Abstract: A pusher apparatus, particularly for the handling of glassware articles from a cross conveyor in which continuous lines of articles are formed, to a perpendicular linear conveyor of a lehr in a common plane, in a transference cycle comprised of pushing and return strokes, is provided with an adjusting mechanism that can be operated while the apparatus is in operation, to impart a plurality of velocity profiles to said pushing and return strokes.

Abstract: Disclosed is a glassware forming mold of three-layer construction including first and third bodies, one of which is to be in contact with a portion of molten glass fed, for controlling the heat transference in a glassware forming process. A second central body is located between said first and third bodies and is comprised of a metallic alloy which melts approximately at temperature between about 375.degree. C. and 550.degree. C. corresponding to a working temperature of the molten glass, provides a solid-liquid state, to control the heat transference from the molten glass to the first or third bodies and from these to the environment during the glass forming process, whereby the glass distribution within the mold is improved.

Abstract: In glassware article forming machines such as the well known I.S. machine, sensors continuously detect the velocity of operation of each individual mechanism of the machine in order to derive a signal for each mechanism representative of the actual velocity of operation of the associated mechanism, and a control receives the signal and compares the detected actual velocity of the mechanism with a predetermined maximum optium velocity for the mechanism to provide a signal compensating for deviations from the determined maximum velocity for that mechanism, and a command signal to trigger the operation of a succeeding mechanism of a glass forming sequence, when the preceeding mechanism has reached to its point of cushioning, thereby optimizing in this way both the velocity of each individual mechanism, and, the total time of a glassware article forming cycle of the machine.

Abstract: In a pressing machine for the manufacture of glass articles, which comprises, a base; a gyratory table composed of mold supporters equidistantly laid out around the table, thereby carrying the molds from one station to the next as the table gyrates intermittently, said table comprising a number of stations, among which are stations of charging, stations for pressing and cooling articles, extracting stations and stations for the cooling of the molds, wherein such stations includes a series of mechanisms; means to drive the rotating table coupled to said table to rotate the same; and a feeder in combination with said machine which provide a gob of glass to the station of charging by each cycle of the machine, a method and an apparatus is provided to controlling the cycle of operation of the machine and the operation of the diverse mechanisms including: a sensor to determine the instant in which a gob of glass is cut from said feeder and position sensors to detecting the real position of the diverse mechanisms o

Abstract: A take-out mechanism of particular utility in a glassware forming machine is provided by a ring-shaped member having pivotally mounted gripping fingers mounted on an inner periphery thereof, the gripping fingers being moveable between a retracted position in which they are positioned within the ring-shaped member, and an extended position for gripping relationship with an article, the ring-shaped member being vertically adjustable in position.

Abstract: An electronic system for automatically controlling the weight and shape of glass gobs in a molten glass feeder.

Abstract: In a multi-section I.S. glassware article forming machine including handling and forming means such as a molten glass feeder, a glass gob cutting mechanism, glass gob distributor, article molding means, a take out apparatus to bring the green articles out of the molding means, a 90.degree. push out apparatus to bring the finished articles to a carrier conveyor, and a transfer apparatus for transferring the finished articles to a cross conveyor in order for a pusher apparatus to transfer rows of articles to a lehr; synchronizaiton of the velocity of both the 90.degree. push-out apparatus and of the carrier conveyor of each and every section of said I.S. glassware article forming machine is set and controlled at will by sensing the velocity of operation of the glass gob cutting mechanism, of the 90.degree.

Abstract: A process for providing a thermally homogeneous flow of molten glass comprises introducing a stratified liquid layer of non-volatile evaporation resistant materials having density smaller than that of the molten glass, onto the surface of the molten glass contained within a feeding section of a forehearth.

Abstract: In a process for the manufacture of glass articles, mainly glass bottles, said glass articles are strengthened by an ion exchange method, which involves exchanging alkali metal ions from the surface of said glass articles by other alkali metal ions provided by an ion exchange medium applied to the surface of said glass articles, which provides a strengthening layer in the surface of said glass articles. This ion exchange method is greatly improved by supporting said glass articles on a grounded metallic conveyor; charging electrostatically an ion exchange medium; and spraying a flow of said electrostatically charged ion exchange medium on said glass articles, in the line of production before the stage of article thermal treating. This promotes a uniform application of the ion exchange medium in the surface of said articles.

Abstract: An electronic system for automatically controlling the weight of glass gobs in a molten glass feeder, through the regulation of the height of the rotatory tube with respect to the feeder orifice; the electronic system includes, in combination, a finished article, a weight detector, a tube position detector attached to said tube, at least a temperature detector and glass level detector at the feeder, each of which respectively providing signals representative of the weight of the finished article, of the height of the tube with respect to the feeder orifice, of the molten glass temperature in said feeder and of the glass level in the same; a data processor which receives and processes the signals of the detectors, in order to compare the weight of the finished articles with a predetermined weight for the same and relates the weight deviations with the temperature and level of the glass and the height of the tube, in order to provide synergistic tube height compensation signals in order to allow an adequate flo

Abstract: A system for a multiple condition sensing and ware rejection for a computer controlled glass ware forming apparatus including mold temperature detectors, smoke detectors mounted to monitor each mold and gob cutting detectors mounted to control the overall speed of the apparatus and wherein control means are provided to respond to the temperature detector to lubricate the particular hot mold and other control means mounted to respond to a smoke signal to program the ware rejection means to reject the particular glass ware formed in the smoke containing molds.

Abstract: An article transfer apparatus for loading rows of hot glass articles such as bottles, from a cross conveyor, through dead plates, to a linear conveyor of a lehr, utilizes a pusher bar mounted on a system of a horizontal parallelogram frame and two pairs of serially coupled vertically oriented parallelogram frames, articulated at their corners and drivingly interconnected in order to impart bilateral, advance and backward, upward and downward movements to said bar--maintaining always its vertical position and perpendicular orientation regarding the rows of bottles advancing on the cross conveyor while sweeping out said rows of bottles.

Abstract: An electronic system to control the cooling of molds in glassware forming machines, wherein the articles and/or the molds in which said articles are being produced, are subjected to a suitable cooling to control the thermal relation therebetween so that the articles can be suitable handled and shaped. In this system, the velocity of the machine, the heat profile of the glass gobs and the gob weight are continuously detected and fed as signals to a microprocessor which determines the heat exitation of the molds when receiving the glass gobs, in order to control the necessary cooling air flow rate and compensate for variations in the thermal conditions of the molds.

Abstract: An improved system of speed control for glass article forming machines includes an operator's control panel which is provided with controls to feed to the system the geometry parameters of the glass article to be manufactured as well as the timing of the manufacturing cycle; a data processor capable of calculating the speed of each mechanism of the machine in response to the data received by said operator's control panel; an EPROM-erasable programmable read-only memory which is used to contain tables including sequence profiles for the opening of actuating valves and speed mechanism profiles; a table selector circuit which is coupled to said programmable memory and the said data processor to select sequence tables from said programmable memory and which is able to solve the speed equations by using the speed information that it receives from the said data processor, and which is also able to provide the starting times of the various mechanisms; a random access memory coupled to said table selector circuit and

Abstract: The present invention refers to an intelligent controller for predicting and automatically compensating for variations in cycle time, in machines for forming articles of glass or other materials, by predicting estimated cycle periods of the machine based on present and past measurements, so as to effect compensations without mechanical failures and/or without having to repeat cycles, even in cases when the information signals from the machine are lost; and which comprises: at least one forming cycle sensor for the whole of the machine; a signal conditioner which conditions the signals detected by the forming cycle sensor of the machine; at least one real-time data processing unit that calculates the initial forming cycle time and the times of operation of the forming mechanisms and compares the present and past cycle times in order to predict the next start-up of the forming cycle of whatever section of the machine, and/or determine the cycle in cases where the detected signals are lost, and supplies said pre

Abstract: A control valve includes a monolithic valve body incorporating dual digital valves and dual by-pass valves interconnected with each other by ducts within the valve body and providing for either controlled or uncontrolled actuation of a piston in either a forward or a reverse direction of movement.

Abstract: A device for decorating ceramic flatware includes color applicators rotatable about a common axis for simultaneously decorating a central portion and a rim portion of the flatware.

Abstract: A multiple gob glass feeder system has a conventional feeder bowl with an outlet spout in which a triple or quadruple orifice plate is provided to deliver a plurality of uniform, molten glass gobs. The feeder has two plungers mounted pivotally in the support base, which are angularly and symmetrically adjusted, by a mechanism of angular adjustment, coupled between said plungers, in order to graduate the position of said plungers, according to three or four discharge orifices in the orifice plate.

Abstract: Hollow articles of glass or other materials are blown and cooled within a mold by means of an axially directed gyratory flow of pressurized air introduced tangentially into the blowing head of the mold, and which, after progressing throughout the extent of the mold is exhausted in an opposite axial direction co-axially within said gyratory flow.

Abstract: An improved pressing machine for the manufacture of glass articles, including a gyratory table composed of six mold supporters laid out equidistantly around the circularity of the table and at an intermediate position in respect of its radius, thereby moving the molds from one station to the next, as the table gyrates; six stations associated with such table, namely: a station for receiving the glass-gob charge, a pressing station, two article-cooling stations, one extracting station and one mold-cooling station; a system for the external cooling of the supporters and molds, formed by a source of cooling air and a plurality of ducts--internal and external--on the mentioned table, each one corresponding to each mold and mold-supporter, for sweeping the external surfaces of the supporters and molds; and a system for the continuous internal cooling of articles, same which encompasses, for each molds supporter, a cooling device consisting of ducts for causing certain cooling fluid to circulate in order to cool th