B29C65/305

Low frequency modulated heat sealing apparatus and method
10507945 · 2019-12-17 ·

A heat sealing apparatus including a first sealing bar having a first sealing bar contact surface with a first resistance heating element extending along the upper sealing bar contact surface; a second sealing bar having a second sealing bar contact surface; a sealing bar moving mechanism for moving the first sealing bar and the second sealing bar away from and toward each other into compression contact; a power pulsing mechanism including a microprocessor running a computer program for delivering electric power pulses to the first resistance heating element in selected pulse durations separated by at least one selected interval duration and at a frequency between 0.001 and 5000 Hertz; an electric power source and an apparatus circuit including the first resistance heating element and the sealing bar moving mechanism.

Method for integrating a backing-structure assembly in a structure of an aircraft or spacecraft
10486372 · 2019-11-26 · ·

A method for integrating a backing-structure assembly in a structure of an aircraft or spacecraft is described. In this case, a plurality of individual elements is joined to form the backing-structure assembly. The individual elements for the backing-structure assembly and a skin portion for the structure are provided. The elements are arranged on a pre-assembly device which comprises retaining devices, which are each configured to hold one of the elements so as to be adjustable with respect to the position and/or location thereof. Some or all of the elements are connected to the skin portion. In the method, by adjusting the retaining devices for tolerance compensation, gaps between joint regions of the elements and the skin portion are eliminated or adjusted.

Method and Apparatus for Manufacturing a Tampon Packaging
20190337648 · 2019-11-07 · ·

The invention pertains to a method for manufacturing a tampon packaging (24), comprising the steps of: a) wrapping a strip of heat-sealable film (23) around a holding means (1, 18), whereby a first transversal end (27) of said strip overlaps with a second transversal end (28) of said strip; b) heat sealing said first transversal end (27) to said second transversal end (28), thereby forming a tube of film, and c) removing said tube of film from said holding means, thereby obtaining a tampon packaging, characterized in that said heat sealing step (b) is performed at least partly during a combined movement of said holding means (1, 18) and said strip (23). The invention further pertains to related apparatuses, systems of tampon and tampon packaging and methods for manufacturing a packaged tampon.

APPARATUS FOR HANDLING AND LOCALLY FIXING FLAT THERMOPLASTIC MATERIALS
20190337281 · 2019-11-07 ·

An apparatus for handling and locally fixing flat thermoplastic materials includes at least one holding device to be applied with a holding region for exerting a holding force against a surface of the flat thermoplastic material. Arranged within or surrounded by the holding region of the at least one holding device is at least one heating element by which the flat thermoplastic material can be locally thermally fixed to a join partner within or surrounded by the holding region of the at least one holding device.

Seal bar and heat sealing apparatus

A technique for accurately detecting a temperature of a sealing surface which is not affected by sealing conditions or the like is provided. A seal bar (1) is a rod-shaped seal bar having a sealing surface (11a) and includes a heater (13) and a temperature sensor (14). The heater (13) is provided in a main body of the seal bar (1) and extends in an extending direction (D1) of the main body (11). The temperature sensor (14) is provided at a position between the sealing surface (11a) and the heater (13) in the main body (11) of the seal bar (1) and is inserted into the main body (11) of the seal bar (1) from an end surface (upper end surface (112) or the like) which intersects a long side of the sealing surface (11a).

Apparatus and process for packaging a product
10435186 · 2019-10-08 · ·

An apparatus for packaging a product comprises a packaging assembly to fix a film sheet to a support. The packaging assembly includes a lower tool having seats for receiving the support and an upper tool facing the lower tool and comprising a film holding plate for holding the film sheet. The film holding plate has an active surface for receiving the film sheet, where the upper and lower tools cooperating to define a packaging chamber. The packaging assembly is open to receive the film sheet in a first operating condition and is hermetically closed in a second operating condition. The film holding plate has a lateral surface extending substantially perpendicular to a plane defined by the active surface, the film holding plate comprising ejectors arranged in the lateral surface for ejecting a stream of gas substantially parallel to said plane and substantially away from a center of the active surface.

PACKAGING MACHINE
20190300217 · 2019-10-03 ·

A jaw assembly (10) that receives a tubular bag material (11) that is transversely sealed and transversely cut by the jaw assembly (10) to form bags 12 of snack food. The tubular bag material (11) is delivered in a downward direction (13). The jaw assembly (10) includes sealing jaws (27, 28), with the jaws (27, 28) operating in pairs to transversely seal the tubular bag material (11). Each of the jaws (27,28) has an end surface (29) that heats and engages the tubular bag material (11), to form the seal therein. Each surface (29) is spaced from its respective rotational axis by a radius (31). Most preferably the radius (31) is less than 85 mm, but greater than 65 mm.

PLASTIC CORRUGATED CONTAINER WITH SEALED EDGES
20190270542 · 2019-09-05 ·

A reusable plastic container is provided. The container includes a plastic container body having opposing side panels and opposing end panels. The container body also includes top side panel flaps attached to a top portion of each side panel, and bottom side panel flaps attached to a bottom portion of each side panel. The container body has top end panel flaps attached to a top portion of each end panel, and bottom end panel flaps attached to a bottom portion of each end panel. The top and bottom side panel flaps are each defined with respect to the side panels by a fold line. The fold lines including at least one scored portion and at least one welded portion.

Heater for sealing process of secondary battery
11987009 · 2024-05-21 · ·

A disclosed heater for a sealing process of a secondary battery includes: a sealing bar heating and pressing a pouch foil to be sealed; a plurality of sub-heating unit longitudinally disposed inside the sealing bar to respectively independently supply heat to a plurality of sections separated in the longitudinal direction of the sealing bar; temperature sensing units disposed inside the sealing bar and sensing temperature at positions on the surfaces being in contact with the pouch foil; and a control unit controlling heating temperature of the plurality of sub-heating units on the basis of the temperature sensed by the temperature sensing units.

Air cushion inflation machine

A methods of executing start, run, and stop sequences on a machine for converting a web of preformed pouches into inflated dunnage units. The pouches are defined by transverse seals extending from a remote edge to within a predetermined distance from an inflation edge.