Abstract: A thermal ink transfer laminate wherein an ink design is transferred from a carrier support to an article, typically paper, by application of a thermal printing element to the nontransfer side of the carrier. The thermal ink transfer laminate is composed of a carrier support of paper or plastic film overcoated on one side with a heat sensitive ink coating. The heat sensitive ink coating is composed of a hot melt mix containing a coloring agent, a wax binder, and a resin binder.The coloring agent contains a dye dispersed in an unsaturated fatty acid medium. The wax binder contains a paraffin and microcrystalline wax. The coloring agent in combination with the wax binder greatly facilitates attainment of a drastic drop in melt viscosity of the design layer during thermal transfer onto a receiving article. The degree of transfer attained is virtually complete resulting in a transferred image of exceedingly high image clarity and definition.

Abstract: Colorimetric detection of bindable substances such as antibodies and antigens using chromogens of improved sensitivity and stability. The chromogens take the form of activated solutions containing tetramethylbenzidine or water soluble derivatives of tetramethylbenzidine. Such chromogens are of particular use in home testing applications for detection of antigens such as human chorionic gonadotropin, human luteinizing hormone, and gonococcus bacteria, as well as the detection of antibodies for these substances.

Abstract: A composite stamp pad for coating a stamping device with ink. The composite stamp pad is composed of a porous ink pad with a porous reservoir liner. The porous reservoir absorbs any ink which may leak from the pad due to heat or high humidity. Ink absorbed into the reservoir flows back into the pad automatically when temperature or humidity return to moderate levels. The reservoir and ink pad each have an open cell structure wherein the average pore diameter of reservoir is at least about 10 micrometers greater than the average pore diameter of the pad.

Abstract: Dielectric sealing of porous anodized aluminum, in which moisture in the pores of the coating formed by hardcoat anodizing is removed, and the porous anodized surface then impregnated with a water insoluble metallic salt. The impregnant material is a compound of a Group II or III metal with a long chain fatty acid containing between 8 and 32 carbon atoms, saturated or unsaturated. The impregnant material may be applied as a hot melt or in solution; in the former case, any excess material is removed from the surface. The resulting product has excellent resistivity and dielectric properties, and maintains these properties at elevated humidities. As a final step the surface may be polished to provide favorable toner release characteristics during pressure transfer.

Abstract: A typeholding chase which positively clamps rubber type elements, and firmly engages the elements during high speed machine operation. The chase provides secure engagement of type elements, while facilitating interchange of such elements without a need for separate tools. The chase houses a plurality of resilient support members including mounting surfaces as well as spacer blocks and a bias plate for inducing a type clamping force.

Abstract: Antistatic floormats having superior mechanical properties and charge dissipating characteristics. The floormats consist of flexible laminations of a semiconductive material, which resist fracture due to local stresses. The laminations include one or more conductive edge clips or other ion collectors in order to provide efficient charge dissipation paths. A preferred design includes a base construction configured to provide structural support with reduced stress concentrations. An alternative base construction incorporates an array of edge supports with an unbroken central area. The floormats are generally characterized by a transparent or translucent appearance, optionally overlaid with a decorative pattern of semiconductive resin having anti-skid characteristics.

Abstract: Cover folders having binders that securely retain the cover and inserted sheets, without the use of external fasteners. The binder is an elongated bar with an interior channel for receiving and holding a folded cover. The bar includes within the channel slanted ribs which engage the folded edge of the cover sheet along an overlapping flap. The overlapping flap of the cover sheet may be made more rigid by heat treatment and/or by a reinforcing coating.

Abstract: A disposable ink cartridge for use in automatic marking systems. The ink cartridge is composed of a housing which contains a collapsible elastomeric ink reservoir having an open end secured to a plurality of barrier disks. The barrier disks are apertured to permit passage of ink through and between them, from the reservoir. An ink absorbing member of fibrous or porous material is positioned at the other, outlet end of the cartridge housing. The ink cartridge provides a constant flow of ink when the ink absorbing member is contacted by a print head or the like until the supply of ink is depleted from the reservoir. The cartridge design permits depletion of essentially the entire reservoir under the above conditions.

Abstract: A two-sided insert for transparent identification tabs. The insert has lateral side-by-side panels. This permits collinear entry of information on the panels. The adjoining panels are then folded back to back and inserted into an identification tab holder.

Abstract: A corona charging device including a dielectric-coated elongate conductor contacting or closely spaced from a grid electrode, mounted against an insulating support. A high voltage varying potential between the elongate conductor and grid electrode induces a glow discharge in the vicinity of the dielectric-coated electrode. The grid electrode may act as a ground plane to provide a corona discharge device with respect to a proximate member. Alternatively, the grid electrode may be maintained at a desired potential to provide a charging device with an automatically limited voltage.

Abstract: An applicator for uniformly dispensing liquid such as ink. The applicator is composed of a flexible supply bottle with a porous plastic applicator disc attached to one end. The porous plastic applicator forms a tight seal with the ink supply bottle. The applicator disc is preferably composed of sintered porous polyethylene having an average pore size of between about 35 to 50 microns in diameter with pores occupying between about 40 to 50 percent of the applicator volume. When the bottle is squeezed, ink is forced out of the bottle through the porous applicator disc; and when the bottle is released, ink trapped within the applicator disc interior returns to the bottle preventing clogging of the applicator disc. The applicator is secured to the ink supply bottle by engagement between an annular flange at the bottle's mouth and a circumferential groove in the applicator.

Abstract: A screen printing process for imprinting an ink design over release coat substrates carried on a web to form heat transferrable labels. The process includes screen printing an ink design image onto the substrate followed by passing the imprinted substrates through a drying section and subsequently transferring the design image to an article. The ink formulation used in the screen printing step is composed of a base ink vehicle containing a polyamide adhesive resin and a film forming component, a thixotropic filler and a plasticizer. The formulation exhibits fluidity, adhesive and plasticity characteristics which made the ink particularly suitable to imprint and form heat transferable labels by silk screen printing.

Abstract: Continuous molding of objects using a rotatable molding wheel with peripheral orifices in accordance with the objects to be molded. Plastic is extruded upon the periphery of the wheel and a knife in substantially eliptical contact is used to skive film from the objects being molded. Following molding, selected portions of the objects can be selectively distended. Suitable distention can be achieved using diverging sprocket wheels. When the continuously molded objects are fasteners with filament-like portions, the diverging sprocket wheels can be used to stretch the filamentary portions and reorient their molecules.

Abstract: Continuous molding of objects using a rotatable molding wheel with peripheral orifices in accordance with the objects to be molded. Plastic is extruded upon the periphery of the wheel and a knife in substantially eliptical contact is used to skive film from the objects being molded. Following molding, selected portions of the objects can be selectively distended. Suitable distention can be achieved using diverging sprocket wheels. When the continuously molded objects are fasteners with filament-like portions, the diverging sprocket wheels can be used to stretch the filamentary portions and reorient their molecules.

Abstract: Pressure sensitive adhesive having favorable adhesive, shear, liquid permeability, and release characteristics. The adhesive is a crosslinked polymerization product of a methyl/phenyl siloxane gum, dimethyl siloxane gum and a polysiloxane resin. The resulting product provides suitable adhesion to a large number of surfaces and has particular utility as an adhesive between plastic film and human skin, especially for use with transdermal therapeutic devices. The adhesive characteristic mitigates damage to underlying surfaces such as human skin tissue during adhesive removal.

Abstract: An improved system is described for attaching price tags to garments and for other joining applications using plastic fasteners dispensed through hollow, slotted needles. The system comprises a new method and tool for dispensing fasteners supplied in long lengths, together with improved fastener stock adapted for use therewith and for molding in continuous lengths.

Abstract: An improved system is described for attaching price tags to garments and for other joining applications using plastic fasteners dispensed through hollow, slotted needles. The system comprises a new method and tool for dispensing fasteners supplied in long lengths, together with improved fastener stock adapted for use therewith and for molding in continuous lengths.

Abstract: The holder is suspended from a surface, such as a ceiling, at a level which is adjustable by a user. As a result, the holder can be lowered to a convenient level for replacement of the advertising material and thereafter raised to an appropriate display level.