DE751577C - Process for the production of cables with jackets of increased flexibility from material higher strength than lead, in particular aluminum - Google Patents

Process for the production of cables with jackets of increased flexibility from material higher strength than lead, in particular aluminum

Info

Publication number
DE751577C
DE751577C DEL97909D DEL0097909D DE751577C DE 751577 C DE751577 C DE 751577C DE L97909 D DEL97909 D DE L97909D DE L0097909 D DEL0097909 D DE L0097909D DE 751577 C DE751577 C DE 751577C
Authority
DE
Germany
Prior art keywords
cables
lead
higher strength
jacket
particular aluminum
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
Application number
DEL97909D
Other languages
German (de)
Inventor
August Czempiel
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.)
AEG AG
Original Assignee
AEG AG
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 AEG AG filed Critical AEG AG
Priority to DEL97909D priority Critical patent/DE751577C/en
Application granted granted Critical
Publication of DE751577C publication Critical patent/DE751577C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
    • B21C37/205—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with annular guides
    • 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
    • H01B13/0009—Apparatus or processes specially adapted for manufacturing conductors or cables for forming corrugations on conductors or cables

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Insulated Conductors (AREA)

Description

Kabel mit Mänteln aus Werkstoff höherer Festigkeit als Blei, insbesondere Aluminium, bereiten bei der Verlegung infolge ihrer Starrheit beträchtliche Schwierigkeiten.Cables with sheaths made of material higher strength than lead, in particular Aluminum, cause considerable difficulties when laying due to their rigidity.

Durch eine Rillung des Mantels wird in an sich bekannter Weise die Biegsamkeit solcher Kabel b°trächtlich erhöht und kann derjenigen von Bleikabeln angeglichen werden.By grooving the jacket in a known manner, the The flexibility of such cables is considerably increased and can be compared to that of lead cables be adjusted.

Bei Leitungen mit Falzmantel ist es bereits bekannt, den Mantel mit Rillen zu versehen. Ein solcher wellenförmig ausgebildeter Mantel erleichtert die Verlegung besonders bei solchen Leitungen, die: einen Falzmantel aus Stahlblech mit Blei oder Aluminiumauflage besitzen. Wenn Leitungen mit solchen Mänteln freihändig ohne Kerbzange gebogen werden, führt dies oft zu Einknickungen des Mantels, was durch die Rillung vermieden wird. Die Herstellung der Rillung bei Falzmänteln erfolgt durch Bearbeitung mit Formwalzen.In the case of cables with a folded jacket, it is already known to use the jacket To provide grooves. Such an undulating coat facilitates this Laying especially for cables that have: a folded jacket made of sheet steel with lead or aluminum plating. When lines with such sheaths hands-free are bent without pliers, this often leads to buckling of the jacket, which is avoided by the creasing. The creasing of the fold sleeves is made by processing with forming rollers.

Bei der Herstellung der Rillung des nahtlosen dickwandigen Aluminiummantels bei Kabeln zum Z«-eck der Erhöhung der Biegsamkeit besteht nun diese Gefahr des Einknickens nicht. Die Herstellung der Rillung mittels Formwalzen ist aber z. B. bei Fernmeldekabeln oder Hochspannungskabeln nicht möglich, da dabei die elektrischen Eigenschaften des Kabels verschlechtert würden.During the production of the grooving of the seamless, thick-walled aluminum jacket with cables to the corner of the increase in flexibility there is now this risk of Not buckling. The production of the creasing by means of forming rollers is z. B. Not possible with telecommunication cables or high-voltage cables, as the electrical Properties of the cable would be deteriorated.

Gegenstand der Erfindung ist ein Verfahren zur Herstellung von Kabeln mit Mänteln von erhöhter Biegsamkeit aus Werkstoff höherer Festigkeit als Blei, insbesondere Aluminium, durch Rillung des Mantels, die dadurch erreicht wird, daß unmittelbar hinter dem Mundstück der Presse der Kabelmantel von einer Greifvorrichtung i in regelmäßigen Längsabschnitten erfaßt und festgehalten wird, so daß der unverändert wirkende Preßdruck den noch heißen Mantel je zu einer Hohlwulst aufstaucht. Die Begrenzung der Hohlwulst in ihrer Höhe und ihre gleichmäßige Formgebung kann durch entsprechende Aussparung @ler beiden Hälften der Greifvorrichtung i und der Stirnseite des Mundstücks 3 erfolge:.The invention relates to a method for producing cables with sheaths of increased flexibility made of material higher strength than lead, in particular aluminum, by grooving the jacket, which is achieved in that immediately behind the mouthpiece of the press the cable sheath from a gripping device i is detected and recorded in regular longitudinal sections, so that the unchanged acting pressure upsets the still hot jacket to a hollow bead. the The height of the hollow bead and its uniform shape can be limited by corresponding recess @ in both halves of the gripping device i and the end face of the mouthpiece 3 successes:

Die Abb. i und 2 zeigen ein Ausführungsbeispiel des Erfindungsgegenstands. Die Greifvorrichtung i wird durch einen Exzenter im Punkt E so geführt, daß sie in gleichen Längsabschnitten den Kabelmantel erfaßt und festhält, so daß in der Aussparung 2 die Hohlwulste gebildet werden.Figs. I and 2 show an embodiment of the subject of the invention. The gripping device i is guided by an eccentric at point E so that it detects and holds the cable jacket in the same longitudinal sections, so that in the Recess 2, the hollow beads are formed.

Da bei diesem Verfahren der erforderliche Druck in Längsrichtung infolge der hohen Wärmegrade des Mantels unmittelbar hinter dem Mundstück der Presse an sich gering ist und ein radialer Druck vermieden wird, findet keine Beschädigung oder Quetschung der Isolierung statt.Since in this process the required pressure in the longitudinal direction as a result the high degree of warmth of the jacket immediately behind the mouthpiece of the press is low and radial pressure is avoided, there is no damage or crushing of the insulation instead.

Claims (2)

PATENTANSPRÜCHE: i. Verfahren zur Herstellung von Kabeln mit Mänteln von erhöhter Biegsamkeit aus Werkstoff höherer Festigkeit als Blei, insbesondere Aluminium, durch Rillung des Mantels, dadurch gekennzeichnet, da.ß unmittelbar hinter dem Nl:undstück der Presse der Kabelmantel von einer Greifvorrichtung in regelmäßigen Längsabschnitten erfaßt und festgehalten wird, so daß der unverändert wirkende Preßdruck den noch heißen Mantel je zu einer Hohlwulst aufstaucht. PATENT CLAIMS: i. Process for the manufacture of cables with sheaths of increased flexibility from material higher strength than lead, in particular Aluminum, characterized by the grooving of the jacket, da.ß immediately behind the nl: and piece of the press the cable jacket by a gripping device in regular Longitudinal sections is detected and held, so that the unchanged acting pressure the still hot coat turns up into a hollow bulge. 2. Verfahren nach Anspruch i, dadurch gekennzeichnet, daß die Höhe und eine gleichmäßige Form der Hohlwulste durch entsprechende Aussparung der beiden Hälften der Greifvorrichtung (i) und der Stirnseite des Mundstücks (3) der Presse erreicht wird.2. The method according to claim i, characterized in that the height and a uniform shape of the hollow beads by corresponding recess in the two halves of the gripping device (i) and the Front side of the mouthpiece (3) of the press is reached.
DEL97909D 1939-05-06 1939-05-06 Process for the production of cables with jackets of increased flexibility from material higher strength than lead, in particular aluminum Expired DE751577C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEL97909D DE751577C (en) 1939-05-06 1939-05-06 Process for the production of cables with jackets of increased flexibility from material higher strength than lead, in particular aluminum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL97909D DE751577C (en) 1939-05-06 1939-05-06 Process for the production of cables with jackets of increased flexibility from material higher strength than lead, in particular aluminum

Publications (1)

Publication Number Publication Date
DE751577C true DE751577C (en) 1953-08-17

Family

ID=7288710

Family Applications (1)

Application Number Title Priority Date Filing Date
DEL97909D Expired DE751577C (en) 1939-05-06 1939-05-06 Process for the production of cables with jackets of increased flexibility from material higher strength than lead, in particular aluminum

Country Status (1)

Country Link
DE (1) DE751577C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1051615B (en) * 1952-07-11 1959-02-26 Power Jets Res & Dev Ltd Device for manufacturing turbine or compressor blades
DE1141965B (en) * 1959-03-17 1963-01-03 Baldwin Lima Hamilton Corp Device on metal extrusion presses for the production of beads distributed over the length of the strand
DE1301297B (en) * 1964-09-02 1969-08-21 Ts Lab Obro Bki Plastycznej Device for upsetting elongated workpieces on presses

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1051615B (en) * 1952-07-11 1959-02-26 Power Jets Res & Dev Ltd Device for manufacturing turbine or compressor blades
DE1051615C2 (en) * 1952-07-11 1959-08-20 Power Jets Res & Dev Ltd Device for manufacturing turbine or compressor blades
DE1141965B (en) * 1959-03-17 1963-01-03 Baldwin Lima Hamilton Corp Device on metal extrusion presses for the production of beads distributed over the length of the strand
DE1301297B (en) * 1964-09-02 1969-08-21 Ts Lab Obro Bki Plastycznej Device for upsetting elongated workpieces on presses

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