US4272310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a bonded structure of magnet wire
Assignee: Von Roll Isola USA Inc
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Filing: 1979-10-16
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Granted: 1981-06-09
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Expires: 1999-10-16
Abstract
Abstract In a novel method of forming a stator, armature, coil, etc., the steps of bonding a structure of magnet wire by applying a coating of reactive spooling oil to the length of magnet wire, followed by forming the magnet wire into a coil about an armature, making an open coil, or inserting the latter into a slot section of the core of a stator, and heating the magnet wire until the coating is converted to a hard adhesive thereby permanently forming the bonded structure of magnet wire.
Inventors
- 👤 Charles D. Dudgeon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:54
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/12; H01; H01F; H01F41/00; H01F41/02; H01F41/04; Y; Y10; Y10S; Y10S428/00; Y10S428/90; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
76 words
In a method of making a bonded structure of magnet wire, the steps comprising: applying a dual-purpose coating of reactive and lubricating spooling oil mixture to a length of unlubricated magnet wire; forming the magnet wire into a coil, with the continguous turns of the magnet wire being in abutting relationship; and heating said coil of magnet wire whereby said coating is converted to a hard adhesive for bonding together the contiguous turns of said coil.
Claim 2
Dependent Claim
76 words
In a method of making a bonded structure of magnet wire, the steps comprising: applying a dual-purpose coating of reactive and lubricating spooling oil mixture to a length of unlubricated magnet wire; forming the magnet wire into a coil, with the continguous turns of the magnet wire being in abutting relationship; and heating said coil of magnet wire whereby said coating is converted to a hard adhesive for bonding together the contiguous turns of said coil.
Claim 3
Dependent Claim
37 words
A method of making a bonded structure of magnet wire as in claim 1 wherein said reactive spooling oil is wiped onto the length of magnet wire to apply a thin film of oil on said wire.
Claim 4
Dependent Claim
25 words
A method of making a bonded structure of magnet wire as in claim 1 wherein said magnet wire is heated by a resistance heating process.
Claim 5
Dependent Claim
25 words
A method of making a bonded structure of magnet wire as in claim 1 wherein said reactive spooling oil is a mixture including cycloaliphatic epoxy.
Claim 6
Dependent Claim
25 words
A method of making a bonded structure of magnet wire as in claim 1 wherein said reactive spooling oil is a mixture including melamine resin.
Claim 7
Dependent Claim
41 words
A method of making a bonded structure of magnet wire as in claim 4 wherein said reactive spooling oil is a mixture having, in proportion; by weight, approximately 87% cycloaliphatic epoxy, approximately 9% butyrolactone, and approximately 4% BF 3 monoethyl amine.
Claim 8
Dependent Claim
46 words
A method of making a bonded structure of magnet wire as in claim 6 wherein said coated magnet wire is baked in an oven at a temperature of approximately 170° C. for a period of approximately two hours for forming said bonded structure of magnet wire.
Claim 9
Dependent Claim
38 words
A method of making a bonded structure of magnet wire as in claim 5, wherein said reactive spooling oil mixture has in proportion by weight approximately 89.5% melamine resin, approximately 10% water, and approximately 0.5% p-toluene sulfonic acid.
Claim 10
Dependent Claim
45 words
A method of making a bonded structure of magnet wire as in claim 8 wherein said coated magnet wire is resistance heated at a temperature of approximately 220° C.-230° C. for a period of approximately 10-15 seconds to form the bonded structure of magnet wire.
Claim 11
Dependent Claim
94 words
In a method of making a bonded structure of magnet wire, the steps comprising: applying a dual-purpose coating of reactive and lubricating spooling oil mixture onto a length of unlubricated magnet wire; forming the magnet wire into a coil, with the contiguous turns of the magnet wire being in abutting relationship; and heating said coil of magnet wire whereby said coating is converted to a hard adhesive for bonding together the contiguous turns of said coil, said reactive spooling oil mixture including the epoxy resin compound 3,4-epoxycyclohexylmethyl(3,4-epoxy)cyclohexane carboxylate, or the melamine resin compound hexamethoxymethylmelamine.
Claim 12
Dependent Claim
94 words
In a method of making a bonded structure of magnet wire, the steps comprising: applying a dual-purpose coating of reactive and lubricating spooling oil mixture onto a length of unlubricated magnet wire; forming the magnet wire into a coil, with the contiguous turns of the magnet wire being in abutting relationship; and heating said coil of magnet wire whereby said coating is converted to a hard adhesive for bonding together the contiguous turns of said coil, said reactive spooling oil mixture including the epoxy resin compound 3,4-epoxycyclohexylmethyl(3,4-epoxy)cyclohexane carboxylate, or the melamine resin compound hexamethoxymethylmelamine.
Claim 13
Dependent Claim
23 words
A method of making a bonded structure of magnet wire as in claim 10 wherein said reactive spooling oil mixture includes 3,4-epoxycyclohexylmethyl(3,4-epoxy)cyclohexane carboxylate.
Claim 14
Dependent Claim
22 words
A method of making a bonded structure of magnet wire as in claim 10 wherein said reactive spooling oil mixture includes hexamethoxymethylmelamine.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-06-08 | 1984-12-08 | 1985-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-06-08 | 1988-12-08 | 1989-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-06-08 | 1992-12-08 | 1993-06-09 | $7700.00 | Window Closed / Lapsed |