Abstract: This invention relates to a process for the continuous production of a manifold carbonless form having one or more surfaces coated with capsular chromogenic material. The process comprises providing a plurality of continuous webs and advancing each continuous web of the plurality of continuous webs at substantially the same speed, the plurality of continuous webs being spaced apart and being advanced in a cooperating relationship with one another. At least one web of the plurality of continuous webs is marked with a pattern and at least one non-aqueous, solvent-free coating of the capsular, chromogenic material is applied to at least a portion of at least one continuous web of the plurality of continuous webs. The non-aqueous, solvent-free coating is then set followed by collating of the plurality of continuous webs. The collated, continuous webs are placed in contiguous relationship to one another to create a manifold form.

Abstract: A metal article having perforations therein whose transverse cross-sectional dimension is less than 0.4 mm has formed thereon a surface diffusion alloy by applying a refractory filter element to the workpiece surface prior to the diffusion treatment, the filter element being a refractory felt based on metal fibres including chromium in a proportion by weight of from 10 to 60%. The felt is oxidized to give a layer of chromium oxide. This is followed by conventional thermochemical powder diffusion treatment in the presence of at least one chromium oxide-reducing element selected from aluminium, yttrium, titanium and the lanthanides.

Abstract: A finish composition for fibrous material such as carbon, graphite or silica fibers comprises an aqueous emulsion of an elastomer and a lubricious substance which are both dispersed in the aqueous emulsion. The elastomer comprises a latex of butyl rubber or butadiene/nitrile type rubbers, and the lubricious substance comprises an emulsion of a hydrocarbon type wax such as paraffin. The aqueous emulsion which includes a dispersant such as water proportioned to provide the emulsion with a solids concentration of up to about 1% is applied as a size to the fibrous material, following which the water is driven off such as by use of elevated temperatures to cause the lubricious substance to separate from the elastomer and exude to the surface of the elastomeric sheath surrounding the fibrous material. The finish may be used as an aid to weaving, in which event it is applied to fibers such as carbon or graphite fibers prior to weaving and then removed after the weaving is completed.

Abstract: A thin film plastic is centrifugally cast against an aluminum preform which is placed in a precisely machined polygonal master in a conventional replica process. The plastic which may be an epoxy material is applied to the preform master assembly with centrifugal force causing it to impact in the cavity between the preform and the master to produce a bubble-free layer. Thus, a high speed multifaceted polygonal scanning system is provided which may be employed in a flying spot scanning application.

Abstract: A hinge of the semi-concealed, wrap-around type is provided with a slot extending transversely to the hinge axis so that with the cabinet door assembled to the door leaf of the hinge, the frame leaf of the hinge (which in its finally installed position seats on the edge of the frame) can be shifted to and temporarily secured in an angular orientation and forwardly of its finally installed position. In this position most of the parts of the frame which are ultimately covered by the frame leaf are exposed for a surface coating operation, and the door itself is in a position generally corresponding to a partly open position to facilitate the application of the coating to the inside face of the door. After the coating operation is completed the frame leaf is shifted to its finally installed position and secured to the cabinet frame.

Abstract: A process is provided for producing a pressure-sensitive carbonless transfer or record sheet comprising the steps of preparing a liquid chromogenic coating composition by mixing chromogenic material with a liquid radiation curable substance, the chromogenic material comprising either an acidic color developer of the electron donator type or a color precursor of the electron accepting type. The liquid coating composition is coated onto a web or substrate at a coat weight of from about 0.2 pounds to about 8.0 pounds per 3300 square feet of substrate. The coated web is then exposed to radiation for a time sufficient to cure the liquid coating composition to a tack-free film. A novel liquid chromogenic coating composition is produced, the coating composition comprising a chromogenic material and a radiation curable substance.

Abstract: The disclosure is of an elastomer coated textile garment characterized by a textured or "wrinkle" finish. The disclosure is also of a method of manufacturing an elastomer coated textile garment with a "wrinkle" finish. In a preferred embodiment process, the method comprises forming a glove from a base fabric of a woven or knitted fabric having a fibrous, non-woven bat attached thereto and coating the glove with an elastomer in conventional manner.

Abstract: A method for applying an organic liquid sample such as blood or the like onto an absorbent sample support. The method includes the steps of filling a reservoir with a relatively massive sample, superimposing over the reservoir a sample carrier wettable by the sample and to which the sample adheres by surface tension, then immersing the sample carrier into the sample, withdrawing the sample carrier from the reservoir with the sample adhered to the carrier by surface tension, and, contacting the sample carrier with the sample support to break surface tension between the sample and the sample carrier and to deposit the sample onto the sample support.An apparatus utilizing the method includes a reservoir for receiving a relatively massive sample, a first guide path aligned with the reservoir, and a sample carrier displaceable along said first guide path toward and away from the reservoir with the sample carrier being immersible in the sample.

Abstract: This invention is the production of a plain bearing having an aluminum interlayer and a metal overlay on the interlayer. The overlayer is for example cast on the interlayer so that it can constitute substantially the final bearing surface without machining after casting or roll-bonding. In order to enable the overlay to be cast on, the interlayer is abraded while below the surface of a tinning or other coating material in a material so that oxides can be removed from the aluminium surface and the coating applied to it without its becoming re-oxidised, and then the overlay can be applied to the coating.

Abstract: A film badge sensitive to non-ionizing radiation and a method of making same. The film badge consists of dissolved bilirubin bound in a polymeric film base and sealed within an optically transparent substrate. The film badge is useful during phototherapy for the treatment of hyperbilirubinemia in the newborn and is capable of measuring the total irradiance effective in decomposing bilirubin.

Abstract: In a process for producing polyethylene terephthalate yarn, particularly for tire cords, wherein a liquid finish is applied to the yarn, said process involving spinning and drawing steps, the improvement comprising: (a) first applying to the yarn prior to said drawing step a liquid finish composition consisting essentially of a polyalkylene glycol compound which is a mixed polyoxyethylated-polyoxypropylated monoether prepared in accordance with the equation: ##STR1## where R is an alkyl group having 1 to 8 carbon atoms, x and y are the number of moles of propylene oxide and ethylene oxide respectively and wherein ethylene oxide comprises 40 to 60 percent by weight of the combined total of ethylene oxide and propylene oxide and x+y has a value to produce a molecular weight of from 300 to 1,000; and then (b) applying to said yarn after said drawing step a liquid finish composition consisting essentially of about 70 to 95 parts by weight of said mixed polyoxyethylated-polyoxypropylated monoether, about 5 to 30 p

Abstract: Method of making a leather-like sheet material having a low bounce impact elasticity, which comprises: (a) mixing (i) a solvent solution of a polymer (A) consisting mainly of an elastomer and (ii) a dispersion in a liquid of a polymer (B) consisting mainly of an elastomer, thereby obtaining a composite solution containing fine particles of (B) dispersed in a solution of polymer (A); (b) coating a sheet or impregnating a fibrous mat substrate with the composite solution; (c) immersing the substrate in a coagulation bath to deposit and coagulate both polymers; and (d) drying said sheet or mat.

Abstract: A glass fiber sizing composition comprising a phenolic epoxy resin; the reaction product of a partial ester of a polycarboxylic acid which contains one or more unesterified carboxyl groups with a compound containing more than one epoxy group; a glass fiber lubricant; sufficient emulsifiers to impart a homogeneous mixture; a saturated fatty triglyceride; a silane coupling agent and a major amount of water. Glass fibers sized in accordance with the invention exhibit excellent reinforcing characteristics.

Abstract: A process for semi-automated production of mammalian cell slides, which includes dispensing suitable culture medium automatically in a plurality of containers in a culture tray, adding mammalian cells and incubating, removing the supernatant from the resulting cells simultaneously from the plurality of containers, adding hypotonic fluid simultaneously to the plurality of containers and following the treatment of hypotonic fluid by fixatives, collecting the resulting cell suspension in a dispenser manifold and discharging the cells on slides provided by a slide dispenser and spreading the cells in a cell spreader.

Abstract: Process for the production of a crimped metal-coated continuous-filament or a crimped yarn of a plurality of metal-coated filaments which filament or yarn is adapted for combination with other filaments to form an improved yarn for use in making anti-static fabrics, such as pile carpets or the like, wherein the continuous-filament or yarn comprising a plurality of filaments is first made into a knitted fabric, the fabric is treated to deposit a continuous metal coating on the filament or yarn thereof, and the coated fabric thus obtained is deknitted, thereby yielding the metal-coated continuous-filament or yarn in a crimped disposition characteristic of the knitted loop construction existing in the knit fabric. Heat treatment of the crimped filament or yarn after the metal-coating step significantly improves its anti-static properties when incorporated into fabric.

Abstract: Sheet metal having a partially cured organic thermosetting coating thereon and method of forming drawn and ironed seamless containers therefrom.

Abstract: Water swellable absorbent articles, made from carboxylic polyelectrolytes, together with methods for their preparation, and a composition useful to make said articles are disclosed. The articles are crosslinked by heating and/or removing substantially all of the water from the precursor composition.The absorbent articles are useful as surgical sponges, diapers, tampons, meat trays, bath mats and the like.

Abstract: A caster utilizing mounting structure, leg structure rotatably mounted on the mounting structure, and a wheel rotatably mounted upon the legs wherein the relatively movable parts of the caster are sealed against the entrance of foreign matter by means of a resilient synthetic material cover. In the method of constructing a caster in accord with the invention components thereof are coated with the coating material, such as by dipping, and the coating material, after curing, is severed at the desired locations to form sealing edges between relatively movable components. In a preferred method of forming the caster, mandrels having a configuration similar to the final caster components may be employed, however, it is within the scope of the invention to use the caster components themselves for molding purposes wherein the sealing material is later severed at the desired locations.

Abstract: A multi-component thermoplastic fiber comprising a specified component of a copolymer of the vinyl series, and having very excellent drawability at a low temperature and excellent dimensional stability and a method of obtaining said product.

Abstract: Textile materials are treated with an alkaline aqueous medium having a pH value of 7.5-11 and containing 0.25-4% by weight of a dissolved water soluble hydrophilic soil release polymer having carboxylic acid groups and 0.05-1% by weight of a dispersed hydrophobic soil repellent fluorochemical. The soil release polymer and the soil repellent fluorochemical are deposited on the surfaces of the textile fibers and the resulting textile material is dried to impart the desired nondurable soil release and soil repellency properties. The aqueous medium also may contain polyvinylpyrrolidone to further improve the finish. In a preferred variant, the textile material is first contacted with an alkaline aqueous solution of the soil release polymer, and thereafter with an alkaline aqueous medium containing the dispersed soil repellent fluorochemical to reduce the tendency of the deposited soil release polymer to cover the deposited soil repellent fluorochemical molecules.

Abstract: This invention relates to a process for making carrier sheets containing hardenable polyester resins by treating the carrier sheets with solutions or emulsions of polyester resins, which comprisesA. impregnating the carrier sheet with an aqueous solution of a hardenable water-soluble polyester resin,B. substantially drying the carrier sheet containing the aqueous solution of the hardenable polyester resin,C. applying a polymerizable unsaturated compound onto the resin-containing carrier sheet in a quantity sufficient for subsequent cross-linking,D. coating the treated resin-containing carrier sheet with a solution or an aqueous dispersion of a water-insoluble hardenable polyester resin containing a cross-linking agent, andE. substantially drying the resultant product of the process.

Abstract: The mechanical strength of glass is improved by applying a fluid epitaxially active crystalline primary layer to a glass plate consisting of a glass inclined to crystallization. The glass plate with the mentioned fluid layer thereon is subjected to a temperature treatment to cause a reaction between the glass plate and the primary layer. During this reaction, the primary layer is effective to cause in and near the surface of the glass plate an elimination of at least a portion of the crystals which have a smaller thermic expansion coefficient than the starting glass of the glass plate.

Abstract: An improved technique is described for effecting decarbonization protection for the surfaces of ferrous metals during heat treatment in an oxidation atmosphere. The surface to be protected is coated, prior to the heat treating step, with a paste-like substance preferably formed from a mixture of boron carbide, potassium boron fluoride, borax and an aqueous binder. The resulting protective coating, which may be sprayed on the relevant surface, has a maximum thickness of .1 mm. Such relatively thin coating having the described composition, which in larger thicknesses is useful for boron-hardening of metallic surfaces, is effective to provide the required decarbonization protection without the accompanying disadvantages of excessive boron atom diffusion.

Abstract: Water swellable absorbent articles, made from carboxylic polyelectrolytes, together with methods for their preparation, and a composition useful to make said articles are disclosed. The articles are crosslinked by heating and/or removing substantially all of the water from the precursor composition.The absorbent articles are useful as surgical sponges, diapers, tampons, meat trays, bath mats and the like.

Abstract: A method of fabricating a semiconductor composite comprises providing a semiconductor substrate having a platinum layer, masking the platinum layer with a chromium mask layer, applying a patterned photoresist layer over the chromium mask layer, etching away portions of the chromium mask layer in accordance with the pattern of the photoresist layer to accordingly pattern the chromium mask layer, then etching away portions of the platinum layer in accordance with the etched chromium layer, and finally removing the remaining portions of the chromium mask layer. The chromium layer is interposed between the platinum and photoresist layers due to its excellent adhesive compatibility with both the platinum and the photoresist layers and the presence of the chromium layer effectively prevents the etching solution for the platinum from penetrating between the platinum and photoresist layers.

Abstract: Method and apparatus for providing a completely encircling coating of an organic polymeric material on a localized region of a glass container. At a coating station, a glass container is rotated through at least 360.degree.. During the rotation, a material application head furnishes fluid organic polymeric material to the surface of the localized region of the glass container which is to be coated. Stop members hold the application head a fixed distance from the localized region and a doctoring edge of the application head helps form a uniform layer or coating of the organic polymeric material completely encircling the localized region.

Abstract: Sheet moulding compound (S.M.C.) is made by impregnating glass fibre with hot polyester resin matrix containing a soluble gelling agent, e.g. sodium or potassium stearate which causes the matrix to gel on cooling.

Abstract: Packaging material for ferrous metal parts and the like which comprises a substrate of paper stock, transparent film or foil, and having applied thereon a coating comprehending a vapor phase corrosion inhibitor of the nitrite-amide type, and a self-sealable adhesive as from the natural and synthetic latices. The proportion of the inhibitor to the latices in the coating is in the range from 5 to 25 percent by weight depending upon the characteristics of the substrate.

Abstract: oriented polyolefin, especially polypropylene, films are produced having antistatic properties by applying to the cast extrudate an aqueous solution on at least one surface of the film of a quaternary ammonium salt of the general formula ##STR1## where X is a univalent anion or an equivalent of a multivalent anion, x and y are positive integers the sum of which is from 2 to 5, A is a lower alkyl group, and R is a univalent aliphatic radical containing from 1 to 22 carbon atoms, then the thus coated film is heated and stretched to orient it. Film forming polyolefins such as homo and co-polymers of ethylene, propylene, butene-1 and 4-methylpentene-1 are suitable, preference being given to a high molecular weight stereoregular predominantly crystalline polymer of propylene, either as a homopolymer or copolymerized with up to 15 weight percent of other unsaturated monomers, such as ethylene.

Abstract: antistatic polyolefin films, particularly oriented polyolefin, are produced by extruding a polyolefin to form a cast extrudate, and applying to at least one surface of the cast extrudate a solution or dispersion in a volatile vehicle an amine sulfate or mixture of amine sulfates having the general formula ##STR1## where x is a positive integer, y is zero or a positive integer, the sum of x and y is from 2 to 5, A is a hydrogen atom and when y is zero A may also be a lower alkyl group, and R is a univalent aliphatic radical containing from 8 to 22 carbon atoms, and afterwards heating and stretching the extrudate to orient it. Preferred materials include amine sulphates in which the sum of x+ y is 2, A is hydrogen and R is a mixture of aliphatic hydrocarbon radicals having 8 to 18, preferably 12 to 18, carbon atoms particularly those derived from tallow or soya oil or derived from coconut oil. Examples of suitable amines from which amine sulfates may be prepared are the Endomeen's T/12, S/12 and C/12.