B29C65/1654

Pants-type wearing article and production method for same
09808379 · 2017-11-07 · ·

A pull-on garment (1) includes an outer cover (3) forming an outer surface of the garment, both lateral side edge portions of the outer cover in a front body portion F and both lateral side edge portions of the outer cover in a back body portion R being joined to each other to form a pair of side seals (4), a waist opening (8), and a pair of leg openings (9). Each of the side seals (4) includes a seal edge portion (41) where the edge portion (3F) of the outer cover (3) in the front body portion F and the edge portion of the outer cover (3) in the back body portion R are bonded to each other by a continuous linear fusion-bonded portion (40) extending in a longitudinal direction of the side seal (4). In a cross-section orthogonal to a direction in which the side seal (4) extends, the fusion-bonded portion (40) includes a narrow section (4F) which is formed at a middle portion thereof in the thickness direction Q and of which a width W along the inner-to-outer direction P is small. The narrow section (4F) includes broad sections (4A, 4B) which are provided on both sides of the narrow section (4F) in the thickness direction Q and of which the width W is larger than the width of the narrow section (4F).

OPTICAL WHEEL ASSEMBLY FOR A LASER TRANSMISSION WELDING APPARATUS
20220227063 · 2022-07-21 · ·

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.

MULTILAYER FLUIDIC DEVICES AND METHODS FOR THEIR FABRICATION
20210379585 · 2021-12-09 ·

A method of making a flowcell includes bonding a first surface of an organic solid support to a surface of a first inorganic solid support via a first bonding layer, wherein the organic solid support includes a plurality of elongated cutouts. The method further includes bonding a surface of a second inorganic solid support to a second surface of the organic solid support via a second bonding layer, so as to form the flowcell. The formed flowcell includes a plurality of channels defined by the surface of the first inorganic solid support, the surface of the second inorganic solid support, and walls of the elongated cutouts.

ELECTRIC VALVE
20220196172 · 2022-06-23 ·

An electric valve can be further miniaturized while reducing the number of manufacturing man-hours. The electric valve contains: a motor including a stator member and a rotor member that displace a valve body, and a housing for accommodating the motor. The housing is formed by joining a heat generation portion formed of a first material to a heat receiving portion formed of a second material. The light transmittance in the first material is lower than the light transmittance in the second material.

METHOD AND APPARATUS FOR APPLYING AN ACTIVE JOINING FORCE DURING LASER WELDING OF OVERLAPPING WORKPIECES
20220184737 · 2022-06-16 · ·

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.

Method for forming a laser-welded connection and composite component
11351629 · 2022-06-07 · ·

The invention relates to a method for forming a laser-welded connection, in which two parts to be joined (11; 11a, 12; 12a) are connected to one another under the effect of a laser beam (1) in a joining region (30; 30a) to form a weld (2), wherein one part to be joined (11; 11a) consists of a material transparent to laser radiation and the other part to be joined (12; 12a) consists of a material absorbent to laser radiation, and wherein the two parts to be joined (11; 11a, 12; 12a) form a receptacle (25; 25a; 25b) for a component (13; 13a; 13b; 14) separate from the parts to be joined (11; 11a, 12; 12a).

Laser welding apparatus and laser processing device

A first resin member including a first contact surface and formed of laser beam-transmissive resin and a second resin member including a second contact surface, which contacts the first contact surface, and formed of laser beam-absorbing resin are arranged one upon the other. A laser welding apparatus includes a clamping unit abutting the second resin member and applying clamping force to the second resin member, a laser emitter emitting laser beam, a laser controller controlling output of the laser beam, a displacement sensor measuring displacement of the second contact surface in stacking direction of the resin members, and a control unit controlling the clamping unit to adjust the clamping force corresponding to displacement amount of the second contact surface continuously or intermittently obtained from the displacement sensor.

Laser joining method and laser joining device for fusing workpieces

A laser joining method and device includes a pressure-applying clamping device, which presses a first and a second workpiece against one another at least after the workpieces have been locally plasticized, and a mask having mask structures, which allow laser light to pass only in the region of the bonding contact faces, wherein at least the workpiece facing the laser source is formed by a three-dimensional molded part, which is not planar at least on the first contour side facing the clamping element and/or on the second contour side facing the second workpiece, and wherein the clamping element, with the bearing side thereof for the first workpiece, is adapted to the first contour side of the first workpiece. The mask structures are created on the bearing side of the clamping element facing the first workpiece or on the second contour side of the first workpiece facing the second workpiece.

Production of an Apparatus for Sensing Surroundings for a Motor Vehicle
20230375670 · 2023-11-23 ·

An apparatus for sensing surroundings of a motor vehicle includes a laser sensing device for sensing surroundings of the motor vehicle, a mount which is fixedly connected to the sensing device and is designed to attach the sensing device to a body of the motor vehicle, and an outer skin component. The mount and the outer skin component each have an end face which faces the other end face. A method is provided for producing a surroundings sensing apparatus by use of laser transmission welding.

METHOD OF BONDING SUBSTRATES AND SEPARATING A PORTION OF THE BONDED SUBSTRATES THROUGH THE BOND, SUCH AS TO MANUFACTURE AN ARRAY OF LIQUID LENSES AND SEPARATE THE ARRAY INTO INDIVIDUAL LIQUID LENSES
20220289615 · 2022-09-15 ·

A method of forming a bond between substrates and manipulating the bond comprises: emitting a first laser energy onto a strip of an absorption material disposed between a first substrate and a second substrate until the strip diffuses into the first substrate and the second substrate resulting in workpiece with a bond between the first substrate and the second substrate; emitting a second laser energy through the workpiece at the bond to create a fault line through the bond, the first substrate, and the second substrate, the second laser energy provided by an approximated Bessel beam, the approximated Bessel beam incident upon the bond having a diameter that is greater than a width of the bond; and repeating emitting the second laser energy step along a length of the bond to create a series of fault lines through the bond, the series of fault lines forming a contour.