B29C66/53461

LASER WELDED BODY

Provided is a laser welded body which can be integrated through a laser-welding step without undergoing complicated steps even through use of the same or difference resin members each other, which has excellent welding strength between the resin members, which maintains the characteristics of a resin contained in the resin member and which exhibits the high welding strength by improving meltability of the resin members yet under a laser-welding condition of a medium and high scan speed.

A laser welded body comprises a resin member(s) which contains a thermoplastic resin and nigrosine sulfate having a sulfate ion concentration of 0.3 to 5.0% by mass and has an absorbance a of 0.09 to 0.9, an adjoined part where the resin member(s) is overlapped and/or butted, and at least a part of the adjoined part is laser-welded.

PAPER-BASED COMPOSITE CONTAINER FOR OFF-GASSING PRODUCTS, AND METHOD FOR MAKING SAME
20210101712 · 2021-04-08 ·

A paper-based composite container for an off-gassing product includes a paperboard can body having a substantially gas-impervious liner attached to an inner surface thereof, and a pair of substantially paper-based end closures attached to the opposite ends of the can body, each end closure defining a generally cylindrical sealing panel in contact with an inner surface of the can body. Heat-sealable materials are disposed on opposing surfaces of the sealing panel and can body. The sealing panels of the end closures are attached to the can body by heat seals. The heat seal for at least one of the end closures is discontinuous such that at least one vent channel extends through the heat seal to establish fluid communication between an interior of the container and the environment outside the container. The at least one vent channel is operable to vent excess gas pressure from the interior of the container.

Tube Sealer
20210114313 · 2021-04-22 ·

A device for sealing sample tubes comprises a tool assembly configured to interface with a rack holding a plurality of sample storage tubes, the tool assembly holding a plurality of punches and a die plate including a plurality of cutting holes, with each of the plurality of cutting holes accepting one of the plurality of punches. The tool assembly receives a foil sheet between the punches and the die plate. The device includes an actuator enabling linear movement of the tool assembly. Linear movement of the tool assembly towards the rack engages the die plate against the rack and punches the punches through the cutting holes of the die plate to punch a plurality of sealing sections from the foil sheet and to press and seal each of the sealing sections against a top end of each of the plurality of sample storage tubes in the rack.

TRAY SEALER AND OPERATING METHOD
20210122505 · 2021-04-29 ·

An apparatus and a process can be used for packaging a product wherein a plastic film is tightly applied to a support. The plastic film is positioned above the support by means of a transport system; moreover, a stop structure or plate is active on the film portion present in the packaging station to efficiently hold the same.

APPARATUS AND PROCESS FOR PACKAGING PRODUCTS
20210122513 · 2021-04-29 ·

The present invention refers to an apparatus and process for packaging a product wherein a plastic film is tightly applied to a support. The plastic film is positioned above the support by means of a transport system; moreover, a stop structure or plate is active on the film portion present in the packaging station for enabling to efficiently hold the same.

UNIT FOR BONDING A CONTAINER, ESPECIALLY A PRESSURISED BEVERAGE CONTAINER, WITH THE LID, AND A PREFORM FOR PRODUCING THE CONTAINER
20210139203 · 2021-05-13 ·

A unit for bonding the container with the lid, made of plastic, designated especially for pressurised beverages, having a profiled rim of the container opening and a profiled rim of the lid, characterised in that the profiled rim of the opening (2) of the container (1) comprises a flange (3) formed around the said opening (2), extending outwards away from the side wall of the container, where the flange (3) has a top surface (4), side surface (5) and bottom surface (6) bonded to the external side surface of the container (1), and where formed on the top surface (4) around the opening (2) of the container (1) there is a rib (7) protruding above the surface (4), while the profiled rim of the lid (8) comprises a groove (9) formed on the bottom surface (10) of the lid (8) around its bottom edge, the groove (9) accommodating the said rib (7) which supports the lid (8) without touching on the top surface (4) of the flange (3), where there is an energy director (12, 13) formed on the bottom of the groove (9) or the top surface of the rib (7), which focuses ultrasonic energy in the process of ultrasonic welding of the rib (7) and the lid (8).

VACUUM ADIABATIC BODY AND METHOD FOR MANUFACTURING THE SAME
20230408177 · 2023-12-21 ·

A method for manufacturing a vacuum adiabatic body according to an embodiment may include a vacuum adiabatic body component preparation process of manufacturing components applied to a vacuum adiabatic body. Optionally, the method may include a vacuum adiabatic body component assembly process of assembling the components. Optionally, the method may include a vacuum adiabatic body component sealing process of sealing an outer wall of a vacuum space to block the vacuum space from the external space. Optionally, the method may include a vacuum exhaust process for a vacuum adiabatic body, in which internal air of a vacuum space is discharged. Optionally, the method may include a device assembling process of providing a device using the vacuum adiabatic body.

Apparatus and process for packaging a product
10926904 · 2021-02-23 · ·

A process for packaging a product arranged on a support comprising unrolling a film, moving the film to a packaging assembly defining at its inside a packaging chamber, progressively moving a number of supports inside the packaging chamber of the packaging assembly, closing the packaging chamber with the film sheets held above the respective support, optionally causing one or both of: a gas withdrawal from the hermetically closed packaging chamber and gas injection of a gas mixture of controlled composition, heat sealing the film to said support, wherein the heat sealing uses one or more heaters having heating surfaces which are heated for discrete and short time periods only. An apparatus for performing the above process is also disclosed.

Machine for sealing containers and method for sealing a plurality of containers
10926899 · 2021-02-23 · ·

This disclosure relates to a machine (1) for sealing containers (91) using a film (95). The machine (1) comprises a first jaw member (21), comprising a plurality of seats (20) for respective containers (91) to be sealed, and a second jaw member (22), facing towards the seats (20) of the first jaw member (21). The first jaw member (21) and the second jaw member (22) are movable one relative to the other between a first condition, in which the two jaw members (21, 22) are separated from each other by an interspace (23) suitable for receiving a film (95), and a second condition, in which the two jaw members (21, 22) are clamped together and, in use, press the film (95) against the containers (91) in the seats (20). The seats (20) are side by side one after another along a longitudinal line (200) extending between a first side (231) and a second side (232) of the interspace (23). The machine also comprises a film feeding device (3) facing towards the first side (231) of the interspace (23), and a positioning apparatus for positioning the film (95) in the interspace (23). The film (95) positioning apparatus comprises a first gripping device (4), which is positioned at the second side (232) of the interspace (23), and a second gripping device (5), that is movable parallel to the longitudinal line (200) between a first position close to the film feeding device (3) and a second position close to the first gripping device (4). The second gripping device (5) in the first position is capable of gripping one edge of the film (95) which projects from the film feeding device (3) and is capable of pulling the gripped film (95) with a movement towards the second position, thereby positioning the film (95) in the interspace (23) at said plurality of seats (20). The first gripping device (4) is capable of gripping the edge of the film (95) positioned by the second gripping device (5). This disclosure relates also to a method for sealing a plurality of containers (91).

CONTROL SYSTEM AND METHOD FOR COINJECTION MOLDING MULTI-LAYER CONTAINERS

A system for coinjection molding a multi-layer container includes an injection molding apparatus, a camera, and a controller. The injection molding apparatus is configured to coinject a plurality of polymeric materials into a mold cavity to form a multi-layer container including an inner layer, an outer layer, and a barrier layer located between the inner layer and the outer layer. The camera is configured to capture an image indicating a location of the barrier layer within the multi-layer container. The controller is configured to monitor the location of the barrier layer using the image captured by the camera, compare the location of the barrier layer to a threshold location, and provide a control signal to the injection molding apparatus based on the location of the barrier layer relative to the threshold location.