US1015304A - Thread-waxing device for sewing-machines. - Google Patents

Thread-waxing device for sewing-machines. Download PDF

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US1015304A
US1015304A US30285306A US1906302853A US1015304A US 1015304 A US1015304 A US 1015304A US 30285306 A US30285306 A US 30285306A US 1906302853 A US1906302853 A US 1906302853A US 1015304 A US1015304 A US 1015304A
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thread
wax
heating
receptacle
waxing
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Andrew Eppler
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United Shoe Machinery Co AB
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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
    • Y10S118/19—Wire and cord immersion

Definitions

  • This invention relates to improvements in thread-waxing devices- :for sewing machines.
  • a wax .pot holding a supply of Huid wax is mounted in fixed position on the sewing machine and provided with means for heating it by steam or otherwise, and the thread t0 be waxed is conducted in a. bight into and out of the Wax about suitable guides, of which one'is immersed in the wax.
  • the thread after passing through the wax, is drawn through a rubber stripper for removing the surplus wax, the stripper being usually compressed upon the thread by an adjusting nut.
  • One'object ofthe present invention is to roduce a thread-waxing device which may iie threaded without these inconveniences the device being so arranged that it may be threaded without disturbing any of the thread guides, and Wit-hou'tthe use 0T any implement for threading the stripper.
  • Another object is to produce a wax pot having improved means for heating the wax by whichthe boiling ofthe wax, with the overtlowing and deterioration resulting therefrom, is avoided without the necessity of watchulness on the part of the operator,
  • A" further object of the invention Vis tol produce an improved stripper for threadwaxing devices, in which hardened steel 0r other durable material is substituted for rubber, with a consequent increasein durability, and which may be threaded more through the conveniently ⁇ than the ordinary form of stripper.
  • the invention consists in the improved threadwvaxing device hereinafter described, as defined in the claims.
  • Figure l is a side eleva tion of a thread-waxing device embodying the pre-'sent invention with the wax pot in lowered position
  • F ig. 2 is a vertical section on the line :v -a
  • Fig. 1 looking from right to left, showing the wax pot in raised position
  • Fig. 3 is a plan view.
  • the illustrated embodiment of the invention is constructed as follows z-
  • the .waxpot, thread-guiding devices, and wax-heating devices are carried by a bracket or support 1 which is secured to the frame or column of the sewing machine on which the thread-waxing -device is used.
  • the support 1 is provided with a flat portion 2 which forms normally a cover for' the wax pot.
  • the wax pot 3 is mounted on a vertical rod 4 ixed to the support 1the pot being provided with a split sleeve 5 and a hand screw 6 by means of which it may be'secured in' A various vertical positions upon the rod ,4.
  • a ⁇ washer 7 on the lowerv end of the rod 4 preventsthe wax pot from becoming disengaged from the rod.
  • the wax pot is normally in the position of Fig. Qand the thread is guided about a pulley 8 which normally occupies a position within the wax potso that the thread is drawn down into the .Wax and permeated thereby in the usual manner.
  • the pulley 8 is journaled 0n a frame 9 fixed to two vertical U shaped tubes l() fixed to the support 1, which serve not only to sup portthe pulley 8 but act also as heating lnembers to melt the wax in the wax pot and maintain it in liquid condition during the operation of the sewing machine.
  • These tubes l() form jackets for steam tubes v11 which pass through them, there being an air space between the steam tubes 11 and theA through the jaws 12 of a dry-thread tension device o:ordina'1y'-or1n, the-,jaws 12jbeing pivoted ⁇ 'upon-a' screw -13 .and pressedA to. gether by a spring 1l so as to subject. the thread to slight tension.
  • the Wax potis provided Witlradiaphraigm 15 extending fronito'p tofbottoinfthereof.v This affords' a space ⁇ 16.i'n v which Vthe cold Wax may be 'placed, and fthe,l diaphragm 15 is provided withperforations 17 through' which the ⁇ Wax',when',nielteril; Ignayl-prpiass into the The, stripper v'is :of a vn ovel f o'rm in which I the thread, ,y instead of' passing through a rubber'blockL inj'the,,usualv manner, is drawn between two'o'ppgosite 'surfacesofliardened e steel 'or otherf hardmaterial.' The stripper fb galliate.
  • fl ⁇ he steam tubes 11 are connectedwith any Vsuitable sourceL of steam, preferably with the exhauststeam of the heating device-s of the sewing machine.
  • the jackets 10 providing air spaces about the steam tubes, overheating ofthe Wax is prevented, and this isa raluable Jfeature boiling over and becoming damaged by overheating while dispensing with the necessaryto prevent such an loccurrence'in the wax pot of 'ordmary form.
  • the thread may be "dur-,infn 'idei ,since it obviates the possibility of the -wax ,y
  • A; thread-waxing device having, in
  • a thread-waxing device having, in combination, a wax receptacle, a steam 'pipe therein, and a tube loosely surrounding the steam 'pipe toprevent contact of the wax therewith, substantially ,as described. 6.
  • a thread -waxing g' device having, in combination, a wax receptacle, two parallel U shaped heating tubes extending down "into the wax receptacle, a threadtruck'lecated between the lower portions of the-'tibes,and means for supporting *the ⁇ wax lreceptacle and thetubes, substantially as described.
  • a thread-waxing device having, in combination, a wax receptacle, means for guiding the thread thereinto, and a stripper comprising two metal-iblocks' relatively ad# ⁇ justable transversely to the leadY of the thread having oppositely disposed notches forming' between them an opening for the passage of the thread, one of said blocks being mounted to yieldin the direction ot.
  • a thread-waxing device having, in combination, a wax receptacle, means for guiding the thread thereinto, and a stripper comprising two metal blocks relatively adjust-able transversely to the lead of the thread having contacting surfaces and oppositely, disposed notches normal to said surfaces the adjacent extremities of kthe notches forming between them an adjustable opening for the thread, one of said blocks being mounted to yield in the direction of the lead of the thread, substantially as described.
  • a thread waxing device having, ⁇ in combination, a wax receptacle, means for guiding the thread thereinto, a stripper.
  • a threadwaxing 1 device' having, in combination, a support, 'a heating memberl mounted in fixed position on the support, 1 and a wax potl normallyinclosing-la portion of-the heating member but adjustable toward and fromjhel same, 'substantially as described.
  • a thread waxing combination a wax receptacle, means for means for heating the wax in proximity to the thread while maintaining the walls of the receptacle relatively cool comprising a heating member extending into the wax receptacle in proximity to and parallel with the thread, substantially-as described.
  • a thread waxing device having, in combination, a Vwax receptacle, means for heating the wax in proximity to the thrad while maintaining the walls of the receptacle "relatively cool comprising a heating member extending downwardly into and them an -opening for vthe passage Vof the l device, having, in
  • a thread, waxing device having, in combination, aV wax receptacle, means for heating the wax in proximity ⁇ to the thread w'server maintaining the walls of the receptacle relatively cool comprising a heating member extending into ⁇ the wax in the receptacle and surrounded thereby, and means for guiding the 'thread through t-he wax in close proximity to the surface of said heatinfanda eoppersteam tubepassing looselyi ing member and parallel thereto, substantially-as described.,A
  • A', 14.' A' threadwax1ng device having,A iii combination, a Wax pot, a ⁇ copper heating tube therein, and a jacket of'less conduct-ivity than the copper vtube forming, an air spacel about the; latter, substantially as def SCI'lbQd.
  • 'A thread Waxing device having, in 'combinationira- ⁇ Wax-ponen iron tube therethrough the-iron tube5 substantially as described.4 l
  • Va waxreceptacle a U-shaped lieatingltube containing ajheatingizidextending'downuinto4 :thefwax 4inthe receptacle, and a thread guide located at the low'erportionof the tube'to guidethe thread in prox- ;iimityto the tube and vrparallel therewith,
  • a thread waxing guiding the thread thereinto, a stripper comprising two overlapping 'metal blocks relatively adjustable transversely to the lead of the thread and having oppositely dis-.
  • A7 thread Waxing device having1ng,-. in combmatlon, a wax receptacle, means for guiding the .thread thereinto, a stripper' l. comprising two overlapping metal ⁇ blocks having oppositely disposedk notches forming,

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Description

- lA. BPPLE. i 'THREAD WAXING DEVIOE POR SEWING MACHINES.
APPLIOATI'ONAIILED FEB.26A, 19061.
Patetea Jan. 23, 191.24
.IWIKII 9... ZQW
'muren srarns PATNT onirica.
ANDREW EIPLER, OF BOSTON. MASSACHUSETTS, ASSIGNOR TO UNITED SHOE IVIACHINERY COMPANY, OF PATERSQN, NEIV JERSEY, A CORPORATION OF NEW JERSEY.
THREAD-WAXING DEVICE FOR SEWING-MACHINES.
Specication of Letters Patent.
Patented Jan. 23, 1912.
Application filed February 26, 1906. Serial No. 3U2,853.
To all whom it may concern.'
Be it known that I, ANDREW EPPLER, a citizen ot' the'United States, residing at Boston, in the county of Suffolk and State of Massachusetts, have invented certain new and useful Improvements in Thread-Waxing Devices for Sewing-Machines; and I do hereby declare the following to-be a full, clear, and exact Adescript-i'onof the invention, such as will enable others skilled inthe art towhich it appertains to make and use the same.
This invention relates to improvements in thread-waxing devices- :for sewing machines.
In thread-waxing devices as commonly constructed a wax .pot holding a supply of Huid wax is mounted in fixed position on the sewing machine and provided with means for heating it by steam or otherwise, and the thread t0 be waxed is conducted in a. bight into and out of the Wax about suitable guides, of which one'is immersed in the wax. The thread, after passing through the wax, is drawn through a rubber stripper for removing the surplus wax, the stripper being usually compressed upon the thread by an adjusting nut. .In a device of the kind described it is necessary, lwhen threading the machine with a fresh thread, to remove the lower thread guide from the wax-pot in order` to pass the thread around it, and the thread is' passed through the stfripper by means of a hooked wire thrust perforation of the rubber block.
One'object ofthe present invention is to roduce a thread-waxing device which may iie threaded without these inconveniences the device being so arranged that it may be threaded without disturbing any of the thread guides, and Wit-hou'tthe use 0T any implement for threading the stripper.
Another object is to produce a wax pot having improved means for heating the wax by whichthe boiling ofthe wax, with the overtlowing and deterioration resulting therefrom, is avoided without the necessity of watchulness on the part of the operator, A" further object of the invention Vis tol produce an improved stripper for threadwaxing devices, in which hardened steel 0r other durable material is substituted for rubber, with a consequent increasein durability, and which may be threaded more through the conveniently` than the ordinary form of stripper.
The invention consists in the improved threadwvaxing device hereinafter described, as defined in the claims.
In the drawings Figure l is a side eleva tion of a thread-waxing device embodying the pre-'sent invention with the wax pot in lowered position, F ig. 2 is a vertical section on the line :v -a, Fig. 1 looking from right to left, showing the wax pot in raised position, and Fig. 3 is a plan view.
The illustrated embodiment of the invention is constructed as follows z- The .waxpot, thread-guiding devices, and wax-heating devices are carried by a bracket or support 1 which is secured to the frame or column of the sewing machine on which the thread-waxing -device is used. The support 1 is provided with a flat portion 2 which forms normally a cover for' the wax pot. The wax pot 3 is mounted on a vertical rod 4 ixed to the support 1the pot being provided with a split sleeve 5 and a hand screw 6 by means of which it may be'secured in' A various vertical positions upon the rod ,4. A` washer 7 on the lowerv end of the rod 4 preventsthe wax pot from becoming disengaged from the rod. The wax pot is normally in the position of Fig. Qand the thread is guided about a pulley 8 which normally occupies a position within the wax potso that the thread is drawn down into the .Wax and permeated thereby in the usual manner. The pulley 8 is journaled 0n a frame 9 fixed to two vertical U shaped tubes l() fixed to the support 1, which serve not only to sup portthe pulley 8 but act also as heating lnembers to melt the wax in the wax pot and maintain it in liquid condition during the operation of the sewing machine. These tubes l() form jackets for steam tubes v11 which pass through them, there being an air space between the steam tubes 11 and theA through the jaws 12 of a dry-thread tension device o:ordina'1y'-or1n, the-,jaws 12jbeing pivoted `'upon-a' screw -13 .and pressedA to. gether by a spring 1l so as to subject. the thread to slight tension. After passing around the' pulleys 8 andthrough the Wax,
4the thread is drawn through a stripper by" Which the surplus Wax is removed before the thread is delivered tothe sewing machine. In order to maintain the supply of Wax inthe Wax po-t 'during the long-continued` operation'ofthe sewing machine, itjis necessary occasionally to insert pieces of cold Wax inthe wax pot. To prevent Contact between 'imper'fectly .r'n'elted wa'land the thread, the Wax potis provided Witlradiaphraigm 15 extending fronito'p tofbottoinfthereof.v This affords' a space `16.i'n v which Vthe cold Wax may be 'placed, and fthe,l diaphragm 15 is provided withperforations 17 through' which the} Wax',when',nielteril; Ignayl-prpiass into the The, stripper v'is :of a vn ovel f o'rm in which I the thread, ,y instead of' passing through a rubber'blockL inj'the,,usualv manner, is drawn between two'o'ppgosite 'surfacesofliardened e steel 'or otherf hardmaterial.' The stripper fb galliate.
. 1ST 'mayffbe .adjusted flogltudilelly toward ""and from 'the blocli:` ,Tol vpermit knots or enlargements in :the thread .to pass through ,mallyheldpdorfi ,against the' block ,18 by a spring 2vhich engages .at one end an upi'varden'tentling farm' 25 xed to the block 19, the: othnend 'ginie Spring engaging;
the 13.V Whenanenlargement of the enlargement p'ass,` whereby dof threadv 1s avoided. The
'b'ldclll immediately afterward returns eparablef' portion. 1n the form of 1a neigtm11 l on the 111i wie Ir Order ythat the I, bejpaedi 'paneel ,the lie. les" 0' Byembvmgith@extendendovid'edfor convenience eat-:eidezfhebodyfof; .the supportlr vst.ripper andthe dry' QV, and between the block and the body of the supportone of: the heating members is cla1nped,asshownin Fig. 3, the other heating member, being clamped against lthe block :26 by aclamp member 28 engaged by the screw k27. Y
fl`he steam tubes 11 are connectedwith any Vsuitable sourceL of steam, preferably with the exhauststeam of the heating device-s of the sewing machine. By the use of the jackets 10 providing air spaces about the steam tubes, overheating ofthe Wax is prevented, and this isa raluable Jfeature boiling over and becoming damaged by overheating while dispensing with the necessaryto prevent such an loccurrence'in the wax pot of 'ordmary form. 'i The provisionv forvertlcal adgust-ment of or disturb in any way thefthread-guiding fui extent wenige-gefieheaanghigiqb of the heating" membersfand'tli'e thread asy it fis' drawn througli the'. Wax, passes n bers. isa lfirst: 'meilfeldnmd' ,as this 1S..tl1;e. nel* tion offtliefyvai'f-inwhich tlietheady ivsfiiifi4 beguna'lmost immediately, Without wa hea ted ftheieby.`
l block fll ,the thread may be "dur-,infn 'idei ,since it obviates the possibility of the -wax ,y
watchfulne'ss on the part ci." the operator.
and controlling `devices. ivThis'' arrangementj also "facilitates, l the chieda'ning' 'Qi the p' 't i i which is occasionally necessary, '1t b'ei'ng n' es sary 'merely f to' loyv'er 4fue' potifand". itto fone side of tfhe'fiired'partsoithefdell4 vicegin' order tompe i submerged in'th'e' Wax be','\'f'a'ried thus any f' deslred temperaturejmay lbe jmain? An important' feature the Aentl 1 guides resides in tliejjact ,-tl'iat the close proximity to' the"heating devices; andl is, indeed, closely embracedthereby. `VVhenlf, the steam isfrst'turned on to 'commence the Operation. of .the serine' Wahine the; ira-a" adjacent to and' betiveen the' heat-'ing meinfm, armani@ body" f warmth-e paname@ t The threadptr'u'clralso, Abeing infnie'tzyxl li'c''x COUHC- .YW I h vheating members', i's quickly the 4Wax pot 'independently-v of theheating devices and thread pulley greatlyffacilitates' the threading of the device, andenablesthe y operator at any time to examinethe `condition of all parts ci the mechanism by merelyl looseningthe hand scrcny 6 and lowering lthet "Wax pot, it beingunnecessary' to ydiscoi'rnfect thainfrirf'df' .,xrparcffhefs mi fbefmmovedfand revamped ene;
t-irely ,fteinfthflfd' 'elltherl Cf #hereticaladjustment.'@fermata residesin' the Ifact" thaft'this nt may mersed'the operation ofthe machine ,maybei i into the notches between the blocks, an operation much more convenient than that `of passing it. through the 'perforated rubber block in the usual form of stripper.' The durability vof this-form of strippe'rjis also much greater than that of a rubber stripper since -it may be made'o toolsteel hardened outright, in which case it will operate for months without wear or the necessity for any adjustment except when diiferent sizes 4ofthreadareused in the machine.
The'invention is not limited tothe details of construction and operation of the illus'-y tratedembodiment or to the conjoint use ofY all of' itsfeatures, but may be embodied in -other -forms broadly defined in the claims. Having now described the invention, what is fclaimed is i 1. A thread-waxing.- device having,V in.
combination, a support, 'thread guides mounted thereon, and a wax receptacle mov'- -ablyfmounted ongthesuppo'rtso as to be 'movable into or'out of a position in'jwhich= the thread is immersed in the wax, substantially'as described.
'2. A; thread-waxing device, having, in
fcOmbinatiOn, a support, lav thread gui 4.f.A thread- Waxing device having, 'in'4 combination, 'a wax'receptac1ea heatin member locateddn the wax receptacle,l an an air jacketinclos'ing ,the heating member and preventing contact 'of the wax therewith, substantially as described.v
5. A thread-waxing device having, in combination, a wax receptacle, a steam 'pipe therein, and a tube loosely surrounding the steam 'pipe toprevent contact of the wax therewith, substantially ,as described. 6. A thread -waxing g' device having, in combination, a wax receptacle, two parallel U shaped heating tubes extending down "into the wax receptacle, a threadtruck'lecated between the lower portions of the-'tibes,and means for supporting *the `wax lreceptacle and thetubes, substantially as described.
' 7.*A thread-waxing device having, in combination, a wax receptacle, means for guiding the thread thereinto, and a stripper comprising two metal-iblocks' relatively ad# `justable transversely to the leadY of the thread having oppositely disposed notches forming' between them an opening for the passage of the thread, one of said blocks being mounted to yieldin the direction ot.
the lead of the thread, substantially as described.
8. A thread-waxing device having, in combination, a wax receptacle, means for guiding the thread thereinto, and a stripper comprising two metal blocks relatively adjust-able transversely to the lead of the thread having contacting surfaces and oppositely, disposed notches normal to said surfaces the adjacent extremities of kthe notches forming between them an adjustable opening for the thread, one of said blocks being mounted to yield in the direction of the lead of the thread, substantially as described.
9. A thread waxing device, having,` in combination, a wax receptacle, means for guiding the thread thereinto, a stripper.
comprising two metal Vblocks having oppoy sitely disposed notches .forming between .thread-means for `adjusting one of said' blocks toward andfrom the ,otherand means for supporting the'other block while per- `mittin it to yield in the direction of the leado .the-thread.
10.l A threadwaxing 1 device' having, in combination, a support, 'a heating memberl mounted in fixed position on the support, 1 and a wax potl normallyinclosing-la portion of-the heating member but adjustable toward and fromjhel same, 'substantially as described. f
11. A thread waxing combination, a wax receptacle, means for means for heating the wax in proximity to the thread while maintaining the walls of the receptacle relatively cool comprising a heating member extending into the wax receptacle in proximity to and parallel with the thread, substantially-as described.
12. A thread waxing device, having, in combination, a Vwax receptacle, means for heating the wax in proximity to the thrad while maintaining the walls of the receptacle "relatively cool comprising a heating member extending downwardly into and them an -opening for vthe passage Vof the l device, having, in
guiding the thread through the wax and.
surrounded by the wax in the receptacle and devices for guiding the thread through ,the
Wax in close proximity to the surface of said heating member and parallel thereto, substantially as described. v
'13. A thread, waxing device, having, in combination, aV wax receptacle, means for heating the wax in proximity `to the thread w'iile maintaining the walls of the receptacle relatively cool comprising a heating member extending into `the wax in the receptacle and surrounded thereby, and means for guiding the 'thread through t-he wax in close proximity to the surface of said heatinfanda eoppersteam tubepassing looselyi ing member and parallel thereto, substantially-as described.,A
A', 14.' A' threadwax1ng device having,A iii combination, a Wax pot, a `copper heating tube therein, and a jacket of'less conduct-ivity than the copper vtube forming, an air spacel about the; latter, substantially as def SCI'lbQd.' v i v f 1'5.` 'A thread Waxing device having, in 'combinationira- `Wax-ponen iron tube therethrough the-iron tube5 substantially as described.4 l
ies-
coinbination, Va waxreceptacle, a U-shaped lieatingltube containing ajheating luidextending'downuinto4 :thefwax 4inthe receptacle, and a thread guide located at the low'erportionof the tube'to guidethe thread in prox- ;iimityto the tube and vrparallel therewith,
theethreadffwhile :maintaining Walls of i the .pot relatively cool comprising 'l a heating- In'mberi extending downwardly from th'e f'iovenio.v the' 'pot .lnto and surroundedA by the Wax in the p o't, and 'devicesfor guid ,the thread throughethe .wax fin proximityltofthesurace of the heating memberand pmallelfathereto; "substantially, asI described.4
combination; aA wax pcg-means for l,heating the zvriaizlffin.proxil'nty toitheg thread while maintaining the vvalls of the receptacley relativelyncool comprising' Itwo vertical heating members-. locatedf 4close proximitywin the stantially as described.
ture, in presence of :two n'ritness'es.fli
" f AND'"Hint` aybe obtained fori-five cents each,'by addressingithe Gummiss'ioner i' Washington, D. C. i f
warf: pot, and means for guiding 4the threadvertieally between the heating members, sub-' 19. A thread waxing guiding the thread thereinto, a stripper comprising two overlapping 'metal blocks relatively adjustable transversely to the lead of the thread and having oppositely dis-.
posed notches forming between them ank opening vfor the ypassage of the thread,
means for pivotally supporting one of said blocksyand a -spring' actmg on said block to permit it to yieldin the direction of the; lead of the thread when engaged by Va knot g y `or other lirregularity inthe thread,substan tiallyas described. i.
20. A7 thread Waxing device, ;hav1ng,-. in combmatlon, a wax receptacle, means for guiding the .thread thereinto, a stripper' l. comprising two overlapping metal` blocks having oppositely disposedk notches forming,
between them an opening for` thepassagepofY the thread, means for. adj usting, oneof: said blocks toward and from the other,';a pivotal 'support for the-other block, gandfa spring acting on said 'last mentionedblock to' perdevice, having, in .combination, a wax receptacle, vmeans, for
mit it to yield in the directioiifoi thelead.'
of; the-thread when engaged by ai, knot-Eerl other ,irregularity in the thready. sul)stan;I 1V tially as described.
' In testimony whereof ot' Patents.
US30285306A 1906-02-26 1906-02-26 Thread-waxing device for sewing-machines. Expired - Lifetime US1015304A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2521807A (en) * 1945-07-31 1950-09-12 Celanese Corp Apparatus for treating with liquid running yarns and threads

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2521807A (en) * 1945-07-31 1950-09-12 Celanese Corp Apparatus for treating with liquid running yarns and threads

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