Abstract: A mounting apparatus includes: a heater head for bonding a liquid crystal display and a flexible printed circuit board by thermocompression; a cylinder as a heater head driving means for driving heater head to compress the liquid crystal display and flexible printed circuit board by a prescribed load; and a control mechanism as a stretch amount controlling means for adjusting a load change per unit of time after the heater head starts compressing the flexible printed circuit board by the cylinder as well as a time at which a required load is attained to control the stretch amount of the flexible printed circuit board by thermocompression. Preferably, the mounting apparatus is provided with a mechanism which performs measurement after preliminary bonding and which performs regular bonding while controlling based on the obtained information.

Abstract: A laminating machine and a method for the production of laminated polyethylene foam sheets is described. The machine comprises a conveyor belt having at least two laminating assemblies disposed in spaced-apart relationship therealong. Each laminating assembly has a hot air diffuser for dispensing an elongated ribbon of hot air across the conveyor belt and a press roll which is spaced behind the hot air diffuse. A sheet laminating slot is defined between the diffuse and the press roll. The top surface of a lower polyethylene foam sheet passing under the laminating assembly and the bottom surface of an upper polyethylene foam sheet entering the laminating slot are heated by the hot air ribbon and juxtaposed and pressed by the press roll whereby to fuse the two polyethylene foam sheets together. A plurality of polyethylene foam sheets can be laminated by having a plurality of laminating assemblies along the conveyor.

Abstract: A modular reciprocating heat seal jaw assembly is disclosed for sealing reclosable fastener strips to a web of thermoplastic film and for sealing the web of thermoplastic film into a series of reclosable bags. The jaw assembly includes first and second sealing jaws and means for slidably mounting the first and second sealing jaws on a first pair of parallel shafts near the lateral ends of the first and second sealing jaws in a horizontal configuration. A mechanical system is providing for selectively effecting reciprocal movement of the first and second sealing jaws together and apart as required. A modular frame is provided for supporting the first and second sealing jaws and the first and second pairs of parallel shafts and for maintaining the lateral and vertical position of the first and second sealing jaws as they are moved toward or away from each other. The modular frame and heat seal jaw assembly may be inserted into existing form-fill-seal machine to make them more efficient and accurate.

Abstract: A processing apparatus for substrates that include a plurality of individual substrates having a photo-curable adhesive layer interposed therebetween, including a mounting table, an irradiating device that irradiates the substrates, and a control device that controls the deflection of the substrates (X) while the individual substrates are bonded together by photo-curing the adhesive. The control device calculates a temperature difference ?T between the temperature Th of the mounting table and the temperature Td of the substrates before curing, finds a deflection difference ?X between the deflection X of the substrates after curing and the target deflection setting value Xt, finds a temperature Tc by calculating Tc=?T?M×?X using the constant of proportionality M; and controls the temperatures of at least one of the substrates before curing and the mounting table according to the temperature Tc such that Tc=Th?Td.

Abstract: A simultaneous twinsheet thermoforming system having a carousel rack to simultaneously move two sheets of thermoplastic together through a heating station and a forming station. The two thermoplastic sheets are vertically disposed on upper and lower tiers of the rack. The single heating station includes vertically disposed upper and lower ovens, which both sheets pass through simultaneously. The ovens each include upper and lower heating platens, the lower platens being movable to accommodate for sagging thermoplastic. The forming station includes upper and lower vacuum molds that are movable from an open position to a closed position. In the open position, the two sheets are moved in between the mold faces. The molds are driven together to contact the sheets and simultaneously form the two sheets to the two molds. At least one of the two molds is further moved to establish contact between at least portions of the two sheets, thus fusing them together.

Abstract: A process, apparatus, and system are presented for adhesive bond strength recovery in a bonded system, which may be an electronic device, such as, a magnetic drive or magnetic disk drive. The adhesive bond strength of an adhesive bonding material degrades over time and under certain ambient conditions, such as humidity. The process, apparatus, and system are designed to recover at least a portion of the initial adhesive bond strength through the application of joule heating. The adhesive bonding material, and possibly the materials bonded by the adhesive bonding material, is heated via an embedded heat source within the bonded system. The embedded heat source receives electric power from a controlled power source that selectively applies power to achieve optimum heating and adhesive bond strength recovery consistent with a characterization of the bonded system, heat source, and adhesive bonding material.

Abstract: A laminator for laminating a document in at least one of a laminating pouch and on a substrate comprising upper, middle and lower rolls, the upper and middle rolls defining a first nip for laminating a document between first and second sheets of laminating film, the middle and lower rolls defining a second nip for laminating a document beneath a film on a substrate, means for driving one of the upper and middle rolls, a first drive means for connecting the upper and middle rolls, a second drive means for connecting the upper and lower rolls whereby the lower and upper rolls rotate in the same direction, means defining a first path on one side of the rolls for inserting a laminating pouch between the upper and middle rolls, and a means defining a second path on the other side of the rolls for inserting the substrate between the middle and lower rolls from the other side of the rolls.

Abstract: A portable curing system includes a carrying case, a controller located within the carrying case and having a microprocessor, a vacuum pump located within the case and having at least two vacuum ports for connection of vacuum lines, at least two vacuum sensor connectors for receiving leads of vacuum sensors, at least two heater connectors for receiving leads of electrical heaters, and at least two temperature sensor connectors for receiving leads of thermocouples. The controller is operably connected to the vacuum pump, the vacuum sensor connectors, the heater connectors, and the temperature sensor connectors. A touch-screen video display is mounted within the carrying case and operably connected to the controller to display information from the controller and input information to the controller. The video display is pivotable between a stowed position and a viewing position.

Abstract: Devices and methods for inflating and sealing packaging pillows from a material web are shown for consistently producing high-quality packaging pillows. A web of material is advanced past an inflation nozzle, inflated with gas, and sealed closed by a sealing element. The temperature of the sealing element is monitored using a thermocouple connection and automatically adjusted using a closed-loop system. A sealing clamp parallel to the sealing element maintains two sheets of the web in contact through the sealing step. The inflation nozzle is provided with two inflation outlets: a first outlet inserting gas longitudinally into the web of material, and a second outlet inserting gas laterally into the material. Gas input is controlled with the use of relief valves to maintain pillow quality at all stages of production.

Abstract: A lamination system comprises a thermocompression bonding means for bonding laminate films on top and/or back surfaces of cards, applying heat and pressure using a pair of heat rollers. The lamination system is provided with contact type temperature detection devices for detecting surface temperatures of the heat rollers and a heat roller attaching/detaching device for attaching or detaching the heat rollers. The heat roller attaching/detaching device places the temperature detection devices in contact with surfaces of the heat rollers when the heat rollers are being installed in the lamination system, and places the temperature detection devices apart from the heat rollers when the heat rollers are to be attached to, or detached from, the lamination system.

Abstract: A method and apparatus for coating a work piece. The system comprising an applicator adapted to travel over a portion of the work piece. The system being operable to heat the work piece and/or apply a coating onto the work piece as the applicator travels over the work piece. The system may comprise an induction heating system to heat the work piece. The system may be adapted to apply a variety of coatings, such as a liquid coating and a dry powder coating. The applicator being operable to heat the work piece prior to applying the coating or heating the work piece after the coating has been applied. The applicator may also be adapted to apply heat to heat shrink a coating material onto the work piece.

Abstract: In a double-side lamination system having a thermocompression bonding device for laminating laminate films on both surfaces of a card by applying heat and pressure using a pair of heat rollers, a temperature measurement device for measuring temperatures of the heat rollers are provided, and whether the lamination system is in a double-side lamination mode in which laminations are carried out on both surfaces of the card, or in a single-side lamination mode in which lamination is carried out on one of the surfaces of the card, is automatically distinguished by comparing measured temperatures of the heat rollers at a predetermined time after turn-on of the power of the system with a predetermined reference temperature.

Abstract: An apparatus and method determine a size of a bonding film for bonding a bonding target having a size which varies due to temperature variation, at an environmental temperature which is different from a temperature during use. The method includes measuring an actual size of the bonding portion of the circuit electrode at the first temperature, comparing the actual size of the bonding portion with a designed size of the bonding portion at the first temperature, and determining a cutting size of the bonding material based on a comparison result and mounting the bonding material over the bonding portion.

Abstract: An apparatus for thermally activating a heat-sensitive adhesive sheet of the type having a printable surface on one side, a heat-sensitive adhesive layer on the other side and sheet identifying information including information concerning one or more properties of the adhesive used in the adhesive layer, comprises an energizeable heating unit for heating the heat-sensitive adhesive layer to activate the same, a reading sensor for reading the sheet identifying information, and a control section for controlling energy applied to the heating unit on the basis of the sheet identifying information read by the reading sensor. The control section controls the energy applied to the heating unit by keeping the amplitude of applied voltage pulses constant and varying the pulse width.

Abstract: An edge wrap machine for applying decorative laminate to an aircraft interior panel, particularly a stowbin door, lifts the edge to be wrapped with an actuator, wraps the edge automatically by drawing a vacuum between two silicone blankets sandwiching the panel, and lowers the actuator to achieve bonding pressure on the wrapped edge. The machine automates a hand operation that is relatively slow and potentially dangerous to the workers.

Abstract: A double facer for use in a corrugated fiberboard sheet manufacturing system wherein a moisture content of a double faced corrugated fiberboard sheet is set at an optimum value at all times for stably producing the double faced corrugated fiberboard sheet with less bonding failure and less warp. The double facer comprises moisture content detecting means for detecting a moisture content of the double faced corrugated fiberboard sheet after passed through the heating means or for detecting a parameter correlating with the moisture content, and a control means for controlling a heat reception quantity of the double faced corrugated fiberboard sheet on the basis of a detection result from the moisture content detecting means so that the moisture content of the double faced corrugated fiberboard sheet approaches a predetermined optimum moisture content.

Abstract: A method for making a vacuum packaging film includes flowing a plastic melt, from a multi-layer extruder, onto a rotating roller. The plastic melt is then cooled while simultaneously imparting a pattern, via a pattern imparting means, onto the plastic melt resulting in the vacuum packaging film.

Abstract: An article laminating apparatus is provided for use with a cartridge having a detectable element indicative of a characteristic of laminating materials. The apparatus includes a frame enabling the cartridge to be removably mounted thereto and an article processing assembly carried on the frame. A control system controls the article processing assembly to perform an article processing operation. The apparatus also includes a detector operable to detect the detectable element on the cartridge. The detector is operable to transmit a signal to the control system based on the detectable element on the cartridge. The control system is operable to adjust at least one parameter of the operation based on the signal.

Abstract: A composite material collation machine and associated method for fiber tape placement and consolidation at a relatively high rate are provided. The composite material collation machine includes a laser diode array for heating at least one fiber tape, a compaction device for pressing the fiber tape against a workpiece, an inspection system for monitoring the fiber tape, and a controller. The inspection system produces an output representative of at least one characteristic of the fiber tape, and the controller is capable of receiving the output and, based on the output, automatically altering at least one system parameter defining an operational characteristic of the composite material collation machine.

Abstract: In the double-side lamination system comprising a thermocompression bonding means for laminating laminate films on both surfaces of a card applying heat and pressure using a pair of heat rollers, temperature measurement means for measuring temperatures of the heat rollers are provided, and whether the lamination system is in a double-side lamination mode in which laminations are carried out on both surfaces of the card, or in a single-side lamination mode in which lamination is carried out on one of the surfaces of the card, is automatically distinguished by comparing measured temperatures of the heat rollers at a predetermined time after turn-on of the power of the system with a predetermined reference temperature.

Abstract: A portable curing system includes a carrying case, a controller located within the carrying case and having a microprocessor, a vacuum pump located within the case and having at least two vacuum ports for connection of vacuum lines, at least two vacuum sensor connectors for receiving leads of vacuum sensors, at least two heater connectors for receiving leads of electrical heaters, and at least two temperature sensor connectors for receiving leads of thermocouples. The controller is operably connected to the vacuum pump, the vacuum sensor connectors, the heater connectors, and the temperature sensor connectors. A touch-screen video display is mounted within the carrying case and operably connected to the controller to display information from the controller and input information to the controller. The video display is pivotable between a stowed position and a viewing position.

Abstract: A method and an apparatus for producing zippered bags at faster speeds. This is accomplished by speeding up the ultrasonic welding operation. More specifically, ultrasonic welding is performed continuously while the web of bag making film and the zipper tape are moving, instead of being performed while the film and zipper tape are stopped. To facilitate this improvement, the ultrasonic welding station is moved from the bag machine, where the bag making film and zipper tape move intermittently, to the sealer frame, where the film and zipper tape move continuously. The ultrasonic welding apparatus comprises a pair of rotary elements, one of which is acoustically coupled to an ultrasonic transducer. One of the rotary elements is provided with a protuberance on its periphery that acoustically couples the zipper tape to the energized rotary element.

Abstract: A method for welding synthetic resin members includes the steps of detecting a temperature of a high frequency electrode or an ultrasonic horn (or an anvil) by a temperature detector, cooling the high frequency electrode or the ultrasonic horn (or the anvil) by cooling means when the temperature detected by the temperature detector during a high frequency or ultrasonic vibration exceeds a preset temperature range, thereby reducing the temperature rapidly down to the preset temperature range, and stopping an operation of the cooling means when the temperature of the high frequency electrode or the ultrasonic horn (or the anvil) is reduced to the preset temperature range.

Abstract: There is provided a device for transferring a pattern from a stamp to a substrate, provided with a moldable film, by pressing the stamp and the substrate against each other. The device comprises at least one fixture for retaining a planar object such as the stamp or the substrate. The device is distinguished in that it comprises a heating element for heating the planar object, and measuring arrangement for determining a change in the size of the planar object due to the heating.

Abstract: A process, apparatus, and system are presented for adhesive bond strength recovery in a bonded system, which may be an electronic device, such as, a magnetic drive or magnetic disk drive. The adhesive bond strength of an adhesive bonding material degrades over time and under certain ambient conditions, such as humidity. The process, apparatus, and system are designed to recover at least a portion of the initial adhesive bond strength through the application of joule heating. The adhesive bonding material, and possibly the materials bonded by the adhesive bonding material, is heated via an embedded heat source within the bonded system. The embedded heat source receives electric power from a controlled power source that selectively applies power to achieve optimum heating and adhesive bond strength recovery consistent with a characterization of the bonded system, heat source, and adhesive bonding material.

Abstract: A heat sealer includes a base configured to be mounted on a tabletop, a first jaw connected to the base, and a second jaw operatively aligned with the first jaw. An actuator is coupled to the second jaw to provide relative motion with respect to the first jaw. A heating device is coupled to the first and second jaws for heating the jaws to a set temperature to enable material to be contacted and welded when the first and second jaws are in a closed position.

Abstract: Fiber laminations with a resin therein are advanced to substantial cure in situ while resin-impregnated fiber (in the form of individual tows, a band thereof, or a tape) is being placed on a workpiece on the mandrel by preheating the fiber in a temperature range of 100-700° F. for partially advancing the cure of the resin in the fiber, shaping the fiber to the desired shape, and laying up the partially advanced fiber on the workpiece on the mandrel while simultaneously nip-point heating the fiber in an area proximate to the point where the fiber is being placed on the workpiece. A plurality of parameters are monitored during this placement in order to control the nip-point heating so that the resin in the fiber is substantially cured while the fiber is being placed on the workpiece.

Abstract: A bonded sheet material manufacturing system capable of setting a moisture content of various types of sheet members to be bonded to each other to an optimum value for stably producing a bonded sheet material with less bonding failure and less warp at all times, where the sheet members are heated by individual sheet member heating means and then bonded to each other to produce the bonded sheet material. The system comprises a moisture content detecting means provided for at least one of the sheet members for detecting a moisture content of the sheet member or a parameter correlating with the moisture content and a control unit for controlling the sheet member heating means on the basis of detection information from the moisture content detecting means so that the moisture content approaches a predetermined optimum moisture content.

Abstract: This application relates to a method and apparatus for heating a surface marking, such as a thermoplastic pattern in an asphalt substrate. The marking may be selected for functional or decorative purposes. The method involves gradually applying heat to the marking to avoid scorching and to ensure a consistent bond with the underlying substrate, even in the case of markings having a very large surface area. In one embodiment the method a portable heating apparatus is provided having infrared heaters mounted for reciprocal movement in a travel path periodically passing over the marking and the underlying substrate. The heating method permits direct visual monitoring of the work site to achieve optimum adhesion of the marking to the asphalt or other substrate.

Abstract: A apparatus and method for manufacturing a laminated optical disc that include an adhesive applying device adapted to apply an adhesive to a first substrate, forming an adhesive layer having a specific thickness between the first substrate and a second substrate superimposed onto the first substrate. The manufacturing apparatus and method further include an adhesive supply source adapted to supply the adhesive to the adhesive applying device at a first predetermined temperature and a defoaming tank adapted to remove bubbles from the adhesive at a second predetermined temperature, which is higher than the first predetermined temperature.

Abstract: A mounting apparatus includes: a heater head for bonding a liquid crystal display and a flexible printed circuit board by thermocompression; a cylinder as a heater head driving means for driving heater head to compress the liquid crystal display and flexible printed circuit board by a prescribed load; and a control mechanism as a stretch amount controlling means for adjusting a load change per unit of time after the heater head starts compressing the flexible printed circuit board by the cylinder as well as a time at which a required load is attained to control the stretch amount of the flexible printed circuit board by thermocompression. Preferably, the mounting apparatus is provided with a mechanism which performs measurement after preliminary bonding and which performs regular bonding while controlling based on the obtained information.

Abstract: A system for sealing sheets of plastic film together, comprising an apparatus having a first jaw, a second jaw, a sealing wire and a temperature sensor device. The first jaw and the second jaw are displaceable with respect to one another to a closed position, wherein the first jaw and the second jaw are opposed to one another with the sealing wire therebetween, such that sheets of plastic film positioned between the first and the second jaw in the closed position ate sealed together by the sealing wire when heated during a sealing cycle. The temperature sensor device is positioned to measure a temperature of the sealing wire during the sealing cycle. A power supply is connected to the sealing wire to supply an electric current thereto for heating the sealing wire.

Abstract: A system for sealing sheets of plastic film together, comprising an apparatus having a first jaw, a second jaw, a sealing wire and a temperature sensor device. The first jaw and the second jaw are displaceable with respect to one another to a closed position, wherein the first jaw and the second jaw are opposed to one another with the sealing wire therebetween, such that sheets of plastic film positioned between the first and the second jaw in the closed position are sealed together by the sealing wire when heated during a sealing cycle. The temperature sensor device is positioned to measure a temperature of the sealing wire during the sealing cycle. A power supply is connected to the sealing wire to supply an electric current thereto for heating the sealing wire.

Abstract: An apparatus for heat connecting sections of polymeric tape, and provided with a thermostat-controlled welding head seated in a flat tubular member adapted to be inserted between sections of the tape and a control module for controlling the temperature of a heating coil as a function of supply voltage, the thermostat being positioned directly over the heating coil.

Abstract: An apparatus and method for producing a coated wire or other elongated article including a means to extrude a polymer in tubular form around the wire or article and a means to increase the temperature of the wire or article before extrusion of the polymer thereon. The extruded polymer is elongated from the extrusion opening to the elongated article, forming a melt cone, were the relative feeding speed of the heated elongated article and the extrusion rate of the polymer are controlled and with the aid of at least a partial vacuum that is achieved in the extrusion tooling and inside the melt cone the extruded polymer tightly encases the wire achieving a thin polymer coating.

Abstract: An improved method of and apparatus that is continuously automatically operative in an in-line system is described for applying under heat, vacuum and mechanical pressure a dry film photoresist-forming layer to printed circuit boards (136) that already have been prelaminated by the loose application thereto of the dry film resist as discrete cut sheets within the confines of the surface of the boards whereby a laminate without entrapped air bubbles and closely conforming to the raised circuit traces and irregular surface contours of the printed circuit board is obtained.

Abstract: A platen for use in a laminating press is provided which includes a body of material having first and second faces and spaced first and second ends. Preferably, at least one heating device is disposed in the body of material. First and second spaced cooling channels are formed in the body of material, the first cooling channel being adjacent the first face and having a fluid inlet port adjacent to or in the first end, and a fluid outlet port adjacent to or in the second end, and a second cooling channel being adjacent the second face and having a fluid inlet port adjacent to or in said second end, and a fluid outlet port adjacent to or in the first end. The invention also contemplates using such platens for laminating a book or stack of sheets of material to form a unitary single member having reduced stresses.

Abstract: The invention relates to a device for laminating a layered structure (1), consisting of at least two plastic strips in sections, comprising successive panels with designs, for producing plastic cards along a conveyor path. Said device comprises heating and cooling devices (8, 9, 10, 11) which are positioned one behind the other and consist of individual compression elements, located on a common support (14), whose temperature can be controlled and which accommodate a whole number of panels and a drive unit which displaces opposing compression belts (2, 3) which can be driven intermittently in a direction of transport and between which the plastic strips can be displaced in sections through the heating and cooling devices. The aim of the invention is to provide a device which permits the production of plastic cards with a higher laminate quality.

Abstract: To provide a thermally activating apparatus and a printer for a heat-sensitive adhesive sheet capable of preventing adhesive of a heat-sensitive adhesive sheet from being carbonized to be fixed on the surface of a thermal head to improve efficiency of energy transmission to the adhesive and invariably exhibiting a desired bonding property by optimally controlling energy to be applied.

Abstract: Apparatus for welding plastic workpieces together includes a heater block having first and second surfaces; a first heating element for radiating heat from the first surface; and a second heating element for radiating heat from the second surface; wherein the first and second heating elements being separately controlled for temperature. Temperature sensors are provided for detecting temperature of the workpieces at the weld sites. The heating elements preferably are laid out in a non-planar manner such as a parabolic, convex or other curved or angled configuration so as to focus, direct or otherwise concentrate the radiated heat toward the weld site on the workpiece. The invention is particularly suited for welding a part made of a melt processable material such as PFA to a part made of a non-melt processable material such as modified PTFE.

Abstract: A building board 1 which comprises a cement substrate 14, a front surface coat layer 5 formed on the front surface of the cement substrate 14, and a plastic sheet layer, preferably a polyethylene sheet layer 15 formed on the back surface 12 of the cement substrate 14. A plastic sheet, preferably polyethylene sheets M and F are adhered onto the rabbeted portions 2 and 3, respectively, of the cement substrate 14. Since the rabbeted portions 2 and 3 are covered with polyethylene sheets M and F, the water absorption from the rabbeted portions 2 and 3 can be effectively prevented. and the dimensional change in the whole board can be reduced.

Abstract: An absorbent article including one or more images disposed thereon and a method for making the same are provided according to the present invention, wherein an ultrasonic assembly is used to impart sufficient energy to a deformed web to either partially or fully melt the web either in the deformed areas, or non-deformed areas to thereby form an image. The method can be used to print graphics directly on an absorbent article after its formation, or it can be used to print graphics on an appliquélayer that is subsequently placed on a predetermined portion of the absorbent article.

Abstract: A film-shaped adhesive application apparatus includes a supply reel retainer for mounting a film-shaped adhesive supply reel used to wind into a roll shape a film-shaped adhesive 1 comprising a base film and an adhesive layer formed thereon, thermocompression bonding means for thermocompression-bonding the film-shaped adhesive drawn from the film-shaped adhesive supply reel to an adherend, and a winding reel retainer for mounting a winding reel used to wind the base film of the thermocompression-bonded film-shaped adhesive, and further temperature control means (thermal shield plate, cooler, or the like) for controlling the film-shaped adhesive supply reel mounted on the supply reel retainer at a prescribed temperature.

Abstract: A method and system for bonding plastic parts together utilizing a heat-activated adhesive and at least one infrared lamp are disclosed. The system preferably includes first and second infrared lamps for emitting infrared radiation. A first base section supports a first infrared lamp adjacent the first plastic part and a second base section supports the second infrared lamp adjacent the second plastic part. The system also includes a controller coupled to the first and second infrared lamps for controlling power supplied to the first and second infrared lamps so that the first infrared lamp emits infrared radiation which propagates through the first plastic part and is absorbed by the adhesive and the second infrared lamp emits infrared radiation which propagates through the second plastic part and is absorbed by the adhesive for a time sufficient to heat the adhesive to a desired temperature at which the adhesive is activated.

Abstract: A heat sealer includes a base configured to be mounted on a tabletop, a first jaw connected to the base, and a second jaw operatively aligned with the first jaw. An actuator is coupled to the second jaw to provide relative motion with respect to the first jaw. A heating device is coupled to the first and second jaws for heating the jaws to a set temperature to enable material to be contacted and welded when the first and second jaws are in a closed position.

Abstract: A device for welding overlapping roof membranes comprising a chassis, an air discharge chute and a flame distribution assembly communicating with the air discharge chute. The flame distribution assembly includes a gaseous fuel source inlet, a primary burner, and an ignition source. A control unit ignites the primary burner by the ignition source. The blower connected to an inlet port of the air discharge chute directs heat generated by the primary burner through an air discharge outlet for welding the overlapping roof membranes.

Abstract: A heating control method and an associated system are provided for high rate fiber placement in the construction of composite materials. The heating control method includes measuring a temperature of a fiber tape, determining a velocity of the fiber tape, determining a feedback control value based on the temperature of the fiber tape and a target temperature of the fiber tape, determining a feedforward control value based on the target temperature of the fiber tape and the velocity of the fiber tape, determining a heat control value based on the feedback control value and the feedforward control value, and heating the fiber tape based on the heat control value. By employing the predictive nature of feedforward control, improved heating of the fiber tape is provided.

Abstract: A fastener tape for use in the manufacture of reclosable plastic bags is provided. The fastener tape comprises an intermediate layer and a reclosable fastener profile thereon. The intermediate layer includes three layers of co-extruded plastic, with not more than 4% EVA as the outer two layers and HDPE as the middle layer. The intermediate layer is folded so as to bring portions of the intermediate layer into an opposing relationship. These opposing portions are then sealed together by a pair of seal bars. By carefully controlling the sealing temperature, a consistent peel seal is created between the opposing portions of the intermediate layer without the need for an adhesive.

Abstract: With the ultrasonic adhering method and apparatus, ultrasonic adhesion can be made appropriately, regardless of external environments and a simple structure. The apparatus includes an ultrasonic oscillator for generating ultrasonic vibration, a horn provided in this ultrasonic oscillator for oscillating ultrasonically, and a temperature sensor for sensing the temperature of the horn. A controlling unit is provided for detecting the temperature of the horn and controlling oscillation time of the ultrasonic oscillator in a state of the horn being contact with an object to be adhered in such a manner that the oscillation time has a negative correlation with respect to the temperature of the horn.

Abstract: A media binding device is operable to apply pressure on a plurality of media sheets, while applying heat to melt adhesive provided between the sheets of media. The media binding device may be implemented in conjunction with an image forming device, e.g., printer, facsimile machine, photocopier, etc. More specifically, the media binding device may be implemented in a position generally at an output end of the image forming device, following a collating or stacking of the printed media. The media binding device applies a predetermined amount of pressure on the plurality of media sheets. In this respect, the media binding device operates to apply a gradually increasing amount of pressure onto the media sheets until a predetermined amount of pressure is reached. The predetermined pressure is applied on the media sheets by shutting off the current flowing into a motor operating the media binding device when a predetermined current level is reached.