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Патент USA US3034490

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May 15, 1962
H. D. WILLIAMS
3,034,477
WIRE COATING APPARATUS
Filed Aug. 29, 1960
INVENTOR.
blmer? l'V/u HMS
BY
‘.2’
ATTOA’A/B’
United States Patent 0
3,034,477
Patented May 15, 1962
1
2
3,034,477
plied on the wire, the liquid applicator is removed from
the surface of the supporting member and another,
Filed Aug. 29, 1960, Ser. No. 52,679
10 Claims. (Cl. 118-223)
similar liquid applicator which contains ink of a different
color is inserted in its place. The wire can be threaded
between the wicks of the new liquid applicator and the
pot turned to the second position so that the wire comes
in contact with the wicks.
The novel features of this invention, both as to its
organization and method of operation, as well as addi
WIRE COATING APPARATUS
Harry D. Williams, Bloomington, lnd., assignor to Radio
Corporation of America, a corporation of Delaware
This invention relates to wire coating apparatus, and
more particularly to apparatus for coating insulated wire
with various colors to provide identifying markings
thereon.
The primary object of this invention is to provide
improved wire coating apparatus for applying one or
more markings longitudinally along the wire.
It is also an object of this invention to provide an
tional objects and advantages thereof, will be understood
more fully from the following description, when read in
connection with the accompanying drawing in which:
PEG. 1 is a plan view of one form of the wire coating
apparatus, according to the present invention, with the
liquid applicator shown in the ink applying position,
a moving wire.
It is another object of this invention to provide an
FIG. 2 is a side elevation of the wire coating appara
tus of FIG. 1, and
FIG. 3 is a plan view of the wire coating apparatus
improved wire coating apparatus Which is readily adapt
with the liquid applicator in its other position.
improved wire coating apparatus which uniformly coats
Referring, now, more particularly to the drawing, a
20
able to coating wires with inks of various colors.
wire coating apparatus 10 is shown having a supporting
It is still another object of this invention to provide an
improved wire coating apparatus which uses liquid inks
and which can be stored easily for long periods of time
without its liquid content evaporating.
member or base 12, one or more reels 14 mounted below
the surface of the supporting member 12 and on each of
which is wound an insulation covered wire 16 (two such
It is also an object of this invention to provide an 25 reels and wires being shown by way of illustration), and
improved wire coating apparatus which can color coat
either all of the wire (that is, around the entire surface
a liquid applicator 13 including wicks 20 for applying
it is a further object of this invention to provide an
improved Wire coating apparatus which can coat a. wire
coloring liquid or ink to the surface of the insulation.
Certain of the wicks 20 may be formed with grooves 48,
if desired.
The supporting member or base 12 includes a surface
21 which has a turntable assembly 22 mounted thereon
for rotation to one or another of two positions. When
with stripes of either one color or more than one color
the assembly 22 is rotated to a ?rst position, the liquid’
thereof) or merely provide colored stripes longitudinally
therealong which encompass less than the entire circum
fere'nce of the wire.
applicator 18 and wicks 20 are positioned as illustrated
It is still a further object of this invention to provide 35 in FIG. 3 of the drawing; and when the assembly 22 is
rotated to its second position, the wicks 20 are positioned
an improved wire coating apparatus as aforesaid which
as illustrated in FIG. 1. A spring loaded stop 23'is
is simple and economical to manufacture, which is easy
provided for locking the assembly 22 in either the ?rst
to maintain and operate, and which is ei‘?cient in use.
or second position. Mounted on the legs of the sup
According to one form of this invention, a wire coat—
ing apparatus is provided which includes a supporting 40 porting member 12 is a rack 24 for supporting the pair
of reels 14 on which the uncoated wire 16 is wound.
member on which a liquid applicator is rotatably
The rack 24- allows for easy replacement of the reels 14
mounted. The liquid applicator comprises a pot which
once the wire 16 is spent. Positioned at one end of the
can be ?lled with liquid ink for color coating Wire and
surface 21 of the supporting member 12 is a pulley 25
a cover for the pot which has two pairs of openings
therethrough. The openings in each pair of openings 45 over which the uncoated wire 16 to be color coated is
drawn. A pulley support 26 positions the pulley 25 at
are offset relative to each other. A wick is positioned
the same height as the grooves 48 in the wicks 20.
within each of the openings in the cover with one end of
concurrently.
The liquid applicator 18 comprises a pot 30 which has
each wick extending into the liquid ink in the pot, the
a threaded protrusion 31 on the bottom surface thereof
other end of each wick protruding above the surface of
the cover. One of the wicks in each pair of Wicks has 50 for positioning the applicator 18 on the turntable as
sembly 22. The applicator 18 is secured to the turn
a groove in that portion of its surface which protrudes
table assembly 22 by a nut 32, so that the applicator 18
will rotate with the turntable assembly. Located on top
of the pot 30 is a cover 33 which is held in place by
55 means of a number of swing bolts 34 and wing nuts 35.
without coming in contact with them. The liquid appli
The cover 33 has two pairs of openings 36 and 37 there
cator is then rotated to a second position to bring the
through. The openings in each of the pairs of openings
two wicks between which the wire has been inserted'into
36 and 37 are offset with respect to each other, as shown
engagement with the wire, the wire then being seated
in the groove of the grooved wick and engaging the other 60 in FIGS. 1 and 3, forreasons to be hereinafter described.
The cover 33 also has an opening 38 which is sealed by
wick at the periphery thereof. If the wire is then drawn
a cap 39 and through which the pot can be ?lled with
between the wicks, the wire will be uniformly color
coloring liquid.
I
w
coated. The color of the coating placed on the wire
' Positioned within each of the openings 36 and 37 is a
may conform to a prescribed code, if desired, to thereby
indicate the particular use for which the wire is in 65 wick holder 27 which is secured in place by means of a
nut 40. Each of the wick holders 27 contains one of
tended. If it is desired to coat only one side of the wire,
the wicks 20 which are preferably square and which
the grooved wick can be covered, thereby allowing the
may be made of felt. The surfaces 41 of the wick holders
wire to contact only the ungrooved wick. This provides
27, adjacent the nuts 40, ‘are threaded in order that caps
merely a stripe of color longitudinally'along the wire.
A second wire can be similarly coated by threading it 70 42 can be secured over the Wicks when the device is
not in use, thereby making the pot airtight and preventing
between the other pair of wicks as described above.
the evaporation of the coloring liquid or ink. One end
If it is desired to change the color of the coating ap
above the cover. To color coat a wire, the liquid appli
cator is ?rst turned to a ?rst position such that a wire
can be inserted between the two wicks of a pair of wicks
3,034,477
A
means cooperating with said container for covering said
wicks to thereby make said container airtight.
44 of each of the wicks 20 extends into the pot 30, while
the other end '45 protrudes above the surface of the cover
33. One of the wicks 26a of each of the pairs of wicks
3. A wire coating device comprising a container for a
20 is formed with a groove 48 in the portion protruding
marking liquid, a pair of relatively o?‘set wicks between
above the cover 33. It will be evident from the above
which a wire to be coated can be passed, said wicks ex—
that the cover 33 may be formed with only one pair
of offset openings therethrough so that only one pair of,
wicks would be provided for coating a single wire.
Located near the periphery of the liquid applicator 18
and attached to the supporting surface 21 near the pulley
'25 is a pair of wire guides, 49 which insure that the
wires 16, being taken from the reels '14, will make contact
with the grooved wicks 20a in the grooves 48 thereof.
At the opposite side of the liquid applicator 18Vis ‘a sec
ond set of guides 50 which insure the proper alignment 15
of the wires 16 between the wicks 20.
In order to'coat a pair of wires 16, a liquid applicator
18 containing the desired coloring ink is positioned on
tending into said container, and means mounting said
container for rotation from one to another of two posi
tions, said wicks being disposed to engage said wire when
said container is in one of said positions and to be out
of engagement with said wire when said container is ro
tated to the other of its said positions.
4. A wire coating device comprising a container for
a marking liquid, a pair of oiiset wicks between which
a wire to be coated can be passed, said wicks extending
into said container, one of said wicks being formed with
a groove therein for reception of said wire, and said wire
being adapted to simultaneously engage the other of said
wicks, and means mounting said container for rotation
the turntable assembly 22 and’ secured in place by the
from one to another of two positions, said wicks being
nut 32. The turntable is then rotated to the position 20 disposed to engage said wire when said container is in
illustrated in FIG. 3. A Wire from each of the reels
one of said positions and to be out of engagement with
'14 is then threaded, as shown in FIG. 3, over the pulley
said wire when said container is rotated to the other of
25, along the guide grooves 48, between one of the pairs
its said positions.
of wicks 20, and over the guides 50 to either a storage
,
5. A wire coating device compirsing a container for
I ‘reel or directly to a device in which the wire could be 25 a marking liquid, a cover for'said container having a
used. The turntable assembly is then rotated to the posi
pair of openings therethrough, a pair of relatively offset
tion illustrated in FIG. 1. In this position of the turn
wicks between which a wire to be coated can be passed,
table, the grooved wicks 20a'have seated therein the re
said wicks being respectively positioned in said openings
spective wires 16 which now contact the wicks 20a at
and extending into said container, one of said wicks being
their grooves 48. The wires 21 are also simultaneously 30 formed with a groove therein for reception of said wire,
in contact with the other or ungrooved wicks 20 in the
said wire being adapted to simultaneously engage the
respective pairs of wicks. The wires are then drawn
other of said wicks, means mounting said container for
through the liquid applicator 18 (that is, past the inked
rotation from one to another of two positions, said wicks
wicks 20 thereof), thereby coating the entire surfaces of
being disposed to engage said wire when said container
the wires 16. When it is desired not to coat the entire 35 is in one of said positions and to be out of engagement
surface of a wire, the grooved wick 20a is covered with
with said wire when said container is rotated to the other
‘ its cup 42, so that the wire will engage only the ungrooved
of said positions, and means cooperating with said con
wick 20. This causes only a stripe of the desired color
tainer for covering said wicks to thereby make said con—
7 tainer air-tight.
to be applied to the wire longitudinally thereof as the
wire is drawn along the uncovered wick.
‘6. A wire coating device comprising a container for a
40
If one wishes to change the color of the coating being
marking liquid, a cover for said container having two
applied to the wires 16, the turntable 22 is rotated to
pairs of opening therethrough, a wick within each of said
the position shown in FIG. 3, and the wires 16 removed
openings extending into said container, said wicks being
from between the wicks 20. The liquid applicator 18
positioned so as to receive a ?rst wire between one pair
can then be replaced by another, similar applicator 18 45 of said wicks and a second wire between another pair of
containing a di?erent colored liquid ink.
said wicks whereby both said wires can be coated simul
From the foregoing description, it will be apparent that
taneously, one wick in each said pair of wicks contact
I have provided an improved wire coating ‘apparatus.
ing one side of said wires and the other wick in each of
While I have illustrated and described one particular form
said pair of wicks contacting the other side of said wires,
of such apparatus, it will, no doubt, be apparent to those 50 and means mounting said container for rotation from
skilled in the art that various changes may be made in
one to another of two positions, said wicks being disposed
the particular apparatus disclosed, all within the spirit
of the present invention. Hence, ‘I desire that the fore
to engage said wire when said container is in one of said
positions and to be out of engagement with said wire when
said container is rotated to the other of its said‘ posi
going shall be taken merely as illustrative and not in a
limiting sense.
'
What is claimed is:
L'A wire coating device comprising a container for
a marking liquid, and a pair of wicks between which a
65
tions.
'
'
7. A wire coating device comprising a base, a container
for marking liquid mounted on said base, a pair of wicks
between which a wire to be coated can be passed, said
wireto be coated can‘be passed, said wicks being o?fset
wicks being offset relative to each other on opposite sides
relative to each other on opposite sides of the path of 60 of thc'path of travel of said wire and extending into said
travel of said wire and extending into said container, one
container, one of said wicks'being' formed with a groove
of said wicks being formed with a groove therein for
therein for reception of said wire to engage said wire along
reception of said wire to engage said wire along at least
one side thereof, and said wire being adapted to simul
at least one side thereof, said wire being adapted to simul
taneously engage the other of said wicks along its opposite
taneously engage the other of said wicks along its opposite , 65 side, and capping means adapted to be removably applied
side.
over said wicks in air-tight relation with said container
2. A wire coating device comprising a container for
to thereby preserve the marking liquid in said container
a marking liquid, a pair of wicks between which a wire
against evaporation.
to be coated can be passed, said wicks being offset rela
8. A wire coating device comprising a base, a container
tive to each other on opposite sides of the path of travel 70 for a marking liquid, means mounting said container on
' of said wire and extending into said container, one of said
wicks being formed with a groove therein for reception
of said wire to engage said wire along at .least one side
thereof, said wire being adapted to simultaneously en
said base for movement thereon from one to another of two
positions, a cover for said container having two pairs of
openings therethrough, and a wick within each of said
openings extending into said container, said wicks being
gage the. other of said wicks along its opposite side, and 75 positioned so as to receive a ?rst wire between one pair
3,034,477
6
of said wicks and a second wire between another pair of
said wicks, whereby both said wires can be coated simul
taneously, one of said wicks in each of said pairs being
formed with a groove therein for reception of the wire, and
with said wires when said container is moved to the other
of its said positions, and means adapted to be applied to
said container over said wicks in airtight relation with
said container to thereby preserve the marking liquid in
said wires being adapted to simultaneously engage the
other of said wicks in each of said pair of wicks, said wicks
being disposed to engage said wires when said container
said container against evaporation.
is in one of said positions and to be out of engagement with
said wires when said container is moved to the other of
10. A wire coating device comprising a container for a
marking liquid, a pair of relatively offset wicks, said wicks
extending into said container, and means mounting said
container for movement from one to another of two posi
10 tions, said Wicks being disposed to engage said wire when
9. A wire coating device comprising a base, a container
said container is in one of said positions and to be out of
for a marking liquid, means mounting said container on
engagement with said wire when said container is moved
said base for movement thereon from one to another of
to the other of its said positions.
its said positions.
two positions, a cover for said container having two pairs
of openings therethrough, a wick within each of said 15
openings extending into said container, said wicks being
positioned so as to receive a ?rst wire between one pair
of said wicks and a second wire between another pair of
said wicks, whereby both said wires can be coated simul
taneously, one of said wicks in each of said pairs being 26
formed with a groove therein for reception of the wire, and
said Wires being adapted to simultaneously engage the
other of said wicks in each of said pair of wicks, said wicks
being disposed to engage said wires when said container
is in one of said positions and to be out of engagement 25
References Cited in the ?le of this patent
UNITED STATES PATENTS
2,432,404
2,712,297
2,766,136
Galatioto _____________ __ Dec. 9, 1947
McGraw _____________ __ July 5, 1955
Gray ________________ __ Oct. 9, 1956
350,056
833,117
Great Britain _________ __ June 11, 1937
France ______________ __ Oct. 12, 1938
FOREIGN PATENTS
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