B29C65/368

Induction Curing of Cell-Based Structural Arrays

Adhesive bondlines in a cell-based structural array are thermally cured using tooling blocks inserted into the cells. The tooling blocks have embedded susceptors that are inductively heated by an alternating electromagnetic field generated by an electromagnet.

Induction sealing device and method for manufacturing an induction sealing device

The present invention relates to an induction sealing device for heat sealing packaging material for producing sealed packages of pourable food products. The present invention also relates to a method of manufacturing such an induction sealing device. The device comprises at least one inductor coil provided with at least one elongated sealing surface for cooperation with the packaging material during sealing. The sealing surface comprises a protruding ridge extending along a longitudinal extension of the sealing surface for cooperation with the packaging material and for increasing the sealing pressure on the packaging material during sealing.

METHOD FOR JOINING A DEVICE TO AN OBJECT WITH THE AID OF ULTRASONIC VIBRATION ENERGY AND DEVICE AND INSTALLATION SUITABLE FOR THE METHOD

A method for joining a device to an object with the aid of a combination of ultrasonic vibration energy and induction heating, wherein the device includes a portion of a thermoplastic polymer and a susceptor additive wherein this portion is at least partly liquefied or plasticized through the ultrasonic vibration energy in combination with the induction heating and wherein the joining includes establishing a connection between the device and the object which connection is at least one of a positive fit connection, a weld, a press fit connection, and an adhesive connection. The induction heating is applied for rendering the device portion suitable for absorption of ultrasonic vibration energy than other device portions by raising its temperature above the glass transition temperature of the polymer. The ultrasonic vibration energy is used for liquefying or at least plasticizing the thermoplastic polymer of the named device portion.

Sealing device, and a packaging container

A sealing device for forming a transversal seal to a tetrahedral packaging container is provided. The sealing device comprises a sealing element and an imprint ruler arranged at a longitudinal distance from the sealing element. The sealing element is configured to provide a top transversal seal to a packaging container while the imprint ruler is configured to provide a transversal imprint to the same packaging container.

Induction sealing device

An induction sealing device for heat sealing packaging material for producing sealed packages of pourable food products, the sealing device comprising: an inductor configured to induce a current in the packaging material, the inductor comprising conductor elements; a polymer insert holding the conductor elements; and a supporting body holding the polymer insert; wherein the polymer insert comprises a polymer matrix into which graphene particles are dispersed.

A SEALING DEVICE COMPRISING AN INJECTION MOLDED MAGNETIC FIELD CONCENTRATOR

An improved induction sealing device is presented. The device comprises a main body (302, 402a, 402b), a magnetic field concentrator (306, 406a, 406b) held in the main body and a conductive element (304, 404a, 404b) also held in the main body (302, 402a, 402b). The magnetic field concentrator (306, 406a, 406b) is injection molded in said main body (302, 402a, 402b). For this purpose the main body (302, 402a, 402b) is provided with at least one hole (312a, 312b) to gate material for forming said magnetic field concentrator (306, 406a, 406b) into an interior of said main body (302, 402a, 402b).

A SEALING DEVICE WITH INCREASED ROBUSTNESS

An improved induction sealing device (300) is presented. The device (300) comprises a main body (302), a magnetic field concentrator (306) held in said main body (302) and a conductive element (304). One or several protrusions (314a, 314b) of said magnetic field concentrator (306) cooperate with one or several indentations or openings (312a, 312b) in said main body (302) such that said magnetic field concentrator (306) and said main body (302) is securely bonded together.

Opening Device for a Container and a Method for Producing Such Opening Device

An opening device for a container comprises a pouring spout defining a pouring opening to pour in use the content of the container, a closing element closing the pouring opening and connected to the pouring spout by a breakable connection, and a closure fitted to the pouring spout in a removable manner to close the pouring opening at a region thereof different from that closed by the closing element; the closing element is formed in one piece with a protruding portion extending through the pouring opening and welded to the closure far away from the closing element.

Vorrichtung zum Siegeln einer Verpackung
20180312284 · 2018-11-01 ·

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.

A WELDING HEAD

A welding head comprises a welding element (51) for welding a lid (1) to an opening device of a container (10). The welding head (43) further comprises a 5 compensating device (62) operable for compensating a misalignment between the welding element (51) and the lid (1), thereby centering the welding element (51) relative to the lid (1).