An optical wheel assembly for a laser transmission welding apparatus includes a double-convex optical lens having two spherical surfaces that are joined by a polished side surface extending circumferentially around the lens. Each of the two spherical surfaces has a known spherical diameter. The optical lens is disposed between a pair of dish cup holders, each having a spherical concave surface with the known spherical diameter and engaging the spherical surfaces of the lens. Each dish cup holder has an axial projection extending away from a side of the dish cup holder that is opposite the spherical concave surface. The axial projections are received within respective bearings that are mounted within a housing. The bearings allow the dish cup holders and the optical lens to rotate while pressure is being applied to plastic workpieces during laser transmission welding thereof.

A device for joining material by anchoring an insert comprising a first material in a structure comprising a second material is provided. The first material is solid and comprises thermoplastic properties and the second material is solid and is penetrable by the first material when in a liquefied state. The device comprises a vibration device being configured to transmit vibrations to said insert to cause at least partial liquefaction thereof and being arranged to move, relative to said structure, along an insertion direction (ID) to insert said insert at least partly into said structure, a contact sensor being connected to the vibration device and being adapted to move together with the vibration device along the insertion direction (ID), the contact sensor having a sensor body being adapted to detect contact with said structure. A controller is further connected to the contact sensor and adapted for receiving a contact signal from the contact sensor indicating that the sensor body has come into contact with said structure.

A head seal device of a bag making apparatus includes a pair of seal units configured to face each other in a facing direction. Each of the seal units includes a heat seal member and a heater. The heat seal device includes an adjustment unit configured to move the first seal unit in a width direction of continuous sheet panels, and to move the second seal unit in the width direction of the sheet panels in accordance with movement of the first seal unit in the width direction.

A welding device (10a; 10b) for welding an outlet element (12a; 12b) to a packaging material (14a; 14b) has at least one anvil (16a; 16b) comprising at least one receiving region (18a; 18b) for receiving the outlet element (12a; 12b) that is to be welded, has a holding element (20a; 20b) which the anvil (16a; 16b) is arranged on, and at least one welding die (22a; 22b), in particular a sonotrode, which is configured to interact with the anvil (16a; 16b) for a welding of the outlet element (12a; 12b) to the packaging material (14a; 14b), wherein the welding device (10a; 10b) comprises at least one support unit (24a; 24b) for supporting the anvil (16a; 16b), comprising at least one movably supported support element (26a; 26b), which is configured to exert a holding force onto the anvil (16a; 16b) in a welding operation state of the welding die (22a; 22b).

A pressing device for a laser welding apparatus includes an arm member with opposite mounting and pressing ends. A pressing pad at the pressing end has an opening for allowing a laser beam to irradiate a workpiece assembly that is being pressed by the pressing device. The mounting end has a mounting structure for detachably securing the pressing device to the laser welding apparatus. The arm member is shaped to position the opening at a known fixed distance from a laser source of the laser welding apparatus. The pressing pad has a pressing surface on a workpiece-facing side thereof for applying a joining force to the workpiece assembly at a welding location. At least one of the size, shape and smoothness of the pressing surface allows a sliding-contact movement of the pressing surface along a surface of the workpiece assembly during application of the pressing force.

A tape layup apparatus whereby the tape layup performance on a surface to be laid up can be enhanced is provided, the tape layup apparatus being an ATL apparatus 10 having an ATL head 20 for laying up with pressing a tape 1 on a laid-up surface 2a, the ATL head 20 equipped with a pressing part 30 to press the tape 1 on the laid-up surface 2a and a parallel linkage 40 to operate in a manner that allows a pressing position and/or a pressing attitude of the pressing part 30 to follow a form of the laid-up surface 2a.

A tube seal apparatus including a sealing iron having a tube sealing end, an insulating shroud having a tube clamping end, wherein the sealing iron is at least partially disposed within the insulating shroud. The apparatus further includes an anvil having a cutting detail and a non-stick membrane disposed between the anvil and the tube clamping end of the insulating shroud. The sealing iron and insulating shroud are configured to advance towards a tube to be sealed positioned between the non-stick membrane and the anvil. The tube clamping end is configured to clamp the tube through the non-stick membrane. The sealing iron is configured to advance towards the tube to melt and seal the tube against the cutting detail through the non-stick membrane.

A method for manufacturing a metal-resin joint 30 according to the present disclosure is a method for manufacturing the metal-resin joint 30 in which a synthetic resin member 10 made of thermoplastic resin and a metal member 20 made of metal are bonded to each other, the method including: a first process of exposing a surface 12 of the synthetic resin member 10 molded into a predetermined shape, to air heated to a first temperature T1 equal to or higher than a deflection temperature under load Tf of the thermoplastic resin when a load of 1.8 MPa is applied; and a second process of bonding the surface 12 of the synthetic resin member 10 and a surface 22 of the metal member 20 to each other. Accordingly, it is possible to improve the bonding strength between the metal member 20 and the synthetic resin member 10.

A method of anchoring a connector in a heterogeneous first object that includes a first building layer and, distally of the first building layer, an interlining layer. The method includes providing the first object and the connector, which includes thermoplastic material in a solid state; contacting the connector with the first building layer; applying a first mechanical pressing force to the connector until the first building layer is pierced by the connector and a distal portion of the connector reaches into the interlining layer; applying a second mechanical pressing force and mechanical vibration to the connector until a flow portion of the thermoplastic material is flowable and penetrates structures of the first object, and a distally facing abutment face of the head portion abuts against the metal profile in a region next to the opening; and letting the thermoplastic material resolidify to yield a positive-fit connection.

A stitchless highly oriented polypropylene fabric bulk bag of the type that can hold 500 to 5000 pounds (226.7 to 2268 kilograms) of bulk material includes a highly oriented polypropylene fabric top, body and bottom, with a heat fused joint providing an air tight connection between the top and body, and another air tight heat fused joint connecting the body and bottom. A fill spout and discharge tube may also be provided with an air tight heat fused joint connecting the fill spout to the top and another air tight heat fused joint connecting the discharge spout to the bottom. Heat sealing machinery include heat seal bar assemblies that can self-align during heat-sealing to apply even pressure to all areas being heat sealed. A heating element is of single piece construction and can include end coupler portions as part of the single piece construction. Carrier plates used in a heat-sealing assembly line guide parts placement, provide quality checks for parts placement, and tooling set-up for machinery.