Abstract: A device for melting adhesive having a melting grill that has a multiplicity of passage openings, and heating elements, wherein the melting grill is heatable by the heating elements and melted adhesive heated by the hot melting grill is dischargeable through the passage openings, the melting grill on that side thereof that faces the adhesive to be melted having ribs. The melting grill has rotatable rods that are disposed beside one another and ribs that are disposed on the rods, the rods and the ribs being heatable by the heating elements, wherein ribs of adjacent rods are aligned so as to be directed toward one another, and the passage cross sections of the passage openings between the rods are modifiable by rotating rods of the melting grill. The device enables varied forms of delivery of solid adhesive to be melted at a high specific melting rate without the adhesive thereby being subjected to damage due to excessive thermal stress.

Abstract: A device for applying adhesive to a substrate, having an application roller that is rotatable about an axis, an installation for dispensing adhesive to a circumferential area of the application roller, a dispensing region of the application roller for dispensing adhesive from the application roller, and having a doctor blade, wherein the dispensing region for adhesive in the rotation direction of the application roller is located behind the installation for dispensing the adhesive to the application roller and ahead of the doctor blade. In such a device it is provided that the application roller is rotatable about a vertical axis and the excess adhesive wiped by the doctor blade reaches a collection installation that is located below the doctor blade. In a method for applying adhesive to a substrate, excess adhesive that has not been applied to the substrate is disposed of.

Abstract: The invention relates to a device for conveying a fine-particle medium, in particular a granulate, including a flexible receptacle for receiving the medium, a receiving fixture for fastening of the receptacle in the region of an upper end facing away from a base of the receptacle, and a suction apparatus, inserted from above into the receptacle, for sucking the medium out of the receptacle. The device further includes outside the receptacle, in its base region or its lateral region, an apparatus for acting on the receptacle for the purpose of its deformation. The device ensures that feed interruptions during the conveyance of the fine-particle medium are avoided so that the medium is kept in a conveyable state, whereby an undisturbed automated feed of the medium is secured.

Abstract: An apparatus for dispensing flowable substances, having a nozzle having an exit opening for dispensing the substances from the nozzle, and a closure part movable by a control element, disposed outside of the nozzle, and configured to release the exit opening and close the exit opening, in the region of a closure part surface that faces the nozzle end. The closure part surface is delimited, in the movement direction of the closure part from the open position to the closed position, by a leading edge, in the leading direction. The closure part surface is disposed next to the nozzle and at a level upstream from the exit opening, with reference to the flow direction of the substances through the nozzle, in the open position. The closure part can be moved from the open position to the closed position by the control element, such that the leading edge of the closure part surface is moved past the free nozzle end.

Abstract: An apparatus for dispensing flowable substances, having a nozzle having an exit opening for dispensing the substances from the nozzle in the region of a free nozzle end, and a closure part that can be moved by means of a control element, disposed outside of the nozzle. The closure part releases the exit opening in an open position and closes the exit opening in a closed position. The control element has a frame, a transfer medium that brings about shape fit and has wheels, the transfer medium generates angle synchronicity of wheels mounted in the frame so as to pivot, a drive for the transfer medium, for pivoting the respective wheel in two opposite pivot directions, a bearing element for the closure part, mounted in wheels so as to pivot. The bearing element is mounted about pivot axles in the wheels, so as to pivot. The pivot axles are disposed in the frame parallel to the pivot axles of these wheels. The closure part is mounted in the bearing element.

Abstract: An application head for dispensing a flowable medium includes a nozzle chamber in the application head and a nozzle needle movably mounted in the nozzle chamber. A supply channel and a supply line introduce the medium into the nozzle chamber. A drive moves the movable element. A lever arm is movably fastened to the nozzle needle and connected to the drive. The lever arm extends through a membrane of a membrane suspension connect the lever arm movably to the application head and form a seal to prevent escape of the flowable medium. Alternatively, a rocker suspension has a lever arm connectable to the movable element and the drive, a plate element has an opening through which the lever arm extends, a rocker mounting device connects the lever arm movably to the application head and a sealing device prevents any escape of adhesive from the chamber through the plate element opening.

Abstract: The invention relates to a device for conveying a fine-particle medium, in particular a granulate, including a flexible receptacle for receiving the medium, a receiving fixture for fastening of the receptacle in the region of an upper end facing away from a base of the receptacle, and a suction apparatus, inserted from above into the receptacle, for sucking the medium out of the receptacle. The device further includes outside the receptacle, in its base region or its lateral region, an apparatus for acting on the receptacle for the purpose of its deformation. The device ensures that feed interruptions during the conveyance of the fine-particle medium are avoided so that the medium is kept in a conveyable state, whereby an undisturbed automated feed of the medium is secured.

Abstract: The invention relates to a hand application device (1) having improved handling capability, in that its individual elements (2, 7, 12) are rotatable and adjustable to one another around four rotational axes (8, 10, 13, 28).

Abstract: An application head for dispensing a flowable medium includes a nozzle chamber in the application head and a nozzle needle movably mounted in the nozzle chamber. A supply channel and a supply line introduce the medium into the nozzle chamber. A drive moves the movable element. A lever arm is movably fastened to the nozzle needle and connected to the drive. The lever arm extends through a membrane of a membrane suspension connect the lever arm movably to the application head and form a seal to prevent escape of the flowable medium. Alternatively, a rocker suspension has a lever arm connectable to the movable element and the drive, a plate element has an opening through which the lever arm extends, a rocker mounting device connects the lever arm movably to the application head and a sealing device prevents any escape of adhesive from the chamber through the plate element opening.

Abstract: The invention relates to an application head (15) for dispensing a free-flowing medium. The application head (15) comprises an injection chamber (10) inside the application head (15) and an injection needle (11) movably mounted inside the injection chamber (10). An opening movement (P) of the injection needle (11) opens an outlet (12). A supply channel (13) and a supply line are also provided in order to introduce the free-flowing medium into the injection chamber (10). A drive (20) generates the opening movement (P) of the injection needle (11). The application head (15) also comprises a lever arm (30), the first end (31) of said arm being movably fixed to a rear end (14) of the injection needle (11) and the second end (32) thereof being connected to the drive. A membrane suspension (33) comprising a membrane (34) is provided, and the lever arm (30) extends through the membrane (34) of the membrane suspension (33).

Abstract: The invention relates to an application head (15) for dispensing a free-flowing medium. The application head (15) comprises an injection chamber (10) inside the application head (15) and an injection needle (11) movably mounted inside the injection chamber (10). An opening movement (P) of the injection needle (11) opens an outlet (12). A supply channel (13) and a supply line are also provided in order to introduce the free-flowing medium into the injection chamber (10). A drive (20) generates the opening movement (P) of the injection needle (11). The application head (15) also comprises a lever arm (30), the first end (31) of said arm being movably fixed to a rear end (14) of the injection needle (11) and the second end (32) thereof being connected to the drive. A membrane suspension (33) comprising a membrane (34) is provided, and the lever arm (30) extends through the membrane (34) of the membrane suspension (33).

Abstract: A device for spreading a two-component coating material, including at least two components, on a flat web-shaped carrier includes a slotted nozzle provided with an output slot whose length defines the width of the coating material application to the carrier, wherein the slotted nozzle is provided with two end areas and a nozzle chamber which is arranged inside the slotted nozzle and extends in a parallel to the output slot from the first to the second end area. A first mixer is arranged in the region of the first end area. A second mixer is positioned in the region of the second end area. At least one first reservoir for the first component and at least one second reservoir for the second component are provided. A transport mechanism is used for individually transporting the first component from the first reservoir to the first and second mixers and for transporting the second component from the second reservoir to the first and second mixers.

Abstract: A device for clocked dispensing of portions of a pasty compound, having a nozzle body, which has a vertical main channel terminated on top and a feed channel for feeding the pasty compound. The nozzle body comprises a multiplicity of distribution channels running transversely to the main channel, each having an entry cross-section on the main channel and each having an exit cross-section, and a dispensing area, into which the exit cross-sections of the distribution channels open out. The distribution channels have a distribution channel area rising in the flow direction of the pasty compound.

Abstract: The invention relates to a device (1) for applying heated adhesive and/or hot glue having at least one application head (2) having at least one nozzle (3) and a controller for the delivery of the heated adhesive and/or hot glue through the nozzle (3), the application head (2) being sheathed by a housing (4) and the housing (4) exposing an opening (5) for the nozzle (3) in such a way, that the nozzle (3) is enclosed on at least two diametrically opposite sides by at least two webs (6a, 6b).

Abstract: A device (10) for spreading a two-component coating material (1), consisting of at least two components, on a flat web-shaped carrier (16) comprises a slotted nozzle (11) provided with an output slot (11.2) whose length (L) defines the width of the coating material (1) application to the carrier (16), wherein the slotted nozzle (11) is provided with two end areas and a nozzle chamber which is arranged inside the slotted nozzle (11) and extends in a parallel to the output slot (11.2) from the first to the second end area. A first mixer (15) is arranged in the region of the first end area. A second mixer (15) is positioned in the region of the second end area. At least one first reservoir (K1) for the first component (A) and at least one second reservoir (K2) for the second component (B) are provided.

Abstract: A device for clocked dispensing of portions of a pasty compound, having a nozzle body, which has a vertical main channel terminated on top and a feed channel for feeding the pasty compound. The nozzle body comprises a multiplicity of distribution channels running transversely to the main channel, each having an entry cross-section on the main channel and each having an exit cross-section, and a dispensing area, into which the exit cross-sections of the distribution channels open out. The distribution channels have a distribution channel area rising in the flow direction of the pasty compound.

Abstract: Apparatus for use in a system which dispenses, for example, adhesive capable of flowing, that melts with increasing temperature. The apparatus includes a container (10) to receive adhesive and a melting device (19, 25) to induce the rise in temperature, so that part of the adhesive is changed into a fluid state. An outlet zone (19) is provided, having at least one passageway (20) for the adhesive capable of flowing.

Abstract: An installation (10) for conveying a liquid from a container (12) to a carrier material (45, 47). The installation (10) comprises a conduit system with two parallel conduit branches (24, 26). A conveying pump (14, 16) is arranged in each conduit branch (24, 26), and each conduit branch (24, 26) leads to a dispensing head (34, 36). At least one dispensing pump (14) is an intermittently operating pump, in particular a piston pump, while the second conveying pump (16) can be a pump of any arbitrary construction, in particular a continuously operating pump, for example a gear pump. The installation (10) can be used for conveying liquids of various, also temperature-dependent viscosities, such as an adhesive, for example.

Abstract: The invention relates to a method and a device for the delivery of adhesives, in particular for the delivery of hot melt adhesives in the form of a thin stream of adhesive spray directed onto the product surface and acted upon by at least one air jet. A spray head (40) is arranged at the one end of the device (45), which comprises a connecting housing (25) for receiving a insertion element (30), provided with an outlet opening (34) for the thin stream of adhesive spray (glue) and embodied as a nozzle conduit, a guide sleeve (35), designed for the coaxial seating of the piston rod (43), as well as a nozzle body (15) with bores (20) arranged in the circumferential direction distributed in respect to each other, in which an air nozzle (10) with an interior chamber, which is embodied to be convergent-divergent in the flow-through direction, is respectively arranged.