B29C66/81465

Method, device and work station for applying protective sheeting of polymer material to a pipeline, and computer program for implementing such a method
10889041 · 2021-01-12 · ·

A method of applying protective sheeting of polymer material to a pipeline, such as on a J-lay rig, includes the steps of driving a carriage along an annular path about the pipeline; extruding and simultaneously winding the protective sheeting about the pipeline via an end extrusion die fitted to the carriage; compressing the protective sheeting on the pipeline, directly downstream from the end extrusion die, so the protective sheeting adheres to the pipeline; and controlling the drive, extrusion, and compression steps so that the time lapse between expulsion of a cross section of protective sheeting from the end extrusion die and compression of the same cross section of protective sheeting is less than one second.

APPARATUS AND METHODS FOR SECURING ELASTIC TO A CARRIER WEB

Apparatus and methods are provided to allow for creation of an elastic laminate. Non-stretched elastic can be laid at peaks over a nonwoven layer contained in valleys and atop peaks. Stretched elastic can be laid over tented nonwoven to create nonwoven tunnels when a second nonwoven is laid atop the first nonwoven and elastic, and the tunnels resist un-stretching of stretched elastic strands by frictional or obstruction forces. An elastic assembly or structure comprising a first and second layer of material bonded at spaced apart bond sites is disclosed, with a plurality of elastic strands disposed in a non-linear manner between said first and second layer of material, so that said strands meander in a cross-machine direction and traverse a machine direction line, restraining movement of the strands by frictional forces between the strands and the non-woven layers.

HIGH-SPEED POLYMER-TO-METAL DIRECT JOINING SYSTEM AND METHOD
20200368976 · 2020-11-26 ·

A method of directly joining a polymer to a metal along a joint interface through the formation of CO-M chemical bonds, where M represents an element in the metal to be joined. The method includes heating the metal to a predetermined temperature above a glass transition temperature of the polymer and less than a flash ignition temperature of the polymer and less than a metal melting temperature of the metal; physically contacting at least one of the metal and the polymer; and applying compression pressure to the joint interface of the metal and the polymer when the metal is above the glass transition temperature of the polymer and less than the flash ignition temperature of the polymer and less than the metal melting temperature of the metal to generate intimate atomic contact between the metal and the polymer to create CO-M chemical bonds between the metal and the polymer.

Device for sealing a packaging

The present invention relates to a device for sealing a packaging material (10), comprising at least one sealing installation (18) which comprises at least one coil core (24) which is surrounded by at least one coil (25), wherein the coil core (24) has at least one gap (32) through which packaging material peripheries (34, 36) to be sealed are guided, wherein at least one element (23) that conducts a magnetic flux is provided, said element (23) for influencing a region (22) of the packaging material peripheries (34, 36) to be heated being disposed so as to be adjacent to the packaging material peripheries (34, 36) to be sealed.

Apparatus and method for making side seams on absorbent articles

The present disclosure relates to methods and apparatuses configured to bond elastic laminates together between a rotating drum and anvil. The drum includes a fluid nozzle and a press member. As such, a first elastic laminate and a second elastics laminate may be advanced in a machine direction onto the rotating drum. A fluid is heated to a temperature sufficient to partially melt substrate layers of the first and second elastic laminates. As the drum rotates, the press member shifts radially outward from the drum wherein a length, L, of the pattern surface extends in the cross direction across a plurality of elastic strands of first and/or second elastic laminates. And the partially melted portion of the substrate layers of the first and second elastic laminates and the plurality of elastic strands are then bonded together by being compressed between the pattern surface and the anvil roll.

System for checking package body with image
10839501 · 2020-11-17 · ·

A system for checking a package body with an image is capable of automatically judging good or bad product of manufactured package bodies and automatically performing change of production conditions in a filling and packaging machine, and includes a filling and packaging machine, an image data judgement system, a storage device and an image data analysis system, wherein the image data judgement system is provided with an imaging device for shooting a package body, a storage unit for storing judgement condition on good or bad package body, a judgement unit for judging good or bad package body and an image data transmission unit for transmitting the image data shot by the imaging device to the storage device, and the image data analysis system is provided with an image data acquisition unit for acquiring image data and so on judged as a bad product in the judgement unit from the storage device.

Apparatus for capping a container

An apparatus for capping a container (10) comprises: a conveying device for conveying the container (10) along a path; an applying head (23) for applying a lid (1) onto a neck (9) included in an opening device of the container (10); a welding head (43) arranged downstream of the applying head (23), the welding head (43) comprising a welding element (51) for welding the lid (1) to the opening device.

SEALING TOOL ASSEMBLY
20200324492 · 2020-10-15 · ·

A sealing tool module (100) is provided. The sealing tool module (100) comprises a housing; a heat-sealing plate (120); and a first actuator for use in moving said heat-sealing plate between a retracted position and a heat-sealing position, the first actuator being movably mounted with respect to the housing; wherein the first actuator is a first shaft on the end of which the heat-sealing plate (120) is mounted, the first shaft being axially movable relative to the housing; and the first shaft comprises a channel configured to guide wiring through the housing and to the rear of the heat-sealing plate (120). A sealing tool assembly (1) for heat sealing a cover film to a container is also provided. The assembly comprises a sealing module support (10) having a plurality of openings therethrough and a plurality of sealing modules each disposed in a respective one of the plurality of openings and configured to independently perform heat sealing, wherein each of the plurality of sealing modules is removable from the sealing module support independently of the other sealing modules.

Apparatus and methods for securing elastic to a carrier web

Apparatus and methods are provided to allow for creation an elastic laminate. Non-stretched elastic can be laid at peaks over a nonwoven layer contained in valleys and atop peaks. Stretched elastic can be laid over tented nonwoven to create nonwoven tunnels when a second nonwoven is laid atop the first nonwoven and elastic, and the tunnels resist un-stretching of stretched elastic strands by frictional or obstruction forces. A laminated material comprising a first and second layer of material bonded at spaced apart bond sites is disclosed, with a plurality of elastic strands disposed in a non-linear manner between said first and second layer of material, so that said strands meander in a cross-machine direction and traverse a machine direction line, restraining movement of the strands by frictional forces between the strands and the non-woven layers.

A COUNTER-PRESSURE ROLLER, AN ARRANGEMENT AND A METHOD THEREOF

A counter-pressure roller for applying pressure on a longitudinal sealing of a packaging material web comprises, a first back-panel support section having a first radius and a second back-panel support section having a second radius, for supporting first and second back-panels of the web, respectively. The first radius is greater than the second radius, and a groove is between the first and second back-panel support sections, for holding a longitudinal overlap section formed by first and second edge sections of the first and second back-panels, respectively. The first edge section is positionable outside the second edge section, with the first edge section facing a bottom of the groove. The bottom has a third radius less than or equal to the second radius. The groove has a first groove edge section having a first inclination, and a second groove edge section having a second inclination.