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| Number | Title | Issue Date |
| 4713931 | Apparatus for vacuum spinning Vacuum spun yarn is produced that has strength property approaching that of ring spun yarn, and significantly greater than air jet spun yarn, and may be produced at speeds greatly in excess of production speeds for ring spun yarn. An elongated hollow shaf... | 12/22/1987 |
| 4711080 | Spun yarn and method and apparatus for forming spun yarn A bound spun yarn comprising substantially twistless core fibers and wound fibers wound spirally around the core fibers. The core fibers and the wound fibers have colors different from each other and the number of the wound fibers vary randomly in a longi... | 12/08/1987 |
| 4677818 | Composite rope and manufacture thereof A composite rope obtained by a process comprising (1) impregnating a fiber core of a reinforcing fiber bundle with a thermosetting resin, (2) coating the outer periphery of the resin-impregnated fiber core with fibers, and (3) curing the thermosetting resin wi... | 07/07/1987 |
| 4635435 | Vacuum spinning from sliver Yarn having properties approaching that of ring spun yarn is produced by vacuum spinning, including directly from sliver. The elongated hollow shaft of the vacuum spinning apparatus has a vacuum reservoir, or interior chamber, that is generally in the sha... | 01/13/1987 |
| 4507913 | Vacuum spinning An unusual spun yarn is produced by feeding fibers or a sliver or roving into the interior of a hollow shaft. The shaft includes a perforated portion, and a vacuum is applied at the exterior of the shaft. The shaft is mounted for free rotation about an ax... | 04/02/1985 |
| 4500593 | Protective fabric and fire curtain with a metallic laminate A fire retardant which is suitable for use as a protective material in garments, clothing, fire curtains, barriers or screens is disclosed. The fabric employs an amorphous silica core having a minimum of 96% silica by chemical analysis. The core fiber is ... | 02/19/1985 |
| 4495757 | Method of and apparatus for manufacturing yarn with a core Method of and apparatus for making yarn with a core, wherein the free fibers are tightly attached to the core and are wound around it. The core of fibrous material is fed by a pair of feeding rollers, the core being fed through a first jet for the formati... | 01/29/1985 |
| 4492075 | Method for producing fiber spun yarns and the fiber spun yarns obtained with said method Method for producing a fiber spun yarn of the type in which parallelized elementary fibers are joined to a textile core, subjected to a false twist, said fibers being projected on the core, upstream of the false twist spindle. According to the invention, ... | 01/08/1985 |
| 4436132 | Bead rings for tires In order to obtain a bead ring for tires which is both lighter and stronger than the known bead rings, the bead ring is formed of an annular core, for example of steel, surrounded by at least one layer formed of at least one strand of continuous nonmetall... | 03/13/1984 |
| 4428752 | High bulk olefin blended yarn A high bulk olefin blended yarn includes selected percentages by weight of olefin fiber with naturally occuring fiber such as cotton or wool, which are cut and blended together to form a staple thereof which are then spun and twisted in a conventional man... | 01/31/1984 |
| 4331729 | Heat resistant and protective fabric and yarn for making the same A heat resistant fabric is provided, preferably woven, and with an optional aluminized backing, the fabric being made from yarns having a core of flame and high heat resistant non-melting heat stabilized polyacrylonitrile fibers covered by a layer of aram... | 05/25/1982 |
| 4321789 | Process for spinning of core/mantle yarns and yarn products A process for the production of a core/mantle yarn, in which a core thread is continuously conducted through a spinning zone in a gap formed between two adjacent and oppositely moving surfaces; staple fibers are fed into the path of the core thread and co... | 03/30/1982 |
| 4299884 | Type of wrapped textile thread and process for its production which involves thermofusion to secure wrapping to core There is provided a new wrapped textile thread which includes a core made of threads arranged considerably parallel to each other. The core is covered by a wrapping thread which winds in a single turn, forming a regular and joined spiral around the core. ... | 11/10/1981 |
| 4275117 | String construction produced by subjecting a fibrous strand composed of fibrous materials having differing melting points to heating conditions sufficient to melt some but not all of the fibrous materials An integrated string primarily for use in connection with athletic rackets, such as tennis, badminton, squash and the like, but also usable for fishing line, musical strings, etc., said string in one embodiment comprising a thermoplastic core having a the... | 06/23/1981 |
| 4253297 | Method and apparatus for the production of core yarn A method and apparatus for producing core yarn comprising introducing yarn constituting the core through a supply channel into a stationary spinning chamber, leading the yarn inside the chamber along a straight line to staple fibres rotating in a plane pe... | 03/03/1981 |
| 4244174 | Poy yarn compositions The instant specification describes an improved method for the manufacture of composite yarns having a central carrier with fibers or filaments adhered thereto. The method includes the step of using a partially oriented yarn as the carrier material and dr... | 01/13/1981 |
| 4225442 | Core spun filtration roving A low twist, high bulk filtration roving is prepared by wrapping a sliver comprised of individual fibers, around a core in the conventional manner. Exemplary of the bulk fibers which may be employed are naturally occurring fibers such as jute, cotton, ani... | 09/30/1980 |
| 4152885 | Interlocked yarn and method of making same An interlocked yarn having a plurality of continuous filaments which have substantially no twist and having at spaced intervals along the length thereof at least one of the filaments encircling the other filaments to interlock the filaments together. The ... | 05/08/1979 |
| 4099370 | Twisted core yarn A twisted yarn which has an elongated flexible core at least part of which is twisted in a given direction. A plurality of surface fibers are carried by the core at the twisted part thereof and are helically wound around the twisted part of the core in a ... | 07/11/1978 |
| 4002019 | Method of making yarns from angora rabbit's-wool and yarns so made Yarn of a fineness between Nm 60 and Nm 250 comprises fibres from the fur of angora rabbits. The fibres are pretreated with a two-component composition of an antistatic agent and an agent for increasing the adhesability of the fibres. The pretreated fibre... | 01/11/1977 |
| 3978648 | Helically wrapped yarn Helically wrapped yarn, having a bundle of substantially parallel core staple fibers, with uniformly helically wrapped staple fibers, and apparatus and method.... | 09/07/1976 |
