B29C66/8246

Apparatus for Joining, in Particular Laser Welding, two Components, and Operating Method for such a Joining Apparatus

An apparatus for joining, in particular laser welding, two components, in particular plastics components, comprisestwo workpiece receptacles (1, 3) for respectively holding the two components (2, 4) to be connected, in each case one bearing element, preferably a bearing plate (7), for each of the workpiece receptacles (1, 3), a clamping drive (SA) for at least one bearing element for feeding and bracing of the two components (2, 4) held in the workpiece receptacles (1, 3) during the joining process, a controller (9) for the clamping drive (SA) and in particular a laser welding device (LS), anda mechanically loose coupling between the clamping drive (SA) and bearing element (7) such that the two workpiece receptacles (1, 3) are tiltable towards one another during feeding and bracing. Also disclosed is a method for operating such a joining apparatus during a joining process of two components (2, 4) held in the workpiece receptacles (1, 3), in particular during a laser welding process.

METHOD FOR TESTING THE FUNCTION OF A TUBULAR BAG MACHINE
20210078745 · 2021-03-18 ·

The invention relates to a method for testing the function of a tubular bag machine, the tubular bag machine comprising a drive control system and multiple electronic drive units which are controlled independently of each other by the drive control system and which drive different functional elements of the packing machine in a cycle time-synchronous manner as they are going through predefined motion sequences, and one drive unit being realized in the manner of a transverse sealing unit, and the transverse sealing unit comprising at least one drive motor (02) and two transverse sealing jaws (13a, 13b) which are driven relative to each other by the drive motor (02) and by means of which a film tube (09) is sealed transversely to the conveying direction (21), and the drive torque (M) of the drive motor (02) being measured directly or indirectly using a drive controller, and the position () of the drive motor (02) being measured directly or indirectly using a position sensor, the method comprising the following steps: a) removing the film tube (09) from the sealing zone between the transverse sealing jaws (13a, 13b); b) closing the transverse sealing jaws (13a, 13b) according to a predefined target torque stored in the drive control system; c) measuring the actual position of the drive motor (02) once the target torque has been reached; d) comparing the measured actual position to a target position stored in the drive control system and associated with the predefined target torque.

Apparatus for fabricating an elastic nonwoven material

An apparatus for fabricating an elastic nonwoven material generally includes a first bonding module and a second bonding module. The second bonding module is positionable in close proximity to the first bonding module. At least one of the first bonding module and the second bonding module has a face with a width dimension and a circumferential axis and is rotatable about a rotation axis. The face has a plurality of ridges. The ridges are positioned such that at least two adjacent ridges overlap along the circumferential axis.

SYSTEMS AND METHODS FOR MULTI-STAGE SEALING OF CONTACT LENS PACKAGING
20200377246 · 2020-12-03 ·

A contact lens package includes a first package layer, a second package layer, a lens receiving area defined between the first and second package layers, and first and second seal portions. The first seal portion extends around a first portion of the lens receiving area. The second seal portion extends around a second portion of the lens receiving area. The second seal portion has different sealing properties than the first seal portion. The first seal portion may include a releasable seal between the first and second package layers, and the second seal portion may include a permanent seal between the first and second package layers.

BAG-MAKING AND PACKAGING MACHINE
20200353698 · 2020-11-12 ·

A bag-making and packaging machine, that makes bags by forming a conveyed film into a cylindrical film and putting product inside the cylindrical film, is disclosed. The bag-making and packaging machine includes a pair of ultrasonic sealing members, a cutting member, and clamps. The pair of ultrasonic sealing members are configured to sandwich the cylindrical film along a direction intersecting a conveyance direction and perform transverse sealing. The cutting member is configured to move between the pair of sealing members and cut transversely sealed portions of bags that have been made. The clamps are provided under the pair of sealing members and the cutting member. The clamps are configured to restrain the bags when the transversely sealed portions are cut.

PACKAGING SYSTEM AND SEAL JAW FOR PACKAGING FILM
20200331648 · 2020-10-22 ·

A packaging system for film including: a controller; and a seal jaw controlled by the controller, wherein the seal jaw includes: a first sealing bar; a second sealing bar; a servo motor controlling movement of at least one of the first and the second sealing bars between an open position and a closed position, where the sealing bars are in contact; and a pneumatic cylinder, connected with at least one of the first and second sealing bars, and controlling a pressure between the sealing bars when in the closed position. A method of creating a seal in packaging film, the method including: moving, via a servo motor, a first sealing bar and a second sealing bar from an open position to a closed position; and upon reaching the closed position, clamping, via a pneumatic cylinder, the sealing bars to create a seal in the packaging film.

Ultrasonic welding systems and methods using dual, synchronized horns on opposite sides of parts to be joined

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.

Apparatus and method for cutting and/or crimping wrapping material
10800564 · 2020-10-13 · ·

A cutting, or crimping, apparatus having first and second opposed jaw members which are mounted on a frame and are movable relative to each other from a first axial position to a second axial position along an axis so as to respectively cut, or crimp, wrapping material extending between adjacent articles wherein at least one of the jaw members is rotatably mounted to the frame such that it is rotatable from a first rotational position to a second rotational position, in the first rotational position the jaw members are movable relative to each other along a first said axis and in the second rotational position the jaw members are movable relative to each other along a second said axis that is inclined relative to the first axis.

Bag making and packaging machine
10800555 · 2020-10-13 · ·

Provided is a bag making and packaging machine capable of accurately detecting, with a simple configuration, the timing at which an article that is dropped and supplied from an article supply device disposed above the bag making and packaging machine, will arrive at a lateral sealing mechanism. A bag making and packaging machine receives articles dropped and supplied from a combination weighing machine disposed above the bag making and packaging machine and packages the articles in a bag to be made. The bag making and packaging machine includes a lateral sealing mechanism, a servo motor, and a falling time detector. The lateral sealing mechanism laterally seals a packaging material of a cylindrical shape. The servo motor drives the lateral sealing mechanism.

Sealing station for sealing of film bags and corresponding method
10793306 · 2020-10-06 · ·

The invention relates to a sealing station in a film bag filling device for sealing of film bags after a filling process, wherein the sealing station comprises a first and a second sealing arm for sealing of several filled film bags that are arranged next to one another, wherein the first sealing arm is moveable with a first drive shaft and the second sealing arm with a second drive shaft. A servo engine is disposed on the first drive shaft, and a drive movement of the first drive shaft from a first gear wheel is transferred to a second gear wheel that encroaches in the first gear wheel and from the second gear wheel to the second drive shaft. The invention further relates to a method for sealing of film bags after a filling process with the sealing station according to the invention with the following steps: positioning of filled film bags below the sealing station; closing of the sealing arms and application of a contact pressure with a first value and sealing of the filled film bags.