US3451204A - Process and apparatus for making paper covered electrical cable conductors - Google Patents

Process and apparatus for making paper covered electrical cable conductors Download PDF

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Publication number
US3451204A
US3451204A US717144A US3451204DA US3451204A US 3451204 A US3451204 A US 3451204A US 717144 A US717144 A US 717144A US 3451204D A US3451204D A US 3451204DA US 3451204 A US3451204 A US 3451204A
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US
United States
Prior art keywords
tape
roller
rollers
folded
folding
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
US717144A
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English (en)
Inventor
Christoph Cramer
Gunter Kluge
Ernst Woitke
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.)
KM Kabelmetal AG
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KM Kabelmetal AG
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Filing date
Publication date
Application filed by KM Kabelmetal AG filed Critical KM Kabelmetal AG
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/08—Insulating conductors or cables by winding
    • H01B13/0883—Pretreatment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/10—Insulating conductors or cables by longitudinal lapping

Definitions

  • FIG. 4 PROCESS AND APPARATUS FOR MAKING PAPER COVERED ELECTRICAL CABLE CONDUCTORS Filed March 29, 1968 Sheet 3 FIG. 3 FIG. 4
  • FIG. 5 FIG. 6
  • an object of this invention is to provide improved apparatus and methods for preparing paper tape or strip to have a folded longitudinal edge therein wherein the fold is produced by successive forming operations which insure limiting the folded tape edge to only one longitudinal edge of the tape and which assures a uniform width for the folded tape edge portion throughout the length thereof.
  • Another object of this invention is to provide apparatus and methods of the character described, which results in a precise, uniform tape dielectric for application to electrical conductors making up communication cables; the tape dielectric being adapted to maintain electrical parameters for the cable throughout the length thereof to assure optimum signal transmission.
  • the individual, insulated conductors may be arranged in true symmetrical relation within the cable so as to avoid undesirable coupling phenomena.
  • FIG. 1 is a side elevational view, with parts in section, showing a paper tape preparing apparatus embodying the invention
  • FIG. 2 is a front elevational view thereof
  • FIG. 3 is an elevational view showing a pair of tape folding rollers
  • FIG. 4 is a view similar to that of FIG. 3, showing an alternative set of tape folding rollers
  • FIG. 5 is a view similar to that of FIG. 3 wherein the pair of folding rollers treat both edges of the tape to provide reversely related folded edge portions;
  • FIG. 6 is a view similar to that of FIG. 5, wherein the folding rollers provide for folding both edges of the tape in the same direction.
  • apparatus embodying the invention comprises a revolving spinning head 11 of a conventional core spinner, not shown.
  • a supply reel 12 of paper tape 13 is attached to the head 11 with a guide member 14 passing tape to a guide member 15 which directs the tape 13 upwardly to an edge flanging assembly generally indicated at 16.
  • Assembly 16 is mounted on spinning head 11 and rotates with it.
  • Assembly 16 includes a bushing 17 slidably and adjustably mounted on one of the vertical standards 18 upstanding from spinning head 11.
  • a roller mounting bracket 19 is fixed in spaced relation from bushing 17 and carries at its lower end a guide roller 20 having end flanges 21.
  • the bracket 19 also carries immediately above guide roller 20, a pair of edge folding rollers 22, 23.
  • roller 22 has a single flange 24 on one side thereof which clears a corresponding annular groove 24A in roller 23.
  • roller 23 has a single flange 25 oppositely related to flange 24 and which clears a corresponding annular groove 25A in roller 22.
  • the spacing between opposed roller surfaces 26, 27 of rollers 22, 23 is equal to the thickness of tape 13.
  • the paper tape 13 passing through rollers 22, 23 has the edge 13A folded through an angle of as shown in FIG. 3.
  • Roller 28 has flanges 29, 30 which have an axial spacing so as to be effective to flange over the previously folded tape edge portion 13A, to a flat folded, double thickness condition.
  • the thus folded tape 35 now passes for wrapping about conductor C moving upwardly from a supply reel, not shown.
  • the flanging roller 28 may be supplemented by a calibrated nipple, not shown, which is applied to the freshly wrapped conductor C, which insures a uniform wrapping throughout the length of the conductor.
  • rollers may be made up of laterally related discs, so that the apparatus may treat paper tapes of varying widths. Further, the width of the folded tape edge 13A may be varied by adjusting the axial extent of roller surfaces 26, 27 of rollers 22, 23.
  • the paper tape 13 may be transported at high speeds without damage or tearing of the tape edges. Further, the tape 35 is applied to conductor C with substantially tractive force so that a uniformly large air space is provided under the tape throughout the entire length thereof.
  • the spacing between flange 25 on roller 23 and the opposed portion of annular groove 25A of roller 22 is at least equal to the thickness of tape 13 to thereby receive folded tape edge portion 13A and perform the folding operation throughout the length of the tape 13 which rotates rollers 22, 23 as it moves therebetween.
  • the spacing between flange 24 of roller 22 and the opposed portion of annular groove 24A of roller 23 is limited to prevent contact between said rollers and to limit the lateral extent of tape 13 so as to make for a uniform folding operation over the length of the tape.
  • the pair of folding rollers 40', 41 differ from rollers 22, 23, shown in FIG. 3, by having roller 40 devoid of flanges and having annular grooves 42, 43 which clear flanges 44, 45 on roller 41.
  • the spacing between flange 45 and the opposed portion of groove 43 is equal to the thickness of the tape 13 to allow for the edge folding operation, as previously described.
  • apparatus includes a pair of rollers 50, 51, as shown in FIG. 5.
  • tape 52 passes between opposed roller surfaces 53, '54 dimensioned and related to flanges 55, 56 and their spacing relative to grooves 57, 58 as to fold tape edge portions 52A in opposite directions.
  • rollers 40, 41 are similar to that shown in FIG. 4, except that the opposed roller surfaces, flanges 44, 45 and grooves 42, 43 are dimensionally related to fold and receive both edges 52A of tape 52; the edges 52A extending in the same direction.
  • Process for applying dielectric tape to an electrical cable conductor comprising moving said tape from a supply source to said conductor, continuously folding a longitudinally extending marginal edge portion of said tape through an angle of substantially 90, continuously flattening the folded marginal edge portion of said tape into contact with said tape and applying said edge folded and flattened tape to said conductor.
  • Apparatus for applying dielectric tape to an electrical cable conductor comprising means for guiding the movement of dielectric tape through a given path, a pair of opposed roller means having opposed roller surface portions for engaging opposite surface portions of said tape, said opposed roller means including means for folding at least one longitudinally extending marginal portion of said tape through an angle of about and single roller means for engaging the edge folded tape and flattening the folded edge portion of said tape, each of said roller means having at least one flange.
  • each of said pair of roller means comprises a flange at one end thereof and an annular groove at the other end thereof, the flange of each of said pair of rollers being received in the annular groove of the other of said pair of rollers.
  • said single roller means comprises at least one flange, the axial extent of the roller surface of said roller means from said one flange is of an order to flatten the folded marginal edge portion of said tape.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Ropes Or Cables (AREA)
  • Manufacturing Of Electric Cables (AREA)
US717144A 1967-04-01 1968-03-29 Process and apparatus for making paper covered electrical cable conductors Expired - Lifetime US3451204A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK0061878 1967-04-01

Publications (1)

Publication Number Publication Date
US3451204A true US3451204A (en) 1969-06-24

Family

ID=7230309

Family Applications (1)

Application Number Title Priority Date Filing Date
US717144A Expired - Lifetime US3451204A (en) 1967-04-01 1968-03-29 Process and apparatus for making paper covered electrical cable conductors

Country Status (11)

Country Link
US (1) US3451204A (de)
AT (1) AT277348B (de)
BE (1) BE712635A (de)
CH (1) CH466395A (de)
DE (1) DE1640667A1 (de)
DK (1) DK123056B (de)
FR (1) FR1556938A (de)
GB (1) GB1191604A (de)
NL (1) NL6803741A (de)
NO (1) NO122705B (de)
SE (1) SE339706B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011127236A1 (en) 2010-04-07 2011-10-13 Kemin Industries, Inc. Micro particles for oral delivery in animals
WO2016166060A1 (en) 2015-04-14 2016-10-20 Fornaciari Miriam Oral administration system for the controlled release of active ingredients

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US750563A (en) * 1904-01-26 Process of covering wire
US1376914A (en) * 1919-03-25 1921-05-03 Western Electric Co Winding mechanism
US1720923A (en) * 1928-02-07 1929-07-16 Delco Remy Corp Armature-core-insulating machine
US2001546A (en) * 1930-09-30 1935-05-14 Pourtier Gaston Machine for covering electrical wires or tapes
US2507589A (en) * 1948-06-30 1950-05-16 Stromberg Carlson Co Wire insulating apparatus
US3193904A (en) * 1963-03-11 1965-07-13 Deering Milliken Res Corp Apparatus for folding a paper strip into a yarn

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US750563A (en) * 1904-01-26 Process of covering wire
US1376914A (en) * 1919-03-25 1921-05-03 Western Electric Co Winding mechanism
US1720923A (en) * 1928-02-07 1929-07-16 Delco Remy Corp Armature-core-insulating machine
US2001546A (en) * 1930-09-30 1935-05-14 Pourtier Gaston Machine for covering electrical wires or tapes
US2507589A (en) * 1948-06-30 1950-05-16 Stromberg Carlson Co Wire insulating apparatus
US3193904A (en) * 1963-03-11 1965-07-13 Deering Milliken Res Corp Apparatus for folding a paper strip into a yarn

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011127236A1 (en) 2010-04-07 2011-10-13 Kemin Industries, Inc. Micro particles for oral delivery in animals
US11110057B2 (en) 2010-04-07 2021-09-07 Kemin Industries, Inc. Micro particles for oral delivery in animals
WO2016166060A1 (en) 2015-04-14 2016-10-20 Fornaciari Miriam Oral administration system for the controlled release of active ingredients

Also Published As

Publication number Publication date
DK123056B (da) 1972-05-08
SE339706B (de) 1971-10-18
GB1191604A (en) 1970-05-13
NL6803741A (de) 1968-10-02
CH466395A (de) 1968-12-15
BE712635A (de) 1968-07-31
DE1640667A1 (de) 1970-12-17
AT277348B (de) 1969-12-29
NO122705B (de) 1971-08-02
FR1556938A (de) 1969-02-07

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