An add-on part (10) for connecting to a component (30). The add-on part (10) has a longitudinal axis (A) and a welding section (11) to be welded to the component (30) by torsional ultrasonic welding. The welding section (11) has a contact surface (12) for contact with a torsion sonotrode (70) and a welding surface (13) for connecting to the component (30). The welding section (11) is delimited, at least in some sections, by an inner vibration-decoupling zone (14). The inner vibration-decoupling zone (14) extends, at least in some sections, at an inclination to or parallel to the longitudinal axis (A). The method comprises a) bringing the welding surface (13) in contact with a welding region (31), b) applying a force to the contact surface (12) such that the welding surface (13) is pressed against the welding region (31), and c) introducing a torsional ultrasonic vibration into the welding section.

An ultrasonic system and method for sealing a complex interface, such as a Gable top, having multiple and a variety of layers across the interface, or an oval or round spout having a complex geometry. The system includes two ultrasonic horns arranged opposite a gap between which the interface is provided. The frequency and phase of the ultrasonic energy are synchronized as the energy is applied simultaneously while the interface is pressed between a jaw and the energy is applied to both sides of the interface. Only one application of the frequency- and phase-synchronized ultrasonic energy is required to hermetically seal all the layers of the interface together.

In one method, a piece of nonwoven PET or PP fabric is formed into a tote bag using a bag forming device. Seams of the tote bag are ultrasonically welded using an ultrasonic bag welding device. The ultrasonic bag welding device includes at least one sonotrode. In another method, BOPP film is received and a full-color graphic is printed on the BOPP film for each tote bag using a printer. The printed BOPP film is received from the printer and nonwoven PP or PET fabric is received from a roll of nonwoven PP or PET fabric using a laminator. The printed BOPP film is laminated to the nonwoven PP or PET fabric. The printed BOPP film laminated to nonwoven PP or PET fabric is received from the laminator and a finished version of each tote bag is produced using an ultrasonic bag welding device.

A container, a nebulizer and a use of an indicator device are described, where the container comprises an indicator device fixedly mounted on the bottom of the container, the container is arranged within the nebulizer and the container can be detached by grabbing the indicator device.

An anvil is provided in an ultrasonic sealing machine, in which vibration applying surfaces of a pair of horns and an abutment surface on an end face of the anvil cooperate with each other to bond a laminate. The abutment surface includes left and right welding surfaces which are disposed in the extending direction of the vibration applying surface and protrude toward the horns to face two vibration applying surfaces. The left and right welding surfaces each have an area per unit length in the extending direction, which continuously or step-wisely increases with an increase in distance from a center of the seal area, which is a region where the two vibration applying surfaces are adjacent to each other.

In one method, a piece of nonwoven PET or PP fabric is formed into a tote bag using a bag forming device. Seams of the tote bag are ultrasonically welded using an ultrasonic bag welding device. The ultrasonic bag welding device includes at least one sonotrode. In another method, BOPP film is received and a full-color graphic is printed on the BOPP film for each tote bag using a printer. The printed BOPP film is received from the printer and nonwoven PP or PET fabric is received from a roll of nonwoven PP or PET fabric using a laminator. The printed BOPP film is laminated to the nonwoven PP or PET fabric. The printed BOPP film laminated to nonwoven PP or PET fabric is received from the laminator and a finished version of each tote bag is produced using an ultrasonic bag welding device.

Parts (10) for connection to at least one further part (30, 30). The part (10) has at least two weld sections (11, 11) to be welded individually to at least one of the further parts (30, 30) by vibration welding. Each weld section (11, 11) has at least one weld surface (13, 13), for connection to the corresponding further part (30, 30), and is spatially separated from each other weld section (11, 11) by at least one vibration decoupling zone (14, 14, 23, 26). The part (10) has a particular arrangement of the weld section (11, 11) with respect to the center of gravity (S) or has a particular mass distribution with respect to the weld section (11, 11). Methods for connecting a part to at least one further part (30, 30) and a composite part (90) containing a part (10) and a further part (30, 30) are also disclosed.

A distal end portion on a side of an object to be joined of a resonator for joining is so configured that a plurality of protrusions each having an outer face not including an angular shape edge are stacked in two or more steps in a direction in which the resonator for joining and a reception jig for joining oppose to each other and that a shape of a protrusion on the side of the object to be joined is made smaller than a shape of a protrusion on a side of the resonator for joining. With this configuration, it is possible in the process of joining the object to be joined to first concentrate energy of acoustic vibration or ultrasonic vibration on a protrusion having a smaller shape serving as a first step protrusion to trigger to start displacement, then smoothly join, by a protrusion having a larger shape serving as a second step protrusion, a part of the object to be joined existing around the protrusion having the smaller shape, whereby metal foils can be joined without using a protection member for protection of the metal foils. A distal end portion having a plurality of protrusions stacked in two or more steps may be provided in the reception jig.

An ultrasonic bonding tool is used on a horn side or anvil side of an ultrasonic joining device in which two synthetic resin sheets that include a polyethylene layer, a polypropylene layer and a ceramic heat-resistant layer are superposed and joined together so that the heat-resistant layers face each other. The ultrasonic bonding tool includes a plurality of protrusions shaped as quadrangular pyramids having a flat top surface. Each of the protrusions has an apex angle formed by two mutually opposite side surfaces that is within a range of 110-130. When two separators of a battery cell are joined together using the ultrasonic bonding device with the ultrasonic bonding tool, a force with which the separators adhere to the protrusions is weak. In this way, the separators do not adhere to the horn during ultrasonic bonding of the synthetic resin sheets.

A method for producing insulating profiles comprises manufacturing a profile body and a first functional element separately, and the profile body and the first functional element are supplied to an ultrasonic welding device, wherein the profile body and the functional element are connected to one another by a material bond by formation of a welded joint. The profile body and the functional element are brought together into a predetermined first cross-sectional geometry during formation of the welded joint and are thereafter guided in this cross-sectional geometry until the plastics material of the welded joint solidifies to such an extent that the profile body and the first functional element are fixed in the predetermined cross-sectional geometry.