US3110625A - Wire coating die - Google Patents

Wire coating die Download PDF

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US3110625A
US3110625A US44331A US4433160A US3110625A US 3110625 A US3110625 A US 3110625A US 44331 A US44331 A US 44331A US 4433160 A US4433160 A US 4433160A US 3110625 A US3110625 A US 3110625A
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bushing
lateral margin
margin
portions
extending inwardly
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Carl F Bettner
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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
    • 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

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  • This invention includes in its scope a formed metal holder supporting a generally cylindrical hollow bushing of durable construction.
  • the bushing is composed of two halves which are held together due to a resilient characteristic of the holder. Alignment of the two halves of the bushing is maintained by means of a locking tang and recess combination incorporated as a part of the holder.
  • FIG. 1 shows a top view of a typical embodiment of the present invention.
  • FIG. 2 shows a front view of the embodiment of FIG. 1.
  • FIG. 3 shows a side view of the embodiment of FIG. 1.
  • FIG. 4 shows a section taken along the axis of the bushing used in the embodiment of FIG. 1.
  • FIG. 5 shows a section taken along the line 5-5 of FIG. 2.
  • FIG. 1 there is shown a bushing holder having side walls 11 and 12 with in- Wardly extending top portions 13 and 14.
  • intermediate portions 21 and 22 which extend inwardly from the walls 11 and 12 at a level between the bottom and the top portions of the bushing holder 10.
  • the intermediate portion 21 has a recess therein defined by the sides 23 and 24 to receive a projection of the intermediate portion 22.
  • the walls or sides 26 and 27 of the projection of the portion 22 fit snugly against the sides 23 and 24 of the recess and prevent any movement between the two halves 18 and 19 of the bushing 20 in the direction of the plane dividing them.
  • FIG. 2 shows a front view of the die of FIG. 1.
  • the two halves 18 and 19 of the bushing are held together as a result of tension provided by the bottom portion 28 joining the two side walls 11 and 12.
  • the bottom portion 28 has a slot 29 therein to receive the wire which passes through the bushing during the coating process.
  • FIG. 4 shows a section through the axis of the bushing 20.
  • the bushing has a cylindrical outside surface 33 and has one end which is a spherical surface 34.
  • An inner cylindrical surface 36 which is coaxial with the exterior surface 33, intercepts the spherical surface 34 in a circle.
  • a frusto-conical surface 37 having an axis on the axis of the exterior surface 33, intercepts the inner cylindrical surface 36 at a circle 38.
  • This construction of the inside of the bushing provides for an even removal of the excess coating material from wire as it passes upwardly through the bushing, leaving an evenly coated wire above the bushing as it leaves the bushing.
  • a circumferential groove 39 in the exterior surface of the bushing provides for a secure mounting in the semicircular cutaway areas of the top portions 13 and 14 of the bushing holder 10.
  • FIG. 5 shows the typical construction of the bottom portion 28, particularly illustrating the slot 29 which is terminated by the generally circular opening 41.
  • the opening 41 has its center directly below the opening in the bushing 20 of FIG. 1.
  • the bushing is split into halves to facilitate placing the wire in position, the halves are held together due to the spring effect of the configuration of the bottom portion 23. "To guarantee uniform application of coating material to the wire as it passes through the bushing it is essential that the two halves be kept perfectly aligned so that the cylindrical surface 36 is uniform about one center. This perfect alignment is maintained by the locking tang in the intermediate portion 22, which is received snugly in the recess of the intermediate portion 21.
  • the bushing is extremely durable, rugged and has an unusually long life.
  • a die for use in the coating of wires comprising: a pair of upright side walls spaced apart; a bottom portion disposed between said walls; an opening into a longitudinal margin of the bottom portion; a pair of top portions, each extending inwardly from an outer lateral margin at a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite side wall, said margins being parallel to the side walls, each said portion having a semicircular cutaway area in its inner lateral margin opposite a semicircular cutaway area in the other, said cutaways having a center located equidistantly from the longitudinal margins of said top portions and equidistantly between the outer lateral margins of said top portions; a bushing of generally cylindrical shape having a circumferential groove in its cylindrical exterior surface, a hemispherical end, an inner cylindrical surface intersecting said end in a circular opening concentric with the axis of the exterior and interior cylindrical surfaces, an inner frusto con
  • a die for use in the coating of wires comprising: a pair of, upright side walls spaced apart; a bottom portion disposed between said walls; an opening into a longitudinal margin of the bottom portion; a pair of top portions, each extending inwardly from an outer lateral margin at a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite side wall, said margins being parallel to the side walls, each said portion having a semicircular cutaway area in its inner lateral margin opposite a semicircular cutaway area in the other, a bushing of generally cylindrical shape having a circumferential groove in its cylindrical exterior surface, a hemispherical end, an inner cylindrical surface intersecting said end in a circular opening concentric with the axis of the exterior and interior cylindrical surfaces, an inner frusto conical surface coaxial with and intersecting at its least diameter said inner cylindrical surface and intersecting at its great est diameter the end of said bushing opposite said hemi: spherical end, said bushing
  • a die for use in the coating of wires comprising: a pair of upright side walls spaced apart; a bottom portion disposed between said walls; a pair of top portions, each extending inwardly from an outer lateral margin at a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite side wall, said margins being parallel to the side walls, each said portion having a semicircular cutaway area in its inner lateral margin opposite a semicircular cutaway area in the other, a bushing having a circumferential groove in its exterior surface, said bushing being mounted at its circumferential groove in said semicircular cutaway areas and divided into halves at a plane through its axis; a pair of intermediate portions, each extending inwardly from an outer lateral margin at each side wall and having an inner lateral margin meeting the inher lateral margin of the intermediate portion extending inwardly from the opposite side wall along a line equidistant from the side walls; a rectangular recess in
  • a die for use in the coating of wires comprising: a pair of upright side walls spwed apart; a bottom portion disposed between said walls; a pair of top portions, each extending inwardly from an outer lateral margin at a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite Slide wall, said margins being parallel to the side walls, each said portion having a semicircular cutaway area in its inner lateral margin opposite a semicircular cutaway area in the other; a bushing having a circumferential groove in its exterior surface, said bushing being mounted at its circumferential groove in said semicircular cutaway areas and divided into halves at a plane through its axis; a pair of portions, each extending inwardly from an outer lateral margin at each side wall and having an inner lateral margin adjacent the inner lateral margin of the intermediate portion extending inwardly from the opposite side wall; a recess in the inner margin of one of said portions; a projection at the inner margin
  • a die for use in the coating of wires comprising: a pair of upright side Walls spaced apart; a bottom portion disposed between said walls; a pair of top portions, each extending inwardly from an outer lateral margin at a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite side walls, said margins being parallel to the side walls, each said portion having a cutaway area in its inner lateral margin opposite a cutaway area in the other; a bushing mounted in said cutaway areas and divided into halves at a plane through an axis; a pair of intermediate portions, each extending inwardly from an outer lateral margin at each side wall and having an inner lateral margin meeting the inner lateral margin of the intermediate portion extending inwardly from the opposite side wall along a line equidistant from the side walls; a rectangular recess in the inner margin of one of said intermediate portions located between longitudinal margins of said portions; a rectangular projection at the inner margin of the other of said intermediate portions
  • a die for use in the coating of wires comprising: a pair of upright side walls spaced apart; a bottom portion disposed between said walls; a pair of top portions, each extending inwardly from an outer lateral margin at a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite side wall, said margins being parallel to the side walls, each said portion having a cutaway area in its inner lateral margin opposite a cutaway area in the other; a bushing in said cutaway areas and divided into halves at a plane through an axis; a pair of portions, each extending inwardly from an outer lateral margin at each side wall and having an inner lateral margin adjacent the inner lateral margin adjacent lateral margin adjacent the inner lateral margin of the intermediate portion extending inwardly from the opposite side wall; a recess in the inner margin of one of said portions; a projection at the inner margin or the other of said portions and fittingly extending into the recess in said one portion to prevent relative movement between
  • a die for use in the coating of wires comprising: a pair of upright side walls spaced apart; a bottom portion disposed between said walls; a pair of top portions, each extending inwardly from an outer lateral marginat a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite side wall, each said 5 portion having a cutaway area in its inner lateral margin opposite a cutaway area in the other; a bushing of generally cylindrical shape having a circumferential groove in its cylindrical exterior surface, a hemispherical end, an inner cylindrical surface intersecting said end in a circular opening concentric with the axis of the exterior and interior cylindrical surfaces, an inner frusto conical surface coaxial with and intersecting at its least diameter, said inner cylindrical surface and intersecting at its greatest diameter the end of said bushing opposite said hemispherical end, said bushing being mounted at its circumferential groove in said cutaway areas and divided into halves at a plane through its axis; a pair of
  • a die for use in the coating of wires comprising: a pair of upright side walls spaced apart; a bottom portion disposed between said walls; a pair of top portions, each extending inwardly from an outer lateral margin at a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite side wall, each said portion having a cutaway area in its inner lateral margin opposite a cutaway area in the other; a bushing in said cutaway areas and divided into halves at a plane through an axis; a pair of portions, each extending inwardly from an outer lateral margin at each side wall and having an inner lateral margin adjacent the inner lateral margin of the intermediate portion extending inwardly from the opposite side walls; a recess in the inner margin of one of said portions; a projection at the inner margin of the other of said portions and fittingly extending into the recess in said one portion to prevent relative movement between said halves of the bushing parallel to the dividing plane, said halves of the bush
  • a die for use in the coating of wires comprising: a pair of upright side walls spaced apart; a bottom portion disposed between said walls; a pair of top portions, each extending inwardly from an outer lateral margin at a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite side wall, each said portion having a cutaway area in its inner lateral margin opposite a cutaway area in the other; a bushing of generally cylindrical shape having an inner surface coaxial with its exterior surface, said bushing being mounted in said cutaway areas and divided at a plane intersecting its inner surface; a pair of portions, each extending inwardly firom an outer lateral margin at each side wall and having an inner lateral margin adjacent the inner lateral margin of the portion extending inwardly fnorn the opposite side wall; a recess in the inner margin of one of said portions; a projection at the inner margin of the other of said portions and fittingly extending into the recess in said one portion to prevent relative movement
  • a die for use in the coating of wires comprising: a pair on upright side walls spaced apart; a bottom portion disposed between said walls; a pair of top portions, each extending inwardly from an outer lateral margin at a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite side wall, each said port-ion having a cutaway area in its inner lateral margin opposite a cutaway area in the other; a bushing having a passageway therethrough, said bushing being mounted in said cutaway areas and divided at a plane intersecting its passageway; a pair of portions, each extending inwardly from an outer lateral margin at each side wall and having an inner lateral margin; a recess in the inner margin of one of said intermediate portions; a projection at the inner margin of the other of said pontions and fittingly extending into the recess in said one portion to prevent relative movement between the divisions of the bushing parallel to the dividing plane, said halves of the bushing being biased together.
  • a die for use in the coating of wires comprising: a pair oi general'ly upright walls with a bottom portion disposed therebetween; a pair of top portions, each extending inwardly from an outer lateral margin at a wall; a bushing having a passageway therethrough, said bushing being mounted to said top pontions and divided at a plane intersecting its passageway; md locking means to prevent relative movement between divisions of the bushing parallel to the dividing plane, said halves of the bushing being biased together.

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Description

Nov. 12, 1963 c. F. BETTNER WIRE COATING DIE Filed July 21, 1960 Fig; 5.
INVENTOR. CARL F. BETTN ER ATTORNEYS BY !wmwm SMUJM United States Patent 3,110,625 WIRE CGATING DIE Carl F. Bettner, Waldron, Shelby County, Ind. Filed July 21, 1960, Ser. No. 44,331 11 Claims. (Cl. 118-125) This invention is related generally to the coating of wire, and particularly to dies for applying coating materials to wire.
Conventional dies used in the coating and enameling of wire have several serious disadvantages. For example, they tend to wear out rapidly, requiring frequent replacement and also causing uneven application of coating material to wire. Even new dies are incapable of applying an even coating to a wire. Moreover, conventional dies are quite susceptible to damage, particularly when a wire splice passes through them.
It is, therefore, an object of this invention to provide a die for the coating of wire which has an extended useful life.
It is another object of this invention to provide a die for the coating of wire capable of uniform application of coating material to wire as it passes through.
It is a further object of this invention to provide an exceptionally rugged die for the coating of wire.
It is still a further object of this invention to provide a die having an opening which is maintained constantly the same in operation. 1
This invention includes in its scope a formed metal holder supporting a generally cylindrical hollow bushing of durable construction. The bushing is composed of two halves which are held together due to a resilient characteristic of the holder. Alignment of the two halves of the bushing is maintained by means of a locking tang and recess combination incorporated as a part of the holder.
The full nature of the invention will be understood from the accompanying drawings and the following description and claims:
FIG. 1 shows a top view of a typical embodiment of the present invention.
FIG. 2 shows a front view of the embodiment of FIG. 1.
FIG. 3 shows a side view of the embodiment of FIG. 1.
FIG. 4 shows a section taken along the axis of the bushing used in the embodiment of FIG. 1.
FIG. 5 shows a section taken along the line 5-5 of FIG. 2.
Referring particularly to FIG. 1, there is shown a bushing holder having side walls 11 and 12 with in- Wardly extending top portions 13 and 14. The inner lateral margins 16 and 17 of the top portions 13 and 14, respectively face each other on opposite sides of a plane parallel to the side walls and equidistant between them. There is a semicircular cutaway area in each of the top portions 13 and 14 which receive and support the two halves 18 and 19, of the bushing 26.
There are two inwardly extending intermediate portions 21 and 22 which extend inwardly from the walls 11 and 12 at a level between the bottom and the top portions of the bushing holder 10. The intermediate portion 21 has a recess therein defined by the sides 23 and 24 to receive a projection of the intermediate portion 22. The walls or sides 26 and 27 of the projection of the portion 22 fit snugly against the sides 23 and 24 of the recess and prevent any movement between the two halves 18 and 19 of the bushing 20 in the direction of the plane dividing them.
FIG. 2 shows a front view of the die of FIG. 1. The two halves 18 and 19 of the bushing are held together as a result of tension provided by the bottom portion 28 joining the two side walls 11 and 12. The bottom portion 28 has a slot 29 therein to receive the wire which passes through the bushing during the coating process.
'ice
Referring to FIG. 3, which is a side view of the die of FIG. 1, the longitudinal margins 31 and 32 of those portions of the side walls which adjoin the top portions are clearly illustrated. FIG. 4 shows a section through the axis of the bushing 20. The bushing has a cylindrical outside surface 33 and has one end which is a spherical surface 34. An inner cylindrical surface 36, which is coaxial with the exterior surface 33, intercepts the spherical surface 34 in a circle. A frusto-conical surface 37, having an axis on the axis of the exterior surface 33, intercepts the inner cylindrical surface 36 at a circle 38. This construction of the inside of the bushing provides for an even removal of the excess coating material from wire as it passes upwardly through the bushing, leaving an evenly coated wire above the bushing as it leaves the bushing. A circumferential groove 39 in the exterior surface of the bushing provides for a secure mounting in the semicircular cutaway areas of the top portions 13 and 14 of the bushing holder 10.
FIG. 5 shows the typical construction of the bottom portion 28, particularly illustrating the slot 29 which is terminated by the generally circular opening 41. The opening 41 has its center directly below the opening in the bushing 20 of FIG. 1.
While the bushing is split into halves to facilitate placing the wire in position, the halves are held together due to the spring effect of the configuration of the bottom portion 23. "To guarantee uniform application of coating material to the wire as it passes through the bushing it is essential that the two halves be kept perfectly aligned so that the cylindrical surface 36 is uniform about one center. This perfect alignment is maintained by the locking tang in the intermediate portion 22, which is received snugly in the recess of the intermediate portion 21. The bushing is extremely durable, rugged and has an unusually long life.
While the invention has been disclosed and described in some detail in the drawings and foregoing description, they are to be considered as illustrative and not restrictive in character, as modifications may readily suggest themselves to persons skilled in this art and within the broad scope of the invention, reference being had to the appended claims.
The invention claimed is:
l. A die for use in the coating of wires and comprising: a pair of upright side walls spaced apart; a bottom portion disposed between said walls; an opening into a longitudinal margin of the bottom portion; a pair of top portions, each extending inwardly from an outer lateral margin at a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite side wall, said margins being parallel to the side walls, each said portion having a semicircular cutaway area in its inner lateral margin opposite a semicircular cutaway area in the other, said cutaways having a center located equidistantly from the longitudinal margins of said top portions and equidistantly between the outer lateral margins of said top portions; a bushing of generally cylindrical shape having a circumferential groove in its cylindrical exterior surface, a hemispherical end, an inner cylindrical surface intersecting said end in a circular opening concentric with the axis of the exterior and interior cylindrical surfaces, an inner frusto conical surface coaxial with and intersecting at its least diameter said inner cylindrical surface and intersecting at its greatest diameter the end of said bushing opposite said hemispherical end, said bushing being mounted at its circumferential groove in said semicircular cutaway areas and divided into halves at a plane through its axis; a pair of intermediate portions, each extending inwardly from an outer lateral margin at each side wall and having an inner lateral margin meeting the inner lateral margin halves of the bushing parallel to the dividing of the intermediate portion extending inwardly from the opposite side wall along a line equidistant from the side walls; a rectangular recess in the inner margin of one of said intermediate portions located between longitudinal margins of said portion; a rectangular projection at the inner margin of the other of said intermediate portions and fittingly extending into the rectangular recess in said one portion to prevent relative movement between said plane, said halves of the bushing being biased together.
2. A die for use in the coating of wires and comprising: a pair of, upright side walls spaced apart; a bottom portion disposed between said walls; an opening into a longitudinal margin of the bottom portion; a pair of top portions, each extending inwardly from an outer lateral margin at a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite side wall, said margins being parallel to the side walls, each said portion having a semicircular cutaway area in its inner lateral margin opposite a semicircular cutaway area in the other, a bushing of generally cylindrical shape having a circumferential groove in its cylindrical exterior surface, a hemispherical end, an inner cylindrical surface intersecting said end in a circular opening concentric with the axis of the exterior and interior cylindrical surfaces, an inner frusto conical surface coaxial with and intersecting at its least diameter said inner cylindrical surface and intersecting at its great est diameter the end of said bushing opposite said hemi: spherical end, said bushing being mounted at its circurnferential groove in said semicircular cutaway areas and divided into halves at a plane through its axis; a pair of intermediate portions, each extending inwardly from an outer lateral margin at each side wall and having an inner lateral margin meeting the inner lateral margin of the intermediate portion extending inwardly from the opposite side wall along a line equidistant from the side walls; a rectangular recess in the inner margin of one of said intermediate portions located between longitudinal margins of said portion; a rectangular projection at the inner margin of the other of said intermediate portions and fittingly extending into the rectangular recess in said one portion to prevent relative movement between said halves of the bushing parallel to the dividing plane, said halves of the bushing being biased together.v
- 3. A die for use in the coating of wires and comprising: a pair of upright side walls spaced apart; a bottom portion disposed between said walls; a pair of top portions, each extending inwardly from an outer lateral margin at a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite side wall, said margins being parallel to the side walls, each said portion having a semicircular cutaway area in its inner lateral margin opposite a semicircular cutaway area in the other, a bushing having a circumferential groove in its exterior surface, said bushing being mounted at its circumferential groove in said semicircular cutaway areas and divided into halves at a plane through its axis; a pair of intermediate portions, each extending inwardly from an outer lateral margin at each side wall and having an inner lateral margin meeting the inher lateral margin of the intermediate portion extending inwardly from the opposite side wall along a line equidistant from the side walls; a rectangular recess in the inner margin of one of said intermediate portions located between longitudinal margins of said portion; a rectangular projection at the inner margin of the other of said intermediate portions and fittingly extending into the rectangular recess in said one portion to prevent relative movement between said halves of the bushing parallel to the dividing plane, said halves of the bushing being biased together.
4. A die for use in the coating of wires and comprising: a pair of upright side walls spwed apart; a bottom portion disposed between said walls; a pair of top portions, each extending inwardly from an outer lateral margin at a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite Slide wall, said margins being parallel to the side walls, each said portion having a semicircular cutaway area in its inner lateral margin opposite a semicircular cutaway area in the other; a bushing having a circumferential groove in its exterior surface, said bushing being mounted at its circumferential groove in said semicircular cutaway areas and divided into halves at a plane through its axis; a pair of portions, each extending inwardly from an outer lateral margin at each side wall and having an inner lateral margin adjacent the inner lateral margin of the intermediate portion extending inwardly from the opposite side wall; a recess in the inner margin of one of said portions; a projection at the inner margin of the other of said portions and fittingly extending into the recess in said one portion to prevent relative movement between said halves of the bushing parallel to the dividing Jlane, said halves of the bushing being biased together.
5. A die for use in the coating of wires and comprising: a pair of upright side Walls spaced apart; a bottom portion disposed between said walls; a pair of top portions, each extending inwardly from an outer lateral margin at a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite side walls, said margins being parallel to the side walls, each said portion having a cutaway area in its inner lateral margin opposite a cutaway area in the other; a bushing mounted in said cutaway areas and divided into halves at a plane through an axis; a pair of intermediate portions, each extending inwardly from an outer lateral margin at each side wall and having an inner lateral margin meeting the inner lateral margin of the intermediate portion extending inwardly from the opposite side wall along a line equidistant from the side walls; a rectangular recess in the inner margin of one of said intermediate portions located between longitudinal margins of said portions; a rectangular projection at the inner margin of the other of said intermediate portions and fittingly extending into the rectangular recess in said one portion to prevent relative movement between said halves of the bushing parallel to the dividing plane, said halves of the bushing being biased together.
6. A die for use in the coating of wires and comprising: a pair of upright side walls spaced apart; a bottom portion disposed between said walls; a pair of top portions, each extending inwardly from an outer lateral margin at a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite side wall, said margins being parallel to the side walls, each said portion having a cutaway area in its inner lateral margin opposite a cutaway area in the other; a bushing in said cutaway areas and divided into halves at a plane through an axis; a pair of portions, each extending inwardly from an outer lateral margin at each side wall and having an inner lateral margin adjacent the inner lateral margin adjacent lateral margin adjacent the inner lateral margin of the intermediate portion extending inwardly from the opposite side wall; a recess in the inner margin of one of said portions; a projection at the inner margin or the other of said portions and fittingly extending into the recess in said one portion to prevent relative movement between said halves of the bushing parallel to the dividing plane, said halves of the bushing being biased together.
7. A die for use in the coating of wires and comprising: a pair of upright side walls spaced apart; a bottom portion disposed between said walls; a pair of top portions, each extending inwardly from an outer lateral marginat a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite side wall, each said 5 portion having a cutaway area in its inner lateral margin opposite a cutaway area in the other; a bushing of generally cylindrical shape having a circumferential groove in its cylindrical exterior surface, a hemispherical end, an inner cylindrical surface intersecting said end in a circular opening concentric with the axis of the exterior and interior cylindrical surfaces, an inner frusto conical surface coaxial with and intersecting at its least diameter, said inner cylindrical surface and intersecting at its greatest diameter the end of said bushing opposite said hemispherical end, said bushing being mounted at its circumferential groove in said cutaway areas and divided into halves at a plane through its axis; a pair of intermediate portions, each extending inwardly from an outer lateral margin at each side wall and having an inner lateral margin meeting the inner lateral margin of the intermediate portion extending inwardly from the opposite side wall along a line equidistant from the side walls; a rectangular recess in the inner mangin of one of said intermediate portions located between longitudinal margins of said portion; a rectangular projection at the inner margin of the other of said intermediate portions and fittingly extending into the rectangular recess in said one portion to prevent relative movement between said halves of the bushing parallel to the dividing plane, said halves of the bushing being biased together.
8. A die for use in the coating of wires and comprising: a pair of upright side walls spaced apart; a bottom portion disposed between said walls; a pair of top portions, each extending inwardly from an outer lateral margin at a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite side wall, each said portion having a cutaway area in its inner lateral margin opposite a cutaway area in the other; a bushing in said cutaway areas and divided into halves at a plane through an axis; a pair of portions, each extending inwardly from an outer lateral margin at each side wall and having an inner lateral margin adjacent the inner lateral margin of the intermediate portion extending inwardly from the opposite side walls; a recess in the inner margin of one of said portions; a projection at the inner margin of the other of said portions and fittingly extending into the recess in said one portion to prevent relative movement between said halves of the bushing parallel to the dividing plane, said halves of the bushing being biased together.
9. A die for use in the coating of wires and comprising: a pair of upright side walls spaced apart; a bottom portion disposed between said walls; a pair of top portions, each extending inwardly from an outer lateral margin at a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite side wall, each said portion having a cutaway area in its inner lateral margin opposite a cutaway area in the other; a bushing of generally cylindrical shape having an inner surface coaxial with its exterior surface, said bushing being mounted in said cutaway areas and divided at a plane intersecting its inner surface; a pair of portions, each extending inwardly firom an outer lateral margin at each side wall and having an inner lateral margin adjacent the inner lateral margin of the portion extending inwardly fnorn the opposite side wall; a recess in the inner margin of one of said portions; a projection at the inner margin of the other of said portions and fittingly extending into the recess in said one portion to prevent relative movement between the divisions of the bushing parallel to the dividing plane, said halves of the bushing being biased together.
10. A die for use in the coating of wires and comprising: a pair on upright side walls spaced apart; a bottom portion disposed between said walls; a pair of top portions, each extending inwardly from an outer lateral margin at a side wall, and having an inner lateral margin facing the inner lateral margin of the top portion extending inwardly from the opposite side wall, each said port-ion having a cutaway area in its inner lateral margin opposite a cutaway area in the other; a bushing having a passageway therethrough, said bushing being mounted in said cutaway areas and divided at a plane intersecting its passageway; a pair of portions, each extending inwardly from an outer lateral margin at each side wall and having an inner lateral margin; a recess in the inner margin of one of said intermediate portions; a projection at the inner margin of the other of said pontions and fittingly extending into the recess in said one portion to prevent relative movement between the divisions of the bushing parallel to the dividing plane, said halves of the bushing being biased together.
l l. A die for use in the coating of wires and comprising: a pair oi general'ly upright walls with a bottom portion disposed therebetween; a pair of top portions, each extending inwardly from an outer lateral margin at a wall; a bushing having a passageway therethrough, said bushing being mounted to said top pontions and divided at a plane intersecting its passageway; md locking means to prevent relative movement between divisions of the bushing parallel to the dividing plane, said halves of the bushing being biased together.
References Cited in the file of this patent UNITED STATES PATENTS Kolter Sept. 10, 1946

Claims (1)

10. A DIE FOR USE IN THE COATING OF WIRES AND COMPRISING: A PAIR OF UPRIGHT SIDE WALLS SPACED APART; A BOTTOM PORTION DISPOSED BETWEEN SAID WALLS; A PAIR OF TOP PORTIONS, EACH EXTENDING INWARDLY FROM AN OUTER LATERAL MARGIN AT A SIDE WALL, AND HAVING AN INNER LATERAL MARGIN FACING THE INNER LATERAL MARGIN OF THE TOP PORTION EXTENDING INWARDLY FROM THE OPPOSITE SIDE WALL, EACH SAID PORTION HAVING A CUTAWAY AREA IN ITS INNER LATERAL MARGIN OPPOSITE A CUTAWAY AREA IN THE OTHER; A BUSHING HAVING A PASSAGEWAY THERETHROUGH, SAID BUSHING BEING MOUNTED IN SAID CUTAWAY AREAS AND DIVIDED AT A PLANE INTERSECTING ITS PASSAGEWAY; A PAIR OF PORTIONS, EACH EXTENDING INWARDLY FROM AN OUTER LATERAL MARGIN AT EACH SIDE WALL AND HAVING AN INNER LATERAL MARGIN; A RECESS IN THE INNER MARGIN OF ONE OF SAID INTERMEDIATE PORTIONS; A PROJECTION AT THE INNER MARGIN OF THE OTHER OF SAID PORTIONS AND FITTINGLY EXTENDING INTO THE RECESS IN SAID ONE PORTION TO PREVENT RELATIVE MOVEMENT BETWEEN THE DIVISIONS OF THE BUSHING PARALLEL TO THE DIVIDING PLANE, SAID HALVES OF THE BUSHING BEING BIASED TOGETHER.
US44331A 1960-07-21 1960-07-21 Wire coating die Expired - Lifetime US3110625A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898953A (en) * 1974-06-21 1975-08-12 Warren A Couture Molded filament coating die
US3923003A (en) * 1974-05-06 1975-12-02 Southwire Co Production of flooded multistrand cable
US5449408A (en) * 1991-11-25 1995-09-12 Furukawa Electric Co., Ltd. Optical fiber coating apparatus and positioning method thereof
US6660086B1 (en) 2000-03-06 2003-12-09 Innovative Coatings, Inc. Method and apparatus for extruding a coating upon a substrate surface
US20070020475A1 (en) * 2005-07-21 2007-01-25 Prince Kendall W Primed substrate and method for making the same
US7540181B1 (en) 2006-10-13 2009-06-02 Us Synthetic Corporation Wire-drawing die assembly
US8512023B2 (en) 2011-01-12 2013-08-20 Us Synthetic Corporation Injection mold assembly including an injection mold cavity at least partially defined by a polycrystalline diamond material
US8702412B2 (en) 2011-01-12 2014-04-22 Us Synthetic Corporation Superhard components for injection molds
US9289795B2 (en) 2008-07-01 2016-03-22 Precision Coating Innovations, Llc Pressurization coating systems, methods, and apparatuses
US9616457B2 (en) 2012-04-30 2017-04-11 Innovative Coatings, Inc. Pressurization coating systems, methods, and apparatuses

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2238575A (en) * 1939-04-06 1941-04-15 Gen Electric Apparatus for coating articles such as wires with liquid coating compositions
US2309057A (en) * 1940-07-17 1943-01-19 Gen Electric Apparatus for enameling rectangular wire
US2407337A (en) * 1943-01-14 1946-09-10 Robert M Kolter Wire enameling die

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2238575A (en) * 1939-04-06 1941-04-15 Gen Electric Apparatus for coating articles such as wires with liquid coating compositions
US2309057A (en) * 1940-07-17 1943-01-19 Gen Electric Apparatus for enameling rectangular wire
US2407337A (en) * 1943-01-14 1946-09-10 Robert M Kolter Wire enameling die

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3923003A (en) * 1974-05-06 1975-12-02 Southwire Co Production of flooded multistrand cable
US3898953A (en) * 1974-06-21 1975-08-12 Warren A Couture Molded filament coating die
US5449408A (en) * 1991-11-25 1995-09-12 Furukawa Electric Co., Ltd. Optical fiber coating apparatus and positioning method thereof
US8113143B2 (en) 2000-03-06 2012-02-14 Prince Kendall W Method and apparatus for extruding a coating upon a substrate surface
US7374795B2 (en) 2000-03-06 2008-05-20 Innovative Coatings Inc. Method for extruding a coating upon a substrate surface
US6660086B1 (en) 2000-03-06 2003-12-09 Innovative Coatings, Inc. Method and apparatus for extruding a coating upon a substrate surface
US20040109946A1 (en) * 2000-03-06 2004-06-10 Prince Kendall W. Method and apparatus for extruding a coating upon a substrate surface
US20070020475A1 (en) * 2005-07-21 2007-01-25 Prince Kendall W Primed substrate and method for making the same
US7540181B1 (en) 2006-10-13 2009-06-02 Us Synthetic Corporation Wire-drawing die assembly
US9289795B2 (en) 2008-07-01 2016-03-22 Precision Coating Innovations, Llc Pressurization coating systems, methods, and apparatuses
US10576491B2 (en) 2008-07-01 2020-03-03 Precision Coating Innovations, Llc Pressurization coating systems, methods, and apparatuses
US8678801B2 (en) 2011-01-12 2014-03-25 Us Synthetic Corporation Injection mold assembly including an injection mold cavity at least partially defined by a polycrystalline diamond material
US9193103B2 (en) 2011-01-12 2015-11-24 Us Synthetic Corporation Methods of injection molding
US9199400B2 (en) 2011-01-12 2015-12-01 Us Synthetic Corporation Methods of injection molding an article
US8702412B2 (en) 2011-01-12 2014-04-22 Us Synthetic Corporation Superhard components for injection molds
US9868229B2 (en) 2011-01-12 2018-01-16 Us Synthetic Corporation Methods of injection molding an article
US8512023B2 (en) 2011-01-12 2013-08-20 Us Synthetic Corporation Injection mold assembly including an injection mold cavity at least partially defined by a polycrystalline diamond material
US9616457B2 (en) 2012-04-30 2017-04-11 Innovative Coatings, Inc. Pressurization coating systems, methods, and apparatuses

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