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Патент USA US2388648

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Nov. 6, 1945.
H. N. SHEPPARD
7 2,388,648
METHOD AND MACHINE FOR MARKING’ CIRCULAR KNIT FABRIC FOR BOARDING
Filed July 1, 1944
4 Sheets-Sheet 1
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'HARF\’Y N. SHEPPARD
Q9 his ai‘i‘arvzeys
Nov. 6, 1945,
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H. N. SHEPPARD
2,388,648 '
METHOD AND MACHINE FOR MARKING CIRCULAR KNIT FABRIC FOR BOARDING
Filed July 1, 1944.
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METHOD AND MACHINE FOR MARKING CIRCULAR KNIT FABRIC FOR BOARDING
Filed July 1, 1944
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Nov. 6, 1945.
H. N. SHEPPARD ~
2,388,648
METHOD AND MACHINE FOR MARKING CIRCULAR KNIT FABRIC FOR BOARDING‘ ,
Filed July 1', 1944
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4 Sheets-Sheet 4
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HARRY N. SHEPPARD
@y his 61,220 T752 635
Patented Nov. 6, 1945
I ‘
2,388,648
UNITED STATES PATENT‘ OFFICE
2,388,648
METHOD AND MACHINE FOR MARKING
CIRCULAR KNIT FABRIC FOR BOARDING
Harry N. Sheppard, Maplewood, N. J ., assigncr to
Scott & Williams, Incorporated, New York,
N. Y., a corporation of Massachusetts
Application July 1, '1944, Serial No. 543,129
14 Claims.
This invention relates to seamless hosiery and
more particularly to seamless hosiery knit‘ of a '
thread formed of a material such for example as
the synthetic ?bre forming polymeric amides
(Cl. 66-1)
shown as are necessary to clearly illustrate the
invention.
In the drawings,
Figure 1 is a partial view in side elevation of
known as “nylon” which is adapted to be set to 5 a‘knitting machine in accordance with this in
r. a de?nite shape by subjecting the material to
vention, parts being broken away to'show other
' heat or heat and moisture as in the hosiery pre
parts more clearly;
boarding operation. In order that the hosiery
Figure 2 is a view in front elevation of the
may be properly shaped by the preboarding op
knitting machine head shown in Figure 1, parts
eration it is necessary that the hosiery be placed 10 being broken away to show other parts more
on the preboarding form with particular wales
clearly;
at the back and front of the hosiery exactly fol
Figure 3 is a partial plan view of the knitting
lowing the back and front edges, respectively, of
machine shown in Figure 1, parts being broken
the thin ?at form used in this operation.
In
away to show other parts more clearly;
boarding full-fashioned hosiery the seam at the 15 Figures 4 and 5 are vertical sections through
back and bottom of the hosiery provides a raised
the needle cylinder taken at different places so‘
guide enabling the operator to rapidly and accu
as to show different phases of the jack and nee
rately position the hosiery on the boarding-form
dle operation, Figure 4 showing the operation of
by placing the hosiery seam along the back edge
a jack for a needle other than those at the wales
of the form, an Operation which can be carried 20 to be placed on the preboarding form edge while
‘ out by feeling the position of the seam on the
Figure 5 shows the operation of a jack for a nee
form. With seamless hosiery there is no seam
dle‘ at a wale to be placed on the form edge;
to guide the operator and in order to place seam
Figure 6 is a perspective view of part of the
less hosiery on a boarding form so as to have the
operating means for applying coloring material
_ hosiery present the most attractive appearance 25 to the needles knitting the wales to be placed on
when offered‘ for sale it is necessary to place par
the preboarding form edge;
ticular wales of the hosiery on the back and front
Figure 7 is a fragmentary plan view showing
edges of the form. Careful inspection and ad
the cam operating the jacks of the needles to
justment, therefore, are ‘required to insure'seam
which coloring material is applied;
less hosiery being properly placed on the form
Figures 8 and 9 are views in elevation of the
and the operation is slow and costly and requires
back and front, respectively, of hosiery having
additional facilities to be provided. It ‘is an ob
coloring material applied in accordance with this
ject of this invention to provide seamless hosiery ' invention; and
Y
of the class described having means for guiding
Figure 10 is an enlarged view of a fragment of
the positioning of the hosiery on the forms for 35 the hosiery fabric showing the coloring material
the preboarding operation.v It is also an object
applied to two wales.
of this invention to provide a method of placing
As shown in Figures 8 and 10,'hosiery in ac
the guiding means on the hosiery during the
cordance with this invention has a guide mark
knitting thereof such that the. guiding means
M of a width of one or more needle wales extend
will correctly indicate the proper wales to be 40 ing down the center of the back of the leg L
alined with the edges of the form and it is a fur
ther object of this invention to provide a knit
from the welt W to the heel H. The mark is
omitted from the heel and toe but extends along
ting machine having means for placing such
the bottom of the sole S. A similar guide mark
guiding in proper position on the hosiery during
M’ may extend along the center wale or wales of
45
the knitting thereof.
~
the front of the leg from the welt W to and along
The invention is shown in the drawings in con
the top of the instep I to the toe. Preferably
nection with a Scott and Williams circular knit
the guide mark is formed of fugitive dye con
ting machine for-knitting hosiery having turned
trasting sufficiently in color with the thread of
welts, the machine being of the general construc
which the hosiery is knit to be readily seen when
50
tion shown in the patent to Scott, No. 1,282,958,
the hosiery is being placed on the preboarding
issued October 29, 1918, and provided with pat
terning mechanism comprising jacks and jack
selecting means such as are shown in the patent
form. As the preboarding operation sets the 4
thermo-setting thread of which'the hosiery is ‘
knit so that the hosiery tends to maintain the
to Page No. 1,969,853 issued August 14, 1934, and
only such parts of the knitting machine are
shape and size given it by the preboarding oper
ation, the removal of the fugitive dye forming
2,888,648
2
the guide mark during the subsequent dyeing and
?nishing operations does not interfere with rapid
and eiIicient boarding of the hosiery as the shape
assumed by the hosiery guides its placing on the
boarding form.
The machine for forming the guide mark onA-l;
the hosiery during‘ the knitting thereof shown";_
arm 24, con?nes a spring 5| coiled about the rod
26. The bell crank lever 35 is pivotally mounted
on a pin 31 carried by the yoke 50 which supports
the yarn ?ngers F1, F2, etc. and has an arm 38
provided with a laterally projecting pin 39 which
extends beneath the adjacent yarn ?nger F°l
Springs 40 and “extending between‘the bracket
42' and the 'arin' 38 ‘and yarn ?ngerF“, respective
in the drawings is a circular hosiery knitting ‘ . ly, hold the pin 59 engaged with the yarn ?nger
machine having a needle cylinder 260 -mountedv
F6 and bias the yarn ?nger toward the position
for rotation in a suitable frame and having‘ 10‘-'
which yarn is fed'to the needles.
needles N intermediate jacks'l32 and pattern
jacks 136 alined in the grooves thereof , there be- ~
ing a jack of each kind for each needle. The ma-v'
chine is also provided with the usual needle op.- V
crating cams, yarn ?ngers F1, F2, etc. operatedthrough push rods 460 from cams on the main
pattern drum I20. The pattern jack selecting ‘
'- -* In» the construction shown, a push rod "I,
when raised by a cam on the main pattern drum
I
, 120,‘r raises the associated
yarn finger to with
‘draw the yarn from the needles and when the
push rod passes from the cam holding it raised, it
permits the springéto operate the yarn finger to
apposition in which a yarn is fed to the needles.
As shown, the yarn ?nger F‘ does not supply a
means provided comprises a pattern drum 800" '
rotated step by step and operating reader cams
yarn to the needles but serves only as a“ means for
820 to select jacks for operating ‘needles in the p’ 20 operating the fountain brush to and from a posi
usual manner.
‘
_
The ‘guide mark is formed in ‘the hosiery" by
applying a, fugitive dye-to the hooks of ‘one " or
more needles‘knitting thelcentral Wale or wales
tionv in which the brushv supplies coloring mate-'
rial to the‘ raised selected‘ needles NZ, When
_ the yarn finger F“, is raised by its push rod, the
finger" F6, through its engagement with thelpin
at the back‘ or back and front of -"the*'hosiery.'__ 25 39; operates the bell crank.lever,35 to retract the
In order that the‘dye may be applied topthe
rod 26, rotating the angle member 1-5 and; shiit—
desired needles only‘such needles are selected by
ing-the fountain brush from'a position in which >
being raised in each revolution, when the guide’,
adjacent needles to take the thread for knitting.
it is engaged-by the-raised selected needles to a
position‘v <clear-v of ;. the path, of the needles.’
When the pushrod is withdrawn from the yarn
To secure the raising of the selected needles. the
?nger, the springs/40 and,“ Operate the bell
mark is being formed prior to the raising of the
pattern butts of the jacks 136a for the ‘selected’
crank lever 35 and the yarn ?nger F",-causing the
_ rod_26 to slide inthe opening in the arm; 24, com
needles are broken away so‘ that these jacks, after’
having their operating butts moved outwardly
by the engagement of the upper portion of the I "
press ,spring 5 l, and rotate the anglevmember ll
tov engage the pin 22 and place the fountain
jack with the cam I00, do not have their operat
brush in the ,path' of-the raised selected needles.“
reader cam 820 with‘ meet their pattern‘butts.’
in the drawings the thread used in the knitting of,
ing butts‘ pressed inwardly by engagement of 7a"_
‘In-the“ knitting of- they seamless hosiery shown I
Theioperating, butts of the selectedneedlesha‘ci 40
the turned welt was different‘ from -that.aused
' in _
cordingly' are‘ left positioned for engagement by‘
knitting the ‘leg .andvfoot and the pattern in
the cam VI [3 whichraises the selected jacks and
the welt was such thatthe thread could-be taken
and knit, in all coursesbythe needles selected‘
theneedles N’ associated with‘the'se jacks.’ while
leaving the remaining ~‘jacks and ‘their needles] .1 ‘ toform the. guide mark.,-,During the knitting of r
in their lowered positions at this point in'the' ' the welt-the fountain brush is held from the path
of: the raisedselecvted needles by a push rod hold-3
revolution of the needle cylinden Inknitting thev
leg and foot of the hosiery‘ shown vthe only jacks‘
ing-,the_ yarn ?nger F°- in raised position; The.
mainzpatternldrum cams Icon-trolling the yarn
operated are those for raising the needles to,_
?nger F? and thoseicontrolling the yarn ?nger.
as F”, which.‘ feeds vthe thread, to the needles for
take the coloring material and these jacks are
returned to their lowered positionslby the usual _.
cams. The remaining jacks are not operated,
the needles of the remaining jacks being oper
ated by the usual needle operating vcams to take
and knit the thread.
I
’
1
p
v
the knitting of the leg andioot are similar ‘and
similarly, placed on the "main pattern drum I20
so.v that the fountainvbrush is positioned to apply
' coloring material
to the raisedgselecte'd needles.
To apply the dye to the raised selectednee‘dles. 55 whenthe yarn is'supplied totthe' needles, for the
knitting of theglegland ‘foot and the fountain
there'is provided a fountain brush comprising a
brush'is withdrawn when that thread is with
suitable brush i0 supported in the lowerhopen
drawn during the knittin'gof the heel and toe.
end of a tubular dye holder 12 clamped to a post;
ffwhatis claimed is:
'
f f;
l4 secured to one arm of an angular member 16.
pivotally secured- to a bracket l by a bolt .' IS. 60
The bracket I is mounted on the latch ring 550
"'>_1. Inga inethodgof manufacturing hosiery onv
a seamless hosiery‘ macliine,.,the step ofzmarkin'g
hosiery fabric during knitting with a line infusi
~ and serves to support the dial spindle 3. A pin
on a body thre‘advto indicate av w‘ale for‘
22 in the bracket I limits the pivotal movement -' ti'veldye
engaging a'n'e'mge'of a preboarding form;vv "
of theangular member [6 in one direction to:a
position in which the brush I0 is‘ held in the path 65 a ._2,. In a method of manufacturing hosiery‘ ‘on’;
seamless 1hos'iery,_‘machine,"the, step of hunting
of theraised selected needles. The other arm
seamless ‘tubular; hosiery during knitting ,with a
of the angular member It has secured thereto a
line' in fugitive I dye on a "bQdy thread indicating
laterally, projecting arm 24 having at its outerend
.
an opening in which a rod 26 is slidably mountedl
Fixed on the rod 26 adjacent its ends, are_col-,
form};
.
».
ing,an edge of a‘preboarding
»,
'
I3,» In faj method ofmanufacturing hosiery on a
lars 28 and 29, the collar 28 securing theirod 25
sizarnle's's'?-hosiery'mw ‘. e,, the, stepiof marking
in the arm 24 while the collar 29 secures the bent
end of rod 26 in an opening in an-arm34 ‘Oil-a
bell crank lever 35. Fixed on theqrod :26 inter
mediate its ends is a collar 38 which, with the
M,
hosiery fabric
75
the needlesduring knitting with
a lineinfugitive, dyeion a, body thread indicating
wales for engaging an edge 01a preb'oarding form.
2,888,648
4. In a method of manufacturng hosiery, the
steps of applying fugitive dye to a selected needle
and applying the dye on the needle to the loop
drawn by said needle in the knitting of each
course to mark a line during the knitting indi
3
means for isolating selected needles above adja
cent needles, means i'or supplying coloring ma
terial to said isolated selected needles prior to
operation of said selected needles to take a thread
in the knitting of a course, means for operating
cating a wale for engaging an edge of a pre
said needles to draw loops of the thread, said
selected
needles applying the coloring material
5. In a method of manufacturing hosiery, the
to the thread loops drawn thereby, and means
steps of applying fugitive dye to the same se
lected needles prior to the taking of the thread 10 for rendering said coloring material supplying
means operative during the knitting oi’ the ho
by said selected needles and applying the dye on
siery leg and foot.
the needles to the loops drawn by said needles in
11. In a knitting machine having independent
the knitting of each course to mark during knit
boarding' form.
needles, means for diiferentiating a selected nee
dle in position fromthe adjacent needles prior to
form.
15 the operation of said selected needle to take a
6. In a circular hosiery knitting machine,
thread in the knitting of a course, means for
means for ‘raising selected needles prior to the
supplying coloring material to said selected nee
raising of adjacent needles to take a thread,
dle while said selected needle is di?erentiated
brush means for applying fugitive dye to the
' ting wales for engaging an edge of a preboarding
hooks of said raised selected needles, and pat .20 in position from the adjacent needles, and means
operating said needles to draw loops of the
tern means controlling the application of the
thread, said selected needle applying the coloring
fugitive dyes to said needle hooks.
material to the thread loop drawn thereby.
7. In a knitting machine having independent
needles, means for isolating a selected needle
12. In a circular knitting machine, means for
‘ a thread in the knitting of a course, and means
lected needle in the knitting of a course, means
operating a selected needle to a position di?'eren
above adjacent needles, means for supplying col
25 tiating said selected needle from ‘adjacent nee
oring material to said isolated selected needle
dles prior to the taking of a thread by<said se
prior to operation of said selected needle to take
for applying coloring material to said selected
operating said needles to draw loops of the
thread, said selected needle applying the color 30 needle while said selected needle is di?erentiated
in position from said adjacent needles, and means
ing material to the thread loop drawn thereby.
-to operate said needles to draw loops of the
8. In a circular knitting machine, means for
thread, said selected needle applying coloring ma
isolating selected needles above adjacent needles,
terial to the loops drawn thereby and said se
means for applying coloring material to said iso
lated selected needles prior to operation of said 35 lected needle being the same needle in each revo
lution of the machine.
'
selected needles to take a thread in the knit
13.
In
a
knitting
machine
having
independent
ting of a course, and means to operate said nee
needles including at least one differentiated nee
dles to draw loops of the thread, said selected
dle, means for supplying coloring material to said
needles applying the coloring material to the
di?erentiated
needle prior to the operation of
thread loops drawn thereby and said selected 40
said needle to take a thread in the knitting of
needles being the same needles in each revolu
a course, and means operating said needles to
tion of the machine whereby said selected nee
dles knit a colored stripe or stripes.
draw loops of thread, said differentiated needle
.
applying the’coloring material to the thread loop
drawn thereby.
9. In a circular knitting machine, means for
isolating selected needles above adjacent nee
dles, meansfor supplying coloring material to
said isolated selected needles prior to operation
14. In a knitting machine having independent
needles including at least one differentiated nee
dle, means for supplying coloring material to said
differentiated needle prior to the operation of
said needle to take a thread in the knitting of
a course, and means operating said needles to
draw loops of the thread, said differentiated nee
of said selected needles to take a thread in the
knitting of a course, and means for operating said
needles
needles
thread
needles
to draw loops of the thread, said selected
applying the'coloring material to the
loops drawn thereby and said selected
knitting colored loops in the same wales
dle applying the coloring material to the thread
loop drawn thereby and said di?erentiated needle
being the same needle in each revolution of the
in successive courses to form a contrasting pre
boarding guide in the fabric.
'
10. In a circular hosiery knitting machine,
‘
machine.
>
_
.
‘
HARRY N. SHEPPARD. '
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