US5046673A — Controlled programmable electronic winding

Claim 1

Independent Claim 110 words

A method for winding yarn, comprising the steps of: providing a length of yarn; and winding said length of yarn in a package having multiple layers of yarn wrap the winding step including a step of starting the winding at a first low tension in order to achieve low density and then programmably variably progressively increasing the tension on the yarn during the winding step from the innermost layers to outermost layers radially of the yarn package according to a predetermined sequence to obtain a progressively higher yarn density profile radially outward from the core to produce an improved package geometry in a yarn package with a variable density profile.

Claim 2

Independent Claim 110 words

A method for winding yarn, comprising the steps of: providing a length of yarn; and winding said length of yarn in a package having multiple layers of yarn wrap the winding step including a step of starting the winding at a first low tension in order to achieve low density and then programmably variably progressively increasing the tension on the yarn during the winding step from the innermost layers to outermost layers radially of the yarn package according to a predetermined sequence to obtain a progressively higher yarn density profile radially outward from the core to produce an improved package geometry in a yarn package with a variable density profile.

Claim 3

Dependent Claim 42 words

The method as set forth in claim 1 further comprising the step of programmably variably increasing the tension on the yarn during winding by providing an electronically-controlled, programmed apparatus which provides progressively increased programmed tension to the length of yarn during winding.

Claim 4

Dependent Claim 44 words

The method as set forth in claim 2 wherein the step of programmably variably increasing the tension on the yarn during winding is carried out by providing a programmed tension as a function of time and magnitude to the length of yarn during winding.

Claim 5

Dependent Claim 41 words

The method as set forth in claim 3 wherein the step of winding further includes a step of winding a yarn package having a variable density profile which varies as a function of the control signals applied to said electromagnetic tensioner.

Claim 6

Dependent Claim 64 words

The method as set forth in claim 2, further comprising the step of progressively increasing the tension on the yarn by providing an apparatus which includes an electromagnetic tensioner in circuit with a variable source of control signals for controlling the apparatus and controlling said apparatus to vary the tension on the yarn for predetermined times during winding in accordance with the control signals.

Claim 7

Dependent Claim 33 words

The method as set forth in claim 5, wherein the step of increasing the tension includes the step of providing a source of variable signals as the control signals to said electromagnetic tensioner.

Claim 8

Dependent Claim 57 words

The method as set forth in claim 6, wherein the step of increasing includes a step of providing the density profile with a least dense region nearest the core, a more dense region intermediate the core and an outer diameter of the yarn package, and a most dense region nearest the outer diameter of the yarn package.

Claim 9

Dependent Claim 36 words

The method as set forth in claim 2 wherein the step of increasing includes a step of varying the density of the yarn package in a direct relationship with the signal applied to said electronically-controlled apparatus.

Claim 10

Dependent Claim 42 words

The method a set forth in claim 1 wherein the step of winding further includes a step of winding a yarn package having a variable density profile which varies as a function of the radius of the packaged yarn from a core.

Claim 11

Dependent Claim 40 words

The method as set forth in claim 9 wherein the step of increasing further comprises the step of varying the density of the yarn package in a direct relationship with the tension applied to said length of yarn during packaging.

Claim 12

Independent Claim 139 words

An apparatus for winding yarn, comprising: means for winding a length of yarn from a source of yarn to be wound in a package having multiple layers of yarn wraps; tensioning means for starting the winding at a first low tension in order to achieve low density and then continuously tensioning said length of yarn while winding same by variably progressively increasing tension produced by said tensioning means from the innermost layers to outermost layers radially of the yarn package with a programmed control signal for varying said tension in accordance with said signal, said tensioning means including an electrical apparatus variably responsive to a control signal applied thereto to provide a variable tension in response to said control signal, whereby a wound yarn package having a variable progressively higher density profile radially outward from the core is produced.

Claim 13

Independent Claim 139 words

An apparatus for winding yarn, comprising: means for winding a length of yarn from a source of yarn to be wound in a package having multiple layers of yarn wraps; tensioning means for starting the winding at a first low tension in order to achieve low density and then continuously tensioning said length of yarn while winding same by variably progressively increasing tension produced by said tensioning means from the innermost layers to outermost layers radially of the yarn package with a programmed control signal for varying said tension in accordance with said signal, said tensioning means including an electrical apparatus variably responsive to a control signal applied thereto to provide a variable tension in response to said control signal, whereby a wound yarn package having a variable progressively higher density profile radially outward from the core is produced.

Claim 14

Dependent Claim 38 words

The apparatus as set forth in claim 11 wherein said electrical apparatus is an electromagnetic tensioner which provides a tension on said yarn during winding which varies in accordance with said control signal applied to said electromagnetic tensioner.

Claim 15

Dependent Claim 51 words

The apparatus as set forth in claim 11 wherein said electrical apparatus includes a programmed source of control signals for providing a programmed control signal at predetermined magnitudes for predetermined times, thus to produce a wound yarn package having a variable density profile which varies in accordance with said control signal.

Claim 16

Dependent Claim 27 words

The apparatus as set forth in claim 13 wherein said control signal is a voltage signal applied to said electromagnetic tensioner for predetermined times at predetermined magnitudes.

Claim 17

Dependent Claim 72 words

A package of tensioned yarn comprising: a core; and yarn wrapped on said core in a plurality of layers of yarn wraps on said core and having a progressively increasing tension profile from a low tension at the innermost layers to a higher tension at outermost layers of the yarn package radially outward from the core to result in a higher density for the inner to the outer layers on said core.

Claim 18

Dependent Claim 72 words

A package of tensioned yarn comprising: a core; and yarn wrapped on said core in a plurality of layers of yarn wraps on said core and having a progressively increasing tension profile from a low tension at the innermost layers to a higher tension at outermost layers of the yarn package radially outward from the core to result in a higher density for the inner to the outer layers on said core.

Claim 19

Dependent Claim 23 words

The package as set forth in claim 15, wherein said core is perforated to be suitable for dyeing said yarn in said core.

Claim 20

Dependent Claim 14 words

The package as set forth in claim 15, wherein said yarn is spun yarn.

Claim 21

Dependent Claim 96 words

A package of tensioned yarn comprising: a core; and yarn wrapped in a plurality of layers of yarn wraps on said core, said yarn in a first layer near said core having a lower tension and a lower density and a smaller package diameter and said yarn having a progressively increasing tension from the innermost layers to outermost layers radially on the yarn package and a progressively increasing density profile radially outward from the core and said yarn in a second layer radially outward from said first layer having higher density and a greater package diameter.

Claim 22

Dependent Claim 96 words

A package of tensioned yarn comprising: a core; and yarn wrapped in a plurality of layers of yarn wraps on said core, said yarn in a first layer near said core having a lower tension and a lower density and a smaller package diameter and said yarn having a progressively increasing tension from the innermost layers to outermost layers radially on the yarn package and a progressively increasing density profile radially outward from the core and said yarn in a second layer radially outward from said first layer having higher density and a greater package diameter.

Claim 23

Dependent Claim 29 words

A package of tensioned yarn as set forth in claim 18, wherein said yarn has said progressively higher tension substantially continuously in the entire package from said first layer.

Claim 24

Independent Claim 85 words

A method for winding yarn comprising the steps of: initiating winding of a yarn into a plurality of layers of yarn wraps on said core and into a yarn package with a predetermined yarn tension; and continuously and/or progressively increasing the tension in the yarn from the innermost layers to the outermost layers radially of the yarn package during substantially the entire winding of the yarn into the yarn package whereby the yarn package has a progressively increasing density profile radially outward from said core.

Claim 25

Independent Claim 85 words

A method for winding yarn comprising the steps of: initiating winding of a yarn into a plurality of layers of yarn wraps on said core and into a yarn package with a predetermined yarn tension; and continuously and/or progressively increasing the tension in the yarn from the innermost layers to the outermost layers radially of the yarn package during substantially the entire winding of the yarn into the yarn package whereby the yarn package has a progressively increasing density profile radially outward from said core.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1994-09-09	1995-03-11	1995-09-10	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1998-09-09	1999-03-11	1999-09-10	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2002-09-09	2003-03-11	2003-09-10	$7700.00	Window Closed / Lapsed

Controlled programmable electronic winding

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