Abstract: The invention is a system for securing a hairpiece to a defined portion of a person's scalp. The system comprises:a) a plurality of first magnets adapted to be surgically implanted between the skin of the defined portion of the person's scalp and the person's skull, said first magnets being shaped like flat disks and coated with a hypoallergenic material; andb) a hairpiece adapted to cover the defined portion of the person's scalp, said hairpiece comprising:(i) a base fabric;(ii) a plurality of fibers secured to one side of the base fabric; and(iii) a plurality of second magnets, said second magnets being fastened to the other side of the base fabric. After the first magnets are implanted beneath the scalp, the hairpiece is secured to the scalp by magnetic attraction between the first and second magnets.

Abstract: The invention is a device for teaching children about good nutrition, comprising a board divided into a plurality of regions and a plurality of tokens adapted to stick to the board. The tokens comprise at least:a) a plurality of first tokens, each of the first tokens corresponding to a single portion of a food or beverage item selected from a first specific food group; andb) a plurality of second tokens, each of the second tokens corresponding to a single portion of a food or beverage item selected from a second specific food group. The regions on the board comprise at least:a) a first region, where the first region is labelled as corresponding to the first specific food group; andb) a second region, where the second region is (1) labelled as corresponding to the second specific food group.

Abstract: A balancing mechanism for manhole covers uses two sets of conical disc springs, one stronger than the other, mounted on a common pull rod, to balance the cover as it moves from the open vertical position to the closed position. This provides a progressive spring force curve that balances the manhole in any position between the closed position and the vertical position. The balancing mechanism is also provided with an additional set of disc springs that absorb shock when the cover is opened rapidly. The mechanism is preferably mounted on a nozzle protection ring, which allows the system to be installed on existing glass lined vessels without welding, drilling or similar operations which might damage the lining.

Abstract: A novel leveling agent for self polishing dry-bright floor polishes having the following general structure is described: ##STR1## where R is either a non-linear aliphatic hydrocarbon or mixture of hydrocarbons containing 8 to 15 carbon atoms or an alkylbenzene moiety containing 8 to 12 carbon atoms in the alkyl chainA is either Oxygen or Sulfur atomR.sub.1 is either Hydrogen atom or CH.sub.3R.sub.2 is either Hydrogen atom or CH.sub.3a and b are small numbers or average numbers totaling no more than about 7 so that the solubility of the compounds is less than about 0.4% in water at room or application temperature, but when R is alkylbenzene moiety, A is oxygen atom only and R.sub.1 and R.sub.2 are hydrogen atoms only.

Abstract: The invention describes an electrodialytic (ED) process of converting soluble metal sulfates from a pickle liquor into insoluble metal oxides. The pickle liquor stream entering the pickle liquor chamber of ED apparatus under turbulent flow conditions is excited by acoustic energy causing the insoluble oxide to remain in suspension thus preventing the depositing of precipitate on the membrane and environs.

Abstract: A process for the preparation of an ion exchange resin of higher porosity and purity is described. The porosity is achieved by inserting polar, preferably hydrolyzable linear polymer into the polymerizing phase. The insert is later extracted from the polymerized beads.

Abstract: A method of effectively utilizing styrene still bottoms waste material is described. The waste material is primarily styrene oligomer which is sulfonated and used as a dispersing agent.

Abstract: Level dyeings of synthetic fibers with cationic dyestuffs is achieved with the use of surface active agents having the general formula: ##STR1## where R is selected from the group of aliphatic hydrocarbons containing about 8 to 22 carbons atoms, mono- and di-alkylbenzenes where the alkyl chains contain about 8 to 12 carbon atoms each, B is selected from the group of --CH.sub.2 --, Oxygen atom and Sulfur atom n is a number ranging from zero to about 4 R.sub.1, R.sub.2 R.sub.3 contain at least one cyclic or heterocyclic structure and together contain no more than one hydroxyl group A is a water-solubilizing anionX = (ch.sub.2).sub.a X.sub.1 = (CH.sub.

Abstract: A monitoring device for use in ethylene oxide sterilizing systems consists of an envelope containing an indicator coated with a dye, which besides showing a color change on completion of sterilizing cycle also indicates the completion of the subsequent aeration cycle.

Abstract: A group of new monomers containing aziridinyl functionality as well as unsaturated carbon to carbon bonds are synthesized by addition of alkylenimine to propenic acid esters of polyhydroxy compounds in controlled quantities. The monomers readily form copolymers with other monomers and find use as adhesion promoters in vinyl formulations.

Abstract: An adjustable headrest for use with the dental chairs and the like which can be tilted forward or backward with respect to the backrest of the chair. The headrest is adjusted with one hand by vertically pulling a lever to disengage a clutch mechanism while simultaneously moving the headrest to the selected inclination.