Abstract: The invention relates to a hand-held device for transferring a film of, for example, adhesive, covering, or colored material onto a substrate. The device has a housing accommodating a film supply and an application member longitudinally projecting from the housing. Film extends from the supply at the lower longitudinal side of the application member facing the substrate during the mode of operation to an application edge of the application member running transversely at the front end. The application member is composed of two application member portions movable relative to each other. In order to enhance the movability of the hand-held device, the relative movement is limited by motion stops provided as an integral part at the application member portions.

Abstract: A filler for finishing architectural panel joints comprising masticized tape having a preferential distribution of mastic along its working surface. The preferential distribution of mastic facilitates finishing of the architectural panel joints. The preferential distribution of mastic may comprise the formation of a non-planar layer of mastic on the tape. The distribution may further comprise a greater volume of mastic along the edge portions of the tape than in the center portion of the tape, or vice versa, or a greater portion in one region of the tape than in another region of the tape. A tool is also provided comprising a mechanism for dispensing masticized tape connected to a tool body. The mechanism comprises a flow valve having a working surface suitable for preferential distribution of the mastic onto the tape. The mechanism further comprises mastic shrouds for containing the flow of mastic and a sprocket cap.

Abstract: An ergonomic dispenser of a roll of adhesive film facilitates application of that film to a surface with minimum manipulation by the user. The dispenser has a low profile where the cutting blade, axis of rotation of the adhesive film roll and dispenser handle lie in closely aligned planes. This creates a low profile dispenser which places the roll of adhesive film in close proximity to the application surface. A flexible shield overlies the cutting blade to prevent unwanted user contact with the blade. Various means are used to manage the loose end of film after it is cut off the roll so that it does not adhere to the roll or double over on itself Unidirectional movement of the roll is also used to manage the loose end of tape after cutoff. Optionally, blade means may be added to the dispenser's handle for use in opening cartons, cutting string or the like.

Abstract: A positioning apparatus for applying adhesive tape to the surface of vertical members of automobile door sashes is disclosed. The apparatus includes a main body with a vertical member contact portion and a horizontal member contact portion. An engagement portion includes a plurality of engagement projections to engage with through-holes in the adhesive tape. A holding member holds a horizontal member between itself and the horizontal member contact portion of the main body using the restoring force of a spring. The holding member is attached to the main body in a manner such that it can swing up and down.

Abstract: In a tool for applying wet tape (with compound) onto drywall seams, it is known that several types of apparatus can do so. In this invention, interchangeable scraper and wheel mounted on leaver like manual mechanism, allow applicator to wipe excess compound under wet tape as it is put on.

Abstract: A method and device for applying sheet material, such as wallpaper, to a substrate. The applicator is bi-positionable, having a first position where the sheet material is spaced apart from the substrate and a second position where the sheet material contact the substrate. Additionally or alternatively, the applicator may be provided with a control bar. In the first position, the control bar contacts a portion of the sheet material such as its free end. This minimizes the chance of the sheet material prematurely contacting the substrate. In the second position, the sheet material is disengaged from the control bar for application to the substrate. The applicator and sheet material may be provided together in a kit.

Abstract: A tape applicator apparatus for applying tape to a surface. The apparatus is configured for application of parallel strips of tape, as lateral plates holding tape are adjusted laterally dependent on the width desired intermediate the tape strips. At least two oppositely disposed tape holders are attached to the lateral plates and are configured collinear to at least two spool members and at least two distal and proximal rollers. The collinear nature of the tape holders, spools, and rollers allow the tape to be applied to the surface in a parallel fashion with a specifically set intermediate distance.

Abstract: A tape dispenser for applying adhesive tape to a substrate surface, the tape having a first surface with a pressure sensitive adhesive thereon and a second surface. The dispenser includes a housing suitable for holding and dispensing a roll of tape. The housing has an exterior application surface that has a tape dispensing opening therein. A plurality of cylindrical rollers are provided within the housing, each roller having an outer surface. The outer surfaces of the rollers coact with each other and the tape surfaces to retain, guide and feed the tape through the tape dispensing opening to the exterior application surface. The outer surface of at least one of the rollers protrudes through the application surface on one side of the opening enabling frictional contact of the roller surface with the substrate surface.

Abstract: An apparatus for displaying an object on a structure is provided. Generally, the apparatus contains a holding portion that is fabricated so as to allow the apparatus to hold to the structure. The apparatus also contains a hook that is capable of allowing the object to be set thereon, and a central loop that is capable of allowing a second object to be situated therein.

Abstract: A tape application device according to the present invention is provided with a first presser roller 16, a second presser roller 19 capable of being re-positioned at a position downstream from the first presser roller as seen in the applying direction of an adhesive tape, a second guide roller 27 rotatable about an axis transverse to rotary axes of a pair of first guide rollers disposed in parallel to the first and second presser rollers 16, 19 and rotary axes of the first and second presser rollers 16, 19, a third guide roller 29 capable of being repositioned in an offset state at an upstream position in the applying direction of the adhesive tape, a tape guide plate 34 pivoted at a proximal end thereof, and holding elements 37, 38 for defining a rotational position of the tape guide plate 34, whereby the adhesive tape can be easily, quickly and accurately applied to a predetermined position in either of a right or left door sash.

Abstract: An apparatus for the application of adhesive material, for use in the laying of flooring and roofing surfaces, comprising a frame, to which are attached a plurality of wheels, an angularly extending handle arrangement and a trowel blade whose height above a sub-floor, on which the adhesive material is to be spread, may be adjusted by some means. The apparatus is designed to be used while in a standing position and drawn across the sub-floor.

Abstract: A device for applying wallpaper borders to walls and ceilings, which is anchored in place by conventional pin means pushed through holes in the surface of the device, for hands free maneuverability. The device is preferably composed of plastic which is waterproof, easily cleaned, safe, and durable. The device is either transparent or made of mesh material, so the user can see when the wallpaper border is nearing its end without having to stop the application process. Handles of varying lengths adjust to wall and ceiling measurements, while the device's cup's length can vary to adjust to different widths of wallpaper border. A cap with a notched rim can also be fitted on the device to secure the wallpaper border inside the device. The device is easy enough for a novice to use and also creates an error free finish suitable for professional use.

Abstract: Transfer devices are disclosed. At least one transfer device includes a housing, a supply roll rotatably mounted to the housing, a take-up roll rotatably mounted to the housing, and an application head. The supply roll has a wound supply of liner wound thereon, and the liner has an adhesive carrying surface with an adhesive provided thereon. The take-up roll has at least an end portion of the liner connected thereto such that rotation of the take-up roll in a take-up direction winds portions of the liner unwound from the supply roll onto the take-up roll. The application head includes a plurality of rollers that are rotatable about substantially parallel axes spaced apart from one another, and a closed-loop belt that is trained about the plurality of rollers to provide a transfer surface facing outwardly of the device. The rotation of the rollers enables the belt to travel around the rollers.

Abstract: A brush applicator forms a tapered inner wall and inwardly extended flange inside of a nozzle, which secures either molded or crimped brush assembly. Two edge applicators apply a substantially uniform thin layer of adhesive or glue only on the edge surface of a workpiece. A first edge applicator applies glue through an exit and a second edge applicator has a roller with side flanges and with a reduced portion in-between. A flat surface applicator implements may have plural vanes and channels inside of two outer walls to distribute adhesive to a wider flat exit. A biscuit applicator applies glue on two side surfaces of elliptical slots that are formed by biscuit cutters. The glue flows through plural vanes or plural transversely positioned openings and passes to form two opposite layers of glue. A dowel applicator applies a thin substantially uniform layer of glue on the wall of a dowel-receiving hole prior to installation of dowel pins.

Abstract: A gluing station for adhesive binding sheet blocks with clamping fixtures for localizing a sheet block with a glue application device, which provides at least one glue application roller that is moveable relative to a block spine by a carriage. Moveable tightening fixtures for slanting the block spine are provided, and the carriage is arranged on a linear carriage track that is inclined at least nearly parallel to the slanted alignment of the block spine. The gluing station may be used for adhesive bindings of books, brochures and other printed products.

Abstract: An hand application tool for laying a sealant spacer strip along a glass sheet for forming insulating glass units having a handle with first and second ends; a base having freely rotatable rollers connected to the first end of the handle; and a housing connected to the first end of said handle and to the base the housing having a positioning roller, at least one guide pin and a housing roller wherein the at least one guide pin and the housing roller form a guideway for deploying the adhesive strip and the housing roller provides pressure for applying the sealant spacer strip onto the glass sheet.

Abstract: A wallpaper pasting device that unrolls wallpaper, as well as measures wallpaper as it is dispensed. Adhesive is applied via the present invention, so that the wallpaper is ready to be cut and installed on a wall. A single user can thus prep wall paper for wall mounting.

Abstract: The invention relates to a hand-held device for transferring a film of, for example, adhesive, covering, or coloured material from a backing tape onto a substrate. The device has a housing in which a supply of the backing tape is arranged, and an application member projecting from the housing and having a first and a second application edge. The backing tape is wound around the free end and the application edges of the application member and extends into the housing with tape sections at the lower longitudinal side facing the substrate during the mode of operation and at the upper longitudinal side opposite the lower longitudinal side. For improvement of the view to the film application during the mode of operation, the second application edge projects from the lower longitudinal side of the application member.

Abstract: The present invention is an adhesive tape applicator 1 which applies an adhesive tape attached to a release liner to a door sash frame F of an automobile while removing the release liner as the adhesive tape applicator is moved along the door sash frame and comprises a holding element 2 which can slidably hold the door sash frame F, the holding element 2 comprising a guide element 11 which holds the door sash frame F and slidably guides the applicator and an elastic roller 9a which presses the adhesive tape to the door sash frame F. Thus, the present invention provides an adhesive tape applicator which is capable of applying an adhesive tape stably and accurately and provide an adhesive tape applicator which can realize improved operability and apply the adhesive tape at a high speed.

Abstract: A device to assist in the application of an adhesive tape to a predetermined position in the width direction on an adherend surface having a neighboring surface linked thereto via a folding line. The device comprises a pressing member (1200) with a surface (1202) attached pressingly to a surface (1002) of an adherend member (1001), and at the same time, an edge (1008) between a sloping surface (1007) and an upper surface (1205) makes line contact with a neighboring surface (1004) near a folding line (1003) of the adherend member (1001), thereby defining the position of the pressing member (1200) in the width direction relative to the adherend surface. The position of an adhesive tape (10) relative to the pressing member is defined by an upper surface of a tape guide attaching member (1410) and a lower surface of a flange (1421) of a guide bar (1420).

Abstract: Automatic device for dispensing and applying adhesive tape onto surfaces to be joined, using ordinary adhesive tape of the kind used in offices, schools, workshops, businesses and DIY, etc., includes a casing supporting a roll of adhesive tape and a cutting blade facing a tail of unwound adhesive tape, as well as a mobile application part controlled by the user, for the direct application under pressure of the adhesive tape onto the surfaces to be joined and that cooperate, during the application and cutting phase of the adhesive tape, with [[said]] the blade which is movable due to kinematic parts for the connection with the mobile application part.

Abstract: A method and device for applying a graphic from a carrier sheet to a receiving substrate. A press roll, mateingly aligned to a support surface, is made to traverse the support surface in a reciprocating manner while applying controlled pressure. A flexible web is attached and held stationary at one end of the support surface, wrapped around the press roll, and fixed to a tensioning device that allows movement of the web under tension. The web is adhesively coated on the side opposite the press roll. When pulled across the work surface by the press roll, the adhesive face of the web comes in contact with the graphic and is removed from the carrier sheet. The web is reversed and the graphic is peeled away from the work surface and the carrier sheet by the tensioning device. The carrier sheet is removed, replaced by the receiving substrate, and the cycle is repeated applying the graphic to the receiving substrate.

Abstract: Vacuum-assisted film laminating and removal systems and methods of using the same. The systems include a vacuum-assisted laminator for applying large format films to substrates where lamination pressure is generated at least partially by a vacuum drawn in a vacuum cavity. The removal apparatus applies tension over the width of the adhesive film, thereby removing the film from the substrate along the release line that extends over the width of the film. The systems and methods can be used to apply and remove large-scale adhesive films from substrates.

Abstract: An adhesive tape applicator comprises a holding means 3 which slidably holds a door sash frame of an automobile, the holding means 3 comprising a guide means 4 which slidably holds the door sash frame and guides the applicator along the door sash frame, a pressing portion 7 which presses the adhesive tape and an adhesive tape guide means which separates a release liner from the adhesive tape the leads the adhesive tape to a pressing portion 6, the adhesive tape guide means comprising a tape passage which is disposed at the front side of the pressing portion 6 in the sliding direction of the applicator and extends from the vicinity of the pressing point of the pressing portion 6 to a rear position in the pressing direction and a movable part 9 which is slidably supported in the sliding direction of the applicator or the opposite direction across the tape passage. Thus, the present invention is capable of stably and accurately applying the adhesive tape at a high speed and improving operability.

Abstract: An apparatus is provide that aids in the finishing of ceilings. The tool provides for the rolling on of cement or other similar finishes and then an integral knife blade smoothes over the finished surface. Such an invention prevents the user from using multiple tools, and from using stilts to reach the ceiling surface.

Abstract: An apparatus and a continuous process produce composite structural insulated panels (SIPs). Lower boards are placed on a conveying system through a foam application zone and then upper boards are applied. The foam material adheres to the upper and lower boards to form a structural insulated panel after passing through a curing apparatus.

Abstract: A tape dispenser comprises a cylindrical hub for rotatably supporting a roll of tape, and a dispensing arm extends radially outwardly of the hub and has a tape guide on the bottom thereof by which tape is arched concavely toward an underlying surface as the tape is displaced from the dispenser and applied to the underlying surface. A brake arrangement on the dispenser is operable manually by a user to stop or otherwise control rotation of a tape roll during a dispensing operation.

Abstract: A tape and joint compound dispenser is formed by a housing defining an interior chamber for receiving joint compound and joint tape. A valved port in the housing opens into the chamber for supplying joint compound. A tape lifter in the chamber enables the user to lift the tape in the chamber to facilitate supplying joint compound to the chamber through the port and below the tape.

Abstract: An automatic cutting device for an adhesive-tape holder includes a handle, a blade holder, a blade and a press plate. The blade holder is provided with two fixing studs and a receiving groove. The blade has two oval holes fitted around the fixing studs of the blade holder. The blade slide base is mounted on the blade to activate the blade to move forward, and provided with two oval holes, a projecting stud and a spring. The press plate is formed with a push plate at the lower end for pushing the blade slide base. The blade is sandwiched between the blade slide base and the blade holder to be guided and restricted in shifting, so that it can automatically cut off an adhesive tape with precision when the press plate is pressed.

Abstract: An adhesive-tape cutting device of an adhesive-tape holder includes a side plate provided on one side of a blade holder of the adhesive-tape holder. The side plate is provided with a support rod and a pivotal shaft. A press plate is formed with a push plate at its lower end to push a slide base together with a blade to move forward, with a curved support member formed between the press plate and the push plate and rested against the support rod of the side plate. The curved support member rests against the support rod serving as a fulcrum, operating the press plate with a little force to let the blade cut off an adhesive tape easily. The press plate is sandwiched between the support rod and the slide base, so it is needless to be additionally provided with any fixing member, economizing cost and facilitating assembling.

Abstract: An adhesive tape dispenser is comprised of a dispensing body that provides for the loading of a roll of tape at its rear portion and a blade mounted on the dispensing body. A roller, a guide wheel, and a pawl are respectively pivotally mounted in the dispensing body. The roller has a plurality of protrusions arranged around one end thereof. The pawl has a pressing member capable of positioning against the circumferential face of the roller as well as an engaging portion capable of becoming engaged between two protrusions of the roller, and the pawl is postured to the rear by an elastic member. Tape is inserted between the roller and the pawl and then routed pass the guide wheel to the area of the blade and when it is applied forward, the roller correspondingly rotates forward in the same direction and the protrusions allow the engaging portion to slide over them.

Abstract: Provided is a taping machine which enables shortening the time length for bonding to each other a Fresnel lens sheet and a lenticular lens sheet and for the inspection process as well as reducing the space occupied by apparatuses used for the both processes. The taping machine includes a table part that has placed thereon a Fresnel lens sheet and a lenticular lens sheet with the end surfaces thereof being regularly arranged and superposed over upon the other, and a tape-applying mechanism that bonds the end surfaces to each other by means of a tape. The table part has a black-colored opaque plate on which a transparent plate is mounted.

Abstract: Drive device for a handheld heater unit for welding plastic sealing webs and sheets, which is equipped with a heater device for heating the plastic sealing webs and sheets which are to be welded. The drive device has an elongate housing with a pressure-exerting and driving roller, by means of which the joining force can be applied in the vertical direction with respect to the plastic sealing webs and sheets. Furthermore, there is a coupling unit for joining the housing to the heater unit, in such a manner that the longitudinal axes of the housing and of the heater unit run substantially parallel to one another. In the housing there is a motor, which drives the pressure-exerting and driving roller, the height and/or distance of which with respect to the heater device is adjustable.

Abstract: A tape dispenser comprises a housing, which is constructed from a first and a second housing pieces. The housing has a first aperture and a second aperture. A tape seat has a base wall and two side walls. A tape wheel is installed in between the side walls for free rotating. A second roller is pivoted at front side of the base wall. The tape seat is detachably installed to the housing for a third aperture formed at between the end of the base wall and the housing. A coupler link is received in the housing with the midsection thereof pivoted to the housing. A press member is received in the housing for displacing within a predetermined distance, which has a part extending out of the housing via the first aperture and has an end pivoted to an end of the coupler link.

Abstract: An apparatus for seaming roofing membranes to one another, wherein one of the membranes is secured to an underlying support structure by at least one protruding fastener, the apparatus including a wheeled carriage having an upwardly extending push/pull bar, a power supply carried by the carriage, the power supply driving the wheeled carriage, a heating assembly carried by the carriage and powered by the power supply, the heating assembly including a fan and a heating element, wherein the fan blows ambient air over the heating element and generate a heated airflow sufficient to fuse the roofing membranes to one another, a nozzle coupled to the heating assembly for directing the heated airflow between the two membranes, the nozzle having a pair of outer channels and an elevated center channel disposed between the pair of outer channels, the elevated channel passing over the at least one protruding fastener, and a variable pressure roller assembly coupled to the carriage, the roller assembly having a pair of out

Abstract: The present invention relates to a tape attaching device used in attaching a tape to a car door sash, instead of painting. Tape attaching device comprises a drum block 2 having pressure drums 4, 6 and guide bars 8, 10, a drum cap 12 for adjusting the length of the pressure drums 4, 6 and guide bars 8, 10, an inner roller block 16 having a plurality of inner rollers 18 facing the pressure drums 4, 6 and mounted to a block housing 14 together with the drum block 2 so as for space to be adjusted, a slide support 22 mounted so as for space to be adjusted in the same direction as that of the inner roller block 16, and an outer roller block 26 mounted to the slide support 22 so as for height to be adjusted and having a plurality of outer rollers 24. It can apply to all kinds of car by simply adjusting the space between the pressure drums 4, 6 and inner and outer rollers 18, 24 and the height of outer rollers 24 according to the width and sectional shape of attaching surface of door sash portion 50.

Abstract: A mark transfer tool making use of a coat film transfer technology about various marks composed of characters, codes, patterns or their combination. A mark transfer tape is composed of pressure-sensitive adhesive transfer marks disposed and held on the surface of a base tape continuously and peelably at specific intervals, and a visual recognition line for showing the division position of transfer marks are disposed between the transfer marks. Corresponding to this configuration, the leading edge of the transfer head of the mark transfer tool is a visual recognition positioning part, and the coincidence of the two is recognized as the standard for transfer, so that the transfer mark of the mark transfer tape can be accurately transferred on a correction area.

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 tape application apparatus comprises a pair of first guide rollers provided on a main frame, biasing means for biasing a sub-frame mounted movably on the main frame to the side of the first guide rollers, a pair of second guide rollers mounted on the sub-frame so as to face the first guide rollers for holding the frame movably along a tape application plane incorporation with the first guide rollers, a pressure roller mounted on the main frame in the state where an adhesive tape is wound and is pressed against the tape application plane, a tape guide plate in which a base end thereof is mounted rotatably on the main frame, and tape guide plate holding means for holding the tape guide plate so as to form a gap for guiding an adhesive tape with release liner incorporation with the pressure roller.

Abstract: A weld wheel assembly for disposition on a membrane welding machine, and for positioning a weld wheel adjacent a nozzle hot air outlet for pressing an overlying roof membrane heated by the nozzle against an underlying roof membrane heated by the nozzle, for welding the membranes together. The assembly includes a weld wheel rotatably mounted on an axle which is moveable toward and away from the membranes, and pressure exerting structure mounted on the machine and operable to bias the axle toward the membranes during operation of the machine.

Abstract: A method for attaching thermoplastic strips to a roof of thermoplastic roof membranes includes the steps of providing strips of thermoplastic material, the strips each comprising an upstanding central portion extending lengthwise thereof, and opposed flange portions extending widthwise from the central portion, positioning the strip proximate a selected position on the roof for attachment to the roof, providing a self-propelled apparatus having means for affixing the strip onto the roof, and directing the apparatus along a line delineating the selected position on the roof to guide the strip into position adjacent the line and to affix the strip onto the roof membrane alongside the line.

Abstract: An adhesive tape dispenser for dispensing and cutting a length of an adhesive tape. The adhesive tape dispenser comprises an adhesive tape cutting device. The adhesive tape cutting device comprises a) a resting surface to which a tacky side of said adhesive tape can be adhered while the adhesive tape is being cut, b) two lateral webs extending in the same direction from both edges of the resting surface to serve as guides for the adhesive tape, and c) a cutting blade having a blade edge and positioned on an inner side of one or both lateral webs in such a way that the blade edge is inclined at an angle which is oblique relative to the resting surface. The lateral webs have a height from the resting surface which is the same or is higher than each cutting blade. The adhesive tape dispenser is useful to dispense and cut adhesive tapes comprising a backing of biaxially oriented or highly stretched film, such as polyolefin.

Abstract: A tape delivery end-effector apparatus is, in an exemplary embodiment, a multiple-channel system for applying materials in tape form to a tooling mandrel. The end-effector apparatus is mounted on a multi-axis fiber placement machine and uses the machine's computer controlled guidance system. A preset constant tension is independently applied to each tape unspooled from spool holders by a separate servo motor, servo amplifier and feedback transducer for each spool holder. The transducer continuously measures the tape spool diameter. Two sets of rollers guide the tapes to the mandrel.

Abstract: A device for depositing in contact roving of pre-impregnated fibers in which at least one roving (F) is, in the course of a deposition sequence, unrolled from a spool (19) or the like, pressed and deposited on the surface (9) to be covered with the help of a deposition roller (11) or the like, then cut when the desired length of roving is deposited. Substantially from beginning to end of each deposition sequence the roving (F) is maintained in contact with the roller (11), the roving being unrolled substantially under only the tension of the roller and deposited and held, at least at the beginning and at the end of the deposition path, pressed against the surface to be covered, and, at the end of the deposition sequence, spacing the deposition roller (11) from the surface (9), then cutting the roving in its portion between the roller and the surface. Useful in the production of structures of composite material.

Abstract: Mesh drywall tape dispensing apparatus includes a chassis with a pistol grip for one-hand operation, a tape reel, a tape guide roller mounted within the chassis, and a tape pressure roller mounted adjacent a front end of the chassis. A tape cutter trigger assembly is mounted within the chassis by the pivot pin of the guide roller and movable into a cutting position. The cutter includes a serrated knife edge directed away from the pressure roller at an acute angle to the tape extending from the guide roller to the pressure roller. A corner roller is pivotally mounted on the chassis for movement into a tape engaging position. The pistol grip and the tape reel are mounted on opposite sides of the chassis and adjacent a rear end with the pressure roller mounted adjacent the front end so that the apparatus is generally bounded by a first plane tangent to the pressure roller and bounding a tape roll on the reel and the corner roller therein and a second plane tangent to the pressure roller and the handle.

Abstract: An applicator of heat-reactive adhesive-impregnated tape has a pair of side-by-side, spaced-apart wheels which carry an endless belt. A support mechanism holds the belt against a moving sheet of material that the tape is being applied to. A tape dispenser heats the tape to melt its adhesive and feeds the heated tape onto the sheet of material. The tape travels with the sheet of material under the belt and the belt presses the tape into contact with the sheet of material. The distance between the wheels is such that the belt is in contact with the tape until the adhesive is completely cured.

Abstract: A roof membrane welding apparatus capable of applying a weld to a first membrane and an overlapping second membrane. The apparatus includes a movably supported chassis, a welder attached to the chassis for heating the top membrane to at least the vicant softening point to weld the overlapping second membrane and the first membrane, and at least one weld wheel rotatably attached to the chassis and located rearward of the nozzle relative to the direction of movement of the apparatus, the weld wheel including a marker having an indicia thereon that is transferred to a top surface of the second membrane only where the first membrane and the second membrane have undergone a phase change during heating.

Abstract: Pressure roller and heating element combination for a welding apparatus and a method designed to weld a first thermoplastic sheet laid on the deck of a roof structure and secured to the deck by a line of fastening means, and an overlapping second thermoplastic sheet disposed over the line of the fastening means. The pressure roller includes a distal end, a proximal end, and a center portion which defines a groove. The groove is provided with an elastomeric cushion to smoothly ride over the line of fastening means and expel air from between welds produced on both sides of the fastening means when the apparatus is advanced in tandem with a heating element longitudinally along the overlapping portions of the thermoplastic sheets.

Abstract: A nozzle for directing discrete streams of air along separated and parallel first and second paths includes a chamber for receiving air of a selected temperature, a first outlet arm extending from the chamber and having a first outlet at a distal end thereof and in a first outlet plane, and a second outlet arm extending from the chamber and having a second outlet at a distal end thereof and in a second outlet plane, an axis of the second outlet arm being generally parallel with an axis of the first outlet arm, the second outlet plane being offset from the first outlet plane.

Abstract: An apparatus is provided for applying a masking element adjacent a wall in a predetermined pattern. The masking element application apparatus includes first and second longitudinal members positioned at a predetermined distance from one another adjacent the wall and a dispenser for dispensing the masking element. The dispenser is carried laterally between said first and second longitudinal members and is slidable along said first and second longitudinal members from a first position to a second position. In operation, an end of the masking element may be attached to the wall when said dispenser is in said first longitudinal position and the masking element may be dispensed longitudinally along the wall by slidably moving said dispenser from said first position to said second position, thereby applying the masking element adjacent the wall in the predetermined pattern.