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| Number | Title | Issue Date |
| 6112509 | Drafting equipment with small double belts A drafting equipment is provided with a small double belt for spinning machines with a fiber bundling zone which follows the pair of output rollers of the main drafting field and is followed by a pair of delivery rollers. A pneumatic compression device is... | 09/05/2000 |
| 5918456 | Drafting frame for a textile machine A rail for supporting and guiding the lower belt of a drafting frame of a textile machine is provided with a coating of one or more of aluminum oxide, titanium dioxide, chromium oxide or molybdenum oxide in an oxide ceramic powder with a hardness of 800 t... | 07/06/1999 |
| 5048157 | Drafting arrangement for spinning machines The drafting arrangement is provided with a guide element between the front roller pair and the operative unit formed by an apron and a roller. The guide element is disposed for guiding a length of fiber between the roller of the operative unit and the fr... | 09/17/1991 |
| 5042112 | Drafting unit for a spinning machine In a drafting unit for a spinning machine having an apron guide between a pair of rollers, it is provided that the bottom apron wound around a bottom roller is tensioned by means of a movable bottom apron bridge.... | 08/27/1991 |
| 4901517 | Apparatus for the drafting section of ring spinning frames An improved apparatus for the drafting section of ring spinning frames is disclosed. The apparatus includes a front cot roll apron which permits the apparatus to be operated at higher than normal draft ratios without sacrificing spinning performance or pr... | 02/20/1990 |
| 4727626 | Control of fibers in apron drafting systems of machinery used in the spinning process An improved fiber control for an apron drafting system of a spinning frame is disclosed which includes a rear pair of rolls (3, 6) a middle pair of rolls (2, 5), and a front pair of rolls (1, 4). A silver guidance zone is formed between upper apron 8 and ... | 03/01/1988 |
| 4387487 | High draft apparatus in spinning machine A high draft apparatus in a spinning machine for forming a spun yarn from a roving or sliver. The draft apparatus comprises back rollers, apron-provided middle rollers and front rollers and a gripping and a pressing means for a sliver disposed on the fron... | 06/14/1983 |
| 4117572 | Drawing frame with a belt control system, for spinning frames In a drawing frame having a fibre-control system composed by two confrontingly and superposedly mounted closed-lap belts, the improvement consisting in that the upper-belt driving cylinder has a barrel-like sleeve of an elastomeric material of an appropri... | 10/03/1978 |
| 4070732 | Textile fibre control system in a drawing device The control system is constituted by a succession of elongate parallel control elements, made of elastomer, which extend in directions transverse to the direction of the path of the fibres to be controlled and which each have a work face and an opposite f... | 01/31/1978 |
