US2725847A - Apparatus for coating an elongated article of constant cross section, such as wire - Google Patents
Apparatus for coating an elongated article of constant cross section, such as wire Download PDFInfo
- Publication number
- US2725847A US2725847A US331974A US33197453A US2725847A US 2725847 A US2725847 A US 2725847A US 331974 A US331974 A US 331974A US 33197453 A US33197453 A US 33197453A US 2725847 A US2725847 A US 2725847A
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- US
- United States
- Prior art keywords
- wire
- nipple
- lacquer
- cover
- helical spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
- B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
- B05C3/12—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating work of indefinite length
- B05C3/15—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating work of indefinite length not supported on conveying means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S118/00—Coating apparatus
- Y10S118/18—Wire and cord die
Definitions
- APPARATUS FOR COATING AN ELONGATED ARTICLE OF CONSTANT CROSS SECTION SUCH AS WIRE Filed Jan. 19, 1953 Inventor? United States 2,725,847 APPARATUS FOR COATING AN ELONGATED ARTICLE OF CONSTANT CROSS SECTION, SUCH AS WIRE My invention relates to an apparatus for coating an elongated article of constant cross a viscuous material, such as lacquer.
- my invention relates to a stripping mechanism serving the purpose of stripping the surplus of the viscuous material applied to the wire before the viscuous material has hardened.
- a stripping mechanism serving the purpose of stripping the surplus of the viscuous material applied to the wire before the viscuous material has hardened.
- it is a requirement that the coat of material left on the wire will have a uniform thickness and it is the primary object of the present invention to provide improved stripping means satisfying such requirement.
- a particularly simple and reliable mechanism of this character is obtained, according to the invention, by the provision of a stripper preferably in form of a nozzle member which is carried by a resilient element mounted to extend substantially in the direction of the wire, such resilient element permitting the stripper any desired movement in a direction normal to the path of the wire.
- the resilient element may be formed, for instance, by a resilient spring rod extending parallel to the wire.
- the spring is preferably so provided and adjusted that the weight of the stripper will be compensated for, and that the axis of the stripper coincides with the axis of the wire under normal conditions.
- the resilient element is so chosen and disposed as to surround the elongated article, said resilient element having an axis normally coinciding with that of the article.
- the resilient element is a helical spring. Where the wire or other elongated article is guided in a vertical direction the helical spring may be suitably mounted on the cover of the lacquer container.
- the cover 1 of the lacquer container is provided with a hole 7 for the passage of the wire 4 therethrough in upward direction.
- the hole 7 is surrounded by a bracket formed with a horizontal flange 8 which is spaced from the cover 1 and engages a peripheral groove of a sleeve 9 which is thus held on top of the cover 1 in coaxial relationship to the hole 7.
- a helical spring 2 is mounted on the sleeve 9 in coaxial relationship thereto, its lower end resting on a collar 10 of the sleeve 9 and being secured against accidental axial disengagement therefrom by a suitable lug 11 of sleeve 9 engaging over the lowermost winding of the helical spring 2.
- the spring 2 serves the purpose of supporting a strip- ICC ping member.
- stripping member is composed of a nipple 5 fixed to the spring 2 and of a nozzle member 3 mounted within and projecting from the nipple.
- the nipple 5 comprises a lower sleeve 12 having a reduced and threaded upper end and an upper sleeve 13 screwed on sleeve 12.
- the sleeve 13 has an upper flange engaging over a collar 14 provided on the nozzle member 3.
- the top face of collar 14 and the lower face of the upper flange of sleeve 13 are formed by mating spherical seating faces which aflord liberty of relative angular adjustment to the nozzle member 3 and the nipple 5 independently of the flexion of spring 2.
- the helical spring 2 engages the reduced lower end of sleeve 12 and is held against accidental disengagement therefrom by a suitable lug 17 over which the top winding is sprung.
- the nozzle member 3 has an aperture 15 substantially coaxial to the nipple 5 alfording passage to the wire 4.
- the lower end of the aperture 15 is formed by a flaring conical bore beingthreaded at its lower end for the detachable insertion of a tubular member 6 which has an internal diameter exceeding that of the nozzle aperture 15.
- the tubular member extends downwardly through the nipple 5, the helical spring 2 and the hole 7 into the lacquer container, and its lower end is provided with a flaring mouth 16.
- the spring 2 permits the stripping membel constituted by the elements 3, 5 and 6 full liberty of lateral self-adjustment with respect to the wire 4. In this manner, a coat of uniform thickness will be produced on the wire.
- the member 3 When it is desired for operation on wire of a diiferent diameter to substitute another nozzle member for member 3 shown, the member 3 may be easily removed after sleeve 13 will have been unscrewed from sleeve 12, and upon insertion of a substitute nozzle member 3, sleeve 13 may be again fixed in place on sleeve 12.
- the tubular member 6 prevents the Wire from carrying along excessive quantities of viscuous lacquer and feeding same onto the stripping member, since such excessive quantities unless retained in the lacquer container might clog the windings of the spring adversely affecting the resiliency thereof.
- the helical spring 2 shown as having windings of the same diameter throughout its length may be given a conical shape, the diameter of the top winding differing from the diameter of the bottom winding.
- the helical spring may be replaced by any other suitable tubular resilient element, for instance by a rubber hose.
- the spring 2 may be carried by an ovehead supporting structure in suspended position carrying the stripping member at its lower end.
- an apparatus for coating wire with lacquer comprising the cover of a lacquer container, said cover being provided with a hole for the passage of wire therethrough, a helical spring, means for attaching said helical spring to'said cover in coaxial relationship to said hole, a nipple fixed to and carried by the free end of said helical spring, a nozzle member provided with a central, elongated lacquer-stripping aperture, adjustable means for supporting said nozzle member in said nipple so that said aperture is normally in substantially coaxial alignment with said nipple, said supporting means being operable to allow limited angular movement of said nozzle with respect to said nipple, and a tubular member fixed to said nozzle member and extending through said nipple, said helical spring .and .said hole .of .said cover, the internal diameter of said ,tubular member being small enough to prevent excessive amounts of lacquer from being drawn from said container, whereby fouling
- thecombination comprising the cover of a lacquer container, a hole being provided in said cover affording passage to said wire, a stripping member spaced from saidcover and provided with ,an-aperture disposed substantially coaxially to said hole for the passage of said Wire therethrough, a spring connected to said cover and to said stripping member to support the same and adapted to afford liberty of lateral self-adjustment thereto, said stripping member comprising a nipple fixed to said spring, and a nozzle member mounted within and projecting from said nipple, both beingprovided with mating spherical seatingsurfaces for affording freedom of relative angular adjustment.
- an apparatus for strip-coating an elongated article of constant cross-section with a viscuous material comprising a base member having an opening for passage of the article therethrough, a stripping device spaced from said base in the longitudinal direction of the article, .said stripping device having a central stripping orifice adapted to receive passage of the article therethrough for stripping, resilient mechanism mechanically interconnecting said stripping device and said base member for holding said device and member mutually spaced andso relatively disposed that said stripping orifice is substantially coaxial with said opening, said resilient mechanism comprising an elongated helical spring having its longitudinal axis substantially coaxial with said stripping orifice and said opening, whereby said resilient mechanism provides freedom of self-adjustment to the article being stripped, and a coaxial tubular member fixed to said stripping device and extending downwardly through said spring and base member opening, the internal diameter of said tubular member being small enough to prevent excessive amounts .of lacquer from being drawn through said opening, whereby fouling of
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- Coating Apparatus (AREA)
Description
Dec. 6, 1955 H. GRAMATKE 2,725,347
APPARATUS FOR COATING AN ELONGATED ARTICLE OF CONSTANT CROSS SECTION, SUCH AS WIRE Filed Jan. 19, 1953 Inventor? United States 2,725,847 APPARATUS FOR COATING AN ELONGATED ARTICLE OF CONSTANT CROSS SECTION, SUCH AS WIRE My invention relates to an apparatus for coating an elongated article of constant cross a viscuous material, such as lacquer.
More particularly, my invention relates to a stripping mechanism serving the purpose of stripping the surplus of the viscuous material applied to the wire before the viscuous material has hardened. In the operationof such stripping mechanism it is a requirement that the coat of material left on the wire will have a uniform thickness, and it is the primary object of the present invention to provide improved stripping means satisfying such requirement. More specifically, it is an object of the present invention to provide improved means whereby the stripping member will be so mounted as to have liberty of free lateral movement in directions normal to the path of the coated wire being thus able to follow all oscillations of the wire and all departures of the same from its normal path.
A particularly simple and reliable mechanism of this character is obtained, according to the invention, by the provision of a stripper preferably in form of a nozzle member which is carried by a resilient element mounted to extend substantially in the direction of the wire, such resilient element permitting the stripper any desired movement in a direction normal to the path of the wire.
The resilient element may be formed, for instance, by a resilient spring rod extending parallel to the wire.
section, such as wire, with Where the wire is guided to move. in a horizontal path,
the spring is preferably so provided and adjusted that the weight of the stripper will be compensated for, and that the axis of the stripper coincides with the axis of the wire under normal conditions.
In a particularly effective stripping mechanism, the resilient element is so chosen and disposed as to surround the elongated article, said resilient element having an axis normally coinciding with that of the article. Preferably, the resilient element is a helical spring. Where the wire or other elongated article is guided in a vertical direction the helical spring may be suitably mounted on the cover of the lacquer container.
In the accompanying drawing, an embodiment of the invention is shown for the purpose of illustration, the drawing showing an axial section through the stripper mechanism mounted on the cover of the lacquer container.
The cover 1 of the lacquer container is provided with a hole 7 for the passage of the wire 4 therethrough in upward direction. The hole 7 is surrounded by a bracket formed with a horizontal flange 8 which is spaced from the cover 1 and engages a peripheral groove of a sleeve 9 which is thus held on top of the cover 1 in coaxial relationship to the hole 7. A helical spring 2 is mounted on the sleeve 9 in coaxial relationship thereto, its lower end resting on a collar 10 of the sleeve 9 and being secured against accidental axial disengagement therefrom by a suitable lug 11 of sleeve 9 engaging over the lowermost winding of the helical spring 2.
The spring 2 serves the purpose of supporting a strip- ICC ping member. Preferably, such stripping member is composed of a nipple 5 fixed to the spring 2 and of a nozzle member 3 mounted within and projecting from the nipple. In the embodiment shown, the nipple 5 comprises a lower sleeve 12 having a reduced and threaded upper end and an upper sleeve 13 screwed on sleeve 12. The sleeve 13 has an upper flange engaging over a collar 14 provided on the nozzle member 3. Preferably, the top face of collar 14 and the lower face of the upper flange of sleeve 13 are formed by mating spherical seating faces which aflord liberty of relative angular adjustment to the nozzle member 3 and the nipple 5 independently of the flexion of spring 2.
The helical spring 2 engages the reduced lower end of sleeve 12 and is held against accidental disengagement therefrom by a suitable lug 17 over which the top winding is sprung. Y
The nozzle member 3 has an aperture 15 substantially coaxial to the nipple 5 alfording passage to the wire 4. The lower end of the aperture 15 is formed by a flaring conical bore beingthreaded at its lower end for the detachable insertion of a tubular member 6 which has an internal diameter exceeding that of the nozzle aperture 15. The tubular member extends downwardly through the nipple 5, the helical spring 2 and the hole 7 into the lacquer container, and its lower end is provided with a flaring mouth 16.
In operation the spring 2 permits the stripping membel constituted by the elements 3, 5 and 6 full liberty of lateral self-adjustment with respect to the wire 4. In this manner, a coat of uniform thickness will be produced on the wire.
When it is desired for operation on wire of a diiferent diameter to substitute another nozzle member for member 3 shown, the member 3 may be easily removed after sleeve 13 will have been unscrewed from sleeve 12, and upon insertion of a substitute nozzle member 3, sleeve 13 may be again fixed in place on sleeve 12.
The tubular member 6 prevents the Wire from carrying along excessive quantities of viscuous lacquer and feeding same onto the stripping member, since such excessive quantities unless retained in the lacquer container might clog the windings of the spring adversely affecting the resiliency thereof.
While I have described a preferred embodiment of my invention hereinabove, I wish it to be clearly understood that my invention is in no way limited to the details of such embodiment, but is capable of numerous modifications within the scope of the appended claims. Thus, the helical spring 2 shown as having windings of the same diameter throughout its length may be given a conical shape, the diameter of the top winding differing from the diameter of the bottom winding. The helical spring may be replaced by any other suitable tubular resilient element, for instance by a rubber hose. Moreover, the spring 2 may be carried by an ovehead supporting structure in suspended position carrying the stripping member at its lower end.
What I claim is:
1. In an apparatus for coating wire with lacquer, the combination comprising the cover of a lacquer container, said cover being provided with a hole for the passage of wire therethrough, a helical spring, means for attaching said helical spring to'said cover in coaxial relationship to said hole, a nipple fixed to and carried by the free end of said helical spring, a nozzle member provided with a central, elongated lacquer-stripping aperture, adjustable means for supporting said nozzle member in said nipple so that said aperture is normally in substantially coaxial alignment with said nipple, said supporting means being operable to allow limited angular movement of said nozzle with respect to said nipple, and a tubular member fixed to said nozzle member and extending through said nipple, said helical spring .and .said hole .of .said cover, the internal diameter of said ,tubular member being small enough to prevent excessive amounts of lacquer from being drawn from said container, whereby fouling-of said spring is prevented.
2. The combination claimed in claim 1 in which said tubular member is provided with a flaring mouth.
3. In apparatus for coating wire with lacquer, thecombination comprising the cover of a lacquer container, a hole being provided in said cover affording passage to said wire, a stripping member spaced from saidcover and provided with ,an-aperture disposed substantially coaxially to said hole for the passage of said Wire therethrough, a spring connected to said cover and to said stripping member to support the same and adapted to afford liberty of lateral self-adjustment thereto, said stripping member comprising a nipple fixed to said spring, and a nozzle member mounted within and projecting from said nipple, both beingprovided with mating spherical seatingsurfaces for affording freedom of relative angular adjustment.
4. In an apparatus for strip-coating an elongated article of constant cross-section with a viscuous material, the combination comprising a base member having an opening for passage of the article therethrough, a stripping device spaced from said base in the longitudinal direction of the article, .said stripping device having a central stripping orifice adapted to receive passage of the article therethrough for stripping, resilient mechanism mechanically interconnecting said stripping device and said base member for holding said device and member mutually spaced andso relatively disposed that said stripping orifice is substantially coaxial with said opening, said resilient mechanism comprising an elongated helical spring having its longitudinal axis substantially coaxial with said stripping orifice and said opening, whereby said resilient mechanism provides freedom of self-adjustment to the article being stripped, and a coaxial tubular member fixed to said stripping device and extending downwardly through said spring and base member opening, the internal diameter of said tubular member being small enough to prevent excessive amounts .of lacquer from being drawn through said opening, whereby fouling of said spring is prevented.
References Cited in the tile of this patent UNITED STATES PATENTS 2,247,547 Fearn July 1, 1941 2,291,720 Hukle Aug. 4, 1942 2,429,870 Dahlstrom Oct. 28, 1947
Claims (1)
1. IN AN APPARATUS FOR COATING WIRE WITH LACQUER, THE COMBINATION COMPRISING THE COVER OF A LACQUER CONTAINER, SAID COVER BEING PROVIDED WITH A HOLE FOR THE PASSAGE OF WIRE THERETHROUGH, A HELICAL SPRING, MEANS FOR ATTACHING SAID HELICAL SPRING TO SAID COVER IN COAXIAL RELATIONSHIP TO SAID HOLE, A NIPPLE FIXED TO AND CARRIED BY THE FREE END OF SAID HELICAL SPRING, A NOZZLE MEMBER PROVIDED WITH A CENTRAL, ELONGATED LACQUER-STRIPPING APERTURE, ADJUSTABLE MEANS FOR SUPPORTING SAID NOZZLE MEMBER IN SAID NIPPLE SO THAT SAID APERTURE IS NORMALLY IN SUBSTANTIALLY COAXIAL ALIGNMENT WITH SAID NIPPLE, SAID SUPPORTING MEANS BEING OPERABLE TO ALLOW LIMITED ANGULAR MOVEMENT OF SAID NOZZLE WITH RESPECT TO SAID NIPPLE, AND A TUBULAR MEMBER FIXED TO SAID NOZZLE MEMBER AND EXTENDING THROUGH SAID NIPPLE, SAID HELICAL SPRING AND SAID HOLE OF SAID COVER, THE INTERNAL DIAMETER OF SAID TUBULAR MEMBER BEING SMALL ENOUGH TO PREVENT EXCESSIVE AMOUNTS OF LACQUER FROM BEING DRAWN FROM SAID CONTAINER, WHEREBY FOULING OF SAID SPRING IS PREVENTED.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE2725847X | 1952-01-23 |
Publications (1)
Publication Number | Publication Date |
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US2725847A true US2725847A (en) | 1955-12-06 |
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ID=7997276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US331974A Expired - Lifetime US2725847A (en) | 1952-01-23 | 1953-01-19 | Apparatus for coating an elongated article of constant cross section, such as wire |
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US (1) | US2725847A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983001060A1 (en) * | 1981-09-28 | 1983-03-31 | Western Electric Co | Optical waveguide fiber draw guiding and coating method and apparatus |
US6828505B1 (en) | 1996-06-21 | 2004-12-07 | Pirelli Cavi S.P.A. | Method and electrical apparatus comprising a water tree resistant insulating composition |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2247547A (en) * | 1939-01-19 | 1941-07-01 | Syncro Mach Co | Wiper for coating machines |
US2291720A (en) * | 1939-12-27 | 1942-08-04 | Anaconda Wire & Cable Co | Die suspension |
US2429870A (en) * | 1944-06-08 | 1947-10-28 | American Steel & Wire Co | Apparatus for coating wire and the like |
-
1953
- 1953-01-19 US US331974A patent/US2725847A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2247547A (en) * | 1939-01-19 | 1941-07-01 | Syncro Mach Co | Wiper for coating machines |
US2291720A (en) * | 1939-12-27 | 1942-08-04 | Anaconda Wire & Cable Co | Die suspension |
US2429870A (en) * | 1944-06-08 | 1947-10-28 | American Steel & Wire Co | Apparatus for coating wire and the like |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983001060A1 (en) * | 1981-09-28 | 1983-03-31 | Western Electric Co | Optical waveguide fiber draw guiding and coating method and apparatus |
US4410344A (en) * | 1981-09-28 | 1983-10-18 | Western Electric Company, Inc. | Optical waveguide fiber draw guiding and coating method and apparatus |
US6828505B1 (en) | 1996-06-21 | 2004-12-07 | Pirelli Cavi S.P.A. | Method and electrical apparatus comprising a water tree resistant insulating composition |
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