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Roll slitting is a shearing operation that cuts a large roll of material into narrower rolls. There are two types of slitting: log slitting and rewind slitting . In log slitting the roll of material is treated as a whole (the 'log') and one or more slices are taken from it without an unrolling/re-reeling process.
Roller-printed cotton cushion cover panel, 1904, Silver Studio V&A Museum no. CIRC.675–1966 Indigo Blue & White printed cloth, American Printing Company, about 1910. Roller printing, also called cylinder printing or machine printing, on fabrics is a textile printing process patented by Thomas Bell of Scotland in 1783 in an attempt to reduce the cost of the earlier copperplate printing.
Schiffli machines evolved from, and eventually replaced manually operated "hand embroidery" machines. The hand embroidery machine used double ended needles and passed the needles completely through the fabric. Each needle had a single, continuous thread. Whereas the schiffli machine used a lock stitch, the same technique used by the sewing ...
With textiles, fabric is passed between calender rollers at high temperatures and pressures. Calendering is used on fabrics such as moire to produce its watered effect and also on cambric and some types of sateens. In preparation for calendering, the fabric is folded lengthwise with the front side, or face, inside, and stitched together along ...
Inorganic LED - Flexible LED is commonly made into 25, 50, 100 m, or even longer strips using a roll-to-roll process. A long neon LED tube is using such a long flexible strip and encapsulated with PVC or silicone diffusing encapsulation. Organic LED (OLED) - OLED for foldable phone screen is adopting roll-to-roll processing technology.
In the UK, these machines are still used to this day at worsted cloth finishers as Crabbing machines. Crabbing (sometimes called greasy blowing) is a type of special decatising done mostly to worsted fabrics in the 'grey state', or when they come off the weaving loom. It is the first step in the traditional finishing process of fine worsted ...
A variety of ageing machines are used for this purpose. The names of the ageing machines include loop ager, festoon ager, cottage steamer, star steamer, and tower ager. Some machines are used for batch processing, while others are used for continuous processing; a loop ager is a continuous type of machine. [1] [9]
The typical machine is loaded with a continuous flat roll of plastic film, which has usually had labeling and artwork applied. Plastic is the most commonly used packaging material in the food industry, but the technology can be used to form continuous metallized foil/film, paper, and fabric product containers by changing the edge sealing/seaming methods.