B29C66/72328

A METHOD AND AN APPARATUS FOR APPLYING A SEALING STRIP TO A WEB OF PACKAGING MATERIAL

A method of applying a sealing strip onto a web of packaging material comprising advancing the web along a web advancement path; applying a first longitudinal portion of the sealing strip onto a longitudinal edge of the web, sealing the first longitudinal portion of the sealing strip onto the longitudinal edge, detecting and/or determining a correct alignment of the sealing strip with respect to the web. The detecting and/or determining of the correct alignment comprises acquiring an image of a second longitudinal portion of the sealing strip and a reference marker of a strip application apparatus, analyzing the acquired image to determine at least a first transversal distance between the reference marker and a longitudinal border of the second longitudinal portion; and evaluating the correct alignment/misalignment as a function of at least the first transversal distance.

Anvil and ultrasonic sealing apparatus
10683118 · 2020-06-16 · ·

An anvil is provided in an ultrasonic sealing machine, in which vibration applying surfaces of a pair of horns and an abutment surface on an end face of the anvil cooperate with each other to bond a laminate. The abutment surface includes left and right welding surfaces which are disposed in the extending direction of the vibration applying surface and protrude toward the horns to face two vibration applying surfaces. The left and right welding surfaces each have an area per unit length in the extending direction, which continuously or step-wisely increases with an increase in distance from a center of the seal area, which is a region where the two vibration applying surfaces are adjacent to each other.

ANVIL FOR TRANSVERSALLY SEALING A TUBE OF PACKAGING MATERIAL AND SEALING JAW HAVING AN ANVIL
20200172278 · 2020-06-04 ·

An anvil for transversally sealing a tube having a longitudinal seam portion can include a first elongate contact surface and a second elongate contact surface. In some embodiments, the first elongate contact surface includes a first groove and the second elongate contact surface includes a second groove, each one of the first groove and the second groove being adapted to receive, in use, a respective section of the longitudinal seam portion of the tube. The first elongate contact surface can include a first seam interaction portion positioned within the first groove and having a first surface profile. The second elongate contact surface can include a second seam interaction portion positioned within the second groove and having a second surface profile. In some embodiments, the first surface profile differs from the second surface profile.

INDUCTOR COIL FOR INDUCTION WELDING OF A PACKAGING MATERIAL

An inductor coil for induction welding of a packaging material having at least one layer of metal foil is disclosed. The inductor coil can be configured to induce an alternating current in the at least one layer of metal foil for inductive heating of the packaging material. In some embodiments, the inductor coil comprises a base layer material and a top layer material bonded to the base layer material to form an irreversible bonding interface comprising a mixture of the base layer material and the top layer material. An induction sealing device comprising at least one inductor coil and a method of manufacturing an inductor coil for induction welding of a packaging material is also disclosed.

APPARATUS AND METHOD FOR MANUFACTURING BEVERAGE PODS
20200165019 · 2020-05-28 ·

An apparatus (100) for manufacturing pods (M) for beverage extraction machines is described, comprising: movement means to advance a belt (110) of waterproof material in a predetermined rectilinear direction (A), a plurality of forming plates (125) arranged below the belt and provided with at least one cavity (135), movement means to advance said forming plates in a synchronized manner with the belt, and a plurality of operational devices (165, 200, 300, 400, 500) arranged in succession along the belt; wherein said operational devices comprise for example one device for pressing down a portion of the belt into the cavity of the forming plate, a device for releasing a dose of a powder substance inside a cap (C1), a device for compacting the dose, a device for applying a second cap (C2), a device for sealing the second cap to the belt.

Unit and method for forming/advancing a pack or a portion of a pack

There is described a unit (1, 1, 1) for forming/advancing at least one pack (3) or at least one portion of a pack (3), comprising a frame (11, 12a, 12b), a selectively activatable/deactivatable source of power (42) and at least one carriage (14a, 14b) operationally coupled with source of power (42), movable along a path (13a, 13b) comprising at least one vertical portion (18a, 18b, 19a, 19b), and adapted to convey said at least one pack (3) or said at least one portion of a pack (3); unit (1, 1, 1) comprises stopping means (45) fitted to frame (12a, 12b) and which can be operated: to leave carriage (14a, 14b) free to advance along vertical portion (18a, 18b; 19a, 19b), when source of power (42) is activated, and to stop carriage (14a, 14b) along vertical portion (18a, 18b; 19a, 19b), when source of power is, in use, deactivated.

Expandable secondary package for a container
10654637 · 2020-05-19 · ·

A container comprised a container body having a first cavity for receiving a product therein, the container body having a front surface, back surface, first sidewall and second sidewall, and a cover having an opening extending thereinto, said opening configured to receive said container body therein, the cover comprising an outer wall, an inner wall and a second cavity defined between said outer wall and inner wall, said second cavity housing a protective material therein. The protective material moves the cover from a first configuration defining a first inner profile of the inner wall of the cover to a second configuration defining a second inner profile of the cover, said second inner profile being smaller than the first inner profile.

INDUCTION SEALING DEVICE

A disclosed induction sealing device (100) for induction welding of a packaging material comprises an inductor coil (101) configured to induce an alternating current in a metal foil of the packaging material for inductive heating thereof, and a magnetic insert (102) encapsulating the inductor coil (101) apart from an outer portion (103) thereof to be arranged towards the packaging material to be sealed. The magnetic insert (102) is configured to interact with the packaging material to be sealed via at least one interactive surface (104). The induction sealing device (100) comprises a connection unit (105). The connection unit (105) comprises a parallel connection (106) to the inductor coil (101) and is configured for connection to an AC power source. A corresponding method (200) of manufacturing an induction sealing device (100) is also disclosed.

Method for heating multiple piles of a laminate
10647062 · 2020-05-12 · ·

A method and a device for heat sealing multiple plies of a laminate from which gable top packaging can be produced, wherein the laminate has a carrier layer made of electrically non-conductive material and a sealing layer made of thermoplastic material on at least one surface of the laminate. To heat seal multiple plies of a laminate in a high-frequency alternating electric field, the alternating electric field is generated by a first lead of an HF voltage supply in a first sub-region of the sealing region and is generated by a second lead of the HF voltage supply, differing from the first lead, in at least a second sub-region of the sealing region, so that a different heat distribution is obtained over the sub-regions of the sealing region.

Deformed web materials

Deformed web materials are disclosed. The web materials have discrete deformations formed therein. The deformations may be features in the form of portions of a web with apertures therein, protrusions, depressed areas, and combinations thereof. These features may extend out from the surface on one side of the web, or from both of the surfaces of the web. Different features may be intermixed with one another.