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The row of pins known as a top comb is a very fine tooth comb, for example, 25 teeth per inch; it is inserted in cylindrical combed fringe to act as an impediment to contaminates (burr, seed etc.) flow. The top comb acts as an impediment to contamination moving into a combed sliver. On a next circular combing short finer and contaminants are ...
The fibres in combed top tend to be of a fairly uniform length due to the method of preparation. Though drawing it into strips may line the fibres up a bit. [1] [2] Roving is not to be confused with sliver as there is twist in roving. Pencil roving is a type of roving that has been drawn until it is the size of a fat pencil. It can be used by ...
In video games using procedural world generation, the map seed is a (relatively) short number or text string which is used to procedurally create the game world ("map"). "). This means that while the seed-unique generated map may be many megabytes in size (often generated incrementally and virtually unlimited in potential size), it is possible to reset to the unmodified map, or the unmodified ...
A pencil roving is a roving thinned to the width of a pencil. It can be used for knitting without any spinning, or for apprentices. Combing is another method to align the fibres parallel to the yarn, and thus is good for spinning a worsted yarn, whereas the rolag from handcards produces a woolen yarn.
The shorter fibers that remain in the heckling comb after the flax has been combed are called tow. [2] If the heckle is fine enough, the tow can be carded like wool and spun, otherwise it can be spun like the other flax fibers. Tow produces a coarser yarn than the fibers pulled through the heckles [2] because it will still have some straw in it ...
When sliver is drawn further and given a slight twist, it becomes roving. [ 2 ] [ 3 ] Worsted textiles differ from woolen textiles in that, after carding, they are subjected to gilling, a process to make sure the sliver has a more uniform linear weight, and lubricants are added.
1 Drafting rollers 2 Spindle 3 Attenuated roving 4 Thread guides 5 Anti-ballooning ring 6 Traveller 7 Rings 8 Thread on bobbin. A ring frame was constructed from cast iron, and later pressed steel. On each side of the frame are the spindles, above them are draughting (drafting) rollers and on top is a creel loaded with bobbins of roving. The ...
Topmaking mills make wool top, a semi-processed product from raw wool. The process requires that the wool be scoured (washed) and combed and sorted. The longer fibers resulting from the process are called tops, and are in a form ready for spinning. To be closer to customers, some of the industry has moved from Australia, Europe and the US to China.