Abstract: Apparatus for coating the bottom rim surface of a container using a vacuum conveyor for holding and transporting a plurality of empty containers with the bottom rim surfaces exposed so that the bottom rim surfaces may be passed over a coating applicator roll and through a curing oven to provide the bottom rim surfaces with a cured coating and wherein the vacuum conveyor is wide enough so that a plurality of the bottom rim surfaces may be coated at the same time and then passed through the curing oven. Also, the durometer of the application roll can be varied so as to apply a coating of uniform thickness or a coating of varying thicknesses.

Abstract: An adjustable gluing apparatus for dispensing glue onto articles, such as flaps of cartons on a packaging machine. A glue dispensing head attached to a clamping block is moved along a bar by a rack and pinion gear arrangement. The bar has rack teeth, and the pinion gear and attached pinion shaft are supported by the clamping block, which has an aperture receiving the bar. Turning an adjustment knob connected to the pinion shaft adjusts the position of the clamping block relative to the bar. Rotation of the pinion shaft is selectively allowed or prevented by a locking knob threadably engaged with the pinion shaft. The clamping block is further secured to the bar by a screw in the clamping block which contacts the back side of the bar to provide teeth-engagement adjustment for the rack and pinion gear teeth. The screw has an adjusting knob and a locking knob similar to that on the pinion shaft.

Abstract: Methods and apparatus are disclosed for spraying powder into the interior of welded hollow can bodies from a spray gun mounted to the welding arm of a can forming machine. The spray gun can either apply a stripe of highly charged powder on the welded seam areas of hollow can bodies, or can simultaneously apply a coating of powder having a first thickness on the longitudinally welded seam areas and a second thickness less than the first thickness on the remainder of the interior surface. Air is vented off from the powder flow being transported through the welding arm so that the powder to air ratio is increased. Air is introduced at the downstream end of the welding arm to provide a suction force to help draw the powder flow through the welding arm and to increase the velocity of the powder flow for better tribo charging of the powder in the gun and to improve spray pattern stability.

Abstract: The present invention provides an apparatus for controlling the spray of positively-charged coating particles towards a grounded or negatively-charged dielectric material having a dielectric constant less than 4.0 and in the form of a hollow container.

Abstract: Methods and apparatus are disclosed for spraying powder into the interior of welded hollow can bodies from a spray gun mounted to the welding arm of a can forming machine. The spray gun can either apply a stripe of highly charged powder on the welded seam areas of hollow can bodies, or can simultaneously apply a coating of powder having a first thickness on the longitudinally welded seam areas and a second thickness less than the first thickness on the remainder of the interior surface. Air is vented off from the powder flow being transported through the welding arm so that the powder to air ratio is increased. Air is introduced at the downstream end of the welding arm to provide a suction force to help draw the powder flow through the welding arm and to increase the velocity of the powder flow for better tribo charging of the powder in the gun and to improve spray pattern stability.

Abstract: An apparatus is provided according to the present invention for applying a glue bead to a round and non-round container to seal a fitment therein. The container includes a side wall formed about a longitudinal axis and having a closed end and an open end. The apparatus includes a base for holding the container in a fitment applying position and a hot melt glue gun for applying a layer of glue about an interior perimeter of the container to form an adhesion region. The adhesion region extends about the interior of the side walls immediately adjacent the open end thereof. The glue gun is suspended from a rotary bearing assembly which drives the gun about a longitudinal axis of the container as glue is sprayed thereon. A drive pulley, connected to the gun, is remotely driven via a belt and shaft arrangement by an electric motor.

Abstract: A turret type liner machine for applying sealing compound to can ends, the machine including a novel mist spray system for delivering cleaning fluid against the sealant injector nozzles located at each turret station.

Abstract: Apparatus for coating the bottom rim surface of a container using a vacuum conveyor for holding and transporting a plurality of empty containers with the bottom rim surfaces exposed so that the bottom rim surfaces may be passed over a coating applicator roll and through a curing oven to provide the bottom rim surfaces with a cured coating and wherein the vacuum conveyor is wide enough so that a plurality of the bottom rim surfaces may be coated at the same time and then passed through the curing oven.

Abstract: Single ply paperboard containers are wax-coated by directing a relatively narrow spray band of atomized wax towards the interior surfaces of the containers being treated. The spray band is volumetrically asymmetrical and is oriented relative to the interior surfaces of the container such that its volumetric asymmetry is directed towards the bottom circumferential seam between the tubular side wall and bottom wall of the containers. In this manner, a minimal (but fluid-impervious effective) nonsaturating amount of wax will be applied to the interior surfaces of the container so as to preserve the vivid appearance of color graphics and/or indicia that may be printed on the exterior surface of the container. At the same time, the volumetric asymmetry and orientation of the spray band ensures that a maximum amount of wax will be applied at or near the circumferential bottom seam so that a fluid-impervious fillet seal may be established thereat.

Abstract: The invention provides a method of producing silicon-on-porous-silicon material comprising the steps of (i) manufacturing a porous silicon layer on a suitable silicon wafer, such that the silicon wafer has a porous silicon surface and a non-porous silicon surface, (ii) applying an implanted ion dose to at least a portion of the porous silicon surface such that the dose is sufficient to cause amorphization of porous silicon. The material produced by the method of the invention can then be used for production of silicon-on-insulator material by oxidation of remaining porous silicon and recrystallization of amorphised silicon. Typically such material can be used for manufacture of e.g. SOI C-MOS devices and bipolar transistors. Alternatively, the method of the invention can be used for the manufacture of e.g. pyroelectric devices.

Abstract: A liquid dispensing apparatus is adapted to accurately dispense known volumes of liquid onto the receiving surface a workpiece, and comprises a cartridge having a reservoir for containing an amount of liquid. The cartridge has an outlet of known cross sectional area, and a piston adapted for longitudinal translational movement. There is a driving means for effecting movement of the piston, control means for operating said driving means, and means having a threaded portion for mechanically interconnecting the piston and driving means, so as to drive the piston within the cartridge. One of a first and second retaining means is securely connected to the piston and the other of said first and second retaining means is securely connected to said cartridge; and the interconnection means is longitudinally rigid between the first and said second retaining means so as to preclude unwanted relative movement of the piston with respect to the cartridge.

Abstract: An assembly for applying coating material to top edges of containers is provided with a porous applicator which may be saturated with the molten coating material. The applicator assembly is especially adapted to contact the top curl of paperboard containers so that an amount of the molten coating material which saturates the porous applicator may be transferred to the top curl and thereby increase the top curl's circumferential rigidity upon solidification. The applicator assembly is preferably positioned laterally parallel of a linear treatment path along which the containers are conveyed in an inverted manner. Each container is rotated during conveyance along the linear treatment path such that the entire circumference of the top curl is brought into contact with the elongate porous applicator saturated with molten coating material.

Abstract: A method and apparatus is provided for coating exterior surfaces of glass containers such as bottles. The containers are conveyed along a coating path by conveying means so that the containers are arranged in a non-contact relationship with one another. A coating vessel is provided for containing a bath of liquid coating material M. The conveying means is arranged to dip containers being conveyed at least partially into the bath of liquid coating material so as to apply a coating of material to exterior surfaces of the containers. Setting means operates to set the coating applied to the containers. The method and apparatus may be incorporated into a continuous container manufacturing line so that the containers to be coated are continuously received from a lehr conveyor for conveying along the coating path by the conveying means.

Abstract: Apparatus and method for applying a coating, such as a lubricant, on at least a portion of the outer peripheral surface of a can body wherein a turret having a plurality of pockets formed in its outer peripheral surface is mounted for rotation about a relatively fixed axis and during the rotation thereof a can body is fed into each pocket. The can body in each pocket is held against the outer peripheral surfaces of a pair of rotating rolls having a space therebetween by a vacuum acting through the space so that the can body is rotated thereby and while rotating is moved against a heated arcuate wick located in a heated arcuate support and having a supply of lubricant therein so as to form a coating of lubricant on the at least a portion of the outer peripheral surface.

Abstract: A device for the internal graphitization of the surface of the neck in the cone of cathode ray tubes.A device of this type comprises a frame bearing two arms, such as, capable of rotating around an axis, such as, each bearing a collar, for example, each adapted to a given type of cone. This collar has two functions: that of providing for centering along an axis (xx) of the neck of the cone and that of defining a reference line (L.sub.r).With these arms there cooperate, firstly, a supporting table on which the cone is laid and centered in a horizontal plane and, secondly, a graphitization system such that the brush in its top position reaches a determine upper limit (Lg) and, finally, a combination of means providing for the upward translational motion of the supporting table and of the graphitization system, the regulated descent of the latter, the supporting table remaining still during this stage of descent of the brush.

Abstract: Apparatus and method for applying a coating of lubricant on at least a portion of the outer peripheral surface of a can body wherein a turret having a plurality of pockets formed in its outer peripheral surface is mounted for rotation about a relatively fixed axis and during the rotation thereof a can body is fed into each pocket. The can body in each pocket is held against the outer peripheral surfaces of a pair of rotating rolls having a space therebetween by a vacuum acting through the space so that the can body is rotated thereby and while rotating is moved against an arcuate wick having a supply of lubricant so as to form a coating of lubricant on the at least a portion of the outer peripheral surface.

Abstract: An adhesive-applying machine is adapted to apply pressure-sensitive adhesive to cardboard blanks which thereafter can be folded and compressed to form a complete box. The machine includes a flat support table above which a pair of spaced, parallel conveyor belts are disposed. Preslotted, prescored cardboard blanks having laterally extending flaps are provided. The flaps are passed beneath the conveyor belts while the remaining portion of the blank passes between the conveyor belts. An adhesive-applying mechanism applies adhesive to the underside of the flaps as the blank is discharged from the table.

Abstract: Vessel mouths (1) are provided with a silane coating in order to improve the pouring behavior. For this purpose, there is an apparatus which has, on a rotatable nozzle holder (14), several spray nozzles (16) and blowing nozzles (17) directed tangentially to the edge (1a) of the vessel mouth (1). A stationary nozzle mandrel (12) forms, by means of its lower centering portion (13), a centering means for the vessel mouth (1). An air flow flows from the centering portion (13) out of air nozzles (20) directed rearwards and prevents spray material from penetrating into the vessel (2). The spray residues and solvent vapors which occur are sucked off from a suction bell (21) surrounding the vessel mouth (1).

Abstract: An applicator assembly for applying hot melt adhesive to a substrate such as the end flaps of a sift-proof carton includes slot nozzles employing elongated, wear-resistant doctor blades formed with a fluid discharge slot. The doctor blades, preferably in the form of hardened steel plates, are releasably clamped to the body of the applicator in communication with the outlet of an internal passageway in the applicator body which receives adhesive from a flow control device such as an adhesive gun. The plates forming the doctor blades are separated by a shim to define the fluid discharge slot into which the adhesive flows from the internal passageway. The lowermost ends of the doctor blades are formed in various configurations to spread the adhesive in the desired pattern or thickness on the substrate depending upon the type of adhesive employed or the requirements of a given application.

Abstract: The horizontally extending cover side flaps of a plurality of identical filled closed cartons, are glued, down folded, pressed and set by continuously advancing the cartons individually and successively, in untimed relation, between upper and lower carrier belts and along a path through an adhesive applying zone, a flap folding zone and a compression zone. The upper carrier belts are mounted on a sub-frame structure as are the gently curved down fold bars and are raised and lowered relative to the main frame for runs of different height cartons. The glue pots are independently movable vertically and laterally. The compression rolls are resiliently and yieldably mounted to individually and successively press and set the hot melt adhesive without undue pressure which might retard the untimed advance of the cartons.

Abstract: Disclosed is a process and an apparatus for coating with a material a plurality of containers transported consecutively, in which after the completion of coating with the material flowing down of the uppermost container of the containers being transported vertically, the subsequent container becomes the new uppermost container which will be subject to next coating with the material.

Abstract: A vertical-feed conveyor for cylindrical objects and the like utilized twin counter-rotating helical feed screws. The thread of the feed screws is shaped so as to create conveyance troughs which are closely dimensioned to the object to be moved. The variable pitch of the screws creates zones of acceleration, deceleration and dwell so that the objects may be sequentially delivered to predetermined indexing stations where various processes may be performed upon the objects such as; internal spray coating, capping, electronic non-destructive testing, etc. The points of dwell along the feed screws are achieved by the shape of the radial sidewalls of the feed screws which at those points extend part way around the screw in radial planes of the screw.

Abstract: Adhesive applicators having a flexible valve disk which defines a metering chamber with a valve body, the valve body with the valve is insertable into a can component in close confinement thereby and the valve is operated by flexing the disk to compress the adhesive and spurt it against the confining surface of the can body to form a bead and band of adhesive into which the other can component is subsequently telescoped.

Abstract: A container wherein exposed surfaces thereof which are particularly subjected to a chemical reaction, such as corrosion, are protected by the application of a thixotropic lacquer. A typical installation is the application of a band of thixotropic lacquer internally of the container along the longitudinal side seam. A thixotropic lacquer has the characteristic that there is very little flow after its application to a surface, and thus is particularly adapted for covering raw edges and like exposed areas of containers. The thixotropic lacquer is applied preferably in plural closely adjacent streams which unite after the lacquer engages the container surface. Beneficial results are obtained by adjusting the temperature of the container and/or lacquer, and further by heating the applied band of lacquer.

Abstract: A closed apparatus (10) and method for coating the interior of a tank (12) includes a plurality of interconnected conduits (36, 40, 60, 178), valves (34, 58) and a pump (62) for supplying a coating solution to the tank and draining the tank while containing deleterious fumes. Another plurality of conduits (66, 42), valve (64), and a pump (68) can work therewith to supply a hot curing solution to the tank.

Abstract: Hot melt adhesive is applied to a moving substrate in a pattern including at least two lines which extend transversely to one another, by conveying the substrate past a nozzle orifice through which a first line of molten adhesive is applied, as by extrusion, to the substrate parallel to the direction of substrate movement and, while continuing to move the substrate in the same direction, projecting another portion of the molten hot melt adhesive onto the substrate as a burst in the form of a flat sheet issuing from a fan spray orifice, this orifice being oriented so that the sheet is projected transversely to the direction of substrate movement, and terminating the burst so rapidly that the adhesive so projected is deposited on the moving substrate in the form of a line having a length in the crosswise direction that is several times its width.

Abstract: Two spray coatings are successively applied, without an intervening curing step, to coat the inside surface of a shell for a two-piece can. This "wet-on-wet" coating technique utilizes zone spraying, wherein only the sidewall is covered during the first application, with the second coat being applied to all inside surfaces.

Abstract: Hot melt adhesive is applied to a moving substrate in a pattern including at least two lines which extend transversely to one another, by conveying the substrate past a nozzle orifice through which a first line of molten adhesive is applied, as by extrusion, to the substrate parallel to the direction of substrate movement and, while continuing to move the substrate in the same direction, projecting another portion of the molten hot melt adhesive onto the substrate as a burst in the form of a flat sheet issuing from a fan spray orifice, this orifice being oriented so that the sheet is projected transversely to the direction of substrate movement, and terminating the burst so rapidly that the adhesive so projected is deposited on the moving substrate in the form of a line having a length in the crosswise direction that is several times its width.

Abstract: A method of drying cans to be covered with a layer of varnish and/or a printed upon layer, according to which the can body is brought into snug body engagement with a heating body along that can surface which is located opposite the can surface to be covered with the layer while the temperature of the heating body is controlled in conformity with the maximum temperature for hardening the layer to be applied to the respective can.

Abstract: The present invention is directed to an apparatus for coating a material length with a fluid substance which comprises a coating trough containing the fluid coating substance, a roller means rotatably mounted and adapted to be partially immersed in said fluid coating substance, the surface of the roller means and the edge of the trough defining an aperture for the dispensing of the fluid coating substance, said edge of the trough being provided with a liquid guiding element which extends in the downward direction from said edge and means for conveying the material length to be coated in close proximity to said liquor guiding element.

Abstract: Erected cartons are fed downstream on a dead plate by the various flight bars of a flight bar conveyor system, and between upper and lower pairs of side guides which are adjustable both laterally to accommodate cartons of various widths. Plows associated with the side guides preposition the closure flaps of the cartons so that each of these flaps is received in a slot of an adhesive applying head so that bands or strips of adhesive are applied to these flaps. The adhesive applying heads are uniquely mounted in that they are conveniently prepositioned for accommodating the flaps when the side guides are adjusted to the width of the carton. Two such heads are pivotally mounted in a block provided on the longitudinal center line of the machine, with a link being provided between each adhesive applying head and the side guide structure.

Abstract: Erected cartons are fed downstream on a dead plate by the various flight bars of a flight bar conveyor system, and between upper and lower pairs of side guides which are adjustable both laterally to accommodate cartons of various widths. Plows associated with the side guides preposition the closure flaps of the cartons so that each of these flaps is received in a slot of an adhesive applying head so that bands or strips of adhesive are applied to these flaps. The adhesive applying heads are uniquely mounted in that they are conveniently prepositioned for accommodating the flaps when the side guides are adjusted to the width of the carton. Two such heads are pivotally mounted in a block provided on the longitudinal center line of the machine, with a link being provided between each adhesive applying head and the side guide structure.

Abstract: Method and apparatus for evenly coating a moving web of material with a predetermined amount of a liquid and characterized by simplicity of design, uniformity of application of the liquid and accurate control of the amount of the liquid applied, as follows. Mechanisms are provided for supplying and feeding a web of material in a longitudinal path of travel at a predetermined speed. A coating roll is positioned for transverse rotating contact with one surface of the traveling web of material and includes a covering of soft, uniformly and highly absorbent material for receiving and uniformly absorbing the coating liquid and for transferring and uniformly coating the traveling web with the liquid. An open top pan is provided for continuously receiving the coating liquid therein. The coating roll rotates within the pan for contacting and continuously absorbing all of the coating liquid within the pan above the level of the coating roll.