A disclosed heater for a sealing process of a secondary battery includes: a sealing bar heating and pressing a pouch foil to be sealed; a plurality of sub-heating unit longitudinally disposed inside the sealing bar to respectively independently supply heat to a plurality of sections separated in the longitudinal direction of the sealing bar; temperature sensing units disposed inside the sealing bar and sensing temperature at positions on the surfaces being in contact with the pouch foil; and a control unit controlling heating temperature of the plurality of sub-heating units on the basis of the temperature sensed by the temperature sensing units.

An example system comprises a water-soluble unit dose article comprising a fibrous non-woven sheet shaped to form a sealed internal compartment and a granular laundry detergent comprised within the internal compartment. The sheet comprises fibres which comprise polyvinyl alcohol polymer. The granular laundry detergent comprises perfume particles. The system also comprises sealing jaws, whereby at least one of the sealing jaws is a heated sealing jaw. A top seal of the internal compartment is sandwiched between the jaws. A first of said jaws comprises a flat portion along a longitudinal direction of the seal. The flat portion has a flat portion width along a direction perpendicular to the longitudinal direction of the seal. The flat portion width has a dimension of more than 3 times and of less than 20 times a thickness of the water-soluble fibrous non-woven sheet.

An example system comprises a water-soluble unit dose article comprising a fibrous non-woven sheet shaped to form a sealed internal compartment and a granular laundry detergent comprised within the internal compartment. The sheet comprises fibres which comprise polyvinyl alcohol polymer. The granular laundry detergent comprises perfume particles. The system also comprises sealing jaws, whereby at least one of the sealing jaws is a heated sealing jaw. A top seal of the internal compartment is sandwiched between the jaws. A first of said jaws comprises a protruding portion along a longitudinal direction of the seal. The protruding portion has a base along a direction perpendicular to the longitudinal direction of the seal. The base has a dimension of more than 3 times and of less than 20 times a thickness of the water-soluble fibrous non-woven sheet.

A method of setting up a joining device for joining a cover lens to a housing of a vehicle lighting device. The joining device features a mounting fixture and a robot with a suction head, The method features at least the following steps: inserting a housing into the mounting fixture and a cover lens into the suction head; transferring the suction head to an initial joining pose; joining the cover lens to the housing with the suction head in the initial joining pose; measuring the pose of the cover lens relative to a reference-point system, which comprises reference points on the surface of the housing and/or the cover lens; determining a set of translations and/or rotations, which transfer the cover lens to an optimal pose with minimal deviations from a target pose; and correcting the initial joining pose of the suction head with the determined set of translations and/or rotations.

A method of manufacturing a core stiffened structure includes orienting the plurality of core wafers in a non-uniform pattern onto a first face sheet, the non-uniform pattern producing non-uniform spacing between adjacent core wafers; assembling a second face sheet onto the plurality of wafers; and curing an adhesive to create a bond between the plurality of wafers, the first face sheet, and the second face sheet.

A sonotrode for an ultrasonic welding apparatus, having a lower portion of length u and an upper portion of length o, the upper portion and the lower portion adjacent on a longitudinal axis of the sonotrode, and the total length of the sonotrode in the direction of the longitudinal axis being u+o, the lower portion having a sealing surface oriented perpendicular to the longitudinal axis, the sealing surface contacting a material to be processed. The lower portion has a slot, wherein the slot extends from the sealing surface to a side of the lower portion opposing the sealing surface, such that the lower portion of the sonotrode is divided into a plurality of segments which lie adjacent each other in a direction perpendicular to the longitudinal axis.

An example system comprises a water-soluble unit dose article comprising a fibrous non-woven sheet shaped to form a sealed internal compartment and a granular laundry detergent comprised within the internal compartment. The sheet comprises fibres which comprise polyvinyl alcohol polymer. The granular laundry detergent comprises perfume particles. The system also comprises sealing jaws, whereby at least one of the sealing jaws is a heated sealing jaw. A top seal of the internal compartment is sandwiched between the jaws. A first of said jaws comprises a protruding portion along a longitudinal direction of the seal. The protruding portion has a base along a direction perpendicular to the longitudinal direction of the seal. The base has a dimension of more than 3 times and of less than 20 times a thickness of the water-soluble fibrous non-woven sheet.