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With demand for decorative packaging and in-store displays at an all time high, BOBST with its thirty five year track record in the production of litho-laminating equipment, is able to provide users with lines that deliver both performance and superb finished product quality.
At the leading edge of technology; the Asitrade product line from BOBST continuously invests in both research & development; and its own manufacturing processes, gaining a reputation for producing litho-laminator equipment ranges which, like the products they are used to create, offer added value.
The litho-laminating process is a means of creating corrugated board that has a high quality, litho printed surface. The process may use a reel or individual sheets of corrugated board as the carrier, while the top liner is normally coated paper fed from a pre-printed reel or a stack of individual printed sheets.
The litho-laminating process can be sub-divided into three main types - inline, offline, and sheet to sheet. Some litho-laminating equipment can also be used for stand-alone single-face corrugated production or sheeting.
The capabilities of any litho-laminating line will depend on the exact configuration of units included. In broad terms a line will consist of some combination of three main elements:
Not all litho-laminating lines feature a wet end. Each section may require additional handling and processing units which might include sheet feeders, rewinders, sheeters, tear tape applicators, and centerslit units, among others.
The key element of a litho-laminator wet end is the single facer group. This creates single face corrugated from reels of liner and fluting papers. The group is made up of several components including reel stands, splicers, pre-heaters, conditioners, and the corrugating single facer itself, often called a module facer, which creates the fluting and glues it to the liner.
The laminating section of a litho-laminator brings together the corrugated substrate, whether formed inline by a single facer, supplied on a reel, or fed as individual sheets, with the printed top paper, which may have been fed as a reel of pre-print or as individual sheets. A gluing unit applies adhesive to the flute tips of the corrugated carrier which the printed top paper is aligned with, and then adhered to. If the litho-laminate is to be delivered as sheets it will then be cut to the required length.
In the delivery section of a litho-laminator the laminated board passes through two drying stages - a single sheet compression process, where the sheets are pressed between two conveyors, and a belt press which results in good final bonding. The resulting litho-laminate is then delivered to a stacker or rewinder, depending on whether it is a web or a sheet.
The three main types of litho-laminating lines have different capabilities, which may also vary subject to their exact configuration.
Additionally, a litho-laminating line may be used as a standalone single face corrugator or sheeter, enabling the user to carry out single face rewinding, the production of single face reels and sheets, and the carrying out of single face center cut or centerslit on pre-print and unprinted webs.
The output of a litho-laminating line is a product with high added-value, manufactured at a relatively low cost, and which combines the strength of corrugated board with the printing quality achieved on carton board.
When it comes to delivering the litho-laminating equipment that packaging and display manufacturers need, the Asitrade range from BOBST offers configurations and processes that provide users with superb performance and the very highest finished product quality. Whatever the application, BOBST has a solution designed to give manufacturers the best available production performance and superbly accurate lamination of their products.