus driven directly by an electronically commutated motor having a speed of 33 1/3 rpm or 45 rpm which decreases the rumble and the wow and flutter to a minimum and assures these characteristics for a long time, the changing and adjusting of the turntable speed are carried out electronically without any mechanical mechanism, and the turntable is self-starting and can be built in a short time.

A process for preparing a novel polyglycidyl xylylenediamine having an epoxy equivalent of 90 - 200 which comprises reacting xylylenediamine with epichlorohydrin and dehydrochlorinating the resulting interdediate with an alkali. A heat-curable resinous composition comprising said polyglycidyl xylylenediamine exhibits a low viscosity suitable for casting and adhesive, and a cured product therefrom has a high heat distortion temperature. 13 Claims, No Drawings

Azachromone-2-carboxylic acids, processes for their preparation, pharmaceutically acceptable derivatives thereof and compositions containing them. The compounds of the invention are indicated for use in inhibiting the effects of antibody-antigen reactions. 8 Claims, No Drawings

2,3-DIHYDRO BENZOFURANYL-5-ESTERS, PARTICULARLY ESTERS OF ALKYL SULFONIC ACIDS WHICH POSSESS PHYSIOLOGICAL ACTIVITY, WHICH ARE PARTICULARLY USEFUL AS HERBICIDES AND ALSO AS PLANT GROWTH REGULANTS. 8 Claims, No Drawings

This invention relates to a traversing mechanism for fast yarn winding in packages or the like. In a mechanism for imparting traversing motions to yarn with a plurality of adjacent endless belts passing around two or more pulleys and running opposite to each other in the same plane, this invention is in carrying out the delivery of fibers by thread guides mounted on said belts and with guide disks disposed between the belt adjacent to each other thereby to reverse the yarn-advancing direction.

Bis-chromonyl compounds of the formula: ##SPC1## And therapeutically acceptable salts, esters and amides thereof, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are the same or different and each is H or halogen, lower alkyl, hydroxy, lower alkoxy, substituted lower alkyl or substituted lower alkoxy, and X is a saturated or unsaturated, substituted or unsubstituted, straight or branched polymethylene chain which may be interrupted by one or more carbocyclic rings or oxygen-conta...

This apparatus for forging crankshafts and like parts comprises a fibrating apparatus proper and a separate distributor adapted to control the movable elements of the fibrating apparatus through hydraulic transmission means.

This invention relates to apparatus for reshaping both edges of an aluminum strip of 0.2-3.00 mm. in thickness into rounded smooth edges adapted for an electric conductor. The edge of the strip has irregular burrs resulting from slitting of the aluminum strip of commercial width. In operation, the strip is pulled from its coiled supply, through a three-roll assembly, engaged with the groove of the reshaping rolls, through a cleaning chamber, and finally to a recoiler to be coiled again. The resh...

Tooth-paste compositions consisting essentially of sodium chloride or marine salt, hydroxy-ethyl or -methyl cellulose, glycerol, a condensation product of ethylene oxide and polyoxypropylene glycol, a polishing agent such as dicalcium phosphate dihydrate, sodium metaphosphate or calcium orthophosphate, colloidally dispersed silica, the sodium slat of saccharine and/or sodium cyclamate, flavorings and water in such proportions as to provide a paste of acceptable taste and consistency. 6 Claims, N...

A process is described for preparing a compound having a 13-hydrocarbon substituted-gona-1,3,5(10),8,14-pentaen-17.alpha.-o1 nucleus from a compound having a 17.alpha.-hydroxy-13-hydrocarbon substituted-8,14- secogona-1,3,5(10),9,15-pentaen-14-one nucleus via a compound having a 13.alpha.-hydrocarbon substituted-9,14-oxido-8,14-secogona-1,3,5(10),15- tetraen-17-one nucleus and a compound having a 13.alpha.-hydrocarbon substituted-9,14-oxido-8,14-secogona-1,3,5(10)-trien-17-one nucleus. A process...