US2498681A - Method for winding - Google Patents

Method for winding Download PDF

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Publication number
US2498681A
US2498681A US622343A US62234345A US2498681A US 2498681 A US2498681 A US 2498681A US 622343 A US622343 A US 622343A US 62234345 A US62234345 A US 62234345A US 2498681 A US2498681 A US 2498681A
Authority
US
United States
Prior art keywords
core
wire
line
winding
wrapping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US622343A
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English (en)
Inventor
Philip R Hirsh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lock Joint Pipe Co
Original Assignee
Lock Joint Pipe Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lock Joint Pipe Co filed Critical Lock Joint Pipe Co
Priority to US622343A priority Critical patent/US2498681A/en
Priority to GB14518/46A priority patent/GB613473A/en
Priority to ES173994A priority patent/ES173994A1/es
Priority to FR930237D priority patent/FR930237A/fr
Priority to BE467109D priority patent/BE467109A/fr
Application granted granted Critical
Publication of US2498681A publication Critical patent/US2498681A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F17/00—Jacketing or reinforcing articles with wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
    • B28B21/60—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements
    • B28B21/62—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements circumferential laterally tensioned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H81/00—Methods, apparatus, or devices for covering or wrapping cores by winding webs, tapes, or filamentary material, not otherwise provided for
    • B65H81/06—Covering or wrapping elongated cores
    • B65H81/08—Covering or wrapping elongated cores by feeding material obliquely to the axis of the core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28—Other constructional details
    • B66D1/30—Rope, cable, or chain drums or barrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28—Other constructional details
    • B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
    • B66D1/38—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains by means of guides movable relative to drum or barrel

Definitions

  • 'For applying a permanent wrappingthe wire at the terminus of the temporary wrapping is passed over a sheave and is then brought back-to the core and attached thereto adjacent the last wrap of the temporary wrapping. Tension is applied to the two leads of Wire extending to the core and the sheave, and the core is then rotated in such direction as to unwind the temporary wrapping as the sheave is translatedtowards the initialend of the temporary wrapping. 'As the core is rotated and the sheave is translated the wire leaving the temporary wrapping isreapplied to'the core as a permanent wrapping under .tension, When the sheave has returned to its initial position, the end of the permanent wrapping is secured to the core and the wire is out beyondthe place of securing.
  • the described process has the advantage of providing balanced couples upon the core as the result of equal and opposite forces transmitted through the two 'tensionedleads of wire extending between'the sheave and the core so that the power required to rotate the core'in applying the permanent wrapping is only slightly more than would be necessary to rotate the core idly.
  • the process is also suitable for applying a highly tensioned wrapping having a known and constant tension throughout the length of the wrapping.
  • the present invention hasas an object the retention of these advantages by providing a process whereby only one pass of atension-applying sheave lengthwise of the core is employed for applying a tensioned wrapping.
  • a further object of the present invention is to enable concluding a. tensioned wrapping as close to the ends of a core as desired with only one pass of a tensioning devicelengthwiseof the core.
  • Eigure 1 illustrates the right end of a coreto which a cinch winding or snubbing has been applied
  • Fig. 2 illustrates the application of :a Weighted ,sheave toaloopof wire between :the anchored iendlof ythe wireiand the cinchpwindin
  • Fig. 3 illustrates an intermediate stage Qf'lthe :wrappingof the core .asit progresses from the right endtothe left end. of the core; 7
  • Fig. 4. illustraterates .thesstage at which the wound wrapping has reached the leftrend ofthecore and has'been fastened to thecore;
  • Fig. 5 is a section'at line-5'5 of-Fig. :2;
  • Eig 6 is a longitudinal section through a portionoftheleftend of a core and an attached mandrel or other device which provides a surface incontinuation of the surface of thecore.
  • the combined core and mandrel is mounted as a unit in the machine by which it is supported ontwo pairs of rollers I2 and i3, one at each end of the unit.
  • a runner ring M which. is temporarily fastenedto'one end of the core, rests upon one. pair of rollers I2, and the other. end of the unit is supported bythe other pair of rollers l3, which engage a flange 15 of themandrel.
  • the winding machine is provided with a travelling carriage (not shown) Whichmoves alongside of the core and carries .aguide It for the feed portion of the wire which passes to the core.
  • the wire passes freely through the guide and is laid onto the core in a helical course l1, Fig. 1.
  • the sheave is engaged by a loop IQ of the wire between turns l7 and the end of the wire which is permanently anchored to the core at 20.
  • the wire of the permanent winding starts at 20, Fig. 2, and tensioned by the application of force to the sheave.
  • I have illustrated the sheave as being weighted and suspended from the loop
  • the core it, which may be a pipe o'r-solid body in any form, is shown as a steel sleeve 2
  • the mandrel II may be made up of a plurality of plain rings I5, 23, 24, 25 and 26, as illustrated in Fig. 6, which are joined together to constitute a single device detachably connected to the core.
  • the mandrel preferably is designed frictionally to engage with the interior of the core. In assembling the mandrel onto the end of the core, it is then necessary only that the mandrel be shoved home into snug fitting relationship with the bell ring.' 'The assembled core and mandrel are mounted as a unit in the winding machine.
  • the end of wire is temporarily attached toone end of the core, as at 21, Fig. 1, and the coreis rotated suificiently to apply a few turns I! of the wire about the core. These turns of wire are applied without tension or with only such tension as is afforded by slight drag on the reel from which the wire is drawn or on the wire itself.
  • the end of the wire which is temporarily attached to the core at 21 is then detached therefrom and unwound from the core sufficiently to form a loop I9 for engaging the tensioning sheave l8.
  • This end of the wire is looped about the sheave and fastened to the core, as at 20, Fig. 2. Any kind of an anchoring device whichwill serve to permanently secure the end of the wire to the core may be used.
  • the wire in the loop of wire engaged by the sheave is subjected to tensile stress by the application of a predetermined loade28 on the sheave.
  • the turns of wire which are located between guide I6 and sheave l8 provide sufiicient snubbing effect to prevent slippage of the wire under the tension exerted by the applied load.
  • the wire winding machine is then operated, and starting from the. anchored end 20, the wire is helically wrapped about the core as a permanent wrapping 29 as guide !6 is moved toward the other end of the core and the core is rotated clockwise as viewed in Fig. 5.
  • the wire passing through guide It winds into and unwinds from the cinch turns ll, passes over sheave l8, and enters the permanent winding 29.
  • FIG. 3 An intermediate position of the tensioning sheave and guide is illustrated in Fig. 3. At this position the winding being permanently applied is to the right of the sheave l8, and the cinch winding is to the left of the sheave. As the operation of the machine continues, the permanent winding is extended towards the left end of the core with the cinch turns preceding'it.
  • any suitable anchoring device may be used. If a sleeve of the type illustrated in United States Patent No. 2,375,921 is preferred, it is necessary to initially thread the wire through the sleeve at the beginning of the wire-winding operation. Such a sleeve 30 is illustrated in Figs. 1, Z and 3 as being slidably mounted upon the wire and held in a reserve position by guide 16. The sleeve is held by this guide as the wire loosely passes therethrough and until the wire winding operation nears completion. It is then released from the guide member and secured to the wire. Thelatter operation occurs at such a place as to locate the sleeve against the core where it is desired it be fastened to the core as shown in Fig. 4.
  • the cinch turns may be made to run upon the surface of a chuck or other rotating. part of the winding machine which closely fits with the core and provides a surface in continuation of the surface of the core being wrapped.
  • a method for wrapping a line about a core comprising applying a mandrel to one end of a core, attaching the end of a line to the other end of the core, snubbing the line on the core adjacent the attached end by applying turns of line about the core in sufficient number to prevent slippage of the line when tensioned and leaving a loop of line between the snubbing and the attached end, tensioning the line between the snubbing and attached end by applying force to the loop of 1 line, winding a permanent winding onto the core by rotating the core while translating the loop of line longitudinally of the core and continuing the application of the permanent winding until the snubbing has passed onto the mandrel, securing the permanent winding to the core, relieving the applied force, and severing the snubbing from' the last secured end of the line.
  • a method for wrapping a line around a core comprising snubbing a length of line about a core, attaching the end of the line to the core with a loop between the snubbing and the attached end, applying force to the loop in the line, applying a permanent winding to the core starting from the point of attachment by rotating the core and translating the formed loopa-nd snubbing longitudinally of the core, continuing the application of the permanent winding until it has reached the other end of the core and the snubbing has passed beyond the core and onto a receiving surface, attaching the wound line to the core, releasing the force on the loop of line, and severing the snubbing from the permanent winding remaining on the core.
  • a method for wrapping a line about a core comprising attaching to one end of a core a mandrel having a surface in continuation of the core, feeding a line to provide cinch turns about the core in sufiicient number to prevent slippage of the line when the line is subsequently stressed, securing the free end of the line to the core, stressing the line between said cinch turns and the portion of the line which is secured to the core, applying a line about the core by relatively rotating and translating the core and the cinch turns and thereby winding and unwinding the cinch turns and winding the line therefrom and into a permanent Wrapping about the core, extending the permanent wrapping in such fashion and until the cinch turns have passed onto the surface of the mandrel attached to the core, and then securing the permanent wrapping to the core.
  • a method for Wrapping a line about a core comprising applying cinch turns of line about a core in sufiicient number to prevent slippage of the line when subsequently stressed, securing the free end of the line to the core, stressing the line between the secured end and the cinch turns, unwinding the cinch turns and winding the line therefrom into a permanent wrapping of tensioned line about the core as line is run into the cinch turns and the length of the permanent wrapping is increased, continuing the winding of the permanent wrapping as the cinch turns reach and extend onto a receiving surface beyond the end of the core, and securing to the core a portion of the line intermediate the permanent wrapping and the cinch turns.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Unwinding Of Filamentary Materials (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
US622343A 1945-10-15 1945-10-15 Method for winding Expired - Lifetime US2498681A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US622343A US2498681A (en) 1945-10-15 1945-10-15 Method for winding
GB14518/46A GB613473A (en) 1945-10-15 1946-05-14 Improvements in or relating to the wrapping of a line about a pipe or other object
ES173994A ES173994A1 (es) 1945-10-15 1946-06-18 Un procedimiento para envolver un alambre o cuerda en torno de un núcleo
FR930237D FR930237A (fr) 1945-10-15 1946-07-04 Perfectionnements à l'enroulement d'un filin autour d'un noyau
BE467109D BE467109A (en(2012)) 1945-10-15 1946-08-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US622343A US2498681A (en) 1945-10-15 1945-10-15 Method for winding

Publications (1)

Publication Number Publication Date
US2498681A true US2498681A (en) 1950-02-28

Family

ID=24493829

Family Applications (1)

Application Number Title Priority Date Filing Date
US622343A Expired - Lifetime US2498681A (en) 1945-10-15 1945-10-15 Method for winding

Country Status (5)

Country Link
US (1) US2498681A (en(2012))
BE (1) BE467109A (en(2012))
ES (1) ES173994A1 (en(2012))
FR (1) FR930237A (en(2012))
GB (1) GB613473A (en(2012))

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2627378A (en) * 1949-06-16 1953-02-03 Lock Joint Pipe Co Method for securing a tensioned wire around cores
DE937975C (de) * 1951-03-02 1956-01-19 Nils Ingemar Dipl-Ing Schwalbe Automatisch arbeitende Windevorrichtung
US2749054A (en) * 1952-05-21 1956-06-05 Jr John M Crom Apparatus for low power tensioned winding of concrete articles
US3278128A (en) * 1963-01-16 1966-10-11 American Pipe & Constr Co Method of prestressing concrete pipe

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR835177A (fr) * 1937-08-28 1938-12-14 Pont A Mousson Fond Procédé de frettage, machines pour son application et produits frettés obtenus
US2348765A (en) * 1941-09-04 1944-05-16 Lock Joint Pipe Co Method and machine for winding
US2370780A (en) * 1942-11-04 1945-03-06 John M Crom Method and apparatus for banding tanks
US2375921A (en) * 1942-12-02 1945-05-15 Lock Joint Pipe Co Reinforced concrete pipe and method for making same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR835177A (fr) * 1937-08-28 1938-12-14 Pont A Mousson Fond Procédé de frettage, machines pour son application et produits frettés obtenus
US2348765A (en) * 1941-09-04 1944-05-16 Lock Joint Pipe Co Method and machine for winding
US2370780A (en) * 1942-11-04 1945-03-06 John M Crom Method and apparatus for banding tanks
US2375921A (en) * 1942-12-02 1945-05-15 Lock Joint Pipe Co Reinforced concrete pipe and method for making same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2627378A (en) * 1949-06-16 1953-02-03 Lock Joint Pipe Co Method for securing a tensioned wire around cores
DE937975C (de) * 1951-03-02 1956-01-19 Nils Ingemar Dipl-Ing Schwalbe Automatisch arbeitende Windevorrichtung
US2749054A (en) * 1952-05-21 1956-06-05 Jr John M Crom Apparatus for low power tensioned winding of concrete articles
US3278128A (en) * 1963-01-16 1966-10-11 American Pipe & Constr Co Method of prestressing concrete pipe

Also Published As

Publication number Publication date
ES173994A1 (es) 1946-07-16
GB613473A (en) 1948-11-29
BE467109A (en(2012)) 1946-09-30
FR930237A (fr) 1948-01-20

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