...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 4825635 | Carbon fiber yarn A process is provided for producing carbon fiber yarns which comprise an intimate association of carbon fibers having an average length of between 100 and 120 mm. The process comprises transforming tows of multifilaments whose count is between 0.5 and 1 d... | 05/02/1989 |
| 4771596 | Method of making fiber composite A fine heterogeneous hybrid spun yarn is blended from electrostatically conductive staple fibers and electrostatically non-conductive staple fibers so that the yarn is electrostatically conductive only over short discrete lengths. When used in pile fabric... | 09/20/1988 |
| 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 |
| 4711079 | Roving blending for making sheath/core spun yarn A ring spun yarn having good core cohesiveness, and complete sheath covering, the sheath comprising first fibers, such as cotton, and the core comprising second fibers having distinctly different properties than the first fibers, such as polyester, is pro... | 12/08/1987 |
| 4700538 | Method and apparatus for handling a sliver Textile slivers tend to loose their cohesion when travelling over long distances from one piece of storage or processing equipment to another such piece of equipment. This problem is overcome by subjecting the sliver to a false twisting process during its... | 10/20/1987 |
| 4698956 | Composite yarn and method for making the same A continuous process of making a blended yarn of staple fiber and long-fiber or filamentary material in which the long-fiber or filamentary material is passed through a rupture zone to produce lengths thereof which are fed directly into an air stream with... | 10/13/1987 |
| 4669260 | Vertically-arranged rubbing finisher having symmetrically-located output bobbins with single slubbings A vertically-arranged rubbing finisher has a plurality of rubbing units each traversed vertically by a pair of slubbings which are directed to respective winding devices for winding on respective spools to form single-slubbing bobbins. The two winding dev... | 06/02/1987 |
| 4662164 | Separation, and phasing of sheath sliver around a core A novel roving, and spun yarn produced from the roving, have a core and a sheath arrangement with substantially 100 percent of a first type of fiber in the sheath, and for a second type of fiber having distinctly different properties than the first fiber,... | 05/05/1987 |
| 4606181 | Method and apparatus for producing spun yarns of various constructions A method and apparatus for producing spun yarns of various constructions which includes separating a potentially highly productive drafting stage from a spinning process and thereafter by the use of an apparatus which can be used to spin and ply two yarns... | 08/19/1986 |
| 4598537 | Method of manufacturing core yarns from fiber bands Method of manufacturing core yarns from fiber bands. A part of the fibers of a fiber band is released from the fiber band and is deflected. These deflected fibers do not participate in the spinning process, but are wrapped around the twisted core in a plu... | 07/08/1986 |
| 4541231 | Process for reinforced yarn with glass fiber core A unique process for producing torque-free or balanced yarns of staple fibers with glass filament cores is disclosed. Staple fiber roving is fed through a drafting system. Glass filament is fed into the center of the staple fiber just prior to entering th... | 09/17/1985 |
| 4495761 | Multicolored yarn and method A multicolored spun yarn is provided which comprises a substantially untwisted bundle of core staple fibers and a plurality of staple fibers wrapped helically around said bundle of core staple fibers; the bundle of core staple fibers comprises a plurality... | 01/29/1985 |
| 4484435 | Method and device for the production of textile fibre yarns A method is disclosed in which a silver (2) of textile fibers is drawn in a drawing mechanism (3), strengthened in a wrapping unit (4) by wrapping with a fine filament yarn into a roving (5) and the latter is drawn in the drawing mechanism (11, 12) of a s... | 11/27/1984 |
| 4484433 | Method for manufacturing a wrapped yarn, a wrapped yarn, and an apparatus for carrying out the method A method and apparatus for manufacturing a multi-component yarn as well as a multi-component yarn produced thereby, in which staple fibers and at least one endless yarn are combined with each other in a defined manner such that a wrapped yarn will result ... | 11/27/1984 |
| 4470253 | Spinning frame, preferably ring spinning frame A spinning frame of the type having a main drafting zone through which two fiber bands move in spaced parallel relation for subsequent twisting into a single yarn is provided with a first pair of rollers located at the entrance to the main drafting zone, ... | 09/11/1984 |
| 4466237 | Mixed fiber length yarn A novel synthetic yarn is disclosed which comprises fibers of different lengths (as specified). At least three groups of synthetic fibers are present in the yarn, with the synthetic fibers within each group being substantially uniform in length. The subst... | 08/21/1984 |
| 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 |
| 4384450 | Mixed fiber length yarn A novel synthetic yarn is disclosed which comprises fibers of different lengths (as specified). At least three groups of synthetic fibers are present in the yarn, with the synthetic fibers within each group being substantially uniform in length. The subst... | 05/24/1983 |
| 4369622 | Method and apparatus for drawing and blending textile materials A method is disclosed for drawing and blending textile fiber and conductive metal filaments. The method is characterized by feeding at least one bundle of a first textile material through draw rollers of a drawing frame, unwinding at least one roll of a b... | 01/25/1983 |
| 4357793 | Sliver-processing frame having drawing rollers For automatic feeding of slivers through drawing rollers there is provided a sliver-processing frame having drawing rollers, tubes for conveying slivers to be drawn and a plurality of suction elements connected to a common source of low pressure wherein t... | 11/09/1982 |
| 4350007 | Spinning frame The spindles of a flyer spinning frame are each mounted in respective chambers which are defined by telescopically slidable rings. The lowest ring on each sleeve is sealingly fixed on a spindle rail, while the uppermost ring on each sleeve is attached to ... | 09/21/1982 |
| 4290170 | Device for aligning the attenuating fiber mats Device for aligning and attenuating soft or brittle fiber mats employing a rotating vacuum roller for gently grasping the fiber mats under sufficient compressive force to hold the same without breaking or otherwise damaging the fiber mats.... | 09/22/1981 |
| 4150462 | Draw frame device for spinning machines A draw frame device for spinning machines is provided which includes a preassembled auxiliary draw frame stand formed of a hollow longitudinal pipe member having a plurality of supports welded thereto. The supports are configured for holding supporting ro... | 04/24/1979 |
| 4130984 | Method and apparatus for making novelty yarn A method and apparatus for making a novelty yarn, having relatively short varying length and varying size auxiliary strands randomly distributed therealong, on a spinning frame provided with a series of spaced pairs of rotatable drafting elements defining... | 12/26/1978 |
| 4070818 | Method of making a core yarn A slubbing is formed into a thin band by a plurality of pairs of rollers. A core filament is thereafter applied to each face of this band and the two core filaments and band are then spun together to form a core yarn comprising a coherent mass of fibers i... | 01/31/1978 |
| 3969882 | Process and apparatus for fiber wetting in spinning device of the ring-spindle-traveler type A spinning device includes a drafting apparatus for drawing fibers and a ring-spindle-traveler device positioned downstream of the drafting arrangement for receiving the drawn fibers from the drafting apparatus and for twisting the thus drawn fibers and w... | 07/20/1976 |
| 3968635 | Textile coating apparatus and method Method and apparatus for producing a coated and twisted textile product from discontinuous glass fibers that are effectively interengaged into a relatively loosely associated longitudinal sliver-like grouping. The uncoated grouping is advanced from a cont... | 07/13/1976 |
| 3965664 | Method of making spun yarn In a method of making spun yarn from staple fibers, a mix is formed which includes synthetic plastic staple fibers of at least three different titers. One of these titers is a medium titer which is within a range of 6 microns of the average titer of the s... | 06/29/1976 |
| 3961471 | Production of yarn This invention provides a method of forming fancy yarns which does not require a fancy twisting frame. The method according to the present invention involves supplying a fibrous foundation strand and a fibrous effect strand to a pair of drafting rollers, ... | 06/08/1976 |
| 3945188 | Method of spinning synthetic textile fibers Method of spinning threads consisting at least partially of synthetic fibers comprising stretch-breaking continuous filaments to obtain fibers having staple length distribution similar to that of natural fibers, crimping said fibers, and open-end spinning... | 03/23/1976 |