There is described a sealing device for sealing packages filled with a pourable product within a packaging machine. The sealing device has at least one sonotrode comprising at least a sonotrode head and a vibration control unit connected to the sonotrode head and configured to actuate ultrasonic vibrations of the sonotrode head. The vibration control unit comprises one or more piezoelectric transducer devices configured to generate ultrasonic vibrations to be coupled into the sonotrode head and one or more temperature sensors configured to measure the temperature of the one or more piezoelectric transducer devices for determining and/or monitoring respective operating states of the one or more piezoelectric transducer devices.

A fiber reinforced composite material structure comprises a thin sheet that includes a first surface and a plurality of convex portions which protrude and are regularly arranged on the first surface and each of which includes a top face; and a surface material that includes a second surface and is bonded to the top faces on the second surface.

A method and apparatus for sealing a plastic enclosure is provided. The apparatus includes a handle including elements pivotally coupled together at a first end. The apparatus also includes a heating element positioned along an inner surface of an element and connected to a power source where a longitudinal axis of the heating element is oriented parallel with a longitudinal axis of the element. Plastic material including first and second plastic layers is positioned at an interface between the second elements. Upon pivoting the first elements from an open position to a closed position the heating element increases a temperature at the interface to melt the plastic material and form a seal between the first and second plastic layers.

An ultrasonic sealing device, including a horn having a sealing surface, an anvil having a sealing surface, at least one of the horn and the anvil being moveable to engage the respective sealing surfaces, the sealing surfaces of the horn and the anvil including a plurality of protrusions and a recess between each of the protrusions, each of the protrusions having a distal surface and sloped sidewalls with curved edges therebetween and each of the recesses including a recess surface with curved edges, wherein, upon engagement of the sealing surface of the horn with the sealing surface of the anvil, the distal surfaces of each of the protrusions on each of the sealing surfaces engage corresponding ones of the recess surfaces of each of the recesses on each of the sealing surfaces and define gaps between the sidewalls of each adjacent protrusion.

Strap welding system and method for welding two ends or sections of a strap around a bundle of articles or around a pressed bale. The strap welding system has a weld assembly for frictionally welding two ends of a plastic strap around a pressed bale. The weld assembly has a weld head with an upper weld jaw and a lower weld jaw, and wherein the lower weld jaw is supported, directly or indirectly, by a spring. A connecting piece for moving the lower weld jaw can optionally have a section with a connecting spring.

A card substrate laminating device includes a transfer ribbon and a transfer roller. The transfer ribbon includes a carrier layer and a transfer layer attached to the carrier layer. The transfer roller is configured to heat and transfer a portion of the transfer layer from the carrier layer to a surface of a card substrate. The transfer roller has a circumference that is less than one-half of a length of the card substrate.

An energy system for applying energy to a workpiece includes a first energy application device, mounted such that the first energy application device has a fixed position relative to the workpiece during energy application; a second energy application device, mounted such that the second energy application device has a moveable position relative to the workpiece to apply energy to the workpiece at a point moving progressively across the workpiece, wherein one of the first and second energy application devices is an anvil and the other of the first and second energy application devices is an ultrasonic bonder; and a controller for regulating the application of energy to the workpiece, wherein the controller is configured to adjust progressively across the workpiece one or more of bonder vibration amplitude versus position on the workpiece, bonder pressure versus position on the workpiece, and horn travel velocity versus position on the workpiece.

Provided is a device and method for butt-splicing strip members for tire components, having a first clamp and a second clamp arranged for clamping a first end of a first strip member and a second end of a second strip member, respectively, wherein at least one of the first clamp and the second clamp is movable along a butt-splice direction into a butt-splicing position opposite to the other of the first clamp and the second clamp for butt-splicing the ends, wherein the first clamp includes a first upper clamp member and a first lower clamp member, wherein the second clamp includes a second upper clamp member and a second lower clamp member, wherein the first lower clamp member projects beyond the first upper clamp member over a first overlap distance and wherein the second upper clamp member projects beyond the second lower clamp member over a second overlap distance.

There is a method for producing a ply involved in the construction of a multi-ply panel for constructing or adding to a wall, floor or ceiling, or a sloping part for a building. The ply includes a juxtaposition of strips, either structural strips or filling strips, positioned between the structural strips and made of a different material from that of the structural strips. The materials are selected for the thermal or acoustic insulation thereof, the thermal inertia thereof or the fire rsistance thereof. Each lateral movement of a ply being produced with respect to the assembly plane is carried out by the synchronized movement of a table with which the lower face of the ply is in contact and a driver with which the upper face of the ply is in contact. There is an installation for implementing the method according to the invention.

A packaging machine comprising a transversal sealing unit (20) of bags, substantially consisting of a plate support (21) which comprises a series of additional supports and kinematic organs for the horizontal and vertical activation of grippers (22, 23), one internal and the other external, for the sealing and cutting of each bag, said machine comprising motors (25, 26), mounted on a fixed support (24), which cause the vertical movement of a main carriage (29) and of a gripper carriage (30) by means respectively of a screw shaft (27) and a screw shaft (28), said main carriage (29) supporting two pairs of horizontal and sliding parallel arms (33, 34), the internal first of which control the horizontal movement of the internal grippers (22) and the second control the horizontal movement of the external grippers (23), while the vertical movement of the grippers to follow the moving bag is achieved by the vertical movement of the main carriage (29).