US3295448A - Blank shell for guns - Google Patents
Blank shell for guns Download PDFInfo
- Publication number
- US3295448A US3295448A US405974A US40597464A US3295448A US 3295448 A US3295448 A US 3295448A US 405974 A US405974 A US 405974A US 40597464 A US40597464 A US 40597464A US 3295448 A US3295448 A US 3295448A
- Authority
- US
- United States
- Prior art keywords
- tamping
- shell
- guns
- tamping element
- case
- 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
Links
Images
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
- F42B8/02—Cartridges
- F42B8/04—Blank cartridges, i.e. primed cartridges without projectile but containing an explosive or combustible powder charge
Definitions
- this tamping element can also be employed with great advantage in a blank shell in which two or more tamping discs are arranged in the shell case at a distance from one another to form a compression chamber.
- a tamping element consisting of a pasty mixture also enables blank shells to be produced in a likewise economic manner from normal live shell cases and this has the advantage that the loading of the guns in practice or training firing is made more nearly to resemble battle conditions, since the dimensions of the blank ammunition correspond roughly to those of live ammunition.
- the lower tamping element adjacent the propellent charge is formed within the shell case, while the upper tamping element is a prefabricated disc known per se which is pressed into the neck of the shell case.
- a cavity is provided between the powder charge and the lower tamping element as a combustion chamber for the powder charge.
- a cover 2 which may be a disc of cardboard or the like, is first introduced.
- a pasty mixture hardening into a rigid tamping element and consisting of filler and binder or adhesive supplied with a hardening agent is placed on this cover and slight pressure is applied thereto by means of another cover 4 which may also be a cardboard disc.
- a pin may be introduced through a bore 5 to support the cover 2.
- the bore 5 is used subsequently to receive a threaded percussion primer. Owing to the pressure applied by means of the cover 4, the tamping composition is made to bear closely against the wall of the shell case, so that after hardening it is cemented tightly to the wall.
- Known organic or inorganic materials can be employed as filler. It is advantageous to use ground cork in the form of cork powder or granulated cork.
- the comminution product known as carcass powder which is obtained from the side walls of motor vehicle tyres can be used as filler with very great advantage.
- the binder consists of a synthetic resin with the addition of a hardening agent. This mixture hardens at room temperature, being simultaneously cemented strongly to the wall of the shell case to form a tamping element.
- a prefabricated upper tamping element 6 which may be a disc or cup-shaped element of cardboard or the like is now pressed into the neck of the shell in known manner, a compression chamber 7 being formed between the upper tamping element 6 and the lower tamping element 3.
- the upper tamping element 6 is then advantageously painted with a varnish insulation 10 so that the chamber 7 is sealed to be air and moisture-tight.
- the powder charge is then introduced through the bore 5 of the threaded percussion primer and the shell case is closed by screwing in a threaded percussion primer 8.
- a suitable blank-fire powder is chosen and the quantity of powder put in is advantageously so calculated that a cavity 9 is left between the powder charge and the adjacent lower tamping element 3. In this way a combustion chamber is created in which there can be built up a high gas pressure which, on the one hand, has a favourable influence on the acoustic effect and, on the other hand, also produces the complete destruction of the tamping element.
- a blank shell comprising in combination a shell case having an inwardly tapered upper end, a propellent charge located at one end of said case, a first tamping element located within said case adjacent said charge but spaced therefrom by a cavity, said first tamping element comprising a mixture of a filler and a hardenable binder, said mixture hardening after location within said case, a second tamping element located within the shell case in spaced relationship with said first tamping element, and a cover member on each side of the mixture to contain the latter introduced into the case as a paste-like mass.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DER36459A DE1229880B (de) | 1963-10-31 | 1963-10-31 | Manoeverkartusche fuer Geschuetze |
Publications (1)
Publication Number | Publication Date |
---|---|
US3295448A true US3295448A (en) | 1967-01-03 |
Family
ID=7404911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US405974A Expired - Lifetime US3295448A (en) | 1963-10-31 | 1964-10-23 | Blank shell for guns |
Country Status (5)
Country | Link |
---|---|
US (1) | US3295448A (de) |
CH (1) | CH422583A (de) |
DE (1) | DE1229880B (de) |
GB (1) | GB1015449A (de) |
NL (1) | NL6412219A (de) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3396659A (en) * | 1966-04-22 | 1968-08-13 | Forsvarets Fabriksverk | Device of inflaming large-bore propelling charge |
US3398683A (en) * | 1965-05-08 | 1968-08-27 | Rheinmetall Gmbh | Blank cartridge |
US3424088A (en) * | 1966-05-27 | 1969-01-28 | Rheinmetall Gmbh | Blank rounds of ammunition |
US3442214A (en) * | 1965-05-24 | 1969-05-06 | Imp Metal Ind Kynoch Ltd | Shotgun cartridge |
US3604355A (en) * | 1969-02-05 | 1971-09-14 | Us Navy | Propellant-loaded cartridge |
US4593622A (en) * | 1983-09-23 | 1986-06-10 | Dynamit Nobel Aktiengesellschaft | Industrial cartridge with separated deflagrating components |
FR2661492A1 (fr) * | 1990-04-26 | 1991-10-31 | Lavoix Pierre | Cartouche pour canon a eau. |
EP0538733A1 (de) * | 1991-10-25 | 1993-04-28 | Wilhelm Brenneke Kg Fabrikation Von Jagdgeschossen | Verwendung einer Kartusche zum Laden und Abschiessen von Diabolos |
US20190226818A1 (en) * | 2018-01-21 | 2019-07-25 | Vista Outdoor Operations Llc | Muzzleloader systems |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2674324A1 (fr) * | 1991-04-02 | 1992-09-25 | Eguizabal Echevarria Julian | Projectile pour la simulation de tir au laser. |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US726579A (en) * | 1902-09-22 | 1903-04-28 | Otto Schuette | Blank cartridge. |
GB911896A (en) * | 1958-07-31 | 1962-11-28 | Wasagchemie Ag | Improvements in or relating to blank cartridges for artillery |
US3103883A (en) * | 1960-02-22 | 1963-09-17 | Rheinmetall Gmbh | Blank cartridge |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US797218A (en) * | 1904-03-09 | 1905-08-15 | Francis I Du Pont | Smokeless-powder saluting charge. |
-
1963
- 1963-10-31 DE DER36459A patent/DE1229880B/de active Pending
-
1964
- 1964-10-20 NL NL6412219A patent/NL6412219A/xx unknown
- 1964-10-23 US US405974A patent/US3295448A/en not_active Expired - Lifetime
- 1964-10-23 CH CH1380564A patent/CH422583A/de unknown
- 1964-10-27 GB GB43818/64A patent/GB1015449A/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US726579A (en) * | 1902-09-22 | 1903-04-28 | Otto Schuette | Blank cartridge. |
GB911896A (en) * | 1958-07-31 | 1962-11-28 | Wasagchemie Ag | Improvements in or relating to blank cartridges for artillery |
US3103883A (en) * | 1960-02-22 | 1963-09-17 | Rheinmetall Gmbh | Blank cartridge |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3398683A (en) * | 1965-05-08 | 1968-08-27 | Rheinmetall Gmbh | Blank cartridge |
US3442214A (en) * | 1965-05-24 | 1969-05-06 | Imp Metal Ind Kynoch Ltd | Shotgun cartridge |
US3396659A (en) * | 1966-04-22 | 1968-08-13 | Forsvarets Fabriksverk | Device of inflaming large-bore propelling charge |
US3424088A (en) * | 1966-05-27 | 1969-01-28 | Rheinmetall Gmbh | Blank rounds of ammunition |
US3604355A (en) * | 1969-02-05 | 1971-09-14 | Us Navy | Propellant-loaded cartridge |
US4593622A (en) * | 1983-09-23 | 1986-06-10 | Dynamit Nobel Aktiengesellschaft | Industrial cartridge with separated deflagrating components |
FR2661492A1 (fr) * | 1990-04-26 | 1991-10-31 | Lavoix Pierre | Cartouche pour canon a eau. |
EP0538733A1 (de) * | 1991-10-25 | 1993-04-28 | Wilhelm Brenneke Kg Fabrikation Von Jagdgeschossen | Verwendung einer Kartusche zum Laden und Abschiessen von Diabolos |
US20190226818A1 (en) * | 2018-01-21 | 2019-07-25 | Vista Outdoor Operations Llc | Muzzleloader systems |
Also Published As
Publication number | Publication date |
---|---|
NL6412219A (de) | 1965-05-03 |
GB1015449A (en) | 1965-12-31 |
CH422583A (de) | 1966-10-15 |
DE1229880B (de) | 1966-12-01 |
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