Plant and process for packing, by thermoforming technology, products in packages made from a film of biodegradable natural material and recyclable material having pre-printed patterns
Номер патента: EP4117997A1
Опубликовано: 18-01-2023
Автор(ы): Vittorio LIBRETTI
Принадлежит: Coligroup SpA
Опубликовано: 18-01-2023
Автор(ы): Vittorio LIBRETTI
Принадлежит: Coligroup SpA
Реферат: A plant (1) and a process for packing products in packages having pre-printed patterns are described. The plant comprises a forming station (2) for forming a film (8) comprising a rigid material having a succession of pre-printed patterns which is thermoformed in containers (9), a welding station (5) for welding the upper film (11) with the preformed containers (9) to hermetically seal the package, pre-cutting stations (3a, 3b) to perform an etching on a protective film possibly coupled to the rigid material of the film (8) to facilitate its separation and to perform an etching on the edge of the containers (9) for facilitated opening of packages (12) resulting therefrom, a cutting station (6) for separating the packages (12) and is characterized in that the forming station (2) and/or said cutting station (6) is/ are movable along the forward direction of the film (8) together with the pre-cutting stations (3a, 3b) in order to keep in the same position the images on the definitive package despite the deformation caused on the lower pre-printed film and in that it further comprises: means (27) for detecting the position of at least one pre-printed pattern passing in a pre-fixed area along the forward direction during each intermittent movement of said first film (8) comprising a substantially rigid material; and a command and control unit capable of processing position data of at least one pre-printed pattern transmitted by the detection means (27) and position data of said forming station (2) and/or of said cutting station (6) during each intermittent movement of said first film (8) comprising a substantially rigid material, and capable of controlling, substantially simultaneously to the intermittent forward direction of said first film (8) comprising a substantially rigid material, a displacement of said forming station (2) and/or said cutting station (6) along said forward direction of a magnitude determined by the processing means according to said data in case of wrong positioning of said image in the recess of the package made in the forming station (2) and / or said cutting station (6).
Method and device for feeding elastic threads in a plant and process for the production of layered composite articles
Номер патента: EP3894345A1. Автор: Marco Viola,Davide Viola,Andrea VIOLA. Владелец: MD Viola Macchine Srl. Дата публикации: 2021-10-20.