US2952890A - Yarn control device - Google Patents

Yarn control device Download PDF

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Publication number
US2952890A
US2952890A US542007A US54200755A US2952890A US 2952890 A US2952890 A US 2952890A US 542007 A US542007 A US 542007A US 54200755 A US54200755 A US 54200755A US 2952890 A US2952890 A US 2952890A
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United States
Prior art keywords
yarn
guide
lever
counterweight
path
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Expired - Lifetime
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US542007A
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English (en)
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Stanier Harold
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • E04G11/50—Girders, beams, or the like as supporting members for forms
    • E04G11/52—Girders, beams, or the like as supporting members for forms of several units arranged one after another
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
    • B65H59/20—Co-operating surfaces mounted for relative movement
    • B65H59/22—Co-operating surfaces mounted for relative movement and arranged to apply pressure to material
    • B65H59/225—Tension discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
    • B65H59/36—Floating elements compensating for irregularities in supply or take-up of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
    • B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
    • B65H63/036—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the combination of the detecting or sensing elements with other devices, e.g. stopping devices for material advancing or winding mechanism
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D6/00—Truss-type bridges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1924—Struts specially adapted therefor
    • E04B2001/1933—Struts specially adapted therefor of polygonal, e.g. square, cross section
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B2001/1924—Struts specially adapted therefor
    • E04B2001/1936—Winged profiles, e.g. with a L-, T-, U- or X-shaped cross section

Definitions

  • This invention relates to yarn control devices and is concerned with such a device which, although applicable generally, is more particularly intended for controlling yarn While being drawn off over end from bobbins or other packages.
  • a yarn control device which comprises a yarn guide or eyelet movable, under the varying instantaneous tension in the yarn, about a centre and against the loading of a weight from a position in which, with the yarn passing through the guide or eyelet, it determines a longer path for the yarn through the device to a position in which it determines a shorter path, and back again.
  • An important object of the present invention is to modify the yarn control device described in the specification of the aforesaid patent so that it acts also as a simple and instantaneously operating electrical stop motion for the machine, such as a warp-beaming machine, by which the yarn is being drawn off from the packages mounted, for example, on a creel. Further objects are to simplify and improve the device in order to enable reduced tension to be imposed on the yarn by its passage through the device and to increase the sensitivity of the latter.
  • a still further object is to provide a yard control device in which relief of yarn tension from the yarn guide or eyelet causes the latter to move to a position in which it determines the longest path for the yarn through the device and in so doing makes or breaks an electric contact to stop the machine or device utilising the yarn.
  • a counterweight is employed, as in the aforesaid patent, as a means of automatically increasing the loading on said yarn guide or eyelet as it moves towards a position in which it determines the shortest path for the yarn through the device, and this counterweight may be arranged to contact an element carried by the device in order to effect the aforesaid making or breaking of the electric contact.
  • a stop motion is provided which requires no threading of the yarn through drop wires or the like, as is customary with'many of the known forms of electric stop motions used in warping from a creel.
  • the yarn does not even come into contact with the movable contact-making and -breaking member of the electric stop motion whereby further damage to the yarn is avoided, in. addition to the advantage that the tedious threading oftlle yarn through the drop wires is complete.- ly obviated.
  • the yarn guide or eyelet in. the position in which it determines theshortest path for the yarn through the device, is in alignment with theentry and, outlet guides-which are themselves arranged in staggeredrelationship so that, with 2,952,890 Patented Sept. 20, 1960 the path of the yarn through the device is straight and diagonally of the device, so that the yarn may pass through the latter with only two changes in direction.
  • the arrangement may be such that the total resultant change in direction of the path of the yarn between entering and leaving the device is of the order of this change in direction being composed of two component changes in direction, one at the entry guide and the other at the outlet guide, of about 45 each.
  • the yarn can be run through the device at high speeds and, as a result of the very low friction, without damage to the most delicate filaments. Furthermore as a result of the free and unrestricted path of the yarn the generation of static electricity is greatly reduced, as Will be made more clear hereinafter.
  • Figure 1 is a broken side elevation of the yarn control device and electrical stop motion
  • FIG. 2 is a detail view on an enlarged scale of the counterweight shown in Figure 1,
  • Figure 3 is a sectional end view of the device shown in Figure 1 substantially on the line III-4H of that figure,
  • Figure 4 is a broken plan view of the device, the figure also showing one end of a bobbin from which yarn is drawn off through the device, and
  • Figure 5 is a plan view of two of the devices arranged side by side on a side frame of a creel, only a portion of which is shown, the bodies of the devices being formed from a common channel member.
  • the improved yarn control device 10 shown therein comprises a body or base plate 11 in the form of a shallow channel 12 of the same cross-section as is described and illustrated in the specifieation of Patent No. 2,771,254 and, as described there in, a series of the bodies or base plates for a given row of bobbins are preferably formed by a continuous length of extruded channel of the section described.
  • a continuous length may extend from end to end of a creel frame 9 or from end to end of any particular section of a creel.
  • the various lengths of channel 12 are mounted, as before, along each side of the bobbin bars of the creel, parallel to such bobbin bars and in laterally spaced relation thereto, with their upwardly and inwardly extending inclined flanges 13 disposed nearer to such bobbin bars.
  • One of the yarn control devices 10 is arranged opposite each bobbin spindle, shown M14 in Figures 4 and 5, so that the yarn 15 from the respective package or bobbin 16 travels substantially normal to the channel 12, as shown at 17 in Figure 4, through the device 10 and then forwardly, substantially alongside the channel, as shown at 19, to the warpbeaming machine, all as in the aforesaid Patent.No. 2,77 1,254.
  • the body or base plate 11 is formed with an entry guide or eyelet 20 disposed in much the same position as in the original arrangement but, instead of being arranged opposite thereto, the outlet guide or eyelet 21 is in staggered relation to the entry eyelet, being disposed at some distance forwardly of the latter, i.e. in the direction from which the yarn 15 is drawn ofI through the device.
  • the entry and the outlet eyelets 20, 21 thus define a diagonal path 18 for the yarn, Figure 4, across the body or base plate 11 and a cylindrical guide or bollard 22 is arranged only slightly behind such path where by yarn passing directly between the entry and outlet eyelets passes between a firstannular disc-like member 24 of a weight 25 and a second dished disc-like member 23 'mounted upon a cylindrical guide 22.
  • a metal support 27 carrying another eyelet 28 is arranged, as in the aforesaid patent, except that such metal support is dis-. posedso 'as to be normal to the diagonal path 18 to whichfreference has already been made.
  • a compensating leveror arm29, loaded by means of a counterweight 31, is arranged as before except that the eyelet 30 which it carries at its free end is turned into parallelism with the eyelet 28 carried by the metal support 27 when the lever or arm 29 is in the position shown in'br'oken lines in Figures 1 and 4 in which it determines a shorter path for the yarn 15 through the device.
  • the yarn may be passed around the cylindrical guide or bollard 22 instead of following a straight path between the disc elements.
  • a horned guide 34 is mounted as before forwardly of the cylindrical guide or bollard 22, such horned guide being mounted on the inclined flange 13 ofthe channel 12, as in the previous arrangement.-
  • the .yarn' may be passed from the entry eyelet 20 forwardly and around the horned guide 34, thereafter rearwardly round the cylindrical guide or bollard 22 and thence.
  • the counterweight 31 of the compensating lever or arm 29 is preferably'lighter than in the original form of the device, being no longer cylindrical in shape but having the circular cross-section. reducedto that of a sector of approximately 147 subtended angle, as shown clearly in Figure 2.
  • the pivotpins' 33 are arranged as before and the lower end 29a of the compensating leveror arm is attached to the arcuate surface of the counterweight at a point approximately from the pivot axis. Accordingly, with the lever or arm 29 in the position in which it determines the longest path for the yarn 15 through the device-10, the lower corner 3-1aof the counterweight cross-section falls to a point near the cover plate 35 which closes the open lower end of the subsidiary downwardly directed channel 36.
  • an electrical contact rail 37 7 runs, such rail being electrically insulated from the cover plate by a strip of material 38 disposed between it and the cover plate.
  • an element forsuspending the stop motion function of each yarn control device 10 temporarily out of use.
  • Such element may take the form of a stilt wire in order to keep the counterweight 31 at the lower end of the latter raised from the contact rail 37, one end of the wire being bent to form a clip enabling the wire to be attached to the vertical wall 39 of the channel 12 to retain the leve or'arm inthe counterweight-raising position.
  • the counterweight may have the subtended angular portion of its sector-shaped cross-section scalloped out, as shown by the broken'line 40 in Figure 2, so that it becomes an arcuate shell,or almost pawl-like in shape.
  • the pin or plunger 32 may be made of fibre or plastics, in; stead of metal, in order to effect a further saving in weight and consequent increase, in sensitivity, and the mass of the weight 25 operated by the pin or plunger'may also be reduced with the same object.
  • the same basic device may, therefore, be adapted to suit a wide variety of ditferent conditions.
  • a yarn control device comprising in combination abody, entry and outlet guides for the yarn fixedly mounted in said body, a movable yarn guide disposed between said entry and outlet guides, a lever carrying towards one of its ends said movable yarn guide; a pivot for said lever arranged towards its opposite end'and disposed so thatthe lever and movable yarn guide swing about the pivot in a plane inclinedto the shortest path of the yarn through the device from the entry guide to the outlet guide, 'aicounterweight to which said lever is rigidly connected and which is offset from and movableabout said pivot to loadsaid lever and is raised about the pivot as the lever turns about the latter against the.
  • a yarn control device comprising in combination a body, an entry guide for the yarn fixedly mounted on one side of said body, an outlet guide for the yarn fixedly mounted on the other side of said body, a movable yarn guide disposed between said entry and outlet guides which are arranged in staggered relationship longitudinally of said body, a lever carrying towards one of its ends said movable yarn guide, a pivot for said lever arranged towards its opposite end, a counterweight, oflset from and movable about said pivot, which loads said lever and is raised about the pivot as the lever turns about the latter, against the loading, under the varying instantaneous tension in the yarn passing through said movable yarn guide, from a position in which the latter determines a longer path for the yarn through the device to a position in which it determines a shorter path, said counterweight being lowered on reverse movement of the lever, a first disc-like member superimposed upon a second disc-like member to form a further yarn guide with the yarn passing between the adjacent surfaces of the
  • a yarn control device comprising in combination a body, an entry guide for the yarn fixedly mounted on one side of said body, an outlet guide for the yarn fixedly mounted on the other side of said body, a movable yarn guide disposed between said entry and outlet guides which are arranged in staggered relationship longitudinally of said body, a lever carrying towards one of its ends said yarn guide, a horizontally arranged pivot for said lever disposed towards its opposite end, a counterweight, offset from and movable about said pivot, which loads said lever and is raised about the pivot as the lever turns about the latter, against the loading, under the varying instantaneous tension in the yarn passing through said yarn guide, from a position in which the latter determines a longer path for the yarn through the device to a position in which it determines a shorter path and is lowered on reverse movement of the lever, a vertically slidable plunger adjacent the axis of said pivot and carried by said body, a cam formed by a surface of said counterweight against which the lower end
  • a yarn control device for a machine utilising yarn and by which the yarn is drawn off from packages mounted on a creel, a yarn control device according to claim 2, wherein said body is in the form of a shallow channel adapted to extend longitudinally of a side frame of the creel and has a transverse portion with projecting side walls which carry said inlet and outlet guides respectively, said transverse portion having portions extending therefrom to form a subsidiary downwardly directed channel the walls of which carry said counterweight which lies therebetween, said device further comprising a cover plate which closes the lower end of the downwardly directed channel and upon the upper surface of which said contact element is mounted so as to be electrically insulated therefrom.
  • a yarn control device comprising in combination a body, a yarn guide, a lever carrying towards one of its ends said yarn guide, a horizontally arranged pivot for said lever disposed to wards its opposite end, a counterweight, offset from and movable about said pivot, which loads said lever and is raised about the pivot as the lever turns about the latter, against the loading, under the varying instantaneous ten:- n in t e ya Pa in hr ug said y n de rom a position in which the latter determines a longer path for the yarn through the device to a position in which it determines a shorter path and is lowered on reverse movement of the lever, a vertically slidable plunger adjacent the axis of said pivot and carried by said body, a cam formed by a surface of said counterweight against which the lower end of said plunger bears and which effects progressively increasing raising movement of said plunger as said counterweight is raised, a first disc-like member superimposed upon
  • a multiplicity of yarn control devices for a machine utilising yarn and by which the yarn is drawn 01f from packages mounted on a creel, a multiplicity of yarn control devices according to claim 2 the bodies of which for a given row of packages carried by the creel are formed from a common channel member extending longitudinally of the creel portion carrying said row of packages, said contact element extending continuously along the length of the channel.
  • a yarn control device comprising in combination a body in the form of a shallow channel the side walls of which are adapted to extend longitudinally of a side frame of the creel, an entry guide for the yarn fixedly carried by the inner side wall of said body, an outlet guide fixedly carried by the outer side wall of said body, said entry and outlet guides being horizontally aligned with each other and arranged in staggered relationship longitudinally of said body, a movable yarn guide disposed between said entry and outlet guides, a lever carrying wards one of its ends said movable yarn guide, a horizontally arranged, pivot for said lever arranged towards its opposite end, and a counterweight, offset and movable about said pivot, which loads said lever and is raised about the pivot as the lever turns about the latter against the loading from a. position in which, with the yarn passing through said movable yarn guide, the
  • the entry, outlet and movable yarn guides being disposed relatively to each other so that, with the movable yarn guide in the position in which it determines the shortest path for the yarn through the device and the yarn passing straight from the entry guide through the movable yarn guide and thence to the outlet guide, the path of the yarn through the device is straight and diagonal of the device, so that the yarn passes through the latter with only two changes in direction, one of such changes being effected at the entry guide and the other at the outlet guide.
  • a yarn control device wherein the total resultant change in direction of the path of the yarn between entering and leaving the device is of the order of 90, this change being composed of said two changes in direction in each of which the direction of the yarn changes by about 45.
  • a yarn control device according to claim 7, and further comprising a contact element disposed below said pivot with which the counterweight, when lowered about the pivot as the lever turns to the position in which it determines the longest path for the yarn through the utilising the yarn.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Warping, Beaming, Or Leasing (AREA)
US542007A 1954-10-25 1955-10-21 Yarn control device Expired - Lifetime US2952890A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB339149X 1954-10-25
GB336183X 1955-09-08
GB171055X 1955-10-17
GB40956X 1956-09-04

Publications (1)

Publication Number Publication Date
US2952890A true US2952890A (en) 1960-09-20

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US542007A Expired - Lifetime US2952890A (en) 1954-10-25 1955-10-21 Yarn control device

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US (1) US2952890A (enrdf_load_html_response)
BE (1) BE550839A (enrdf_load_html_response)
CH (3) CH330438A (enrdf_load_html_response)
FR (1) FR1157537A (enrdf_load_html_response)
GB (1) GB820485A (enrdf_load_html_response)
NL (1) NL210462A (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3689963A (en) * 1969-01-23 1972-09-12 Karl Frei Thread sensing arrangement
CN105002581A (zh) * 2015-07-01 2015-10-28 福建百宏聚纤科技实业有限公司 Fdy智能在线检测与质量调控装置

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1219415B (de) * 1961-04-24 1966-06-16 Felix Katz Vorrichtung zur Regelung der Fadenspannung fuer Schaermaschinen-Zettelgatter od. dgl., insbesondere fuer synthetische Faeden
US3783573A (en) * 1972-12-07 1974-01-08 Gen Dynamics Corp Expandable truss structure
CH628940A5 (de) * 1978-02-28 1982-03-31 Montan Castell Ag Verfahren zur herstellung eines tragwerkes und einrichtung zur durchfuehrung dieses verfahrens.
US4679372A (en) * 1984-05-24 1987-07-14 Noble Alfred H Space frame apparatus and a space frame employing such apparatus
EP0194256A1 (en) * 1984-09-19 1986-09-17 GTE Products Corporation Space frame
US4562681A (en) * 1985-02-05 1986-01-07 Gte Products Corporation Web section for a space frame
US4949516A (en) * 1988-12-09 1990-08-21 Harnischfeger Corporation Crane truss connecting joint
GB9317280D0 (en) * 1993-08-19 1993-10-06 James Thomas Engineering Limit Structural truss
DE10242794B4 (de) 2002-09-14 2005-04-07 Eurobridge Mobile Brücken GmbH Zerlegbare Brücke
DE10242863A1 (de) * 2002-09-14 2004-04-08 Dornier Gmbh Bausatz für eine zerlegbare Brücke
DE102006049818A1 (de) * 2006-10-18 2008-04-24 Rolls-Royce Deutschland Ltd & Co Kg Fanschaufel aus Textilverbundwerkstoff
CN105951607A (zh) * 2016-07-06 2016-09-21 苏文藏 一种加固的v字形桥墩支架

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR788137A (fr) * 1934-07-02 1935-10-04 Diederichs Atel Casse-fils pour cantre électrique
US2017008A (en) * 1933-06-08 1935-10-08 Raalte Company Van Direct warping
US2387369A (en) * 1944-02-12 1945-10-23 Stop Motion Devices Corp Stop motion device for sewing machines
US2420513A (en) * 1946-07-31 1947-05-13 Charles W Arrowood Stop motion mechanism
DE806538C (de) * 1947-08-12 1951-06-14 Vof Heybroek Zelander Beleuchtungsornament
FR1102704A (fr) * 1954-06-18 1955-10-25 Dispositif casse-fil combiné avec un relais photo-électrique
US2771254A (en) * 1953-06-27 1956-11-20 Stanier Harold Yarn control device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2017008A (en) * 1933-06-08 1935-10-08 Raalte Company Van Direct warping
FR788137A (fr) * 1934-07-02 1935-10-04 Diederichs Atel Casse-fils pour cantre électrique
US2387369A (en) * 1944-02-12 1945-10-23 Stop Motion Devices Corp Stop motion device for sewing machines
US2420513A (en) * 1946-07-31 1947-05-13 Charles W Arrowood Stop motion mechanism
DE806538C (de) * 1947-08-12 1951-06-14 Vof Heybroek Zelander Beleuchtungsornament
US2771254A (en) * 1953-06-27 1956-11-20 Stanier Harold Yarn control device
FR1102704A (fr) * 1954-06-18 1955-10-25 Dispositif casse-fil combiné avec un relais photo-électrique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3689963A (en) * 1969-01-23 1972-09-12 Karl Frei Thread sensing arrangement
CN105002581A (zh) * 2015-07-01 2015-10-28 福建百宏聚纤科技实业有限公司 Fdy智能在线检测与质量调控装置

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Publication number Publication date
GB820485A (en) 1959-09-23
FR1157537A (fr) 1958-05-30
BE550839A (enrdf_load_html_response)
CH336183A (fr) 1959-02-15
CH339149A (de) 1959-06-15
CH330438A (de) 1958-06-15
NL210462A (enrdf_load_html_response)

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