← Back to Patent Explorer
US3843072A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of and apparatus for coiling wire

Assignee: AT&T Inc
•
Filing: 1973-12-04
•
Granted: 1974-10-22
•
Expires: 1993-12-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A high speed wire coiler is provided in which a rotating laying tube distributes a rapidly moving strand of wire into a stationary coil. This is accomplished by configuring the laying tube so that the wire emerges therefrom with zero velocity and acceleration in each of three orthogonal directions, unnecessary accelerations on the wire as it moves along the laying tube are eliminated, and centrifugal force on the wire due to the rotation of the tube as the wire passes through the tube is eliminated.

Inventors

  • 👤 W Rayfield

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 01:10
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/02; B21C47/10; B21C47/14; B21C47/143

Claims Analysis

Total Claims: 22
Claim 1
Independent Claim 176 words
Apparatus for continuously coiling wire having an initial axial velocity into a circular coil of predetermined radius, said apparatus comprising: a. a laying tube having an inlet end adapted to receive the moving wire and an outlet end adapted to discharge the wire in the form of a circular coil; b. means to rotate said laying tube about an axis of rotation aligned with the longitudinal axis of the laying tube through the inlet end thereof and in such direction that the outlet end of the laying tube trails the body of the laying tube; c. the longitudinal axis of the laying tube through the outlet end thereof lying in a plane perpendicular to the axis of rotation of the laying tube and being tangent to a circle having its center lying on said axis of rotation and with radius equal to the distance between said axis of rotation and The longitudinal axis of the laying tube through the outlet end thereof, the radius of said circle being equal to the radius of said circular coil.
Claim 2
Dependent Claim 176 words
Apparatus for continuously coiling wire having an initial axial velocity into a circular coil of predetermined radius, said apparatus comprising: a. a laying tube having an inlet end adapted to receive the moving wire and an outlet end adapted to discharge the wire in the form of a circular coil; b. means to rotate said laying tube about an axis of rotation aligned with the longitudinal axis of the laying tube through the inlet end thereof and in such direction that the outlet end of the laying tube trails the body of the laying tube; c. the longitudinal axis of the laying tube through the outlet end thereof lying in a plane perpendicular to the axis of rotation of the laying tube and being tangent to a circle having its center lying on said axis of rotation and with radius equal to the distance between said axis of rotation and The longitudinal axis of the laying tube through the outlet end thereof, the radius of said circle being equal to the radius of said circular coil.
Claim 3
Dependent Claim 75 words
Apparatus as in claim 1, wherein: d. the laying tube is configured between its inlet end and its outlet end in such manner that the projection on a plane perpendicular to the axis of rotation of the laying tube of the locus of a point on the wire passing through said laying tube from the inlet end to the outlet end thereof is linear and along a radius extending from the said axis of rotation.
Claim 4
Dependent Claim 46 words
Apparatus as in claim 1, wherein: d. the longitudinal axis of the laying tube is the locus of points between the inlet and outlet ends thereof according to the formulas: i. r (R/2 pi ) (2 pi n - sin 2 pi n) ii. theta nS/R
Claim 5
Dependent Claim 30 words
Apparatus as in claim 1, wherein: d. the length of the laying tube along its longitudinal axis is greater than 2.532 R where R is the radius of the coil.
Claim 6
Dependent Claim 192 words
Apparatus for continuously coiling wire having an initial axial velocity into a stationary circular coil of predetermined radius, said apparatus comprising: a. a laying tube having an inlet end adapted to receive the moving wire and an outlet end adapted to discharge the wire in the form of a stationary circular coil, the longitudinal axis of the laying tube through the inlet end thereof being vertical and aligned with the longitudinal axis of the wire received thereby; b. means to rotate said laying tube about a vertical axis of rotation aligned with the longitudinal axis of the laying tube through the inlet end thereof and in such direction that the outlet end of the laying tube trails the body of the laying tube; c. the longitudinal axis of the laying tube through the outlet end thereof being horizontal and tangent to a circle having its center lying on said axis of rotation and with radius equal to the distance between said axis of rotation and the longitudinal axis of the laying tube through the outlet end thereof, the radius of said circle being equal to the radius of said stationary circular coil.
Claim 7
Dependent Claim 192 words
Apparatus for continuously coiling wire having an initial axial velocity into a stationary circular coil of predetermined radius, said apparatus comprising: a. a laying tube having an inlet end adapted to receive the moving wire and an outlet end adapted to discharge the wire in the form of a stationary circular coil, the longitudinal axis of the laying tube through the inlet end thereof being vertical and aligned with the longitudinal axis of the wire received thereby; b. means to rotate said laying tube about a vertical axis of rotation aligned with the longitudinal axis of the laying tube through the inlet end thereof and in such direction that the outlet end of the laying tube trails the body of the laying tube; c. the longitudinal axis of the laying tube through the outlet end thereof being horizontal and tangent to a circle having its center lying on said axis of rotation and with radius equal to the distance between said axis of rotation and the longitudinal axis of the laying tube through the outlet end thereof, the radius of said circle being equal to the radius of said stationary circular coil.
Claim 8
Dependent Claim 66 words
Apparatus as in claim 5, wherein: d. the laying tube is configured between its inlet end and its outlet end in such manner that the projection on a horizontal plane of the locus of a point on the wire passing through said laying tube from the inlet end to the outlet end thereof is linear and along a radius extending from the said axis of rotation.
Claim 9
Dependent Claim 45 words
Apparatus as in claim 5, wherein: d. the longitudinal axis of the laying tube is the locus of points between the inlet and outlet ends thereof according to the formulas: i. r (R/2 pi ) (2 pi n- sin 2 pi n) ii. theta nS/R
Claim 10
Dependent Claim 30 words
Apparatus as in claim 5, wherein: d. the length of the laying tube along its longitudinal axis is greater than 2.532 R where R is the radius of the coil.
Claim 11
Dependent Claim 191 words
Method for continuously coiling wire having an initial axial velocity into a circular coil of predetermined radius, said method comprising: a. conducting said wire along a path having an inlet end adapted to receive said wire and an outlet end; b. rotating said path about an axis of rotation aligned with the longitudinal axis of said path through the inlet end thereof, in such direction that the outlet end of the path trails the body of the path, and with such angular velocity that the velocity of the outlet end of the path is equal to but opposite in direction to the velocity of the wire exiting said outlet end relative to said outlet end; c. discharging said wire from the outlet end of said path in a plane perpendicular to the axis of rotation of said path and tangent to a circle having its center lying on said axis of rotation and with radius equal to the distance between said axis of rotation and the longitudinal axis of said path through the outlet end thereof, thereby to form said coil having a radius equal to the radius of said circle.
Claim 12
Dependent Claim 191 words
Method for continuously coiling wire having an initial axial velocity into a circular coil of predetermined radius, said method comprising: a. conducting said wire along a path having an inlet end adapted to receive said wire and an outlet end; b. rotating said path about an axis of rotation aligned with the longitudinal axis of said path through the inlet end thereof, in such direction that the outlet end of the path trails the body of the path, and with such angular velocity that the velocity of the outlet end of the path is equal to but opposite in direction to the velocity of the wire exiting said outlet end relative to said outlet end; c. discharging said wire from the outlet end of said path in a plane perpendicular to the axis of rotation of said path and tangent to a circle having its center lying on said axis of rotation and with radius equal to the distance between said axis of rotation and the longitudinal axis of said path through the outlet end thereof, thereby to form said coil having a radius equal to the radius of said circle.
Claim 13
Dependent Claim 88 words
Method as in claim 9, wherein: d. in performing steps a and b said path is configured between its inlet end and its outlet end in such manner that the projection on a plane perpendicular to the axis of rotation of said path of the locus of a point on the wire passing along said path from the inlet end to the outlet end thereof during rotation of said path about said axis of rotation is linear and along a radius extending from the said axis of rotation.
Claim 14
Dependent Claim 50 words
Method as in claim 9, wherein: d. in performing step a, the wire is conducted along a path having a configuration at rest between the inlet and outlet ends thereof determined by the following formulas: i. r (R/2 pi )(2 pi n - sin 2 pi n) ii. theta nS/R
Claim 15
Dependent Claim 34 words
Method as in claim 9, wherein: d. in performing step a said path is configured with a length along its longitudinal axis greater than 2.532 R where R is the radius of the coil.
Claim 16
Dependent Claim 204 words
Method for continuously coiling wiRe having an initial axial velocity into a stationary circular coil of predetermined radius, said method comprising: a. conducting said wire along a path having an inlet end adapted to receive said wire and an outlet end; b. rotating said path about a vertical axis of rotation aligned with the longitudinal axis of said path through the inlet end thereof, in such direction that the outlet end of the path trails the body of the path, and with such angular velocity that the velocity of the outlet end of the path is equal to but opposite in direction to the velocity of the wire exiting said outlet end relative to said outlet end; c. discharging said wire from the outlet end of the path in a horizontal plane and tangent to a circle having its center lying on said axis of rotation and with radius equal to the distance between said axis of rotation and the longitudinal axis of said path through the outlet end thereof; d. said wire exiting the outlet end of said path dropping from said outlet end under the influence of gravity to form a stationary coil of radius equal to the radius of said circle.
Claim 17
Dependent Claim 204 words
Method for continuously coiling wiRe having an initial axial velocity into a stationary circular coil of predetermined radius, said method comprising: a. conducting said wire along a path having an inlet end adapted to receive said wire and an outlet end; b. rotating said path about a vertical axis of rotation aligned with the longitudinal axis of said path through the inlet end thereof, in such direction that the outlet end of the path trails the body of the path, and with such angular velocity that the velocity of the outlet end of the path is equal to but opposite in direction to the velocity of the wire exiting said outlet end relative to said outlet end; c. discharging said wire from the outlet end of the path in a horizontal plane and tangent to a circle having its center lying on said axis of rotation and with radius equal to the distance between said axis of rotation and the longitudinal axis of said path through the outlet end thereof; d. said wire exiting the outlet end of said path dropping from said outlet end under the influence of gravity to form a stationary coil of radius equal to the radius of said circle.
Claim 18
Dependent Claim 80 words
Method as in claim 13, wherein: e. in performing steps a and b said path is configured between its inlet end and its outlet end in such manner that the projection on a horizontal plane of the locus of a point on the wire passing along said path from the inlet end to the outlet end thereof during rotation of said path about said axis of rotation is linear and along a radius extending from the said axis of rotation.
Claim 19
Dependent Claim 51 words
Method as in claim 13, wherein: e. in performing step a, the wire is conducted along a path having a configuration at rest between the inlet and outlet ends thereof determined by the following formulas: i r (R/2 pi ) (2 pi n - sin 2 pi n) ii. theta R/S
Claim 20
Dependent Claim 34 words
Method as in claim 13, wherein: e. in performing step a said path is configured with a length along its longitudinal axis greater than 2.532 R where R is the radius of the coil.
Claim 21
Dependent Claim 58 words
Apparatus as in claim 1, wherein said means to rotate the laying tube is adapted to rotate the said laying tube at such angular velocity that the velocity of the outlet end of the laying tube is equal to but opposite in direction to the velocity of the wire exiting said outlet end relative to said outlet end.
Claim 22
Dependent Claim 58 words
Apparatus as in claim 5, wherein said means to rotate the laying tube is adapted to rotate the said laying tube at such angular velocity that the velocity of the outlet end of the laying tube is equal to but opposite in direction to the velocity of the wire exiting said outlet and relative to said outlet end.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-10-21 1978-04-22 1978-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-10-21 1982-04-22 1982-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-10-21 1986-04-22 1986-10-22 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag