A system for destacking carton blanks comprises a stacking magazine for receiving a stack of carton blanks, the stacking magazine having a retaining system. The system for destacking carton blanks further comprises a first die comprising a first cavity for shaping the carton blanks, and a transport device with at least one first gripping unit for gripping and displacing carton blanks. The transport device is configured to grip a carton blank from the stack, transport the carton blank into the first cavity and form the carton blank by exerting a force.

A destacking system for cardboard blanks comprises a deposition unit for cardboard blanks with first and second deposition positions, a first destacker comprising a first stacking magazine for accommodating a first stack of cardboard blanks, a first retaining system for retaining the cardboard blanks at a first stacking position, and a first conveying unit with a first gripper to grip a first cardboard blank of the first destacker at the first stacking position and convey the first cardboard blank to the first deposition position, a second destacker comprising a second stacking magazine for accommodating a second stack of cardboard blanks, a second retaining system for retaining the cardboard blanks at a second stacking position, and a second conveying unit with a second gripper configured to grip a second cardboard blank of the second destacker at the second stacking position and convey the second cardboard blank to the second deposition position.

A cylindrical punch head, for shaping a paperboard bottom blank to shape a peripheral skirt portion about a periphery of the paperboard bottom blank, includes a punch face extending in a radial direction about an axis of the punch head, a punch sidewall extending in the axial direction of the punch head about a periphery of the punch face, and a border of the punch face and the punch sidewall. The border may be stepped or beveled. The border may include a plurality of edges extending around the punch face.

A method for fitting a paper sheet includes a water absorption step of causing a region of the paper sheet to absorb water, the region being at least a part of the paper sheet; a placing step of placing the region of the paper sheet between one set of first molding surfaces of a press mold; a molding step of molding the region of the paper sheet into a three-dimensional shape, by closing the press mold; a layering step of layering another paper sheet that is not caused to absorb water on the molded paper sheet, after opening the press mold; a fitting step of fitting the molded paper sheet and the another paper sheet by closing the press mold to mold a laminate into a three-dimensional shape; and a removal step of removing a molded article including a fitting portion, after opening the press mold.

A method for manufacturing a cellulose product, comprising the steps: dry forming a cellulose blank in a dry forming unit; arranging the cellulose blank in a forming mould; heating the cellulose blank to a forming temperature in the range of 100° C. to 200° C.; and pressing the cellulose blank in the forming mould with a forming pressure of at least 1 MPa.

A method for manufacturing a cellulose product, comprising the steps: dry forming a cellulose blank in a dry forming unit; arranging the cellulose blank in a forming mould; heating the cellulose blank to a forming temperature in the range of 100° C. to 200° C.; and pressing the cellulose blank in the forming mould with a forming pressure of at least 1 MPa.

A method of manufacturing a coated paperboard container includes: providing a coated paperboard bottom blank, the coated paperboard bottom blank comprising a paperboard substrate and a first barrier coating layer on a first outermost surface of the paperboard substrate; heating the coated paperboard bottom blank; shaping the heated coated paperboard bottom blank, thereby forming a peripheral skirt portion about a periphery of a bottom wall portion of the coated paperboard bottom blank; and sealing a coated paperboard sidewall to the first barrier coating layer of the peripheral skirt portion.

A process for making a hermetically sealed package, which includes forming a sheet of wrapping made of plastic material, in particular having a thickness of less than or equal to 140 μm. The process envisages: forming on the sheet a first, hollow, portion and a second, perimetral, portion, which delimits at least partially the first portion; inserting the product into the hollow portion obtained in the sheet of wrapping; applying a second sheet of wrapping in contact with the perimetral portion so as to close the hollow portion with the product inside; and welding the second sheet on the first sheet along the perimetral portion. Forming the first sheet includes providing on the second, perimetral, portion a series of pleats of the sheet, which are then sealed.

A process for making a hermetically sealed package, which includes forming a sheet of wrapping made of plastic material, in particular having a thickness of less than or equal to 140 μm. The process envisages: forming on the sheet a first, hollow, portion and a second, perimetral, portion, which delimits at least partially the first portion; inserting the product into the hollow portion obtained in the sheet of wrapping; applying a second sheet of wrapping in contact with the perimetral portion so as to close the hollow portion with the product inside; and welding the second sheet on the first sheet along the perimetral portion. Forming the first sheet includes providing on the second, perimetral, portion a series of pleats of the sheet, which are then sealed.

A method for manufacturing flexible paper straws and flexible paper straws are revealed. The method includes the steps of preparing a paper tube which is a spiral tube by glue and paper, inserting a support shaft into the paper tube axially, placing the paper tube with the support shaft between a first roller and a second roller before curing of the glue while the first and second rollers are in parallel and having a plurality of circular grooves on a cylindrical surface thereof, rolling the paper tube by the first and second rollers to form a corrugated portion on a part of the paper tube, squeezing the corrugated portion to compress the corrugated portion for a period of time for curing the glue and holding shape of the corrugated portion, and removing the support shaft to get a flexible paper straw which is bendable at the corrugated portion.