| Patent Number |
Title Of Patent |
Date Issued |
| RE31839 |
Bobbin transport apparatus and method |
February 26, 1985 |
| A bobbin transport apparatus and method is provided which is adapted for use with a textile yarn processing machine having a plurality of yarn winding stations along at least one side thereof. The transport apparatus includes a movable carriage having a mandrel for receiving the full |
| RE29959 |
Simultaneous production of plurality of filament winding packages |
April 10, 1979 |
| Simultaneous production of a large number of winding packages of filaments of flat, round or profiled cross section by apparatus including extrusion devices, at least one cooling device, guide means, after-treatment devices (stretching, heating, etc.) and winding devices. |
| 6024320 |
Yarn traversing mechanism for winding apparatus |
February 15, 2000 |
| A winding apparatus for winding a continuously advancing yarn to a package. In this process, the yarn is reciprocated by means of a rotary blade type traversing apparatus along a predetermined traverse stroke. In so doing, the yarn is alternately guided within the traverse stroke along a |
| 6012912 |
Apparatus for spinning a synthetic yarn |
January 11, 2000 |
| An apparatus for spinning, drawing, and winding a synthetic filament yarn, wherein the yarn is subjected during its drawing in a draw zone to a multi-stage heat treatment by heated surfaces. In the first heat treatment, the yarn is heated to the range of the glass transition temperat |
| 5928587 |
Process and apparatus for cooling melt spun filaments during formation of a multi-filament yarn |
July 27, 1999 |
| A process and apparatus for cooling freshly spun polymeric filaments as part of the formation of a multi-filament yarn, wherein the filaments are passed serially through a first cooling zone, a heating zone, and a second cooling zone. The resulting filaments have an improved elongation a |
| 5922362 |
Spin beam for spinning a plurality of synthetic filament yarns and spinning machine comprising s |
July 13, 1999 |
| The invention relates to a spin beam (1) for spinning a plurality of synthetic filament yarns and a spinning machine comprising a spin beam (1) of this type. The spin beam (1) consists of an elongate rectangular solid, which is filled with a heating medium, and the underside of which mou |
| 5783127 |
Method for spinning a synthetic yarn |
July 21, 1998 |
| A method and apparatus for spinning, drawing, and winding a synthetic filament yarn, wherein the yarn is subjected during its drawing in a draw zone to a multi-stage heat treatment by heated surfaces. In the first heat treatment, the yarn is heated to the range of the glass transition |
| 5760374 |
Heating apparatus for an advancing yarn |
June 2, 1998 |
| An apparatus for heating an advancing thermoplastic yarn led over heating ridges along a heated surface. An essential feature of the invention is that the heating ridges can be maintained at a temperature as high as that of the heating surface, in particular at a temperature sufficient f |
| 5698146 |
Method and apparatus for spinning a synthetic multi-filament yarn |
December 16, 1997 |
| A method and apparatus for spinning, drawing and winding a synthetic multi-filament yarn, wherein the yarn is subjected after drawing and prior to winding to a heat treatment for purposes of reducing its shrinkage tendency. In the heat treatment, the yarn advances along an elongated |
| 5661880 |
Method and apparatus for producing a multifilament yarn by a spin-draw process |
September 2, 1997 |
| A method and apparatus for producing a multifilament yarn by a melt spinning-draw process, and which includes applying additional heat to the melt in the region of the spinneret. The relationship between the withdrawal speed and draw ratio may be changed, and with an adaptation of ot |
| 5660343 |
Method of marking the end of a yarn wound on a package and apparatus for carrying out the method |
August 26, 1997 |
| This invention relates to marking the yarn end of a package, which is wound at the end of a winding cycle over a narrow axial range of the package surface in the form of a yarn bead. For purposes of marking the yarn end (105) of the package (103), a marking strip (126) is used, over whic |
| 5644908 |
Yarn false twist crimping apparatus |
July 8, 1997 |
| A yarn false twist crimping machine which comprises a processing frame which mounts the yarn processing components, a creel for mounting the yarn packages, and a take-up frame which is laterally spaced from the processing frame on the side thereof opposite the creel so as to define an |
| 5578231 |
Heater for an advancing yarn |
November 26, 1996 |
| A heater (1) for an advancing thermoplastic yarn which is guided along a heated surface over ring segments (2). The flow of heat to the yarn is adjustable by changing the geometric parameters of the heat transfer. |
| 5552097 |
Method and apparatus for heating a synthetic filament yarn |
September 3, 1996 |
| A method and an apparatus for heating and drawing a synthetic filament yarn, and wherein the yarn receives a film of water by wetting with heated water vapor before entering into a heating chamber and so that the water vapor initially condenses on the yarn as it enters the heating chambe |
| 5343601 |
Yarn spinning method with high-speed winding |
September 6, 1994 |
| A method of processing an endless synthetic yarn is disclosed, wherein the yarn is withdrawn from a spinneret, and advanced into contact with a feed system which is operated under conditions which produce slippage between the feed system and the advancing yarn. As a result, a constant fr |
| 5016829 |
Takeup machine |
May 21, 1991 |
| A winding apparatus is disclosed which includes a rotatable revolver having a pair of spindles mounted thereon, with the spindles being adapted to coaxially mount one or more bobbin tubes. Upon rotation of the revolver, the spindles are moved between a winding position and a doffing posi |
| 4973007 |
Yarn traversing system |
November 27, 1990 |
| A yarn traversing apparatus is disclosed which is adapted for guiding a running yarn onto a rotating core to form a core supported package. The apparatus includes a slide mounting a yarn guide, and a conveyor belt having parallel runs for reciprocating the slide. More particularly, the |
| 4911370 |
Method and apparatus for winding yarn |
March 27, 1990 |
| A method and apparatus for winding a textile yarn into a cross-wound package is disclosed, in which the yarn is wound about the package at a substantially constant rate while the yarn is guided onto the package by a traversing guide. In order to avoid the formation of ribbons on the |
| 4902461 |
Method for heating an advancing yarn |
February 20, 1990 |
| A heating tube is adapted for use in a melt spinning process for producing a highly oriented yarn wherein an elongated heating tube having provision for adjusting the effective heating length in accordance with pre-existing yarn properties and so as to achieve the desired properties in t |
| 4798347 |
Method for winding filament yarns |
January 17, 1989 |
| A yarn winding method is disclosed wherein the yarn is wound onto a supporting tubular core by a traversing yarn guide. During the initial portion of the winding process, the yarn is wound in a random wind process, and during the subsequent portion of the winding process the yarn is |
| 4789112 |
Yarn winding method and resulting package |
December 6, 1988 |
| A yarn winding method and resulting yarn package are disclosed, and wherein the yarn is wound onto a supporting tubular core by a traversing yarn guide and in accordance with either a random wind or a stepped precision wind. In each case, the winding is begun with the traversing speed ha |
| 4774042 |
Method for making multi-filament yarn |
September 27, 1988 |
| A method is disclosed for melt spinning man-made filaments, and wherein the filaments are formed into yarn components which are subsequently combined to form a composite yarn. The method and apparatus include provision for selectively modifying the physical properties of the yarn compone |
| 4743186 |
Melt spinning apparatus |
May 10, 1988 |
| A melt spinning apparatus is disclosed which includes a spinning nozzle for extruding a plurality of filaments from a polymeric melt, and which includes a spinning tube positioned below the nozzle for receiving the filaments. The upper end portion of the spinning tube is perforated, and |
| 4720806 |
Method and apparaus for centrally collecting measured values |
January 19, 1988 |
| A method and apparatus to centrally collect measured values of a variable parameter from each of a plurality of work stations, and so as to facilitate quality control. Each work stations includes a sensor for generating an output signal which is a function of the variable parameter, |
| 4698959 |
Apparatus for twisting multifilament yarn |
October 13, 1987 |
| A yarn twisting apparatus is disclosed wherein a single endless belt is entrained upon first and second roller means. At least one of the roller means is rotatably driven, so that the belt segments which extend between the roller means cross in opposing face-to-face relation at a locatio |
| 4697753 |
Stepped precision winding process |
October 6, 1987 |
| The invention provides an improved method for winding synthetic yarns and wherein the yarn is wound about a core at a substantially constant rate while the yarn is guided onto the core by a traversing yarn guide. The speed of the traversing yarn guide is proportional to the rotation of t |
| 4659027 |
Method and apparatus for winding textile yarns |
April 21, 1987 |
| A method and apparatus for winding textile yarns into core supported packages is disclosed, and which is characterized by the ability to produce relatively large packages which are adapted to permit a high speed unwinding by withdrawal of the yarn over one end of the package. The met |
| 4648810 |
Control apparatus for a positive displacement reciprocating pump |
March 10, 1987 |
| A positive displacement reciprocating pump for conveying a liquid or gaseous fluid is disclosed and which comprises a fluid enclosure having a movable piston means mounted therein which sealably divides the enclosure into a pumping chamber on one side and an actuating chamber on the othe |
| 4646983 |
Yarn traversing apparatus |
March 3, 1987 |
| A yarn traversing apparatus is disclosed, which is adapted for use in winding a running yarn to form a cross wound package. The traversing apparatus includes a yarn guide bar, and a pair of oppositely rotating rotors, and the rotors include radiating arms which define two closely adj |
| 4638955 |
Yarn handling apparatus for winding machine |
January 27, 1987 |
| A yarn handling apparatus is disclosed for a textile yarn winding machine of the type having a plurality of side by side winding positions extending along the length of the machine. A separate yarn handling apparatus is associated with each winding position, and each handling apparatus |
| 4629137 |
Yarn sensor |
December 16, 1986 |
| A pneumatic sensor is provided for detecting and indicating the tension in running strand material, such as yarn, wire and the like. A source of compressed air is connected to an air escape nozzle having an outlet opening in one end thereof and a closing member is supported adjacent the |
| 4585181 |
Yarn traverse apparatus |
April 29, 1986 |
| A yarn traverse apparatus is disclosed for winding a running yarn onto a rotating package, and which includes a first traverse means comprising a guide rail, and a pair of oppositely rotating arms mounted for rotation about closely adjacent parallel, or coaxial axes. A second traverse me |
| 4561603 |
Yarn traverse apparatus and method |
December 31, 1985 |
| A yarn traverse apparatus and method are disclosed for winding a running yarn onto a rotating package, and wherein at each end portion of the traverse stroke there is provided a guide rail, and a pair of oppositely rotating arms mounted for rotation about closely adjacent parallel, or |
| 4561602 |
Method and apparatus for facilitating doffing of a yarn processing machine |
December 31, 1985 |
| A method and apparatus for continuously removing waste yarn during doffing of a textile yarn processing machine is disclosed, which includes a mobile carriage which is adapted to move to a position adjacent a winding station to be doffed. The carriage mounts a waste yarn take-up spool, a |
| 4523901 |
Control apparatus for a positive displacement reciprocating pump |
June 18, 1985 |
| A positive displacement reciprocating pump for conveying a liquid or gaseous fluid is disclosed and which comprises a fluid enclosure having a movable piston means mounted therein which sealably divides the enclosure into a pumping chamber on one side and an actuating chamber on the othe |
| 4505437 |
Apparatus for winding a plurality of yarns |
March 19, 1985 |
| A yarn winding apparatus is disclosed which is characterized by the ability to wind a plurality of running yarns onto a corresponding number of bobbins mounted on a common support spindle, and wherein the bobbins may be closely spaced apart to thereby permit the required length of the |
| 4505436 |
Yarn winding apparatus |
March 19, 1985 |
| A yarn winding apparatus is disclosed which is characterized by the ability to wind a plurality of running yarns onto a corresponding number of bobbins mounted on a common support spindle, and wherein the bobbins may be closely spaced apart to thereby permit the required length of the |
| 4504021 |
Ribbon free wound yarn package and method and apparatus for producing the same |
March 12, 1985 |
| A method and apparatus for producing a ribbon free randomly wound yarn package is disclosed, and wherein a plurality of critical winding ratios at which undesirable pattern formations or ribbons would normally occur are determined and stored in a microprocessor control unit. During the |
| 4478562 |
Oil lubrication of vacuum pump with pulsating oil feed |
October 23, 1984 |
| A method and apparatus for lubricating a vacuum pump, preferably a rotary vane vacuum pump, wherein the pump rotor is mounted on a hollow drive shaft continuously fed with a lubricating oil stream under excess pressure from an oil pump, radial openings being provided in the hollow shaft |
| 4424664 |
Friction false twist apparatus |
January 10, 1984 |
| A yarn false twisting apparatus is disclosed which comprises a pair of circular discs which are mounted for rotation about spaced apart axes, and such that portions of the surfaces are disposed in opposing face to face relation and define a twisting zone therebetween. In the operative |
| 4408449 |
Friction false twisting apparatus |
October 11, 1983 |
| A yarn false twisting apparatus is disclosed which comprises a pair of circular discs which are mounted for rotation about generally parallel spaced apart axes, and such that portions of the surfaces are disposed in opposing face to face relation and define a twisting zone therebetween. |
| 4408377 |
Stuffing chamber texturizing process |
October 11, 1983 |
| A process for stuffer box crimping of a yarn of synthetic thermoplastic filaments wherein the discharge resistance on the yarn plug formed in the stuffing chamber is increased or reduced in response to a continuously measured value of advancing pressure of the yarn plug within the stuffi |
| 4376517 |
Method and apparatus for depositing yarn |
March 15, 1983 |
| A method and apparatus for depositing yarn in the form of free-falling helical windings reshaped into an elongated, closed curve configuration and laid into a spinning can with a traversing movement so that one end of the closed curve remains on the inner wall of the cam while the other |
| 4370853 |
Friction false twisting apparatus |
February 1, 1983 |
| A yarn false twisting apparatus is disclosed which comprises a pair of circular discs which are mounted for rotation about generally parallel spaced apart axes, and such that portions of the surfaces are disposed in opposing face to face relation and define a twisting zone therebetween. |
| 4364717 |
Exhaust gas turbocharger |
December 21, 1982 |
| An apparatus for turbocharging an internal combustion engine, and which is characterized by the ability to avoid excessive heat transfer to the bearings and any other heat sensitive components. In the preferred embodiment, the lubricating oil for the bearings in the turbocharger hous |
| 4351494 |
Bobbin transport apparatus and method |
September 28, 1982 |
| A bobbin transport apparatus and method is provided which is adapted for use with a textile yarn processing machine having a plurality of yarn winding stations along at least one side thereof. The transport apparatus includes a movable carriage having a mandrel for receiving the full |
| 4340187 |
Bobbin changing apparatus |
July 20, 1982 |
| A bobbin changing apparatus is provided which is adapted for use in association with a textile yarn processing machine having a plurality of winding stations, and wherein the apparatus comprises a thread operating carriage and a separate doffing carriage, which are mounted for indepe |
| 4330987 |
Multi-spindle double twist twisting machine |
May 25, 1982 |
| A multi-spindle double twist twisting machine having a spindle frame in the form of a support plate that serves as a self-supporting sub-frame mountable alternatively in either a vertical or horizontal spindle machine and on which a plurality of spindle assembly mounting means are suppor |
| 4326677 |
Monitoring circuit for high speed spindle assembly |
April 27, 1982 |
| A high speed textile spindle assembly is provided which includes a spindle adapted to support a yarn package, a spindle support housing, and bearing means rotatably mounting the spindle on the support housing and including a relatively elastic, electrically nonconductive member, and such |
| 4325517 |
Method and apparatus for winding textile yarns |
April 20, 1982 |
| A method and apparatus for winding textile yarns into core-supported packages is provided in which the formation of thickened and hardened places in the yarn packages at opposite ends thereof are avoided by a recurrent series of stroke modification cycles in which the length of trave |
