...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7240875 | Yarn carrier A yarn carrier is provided in the form of a yarn winding tube having a yarn catch insert. The yarn winding tube is a hollow cylindrical tube having a longitudinal axis extending lengthwise between its first and second opposite ends. The tube has a hole through its s... | 07/10/2007 |
| 7059110 | Spinning device for production of spun thread from a fibre sliver A device for the manufacture of a spun thread from a fiber sliver includes a fiber conveying channel with a fiber guidance surface. A yarn guidance channel includes an inlet mouth aperture disposed such that the fiber guidance surface guides fibers to the inlet mout... | 06/13/2006 |
| 6948303 | Process and arrangement for spinning yarn A process is disclosed for a spinning arrangement for dealing with the correction of an end break. During operation, sliver-like fiber material fed to the spinning arrangement is opened to single fibers by means of an opening roller. The single fibers are then trans... | 09/27/2005 |
| 6701704 | Processing textile materials A method of processing textile material is disclosed in which the material (13) is passed along a predetermined path through a liquid jet device (50, 70, 80, 90, 100, 120, 130) applying a force to the material (13) transversely to the axis of the material... | 03/09/2004 |
| 6655122 | Core yarn manufacturing machine and core yarn manufacturing method A core yarn manufacturing machine has a spinning unit including a hollow guide shaft member wherein the yarn passage is formed in the axis direction, and a nozzle applies a whirling flow to the tip section of the hollow guide shaft member. A core yarn is ... | 12/02/2003 |
| 6092356 | Process and apparatus for open-end spinning A process for open-end spinning provides for at least one sliver being opened into single fibers. A wide fiber veil is formed from parallel single fibers extending in the direction of motion, which fiber veil is fed to a transporting surface by means of a... | 07/25/2000 |
| 6058693 | Spinning process and apparatus for performing same A spinning process provides for opening at least one sliver to single fibers and for depositing the single fibers on a moving collecting surface in the form of an expanded fiber veil. During transport on the collecting surface and, if required on a moving... | 05/09/2000 |
| 5974778 | Arrangement for open-end spinning comprising a driven suction roller In the case of an arrangement for open-end spinning, a driven suction roller is provided which in a take-up zone takes up fiber material opened to single fibers and transports it to a suctioned yarn formation line. The yarn formation line is defined by a ... | 11/02/1999 |
| 5890356 | Open-end fiber veil spinning apparatus and method In a process for open-end spinning at least one sliver is opened to single fibers, which form a fiber veil. The single fibers are fed to a rotating collecting surface which is driven transversely to their travel direction, and are withdrawn from the colle... | 04/06/1999 |
| 5778653 | Suction roller for an open-end spinning machine In the case of an open-end spinning machine, a suction roller is provided which serves to transport a fiber veil, expanding transversely to the circumferential direction of the suction roller, to a yarn formation line. The length of the transport path and... | 07/14/1998 |
| 5768878 | Open-end spinning process and apparatus for performing same In a process in open-end spinning at least one sliver is opened into single fibers. A collecting surface, rotating at a higher speed than the opened single fibers takes up these as soon as they have left the opening area. The single fibers are taken along... | 06/23/1998 |
| 5768879 | Open-end spinning process and apparatus for performing same In a process in open-end spinning at least one sliver is opened into single fibers. A transfer surface, rotating at a higher speed than the opened single fibers, takes up same already in the opening area. The single fibers are taken along transversely to ... | 06/23/1998 |
| 5222352 | Process and an arrangement for spinning staple fibers into a yarn A process and an arrangement for the spinning of staple fibers into a yarn is disclosed in which sliver-shaped fiber material is opened up into individual fibers which are fed to a collecting surface which moves at a speed which corresponds to at least th... | 06/29/1993 |
| 5187930 | Arrangement for spinning staple fibers into a yarn An arrangement is disclosed for spinning staple fibers to a yarn which has a feeding and opening device which opens up fiber material supplied in the form of slivers into a individual fibers, and a disk-type collecting element which takes over the separat... | 02/23/1993 |
| 4724668 | Method and apparatus for the formation of spinning fibers For improving spinning results, a sideways limited swarm of fibers (11) is applied tangentially at the mantle of a rotating perforated drum (3) whose interior is supplied with suction air, is transported further on this drum (3) in the peripheral directio... | 02/16/1988 |
| 4719744 | Vacuum spinning method Vacuum spinning of yarn produces yarns having good properties, and which may have a wide variety of different effects and constructions. A core filament yarn may be fed into operative association with a nipped sliver or roving, and then fed to a perforate... | 01/19/1988 |
| 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 |
| 4676062 | Method and device for the formation of spinning fibers Method of forming spinning fibers for producing a thread, which includes applying at least one laterally limited swarm of spinning fibers continuously to an outer cylindrical surface of a rotating, perforated drum having an interior, to which suction air ... | 06/30/1987 |
| 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 |
| 4553383 | Method of and apparatus for spinning yarn from staple fibers in an air vortex Method of and apparatus for spinning yarns from staple fibers in an air vortex in a stationary spinning tube axially coupled by one of its ends to a stationary air chamber, and by its other end to a sub-atmospheric pressure source. A flow of discrete fibe... | 11/19/1985 |
| 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 |
| 4444003 | Turbulent spinning apparatus for the production of yarn In the production of a covered core yarn in pneumatic spinning in a stationary, tubular spinning chamber, an endless thread (2) is covered with staple fibers (1). The staple fibers (1) are brought together with the core thread and are spun overtwisted in ... | 04/24/1984 |
| 4437302 | False twisting air nozzle A false twisting air nozzle for use in fasciated yarn spinning and the like. The air nozzle has a fiber bundle passage for allowing a fiber bundle to pass therethrough in a direction, the fiber bundle passage including an inlet, a smaller-diameter hole po... | 03/20/1984 |
| 4319448 | Process and apparatus for producing yarn A process and apparatus for producing yarn by pneumatic means employing a stationary vortex, wherein yarn is first formed by means of a basic twisting movement from air revolving in a spinning chamber and then subjected outside of the spinning chamber to ... | 03/16/1982 |
| 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 |
| 4242859 | Thread spinning apparatus Apparatus for spinning comprising a spinning unit structured to receive a running length of roving into a vortex of air, impart twist thereto and discharge it in the form of a spun thread.... | 01/06/1981 |
| 4207728 | Equipment for pneumatic manufacture of yarn The manufacture of yarn in a non-rotational spinning chamber, using the air jets directed by a system of passages, the air flow stream rotating quickly becomes restricted to the whirl core, and swirled air flow is forced along the spinning chamber walls. ... | 06/17/1980 |
| 4174605 | Method of and apparatus for spinning yarn in an air vortex in a spinning tube Method of and apparatus for spinning yarn of staple fiber in an air vortex in a spinning tube. Separated fibers are withdrawn from the spinning tube in counterdirection to a whirling flow of air produced in a pneumatic chamber coupled to the spinning tube... | 11/20/1979 |
| 4077197 | Open end spinning In an open-end spinning process wherein staple fibers are continuously fed to an air vortex and wherein a yarn tail extends into the vortex whereby the fibers affix themselves to and lengthen the tail, the yarn tail is driven at a faster revolution rate t... | 03/07/1978 |
| 4073129 | Method and apparatus for manufacture of yarn In manufacturing yarn inside a cylindrical, non-rotational chamber, air jets cause rotational motion to the fibers introduced into the chamber. The whirl core vacuum suction zone, i.e. on the cylindrical insert lower face and/or in the chamber outlet, whe... | 02/14/1978 |
| 4073128 | Method and apparatus for manufacturing of yarn The method and apparatus for manufacture of yarn from natural- and synthetic fibres, using a pneumatic spinning technique. The method according to the present invention is directed to fibres entrained in an air jet stream introduced into the non-rotationa... | 02/14/1978 |
| 4070812 | Equipment for pneumatic manufacture of yarn The apparatus for pneumatic manufacture of yarn from natural or synthetic fibers employs a non-rotational chamber, has an insert which contains a central yarn discharge channel, circumferential ducts to supply air as well as a fiber delivery channel at th... | 01/31/1978 |
| 3998039 | Method and apparatus for open-end spinning A method for open-end spinning according to which discrete fibers are fed into the interior of a rotor located in a spinning chamber and deposited in a fiber groove of the rotor. The fibers are thereafter drawn out of the spinning chamber as twisted fiber... | 12/21/1976 |
| 3996731 | Apparatus for conveying and break spinning fibers The invention is employed to convey and break spin fibers and involves a single cylindrical opening means which separates a fibrous bat into individual fibers. A suitable feeding means is operably associated with the opening means and serves to feed the f... | 12/14/1976 |
| 3994120 | Apparatus for production of yarn from natural and chemical fibres Apparatus for production of yarn from natural or chemical fibres comprising a fixed annular chamber having opposite ends with a closure member at one of the ends having a duct therein for discharge of yarn. A suction pipe is introduced into the chamber at... | 11/30/1976 |
| 3948031 | Duct for feeding fibers to a pneumatic spinning chamber having a stationary whirl A duct for feeding fibres to a spinning chamber operating in accordance with the method of pneumatic spinning in a stationary whirl. As it is seen in the drawing the area of outlet 6 of duct designed for feeding of loose fibres in a stream of air from a fibre ... | 04/06/1976 |