B29C65/368

Method and apparatus for manufacturing a tetrahedral package

A method of producing packages from a tube of packaging material for a liquid food product, comprises reforming a flat web of packaging material into a cylindrical tube, feeding the tube of packaging material in first direction, filling the tube with a liquid food product, transversally sealing the tube, at regular intervals, into separate package volumes, wherein a longitudinal axis of every second transversal seal being parallel to each other, and a longitudinal axis of each adjacent transversal seal being perpendicular to each other, and wherein a longitudinal axis of each transversal seal is angled in a range between 15-30 in relation to a plane which is orthogonal to the longitudinal axis of the tube of packaging material. Also disclosed is a packaging material for use in the method, a package produced with the method, and a filling machine performing the method.

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. The present invention also relates to a method of manufacturing such an induction sealing device. The device comprises at least one inductor made of an alloy comprising silver and copper.

APPARATUS AND METHOD TO PRODUCE CLOSING SYSTEMS FOR CONTAINERS
20240190097 · 2024-06-13 ·

An apparatus (10) and a method are described for producing a closing system (100) for containers comprising an anti-tampering strip (101) configured to be attached to an opening of a container, and a re-closable closing body (102), configured to hermetically close said containers. The apparatus (10) comprises a welding and deformation station (11) in which it is provided to weld a barrier element (108) to the re-closable closing body (102) and to fold a flexible annular portion (109) of the anti-tampering strip (101) back toward the inside of the closing system (100) while the latter is stationary in a same predetermined position in the welding and deformation station (11).

IMPROVED INDUCTION SEALING SYSTEM
20190152161 · 2019-05-23 ·

The present disclosure relates to an induction sealing system for heat sealing packaging material for producing sealed packages of pourable food products, said sealing system may include a sealing jaw and a counter-jaw. In some embodiments, the sealing jaw may include at least one inductor device having at least one active surface configured to contact said packaging material; at least one flux-concentrating insert; a supporting body including heat-conducting material, said supporting body housing, said at least one inductor device and said flux-concentrating insert; and an interactive surface configured to press against said packaging material. In some embodiments, the counter-jaw may include at least one pressure pad made of elastomeric material, said at least one pressure pad configured to provide a counter pressure to the sealing jaw, wherein said at least one pressure pad has an arched convex contact area with height in the direction towards the sealing jaw.

Sealing bar

A method for providing an inductive sealing bar, comprises providing a conductive coil having at least one heating zone, embedding the coil in a supportive body such that the supportive body covers the entire coil along at least some part of the length of the at least one heating zone; and providing a sealing surface of the sealing bar by planarizing the coil and the supportive body such that the coil is exposed along the entire length of said at least one heating zone. The invention also relates to a sealing bar manufactured according to the method.

REMOVABLE CAP WITH SEAL DESIGNED TO BE OPENED BY PIERCING IN A DIAGNOSTIC ANALYZER

Embodiments are directed to a removable cap with a conduction seal closure for sealing an opening of a container. The cap has a side wall and a top wall with an open access hole there-through. A flat upper portion surrounds the open access hole, which is sealed by the conduction seal. The conduction seal comprises a first polymer sealing layer, an aluminum foil layer on top of the first layer to heat seal the first layer to the cap, and a second polymer layer arranged on top of the aluminum foil layer for protection. The aluminum foil provides a formable shaping strength such that upon seal piercing, a permanent memory spread of the first and third layers is achieved. Removal of the cap does not damage the seal. Access to the container contents is achieved without probe contact to the as-pierced seal.

FOOD PACKAGING PRODUCED BY ULTRASONIC AND/OR INDUCTION SEALING OF RIGID CELLULOSE BODIES AND METHOD OF PRODUCTION THEREOF

The present invention relates to a method of making a container (300). At least two laminated rigid bodies (101, 102) are provided. Each of the rigid bodies (101, 102) is made of a rigid cellulose body (110) and a laminate (120) that is laminated thereon. The rigid bodies (101, 102) are adjoined at interface sections (130) thereof so that they together enclose an inner volume (311), which is at least partially delimited by the laminate (120). The rigid bodies (101, 102) are joined by ultrasonic welding and/or induction sealing of the interface sections (130) to form the container (300). The present invention relates further to a container (300) that is formed in accordance with the method of the invention.

Methods for fabrication of thermoplastic components
10219329 · 2019-02-26 · ·

A method of fabricating a thermoplastic component using inductive heating is described. The method includes positioning a plurality of induction heating coils to define a process area for the thermoplastic component, wherein the plurality of induction heating coils comprises a first set of coils and a second set of coils. The method also includes controlling a supply of electricity provided to the plurality of inductive heating coils to intermittently activate the coils. The intermittent activation is configured to facilitate prevention of electromagnetic interference between adjacent coils.

Forming assembly and method for forming a plurality of sealed packs for pourable food products starting from a tube of packaging material

There is described a forming assembly (10b) for forming a plurality of sealed packs (3) starting from a tube (2) of packaging material, comprising first conveying means (15b) movable along a first path (Q) comprising: a first operative branch (Q1), which has a main elongation direction parallel to an advancing direction (A) of the tube (2); and a first return branch (Q2) comprising an initial portion (35b) which is arranged immediately downstream of the operative branch (Q1) and extends transversally to the advancing direction (A); first conveying means (14b, 15b, 14b) comprise one of a sealing element (22b) or a counter-sealing element (22a); and a first half-shell (21b), which is movable along the operative branch (Q1) between: a first rest position, in which it is detached from the tube (2) or the formed pack (3); and a first operative position, in which it grips the tube (2) or the formed pack (3); the first half-shell (21b) is arranged in the first operative position along a first portion (34b) of the first operative branch (Q1); the first half-shell (21b) is kept in the first operative position along an initial portion (35b), so as to grip and convey the pack (3) in a staggered position with respect to the advancing direction (A); and moves, from the first operative position to the rest position at an end (36b) of the initial portion (35b) opposite to the first portion (34b), so as to discharge the pack (3) in a staggered position with respect to the advancing direction (A).

Apparatus for sealing an open end of a container

An apparatus for sealing an open end of a package comprises a first longitudinally extending sealing jaw, bearing mounted on a first eccentric shaft rotatable around a first rotational axis, and a second longitudinally extending sealing jaw, bearing mounted on a second eccentric shaft rotatable around a second rotational axis, the second sealing jaw being parallel with the first sealing jaw. At least one motor drives rotation around the first and second rotational axis in opposite directions, wherein the first and the second sealing jaws oppose each other, and are allowed to oscillate between sealing and open positions by moving towards and away from each other. A first and second transversally extending guiding bar cooperate with the first and second eccentric shaft via guiding pins running in guiding grooves, such that transverse play between the first and the second eccentric shaft and the first and second sealing jaw is allowed.