Abstract: Apparatus and methods are disclosed for a high speed production line in which a container is wrapped with a plastic label comprising a foam polystyrene layer, there being means to move a leading edge of the label to the periphery of a rotating vacuum drum, means to apply methylene chloride to the underside of the foam layer to form finite areas on the leading label edge and a finite area on the trailing edge. The finite areas have therein a rapidly solidifying tacky solution of the foam polymer in methylene chloride, the tacky viscous solutions rapidly solidifying to form an adhesive bond. The solvent-applied label is quickly moved to a label wrapping station where it is wrapped around a container, the finite areas on the leading edge tacking the label to the container, and the finite area on the trailing edge forming a cohesive bond on the seam formed by the overlapped label ends.
Abstract: A process for forming a doped oxide film and a doped semiconductor suitable for electronic applications wherein a silicon tetraalkoxide is reacted with a limited amount of water to produce a low molecular weight, soluble polyorganosiloxane. The polyorganosiloxane is subsequently admixed with a soluble dopant element compound to form a homogeneous, polyorganosiloxane-dopant compound solution. The solution is coated onto a semiconductor wafer substrate material and heated to produce an impurity doped semiconductor wafer suitable for electronic application.
Abstract: Asymmetrical layered structures such as asymmetrical films are disclosed. The main body section contains a multitude of pores (voids). A thin surface skin is free of pores. The entire structure is fabricated from a polyalkylene sulfone resin in which the alkylene moiety contains 6 to 18 carbon atoms. Processes for preparing the structures also are disclosed. The structures are semi-permeable to gases and are used as membranes to enrich the oxygen content of oxygen/nitrogen mixtures.
Abstract: The present invention provides, without the drawbacks accompanied by the use of hot melt adhesives, an attractive, easily recycled labelled container, the label, on its underside that is adjacent the container when applied, being provided with a finite area on its leading edge and a finite area on its trailing edge, by applying thereto a solvent for the polymer in each of the finite areas, the finite areas comprising a viscous tacky solution of the polymer in the solvent, the solidifying solution being sufficient to tack and bond the label to container during wrapping.After the label is wrapped around the container, the bond between the container and label becomes weaker as the solidifying solution hardens so that later the label can be easily and cleanly stripped from the container for recycling.
Abstract: A universal hot air nozzle and seal bar with adjustable cam for use on an apparatus for forming and assembling tubular thermoplastic sleeves. The apparatus has a circumferentially movable turret with a plurality of mandrels forming work stations thereon. At the work stations each mandrel has a nozzle and seal bar and the sleeve is wrapped around the coacting mandrel with the vertical edges of the sleeve being disposed in overlapping relation with heat being applied by a stationary heat nozzle to the overlapped edges in coaction with a stationary seal bar being subsequently advanced to the heated overlapped edges with preselected pressure to heat-seal such edges together. The improvement includes cam-actuated telescoping mounting means in the form of a slidable telescoping shaft within a slidable telescoping shaft upon which the seal bar is mounted enabling the seal bar to selectively contact the sleeve with preselected pressure.
Abstract: Glass frit compositions for use in glazes or enamels have a fiber softening point of 535.degree. C. or more and are free of cadmium, lead and arsenic and consist essentially of Bi.sub.2 O.sub.3 --B.sub.2 O.sub.3 --SiO.sub.2 with R.sub.2 O being 2-8% and RO being 0-9% by weight.
Abstract: A shipping and display carton for a plurality of plastic containers wherein the carton is formed from a flat blank that is folded into a slotted style container configuration with end flaps of sufficient size to effectively close the ends of the tubular configuration with a double thickness of corrugated board. A diagonal, perforated line is made in the underlying flaps and a diagonal cut designating line is marked on the overlying flaps. The cut designating line is also marked across the width of both the front panel and back panel joining the ends of the cut designating lines in the flaps. A small panel extends under the front panel cut designating line to protect the enclosed product. After the cut designating line has been cut, the carton is separated into two parts with the upper part discarded and the lower part serves as the display.
Abstract: A container closure adapted to be applied to a container having threads by an axial movement and to be removed by a rotary movement to open the container comprising a body including a base wall and a peripheral wall and a gasket of plastic material formed in situ along the peripheral wall and at least a portion of the base wall which is adapted to overlie the end of the container. The surface of an annular portion of the gasket along the peripheral wall is formed with a plurality of circumferentially extending substantially flat surfaces such that it has a polygonal configuration in transverse cross section with axially extending channels at the junctures of the substantially flat surfaces. When the closure is applied to the container, the threads on the container deform the surfaces of the polygonal portion by indentation to define complementary threads therein.
Abstract: A tamper resistant closure for a finish of a container. The closure has an annular skirt with an annular tamper indicating band integrally attached thereto with a plurality of frangible bridges. The band has preferably a plurality of wedge-shaped tabs that contact the container finish and bend upwardly when the closure is applied to the container. When there is an attempt to remove the closure, the thicker outer portion of the tab wedges against the container finish to apply torque to the band and break the bridges to leave the pilfer indicating band on the container.
Abstract: A tintable coating is applied to a transparent substrate such as a polycarbonate lens. The coating is made from a coating solution of (1) a further curable organopolysiloxane preferably made by hydrolyzing methacryloxytrimethoxy silane and vinyl triethoxy silane with phenylphosphonic acid, and an (2) organic solvent for the organopolysiloxane. The coating is cured, and azo dye applied to the cured coating, and the coating heated to provide a highly tinted coating without sacrificing scratch resistance.
Abstract: A tamper indicating package comprising a container having a neck with external threads formed thereon and a plastic closure comprising a top panel and an integral depending annular skirt. The skirt has integral internal threads formed thereon complementary to the threads on the neck of the container. The container has an annular locking bead positioned axially below the threads, and the skirt has a ring at the lower end thereof connected to the upper portion of the skirt by a plurality of circumferentially spaced integral bridge portions located below the threads when the closure is on the container. The ring has a radially inwardly extending annular rib engaging beneath the locking bead of the container when the closure is on the container. The skirt has an annular groove formed therein in the area of the bridge portions, the groove being formed after molding by deforming an annular portion of the skirt thereby displacing material in the annular area axially and stressing the material in the annular area.
Abstract: A servo control system and method for controlling repetitious or oscillatory motion of a member in a glass manufacturing process between predetermined points. A desired trajectory between such points is first established as a function of time, and this trajectory is then loaded into a digital electronic memory as a plurality of discrete trajectory position signals arranged in an incremental series as a function of time. Control logic, which includes a real time oscillator, periodically accesses the memory so as to sequentially select and read therefrom the incremental trajectory position signals. These incremental signals are fed as a desired position control signal to a servo amplifier, which receives a second input from a position transducer coupled to the movable member and provides an amplifier output to a servo motor and then to the member.
Abstract: A tintable coating is applied to a transparent substrate such as a polycarbonate lens. The coating is made from a coating solution of (1) a further curable organopolysiloxane preferably made by hydrolyzing ethyl ortho silicate with methacryloxytrimethoxy silane and/or vinyltriethoxy silane with phenylphosphonic acid, and an (2) organic solvent for the organopolysiloxane. The coating is cured, an azo dye applied to the cured coating to provide a highly tinted coating without sacrificing scratch resistance. The cured coating can be tinted with an improved tinting speed and the resultant cured tinted coating has improved abrasion resistance.
Abstract: A carrier configuration for two or more bottles such as beverage bottles includes an inner member having regions which receive each of the bottle necks and an outer member which extends about the grouping of bottles at their midsections. The inner member is sized to nest within the outer member and they may be punched simultaneously from a flat sheet of material such as polyethylene. Preferably, the adjacent inner edge of the outer member and the outer edge of the inner member are partially connected and scored by the punching operations such that they may be readily separated from one another as they are installed in the positions above described on a grouping of containers.
Abstract: The tamper indicating package comprising a container having a neck, a closure interengaged with the container, and a tamper indicating device comprising a plurality of radially extending legs adapted to extend radially outwardly and axially about the closure. The legs are joined to one another at their inner ends and an integral annular band joins the other ends of the legs. The band extends beneath the flange of the container when the device is applied over the closure on the container, and the legs are made of a material such that the band will snap and/or shrink radially inwardly after application of the device to a position beneath the flange of the container thereby providing a tamper indicating device.
Abstract: A method for producing solventless liquid organopolysiloxanes is disclosed. The method involves hydrolyzing an organo silicon composition comprising at least one compound having the general formulaY.sub.(4-n) Si(OR).sub.nwhere Y is phenyl or a primary or secondary alkyl group having from one to four carbon atoms, R is an alkyl group having from one to three carbon atoms, and n is an integer from one to four, and wherein the ratio of OR groups to silicon atoms in the composition is from 2.3:1 to 3.1:1. The products of hydrolysis are then heated to cause substantial siloxane formation by condensation and to distill water and alcohol by-products. Heating is continued until the water content of the resulting siloxane composition is less than 1 percent. The purity of the organo silicon composition, the amount of water used for hydrolysis, the amount of acid present during hydrolysis, and the heating of the organopolysiloxane are so controlled that the solventless organopolysiloxane has a viscosity at 25.degree. C.
Abstract: A tamper-indicating cap and band assembly for use with a container with a neck having external screw threads. The assembly includes a container cap having internal screw threads that mesh with the container neck external screw threads. A coacting tamper-indicating ring band circumferentially encircles the cap and is connected to the cap with a plurality of flexible frangible bridges. The band has a plurality of internal band projections disposed in spaced relation on the inner periphery of the band. The cap has a plurality of spaced cap projections disposed in spaced relation on the outer periphery of the cap and positioned thereon for coacting locking gear tooth type engagement with certain respective band projections on the band when the assembly is threaded onto the container, and for locking gear tooth type engagement with other respective band porjections when the assembly is unscrewed from the container.
Abstract: Glass frit compositions are shown that are lead-free, cadmium-free, and zinc-free, the compositions having improved chemical resistance, especially acid resistance (acetic acid) of a loss of generally less than about 1.9% by weight. The compositions contain B.sub.2 O.sub.3, SiO.sub.2, ZrO.sub.2 and rare earth oxides, the weight ratio of ZrO.sub.2 to rare earth oxides being critical and being about 1/1 to 1.4/1.
April 27, 1984
Date of Patent:
August 27, 1985
Josef Francel, Uriah Horn, Daniel R. Stewart
Abstract: A one-piece molded thermoplastic child-resistent dispensing closure in which the dispensing opening in the closure is sealed by the downwardly extending projection of a locking flap that is foldably attached to an edge of the closure, in which the top of the closure comprises a recess to receive the sealing flap when it is in its closing position and in which the portion of the recess which is adjacent the free end of the locking flap is deeper than the thickness of the locking flap so that the free end of the locking flap can be depressed within the recess to facilitate the opening of the closure. Certain embodiments are described in which the locking flap is provided with a downwardly depending tab which is received in a recess in the skirt of the closure when the locking flap is in the closed position and which is deflected outwardly from the recess by the depression of the locking flap into the recess in the top of the closure to further facilitate the opening of the closure.