US3667395A - Dummy shell - Google Patents

Dummy shell Download PDF

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Publication number
US3667395A
US3667395A US827727A US3667395DA US3667395A US 3667395 A US3667395 A US 3667395A US 827727 A US827727 A US 827727A US 3667395D A US3667395D A US 3667395DA US 3667395 A US3667395 A US 3667395A
Authority
US
United States
Prior art keywords
shell
ignition
impact
decomposition
jacket
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
US827727A
Other languages
English (en)
Inventor
Rudolf Romer
Heinz Hap
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 Industrie AG
Original Assignee
Rheinmetall GmbH
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
Priority claimed from DE19681703518 external-priority patent/DE1703518C3/de
Application filed by Rheinmetall GmbH filed Critical Rheinmetall GmbH
Application granted granted Critical
Publication of US3667395A publication Critical patent/US3667395A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F42B8/00—Practice or training ammunition
    • F42B8/12—Projectiles or missiles
    • F42B8/14—Projectiles or missiles disintegrating in flight or upon impact

Definitions

  • the present invention relates to a dummy shell having a screwed-in impact-ignition device and a decomposition device.
  • Shells of this type are known in many structures. They consist substantially of an ignition housing and a shell head, respectively, which is screwed into the shell jacket, which ignition housing and shell head, respectively, receives again an impact-ignition device and decomposition device.
  • the decomposition device serves, among others, the purpose of bringing about the shell to detonate nevertheless, in case of an inclined impact of the shell, that means, when the impact-ignition device does not become efiective, or if it fails for any other reasons. In such firings, it happens that the complete ignition device, namely the impact-ignition device and the decomposition device are thrown out of the shell jacket and the shell is not brought to detonation by the failing decomposition device.
  • This set breaking point is prepared such, that the cross-section of the ignition housing and of the shell heads, respectively, as well as of the impact-ignition device is reduced by a recess of annular groove-like shape.
  • FIG. 1 is a section through the shell head of a dummy shell
  • An ignition comprising an impact ignition cross-section of the im act ignition device Q is brought about by the annular groove as well as of the ignition housing 2 by the annular groove 5.
  • the end face limitation 7 of the shell jacket 1 is formed as a truncated cone. lf now the shell performs an impact in the manner shown in FIG. 2, the ignition housing 2 and the impact ignition device 3, respectively, break off at the set breaking points 10 and 11, whereby it is brought about, that the decomposition device 4 by a set breaking off of the impact-ignition device and of the ignition housing is not torn out of the shell sleeve 12, rather remains for the start of the detonation of the shell in the shell jacket 12.
  • the truncated cone-like formed end face limit 7 of the shell jacket 1 rejects slide-like the soil 13 which is prevented from penetration between the shell jacket 1 and the decomposition device 4 and prying open of the shell jacket 1. Thereby the possibility is removed that the decomposition device 4 gets lost by the prying open the shell jacket 1 of the shell sleeve 12.
  • annular groove turned in from the inside into the ignition housing, which retains a thin jacket wall as a set breaking point.
  • This annular groove can be again advantageously conically formed.
  • a dummy shell comprising,
  • an ignition housing forming a shell tip secured to said shell jacket
  • a one-piece ignition device contained in said ignition housing and comprising an impact-ignition means and a decomposition ignition means,
  • said decomposition ignition means being screwed into said ignition housing
  • said ignition housing being provided with a first annular recess formed set breaking point
  • said ignition device being provided with a second annular recess formed set breaking point between said impact-ignition means and said decomposition ignition means, and
  • said first and second annular recesses forming set breaking points being disposed adjacent one another at the same longitudinal distance of said shell, such that by an inclined striking of said dummy shell on a target, said igni tion housing with said impact-ignition means breaks off in said set breaking points and said decomposition ignition means remains in said shell jacket.
US827727A 1968-06-01 1969-05-26 Dummy shell Expired - Lifetime US3667395A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681703518 DE1703518C3 (de) 1968-06-01 UbungsgeschoB

Publications (1)

Publication Number Publication Date
US3667395A true US3667395A (en) 1972-06-06

Family

ID=5688455

Family Applications (1)

Application Number Title Priority Date Filing Date
US827727A Expired - Lifetime US3667395A (en) 1968-06-01 1969-05-26 Dummy shell

Country Status (7)

Country Link
US (1) US3667395A (fr)
BE (1) BE731616A (fr)
CH (1) CH478397A (fr)
FR (1) FR2010014A1 (fr)
GB (1) GB1253402A (fr)
NL (1) NL157714B (fr)
SE (1) SE356585B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4362107A (en) * 1978-10-14 1982-12-07 Rheinmetall Gmbh Practice projectile
US20110000392A1 (en) * 2007-05-08 2011-01-06 Kapeles John A Reloadable training ammunition
US20220026186A1 (en) * 2018-11-26 2022-01-27 Rheinmetall Waffe Munition Gmbh Test and/or practice ammunition

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3017380A1 (de) * 1980-05-07 1981-11-12 Rheinmetall GmbH, 4000 Düsseldorf Fluegelstabilisiertes geschoss
DE3031722A1 (de) * 1980-08-23 1986-10-09 Rheinmetall GmbH, 4000 Düsseldorf Wuchtgeschossanordnung mit spitzenseitigem treibkaefig
FR2606868B1 (fr) * 1980-09-23 1989-06-23 France Etat Armement Projectile perforant a tete de perforation fragilisee
ES2117025T3 (es) * 1992-11-10 1998-08-01 Raufoss As Un proyectil de practicas.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1875985A (en) * 1930-05-16 1932-09-06 Brandt Edgar William Projectile
US2447033A (en) * 1945-04-27 1948-08-17 Shapiro Michael Dummy projectile
US3019733A (en) * 1957-05-21 1962-02-06 Harvey Machine Co Inc Projectile construction
US3048110A (en) * 1959-09-15 1962-08-07 Stanley E West Frangible nose cone
US3110262A (en) * 1962-02-02 1963-11-12 Stanley E West Shock mitigating nose

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1875985A (en) * 1930-05-16 1932-09-06 Brandt Edgar William Projectile
US2447033A (en) * 1945-04-27 1948-08-17 Shapiro Michael Dummy projectile
US3019733A (en) * 1957-05-21 1962-02-06 Harvey Machine Co Inc Projectile construction
US3048110A (en) * 1959-09-15 1962-08-07 Stanley E West Frangible nose cone
US3110262A (en) * 1962-02-02 1963-11-12 Stanley E West Shock mitigating nose

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4362107A (en) * 1978-10-14 1982-12-07 Rheinmetall Gmbh Practice projectile
US20110000392A1 (en) * 2007-05-08 2011-01-06 Kapeles John A Reloadable training ammunition
US8312812B2 (en) * 2007-05-08 2012-11-20 Safariland, Llc Reloadable training ammunition
US20220026186A1 (en) * 2018-11-26 2022-01-27 Rheinmetall Waffe Munition Gmbh Test and/or practice ammunition

Also Published As

Publication number Publication date
FR2010014A1 (fr) 1970-02-13
DE1703518A1 (de) 1971-12-30
CH478397A (de) 1969-09-15
GB1253402A (en) 1971-11-10
SE356585B (fr) 1973-05-28
NL157714B (nl) 1978-08-15
BE731616A (fr) 1969-10-01
DE1703518B2 (de) 1976-02-26
NL6904302A (fr) 1969-12-03

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