EP0072049A1 - Process to fasten a ballistic cover to a projectile - Google Patents

Process to fasten a ballistic cover to a projectile Download PDF

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Publication number
EP0072049A1
EP0072049A1 EP82200848A EP82200848A EP0072049A1 EP 0072049 A1 EP0072049 A1 EP 0072049A1 EP 82200848 A EP82200848 A EP 82200848A EP 82200848 A EP82200848 A EP 82200848A EP 0072049 A1 EP0072049 A1 EP 0072049A1
Authority
EP
European Patent Office
Prior art keywords
hood
projectile body
projectile
ballistic
conical
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.)
Granted
Application number
EP82200848A
Other languages
German (de)
French (fr)
Other versions
EP0072049B1 (en
Inventor
Jacques Mariaux
Rudolf Rossmann
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.)
Rheinmetall Air Defence AG
Original Assignee
Werkzeugmaschinenfabrik Oerlikon Buhrle 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 Werkzeugmaschinenfabrik Oerlikon Buhrle AG filed Critical Werkzeugmaschinenfabrik Oerlikon Buhrle AG
Publication of EP0072049A1 publication Critical patent/EP0072049A1/en
Application granted granted Critical
Publication of EP0072049B1 publication Critical patent/EP0072049B1/en
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
    • F42B10/32—Range-reducing or range-increasing arrangements; Fall-retarding means
    • F42B10/38—Range-increasing arrangements
    • F42B10/42—Streamlined projectiles
    • F42B10/46—Streamlined nose cones; Windshields; Radomes
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49863—Assembling or joining with prestressing of part
    • Y10T29/4987—Elastic joining of parts
    • Y10T29/49872—Confining elastic part in socket
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53657—Means to assemble or disassemble to apply or remove a resilient article [e.g., tube, sleeve, etc.]

Definitions

  • the invention relates to a method for fastening a ballistic hood to a projectile body, which has a conical, smooth surface for receiving the hood.
  • the invention has for its object to develop a fastening method for the hood, with which a disadvantageous for the armor-piercing effect of the projectile groove is avoided.
  • the projectile body 10 has a conical hood support 11 at its front end. Behind this hood support 11 there is a cylindrical hood centering 12 and a conical section 13 to which a cylindrical section 14 is connected. In the rear part of the projectile body 10, two circumferential grooves 15 are provided, which are used to anchor the projectile body 10 in a sabot, not shown. A light set sleeve 17 is anchored in the conical, rear end face 16. A ballistic hood 18, described with reference to FIG. 2, is attached to this projectile body by a method described below.
  • FIG. 1 is at the projectile body 10 in a chuck 19 and the ballistic hood 18 extends in an up p ressfutter 20 for pressing the ballistic cap 18 is used on the projectile body 10, a pressure stamp 21.
  • the projectile body 10 located in the chuck 19 is supported finally on a support sleeve 22.
  • the ogive-shaped, ballistic hood 18 has a cavity which is formed by three sections, namely a front, conical section 23, a rear, conical section 24 and a central, cylindrical section 25.
  • the rear conical section 24 opens into a cylindrical part 26.
  • Between the central section 25 and the cylindrical Part 26 of the rear, conical section 24 is provided with a conical support surface 27 which is supported on the conical hood support 11.
  • the inner surface 28 of the rear, conical section 24 has a number of relatively easily deformable ribs 29.
  • a recess 30 for receiving adhesive 31 is provided in front of these ribs 29 (FIG. 1).
  • the projectile body 10 is first inserted into the chuck 19 until it is supported on the support sleeve 22. Furthermore, the ballistic hood 18, after it has been provided with adhesive in the recess 30, is inserted into the press-fit chuck 20 and pressed onto the projectile body 10. Finally, with the aid of the pressure stamp 21, the inner surface 28 is pressed against the smooth surface 32 of the conical section 13 on the projectile body 10.
  • the ribs 29 are deformed and thus enable the ballistic hood 18 to be precisely centered, thereby preventing the hood 18 from sitting obliquely on the projectile body 10.
  • the described method for fastening the ballistic hood 18 to the projectile body 10 it is no longer necessary to arrange fastening grooves on the projectile body 10 for fastening the hood 18 to the projectile body 10. Thanks to the conical support surface 27 of the hood 18, which is supported on the conical hood support 11 and thanks to the ribs 29, which are supported on the smooth surface 32 of the conical section 13 on the projectile body 10, the hood 18 is reliably centered on the projectile body 10 guaranteed. In addition, the cylindrical part 26 of the hood 18 is pushed onto the cylindrical hood centering 12 with a press fit. Furthermore, the adhesive 31 ensures reliable Attachment of the hood 18 to the projectile body 10.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Soil Working Implements (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Road Signs Or Road Markings (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

Zur Befestigung der Haube (18) am Geschosskörper (10) ist bei den bekannten Geschossen eine Rille im Geschosskörper (10) vorhanden. Diese Rille im Geschosskörper (10) ist für panzerbrechende Geschosse unerwünscht. Durch Aufkleben einer Haube (18) auf den Geschosskörper (10) kann diese Rille vermieden werden. Durch Hippen (29) an der am Geschosskörper (10) an liegenden Innenfläche (28) der Haube (18) wird eine genaue Ausrichtung und Zentrierung der Haube (18) auf dem Geschosskörper (10) gewährleistet.In the known projectiles, a groove is provided in the projectile body (10) for fastening the hood (18) to the projectile body (10). This groove in the projectile body (10) is undesirable for armor-piercing projectiles. This groove can be avoided by sticking a hood (18) onto the projectile body (10). By tilting (29) on the inner surface (28) of the hood (18) lying on the projectile body (10), an exact alignment and centering of the hood (18) on the projectile body (10) is ensured.

Description

Die Erfindung betrifft ein Verfahren zum Befestigen einer ballistischen Haube an einem Geschosskörper, der eine kegelförmige, glatte Oberfläche zur Aufnahme der Haube aufweist.The invention relates to a method for fastening a ballistic hood to a projectile body, which has a conical, smooth surface for receiving the hood.

Bei einem bekannten Geschoss dieser Art (siehe CH-PS 622 883) ist zur Befestigung der Haube am Geschosskörper eine ringförmige Rille im Geschosskörper vorgesehen, in welche eine ringförmige Rippe der Haube hineinragt. Eine solche Rille am Umfang des Geschosskörpers ist wegen ihrer Kerbwirkung für panzerbrechende Geschosse unerwünscht.In a known projectile of this type (see CH-PS 622 883), an annular groove is provided in the projectile body for fastening the hood to the projectile body, into which an annular rib of the hood projects. Such a groove on the circumference of the projectile body is undesirable for armor-piercing projectiles because of its notch effect.

Der Erfindung liegt die Aufgabe zugrunde, ein Befestigungsverfahren für die Haube zu entwickeln, mit dem eine für die panzerbrechende Wirkung des Geschosses nachteilige Rille vermieden wird.The invention has for its object to develop a fastening method for the hood, with which a disadvantageous for the armor-piercing effect of the projectile groove is avoided.

Das erfindungsgemässe Verfahren, mit dem diese Aufgabe gelöst wird, ist dadurch gekennzeichnet, dass

  • a) die ballistische Haube an ihrer am Geschosskörper anliegenden Innenfläche mit ringförmigen, verformbaren Rippen und Klebstoff versehen wird,
  • b) der Geschosskörper in einem Spannfutter und
  • c) die Haube in einem Aufpressfutter zentriert wird und
  • d) die mit ringförmigen, verformbaren Rippen und mit Klebstoff versehene Innenfläche mit Hilfe eines Andrückstempels auf die kegelförmige, glatte Oberfläche des Geschosskörpers aufgedruckt wird.
The inventive method with which this object is achieved is characterized in that
  • a) the ballistic hood is provided with ring-shaped, deformable ribs and adhesive on its inner surface lying against the projectile body,
  • b) the projectile body in a chuck and
  • c) the hood is centered in a press-fit chuck and
  • d) the ring-shaped, deformable ribs and the inner surface provided with adhesive are printed on the conical, smooth surface of the projectile body with the aid of a pressure stamp.

Ein Durchführungsbeispiel des erfindungsgemässen Verfahrens zum Befestigen einer ballistischen Haube an einem Geschosskörper ist im folgenden anhand der beigefügten Zeichnung ausführlich beschrieben. Es zeigt:

  • Fig. 1 eine Ansicht, teilweise im Schnitt eines Geschosskörpers mit ballistischer Haube und mit den Befestigungswerkzeugen,
  • Fig. 2 einen Schnitt durch die ballistische Haube in vergrössertem Massstab.
An implementation example of the inventive method for attaching a ballistic hood to a Projectile body is described in detail below with reference to the accompanying drawing. It shows:
  • 1 is a view, partly in section, of a projectile body with a ballistic hood and with the fastening tools,
  • Fig. 2 shows a section through the ballistic hood on an enlarged scale.

Gemäss Fig. 1 weist der Geschosskörper 10 an seinem vorderen Ende eine konische Haubenauflage 11 auf. Hinter dieser Haubenauflage 11 befindet sich eine zylindrische Haubenzentrierung 12 und ein konischer Abschnitt 13, an den sich ein zylindrischer Abschnitt 14 anschliesst. Im Heckteil-des Geschosskörpers 10 sind zwei Umfangsnuten 15 vorgesehen, welche zur Verankerung des Geschosskörpers 10 in einem nicht dargestellten Treibspiegel dienen. In der konischen, hinteren Stirnfläche 16 ist eine Leuchtsatzhülse 17 verankert. Auf diesen Geschosskörper wird, nach einem im folgenden beschriebenen Verfahren, eine, anhand der Fig. 2 beschriebene, ballistische Haube 18 befestigt.1, the projectile body 10 has a conical hood support 11 at its front end. Behind this hood support 11 there is a cylindrical hood centering 12 and a conical section 13 to which a cylindrical section 14 is connected. In the rear part of the projectile body 10, two circumferential grooves 15 are provided, which are used to anchor the projectile body 10 in a sabot, not shown. A light set sleeve 17 is anchored in the conical, rear end face 16. A ballistic hood 18, described with reference to FIG. 2, is attached to this projectile body by a method described below.

Gemäss Fig. 1 befindet sich der Geschosskörper 10 in einem Spannfutter 19 und die ballistische Haube 18 ragt in ein Aufpressfutter 20. Zum Andrücken der ballistischen Haube 18 an den Geschosskörper 10 dient ein Andrückstempel 21. Der im Spannfutter 19 befindliche Geschosskörper 10 stützt sich schliesslich auf einer Stützhülse 22 ab.As shown in FIG. 1 is at the projectile body 10 in a chuck 19 and the ballistic hood 18 extends in an up p ressfutter 20 for pressing the ballistic cap 18 is used on the projectile body 10, a pressure stamp 21. The projectile body 10 located in the chuck 19 is supported finally on a support sleeve 22.

Gemäss Fig. 2 weist die ogivenförmige, ballistische Haube 18 einen Hohlraum auf, der durch drei Abschnitte gebildet wird, nämlich einen vorderen, kegeligen Abschnitt 23, einen hinteren, kegeligen Abschnitt 24 und einen mittleren, zylindrischen Abschnitt 25. Der hintere kegelige Aoschnitt 24 mündet in einen zylindrischen Teil 26. Zwischen dem mittleren Abschnitt 25 und dem zylindrischen Teil 26 des hinteren, kegeligen Abschnittes 24 ist eine konische Stützfläche 27 vorgesehen, welche sich auf der konischen Haubenauflage 11 abstützt. Die Innenfläche 28 des hinteren, kegeligen Abschnittes 24 weist eine Anzahl verhältnismässig leicht deformierbare Rippen 29 auf. Vor diesen Rippen 29 ist eine Aussparung 30 zur Aufnahme von Klebstoff 31 vorgesehen (Fig. 1).2, the ogive-shaped, ballistic hood 18 has a cavity which is formed by three sections, namely a front, conical section 23, a rear, conical section 24 and a central, cylindrical section 25. The rear conical section 24 opens into a cylindrical part 26. Between the central section 25 and the cylindrical Part 26 of the rear, conical section 24 is provided with a conical support surface 27 which is supported on the conical hood support 11. The inner surface 28 of the rear, conical section 24 has a number of relatively easily deformable ribs 29. A recess 30 for receiving adhesive 31 is provided in front of these ribs 29 (FIG. 1).

Zum Befestigen der ballistischen Haube 18 am Geschosskörper 10 wird zuerst der Geschosskörper 10 in das Spannfutter 19 gesteckt, bis er sich auf der Stützhülse 22 abstützt. Ferner wird die ballistische Haube 18, nachdem sie in der Aussparung 30 mit Klebstoff versehen worden ist, in das Aufpressfutter 20 gesteckt und auf den Geschosskörper 10 aufgepresst. Schliesslich wird mit Hilfe des Andrückstempels 21 die Innenfläche 28 an die glatte Oberdfläche 32 des konischen Abschnittes 13 am Geschosskörper 10 angedrückt.To attach the ballistic hood 18 to the projectile body 10, the projectile body 10 is first inserted into the chuck 19 until it is supported on the support sleeve 22. Furthermore, the ballistic hood 18, after it has been provided with adhesive in the recess 30, is inserted into the press-fit chuck 20 and pressed onto the projectile body 10. Finally, with the aid of the pressure stamp 21, the inner surface 28 is pressed against the smooth surface 32 of the conical section 13 on the projectile body 10.

Dabei werden die Rippen 29 deformiert und ermöglichen so eine genaue Zentrierung der ballistischen Haube 18, wodurch verhindert wird, dass die Haube 18 schräg auf dem Geschosskörper 10 sitzt.The ribs 29 are deformed and thus enable the ballistic hood 18 to be precisely centered, thereby preventing the hood 18 from sitting obliquely on the projectile body 10.

Dank dem beschriebenen Verfahren zur Befestigung der ballistischen Haube 18 am Geschosskörper 10 ist es nicht mehr notwendig, am Geschosskörper 10 Befestigungsrillen für die Befestigung der Haube 18 am Geschosskörper 10 anzuordnen. Dank der konischen Stützfläche 27 der Haube 18, die sich auf der konischen Haubenauflage 11 abstützt und dank der Rippen 29, die sich auf der glatten Oberfläche 32 des konischen Abschnittes 13 am Geschosskörper 10 abstützten, ist eine zuverlässige Zentrierung der Haube 18 auf dem Geschosskörper 10 gewährleistet. Ausserdem wird der zylindrische Teil 26 der Haube 18 mit Pressitz auf die zylindrische Haubenzentrierung 12 aufgeschoben. Ferner gewährleistet der Klebstoff 31 eine zuverlässige Befestigung der Haube 18 am Geschosskörper 10.Thanks to the described method for fastening the ballistic hood 18 to the projectile body 10, it is no longer necessary to arrange fastening grooves on the projectile body 10 for fastening the hood 18 to the projectile body 10. Thanks to the conical support surface 27 of the hood 18, which is supported on the conical hood support 11 and thanks to the ribs 29, which are supported on the smooth surface 32 of the conical section 13 on the projectile body 10, the hood 18 is reliably centered on the projectile body 10 guaranteed. In addition, the cylindrical part 26 of the hood 18 is pushed onto the cylindrical hood centering 12 with a press fit. Furthermore, the adhesive 31 ensures reliable Attachment of the hood 18 to the projectile body 10.

Claims (2)

1. Verfahren zum Befestigen einer ballistischen Haube (18) an einem Geschosskörper (10), der eine kegelförmige, glatte Oberfläche (32) zur Aufnahme der Haube (18) aufweist, dadurch gekennzeichnet, dass a) die ballistische Haube (18) an ihrer am Geschosskörper (10) anliegenden Innenfläche (28) mit ringförmigen, verformbaren Rippen (29) und Klebstoff (31) versehen wird, b) der Geschosskörper (10) in einem Spannfutter (19) und c) die Haube (18) in einem Aufpressfutter (20) zentriert wird, und d) die mit ringförmigen, verformbaren Rippen (29) und Klebstoff (31) versehene Innenfläche (28) mit Hilfe eines Andrückstempels (21) auf die kegelförmige, glatte Oberfläche (32) des Geschosskörpers (10) aufgedrückt wird. 1. A method for attaching a ballistic hood (18) to a projectile body (10) which has a conical, smooth surface (32) for receiving the hood (18), characterized in that a) the ballistic hood (18) is provided with annular, deformable ribs (29) and adhesive (31) on its inner surface (28) abutting the projectile body (10), b) the projectile body (10) in a chuck (19) and c) the hood (18) is centered in a press-fit chuck (20), and d) the inner surface (28) provided with annular, deformable ribs (29) and adhesive (31) is pressed onto the conical, smooth surface (32) of the projectile body (10) with the aid of a pressure stamp (21). 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Aussparung (31) mit Klebstoff versehen wird.2. The method according to claim 1, characterized in that the recess (31) is provided with adhesive.
EP82200848A 1981-08-05 1982-07-07 Process to fasten a ballistic cover to a projectile Expired EP0072049B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH5043/81 1981-08-05
CH504381 1981-08-05

Publications (2)

Publication Number Publication Date
EP0072049A1 true EP0072049A1 (en) 1983-02-16
EP0072049B1 EP0072049B1 (en) 1985-09-18

Family

ID=4286987

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82200848A Expired EP0072049B1 (en) 1981-08-05 1982-07-07 Process to fasten a ballistic cover to a projectile

Country Status (8)

Country Link
US (1) US4459725A (en)
EP (1) EP0072049B1 (en)
JP (1) JPS5831296A (en)
CA (1) CA1185420A (en)
DE (1) DE3266384D1 (en)
IL (1) IL66345A (en)
NO (1) NO153985C (en)
ZA (1) ZA825212B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2977713A1 (en) * 2014-07-23 2016-01-27 Diehl BGT Defence GmbH & Co.KG Fuselage nose cap for a missile

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10928169B2 (en) * 2019-02-07 2021-02-23 Bae Systems Rokar International Ltd. Seal for a projectile guiding kit
US20230358518A1 (en) * 2022-05-05 2023-11-09 Raytheon Company Sabot or cover for seekers, sensitive windows and surface elements on gun launched munitions

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE416452A (en) *
FR1348590A (en) * 1962-11-30 1964-01-10 Armor-piercing projectiles
FR2398283A1 (en) * 1977-07-21 1979-02-16 Oerlikon Buehrle Ag PYROTECHNIC PACKED SHELLS

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU51611A1 (en) * 1966-07-21 1968-03-14
US3780658A (en) * 1971-09-03 1973-12-25 Ministre D Etat Charge Defense Undersized-caliber projectile with detachable sabot
US3890902A (en) * 1973-12-04 1975-06-24 Us Army Projectile
US4305772A (en) * 1974-05-28 1981-12-15 Valyi Emery I Method for forming an interlocked assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE416452A (en) *
FR1348590A (en) * 1962-11-30 1964-01-10 Armor-piercing projectiles
FR2398283A1 (en) * 1977-07-21 1979-02-16 Oerlikon Buehrle Ag PYROTECHNIC PACKED SHELLS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2977713A1 (en) * 2014-07-23 2016-01-27 Diehl BGT Defence GmbH & Co.KG Fuselage nose cap for a missile

Also Published As

Publication number Publication date
DE3266384D1 (en) 1985-10-24
EP0072049B1 (en) 1985-09-18
JPS5831296A (en) 1983-02-23
NO153985C (en) 1986-06-25
NO822443L (en) 1983-02-07
NO153985B (en) 1986-03-17
IL66345A (en) 1985-05-31
ZA825212B (en) 1983-04-27
CA1185420A (en) 1985-04-16
JPS6228397B2 (en) 1987-06-19
US4459725A (en) 1984-07-17

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