AT224522B - Device for the continuous production of guns and propellants - Google Patents

Device for the continuous production of guns and propellants

Info

Publication number
AT224522B
AT224522B AT733758A AT733758A AT224522B AT 224522 B AT224522 B AT 224522B AT 733758 A AT733758 A AT 733758A AT 733758 A AT733758 A AT 733758A AT 224522 B AT224522 B AT 224522B
Authority
AT
Austria
Prior art keywords
continuous production
propellants
powder
guns
nozzle
Prior art date
Application number
AT733758A
Other languages
German (de)
Original Assignee
Dynamit Nobel 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
Priority claimed from DED26179A external-priority patent/DE1048212B/en
Application filed by Dynamit Nobel Ag filed Critical Dynamit Nobel Ag
Application granted granted Critical
Publication of AT224522B publication Critical patent/AT224522B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
    • C06B21/0033—Shaping the mixture
    • C06B21/0075—Shaping the mixture by extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Nozzles (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Vorrichtung zur kontinuierlichen Herstellung von   Schiess-und Treibmitteln    
Gegenstand des   Sta. mmpatentes Nr. 214329   ist eine Vorrichtung zur kontinuierlichen Herstellung von   Schiess- und   Treibmitteln mit oder ohne Verwendung von Lösungsmitteln, gekennzeichnet durch eine   Doppel-oderMehrspindel-Schneckenpresse.   bei der Einspeisevorrichtungen für flüssige oder feste Zusatz- komponenten vorgesehen sein können, wobei die Presse aufeinanderfolgend eine drucklose Zone als Mischi zone, eine druckerzeugende Zone als   Verdrängungs-bzw.   Abscheidezone und je eine drucklose Zone als   Knet-bzw.   Austragszone aufweist.

   Eine spezielle Ausführung dieser Vorrichtung ist dadurch gekennzeich- net, dass an die Austragszone ein geschlossener, heizbarer Kanal, der an eine Absaugvorrichtung ange- schlossen werden kann, und eine Formgebungsschnecke anschliesst, hinter deren Mundstück eine Schnei- devorrichtung vorgesehen ist. 



    Die Grösse   des zu   pressendenPulverstranges   ist dabei   massgeblich bestimmt   durch den Durchmesser der
Schneckenspindel der Formgebungsschnecke. Wird als Formgebungsschnecke eine Doppelschneckenpresse verwendet, bei der der Spindeldurchmesser   z. B.   70 mm beträgt, so wird ein Pulverstrang erhalten, der nur 50 mm Durchmesser besitzt. 



   Erfindungsgemäss wird nun eine Vorrichtung vorgeschlagen, bei der man auch grössere Pulverstränge pressen kann, ohne die Dimensionen der Spindelschnecke zu vergrössern. Man erhält   z. B. bei   Verwen- dung einer 70 mm Spindelschnecke Pulverstränge bis zu 100 mm und mehr, wenn erfindungsgemäss die
Formdüse,   z. B.   zu einem Zylinder, verbreitert und verlängert und mit einer mit Radialschlitzen verse- henen Bremsplatte abgeschlossen ist. Diese Schlitze lassen die den Pulverstrang umgebende Luft beim   Anfüllen   der Düse entweichen, wobei man noch kurze Zeit auch Pulvermassen austreten lässt.

   Hiedurch bleibt   die Pulvermasse im Fliessen und   man erhält einen formgerechten und lunkerfreien   Pulverkörper.   Bei kontinuierlicher Verarbeitung und Herstellung längerer Pulverkörper wird die Bremsplatte abgenommen und somit ein der grösseren Düsenöffnung entsprechender lunkerfreier Strang weiter ausgepresst, da die
Wandreibung den nötigen Widerstand zur Füllung der Düse bewirkt. 



   Fig. 1 zeigt eine Ausführung der erfindungsgemässen Vorrichtung. Von der Formgebungsschnecke 1 gelangt die Pulvermasse in die erweiterte und verlängerte Düse 2. Zur Beheizung dieser Düse 2 ist diese mit einem Heisswassermantel 3 versehen. Am Düsenaustritt befindet sich die Bremsplatte 4 mit Nuten. 



   Fig. 2 zeigt die Bremsplatte 4 in der Ansicht von hinten. 

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 



  Device for the continuous production of firing and propellants
Subject of the Sta. mmpatentes No. 214329 is a device for the continuous production of shooting and propellants with or without the use of solvents, characterized by a double or multi-spindle screw press. in which feed devices for liquid or solid additional components can be provided, with the press successively having a pressureless zone as a mixing zone and a pressure-generating zone as a displacement or displacement zone. Separation zone and a pressureless zone each as kneading or. Has discharge zone.

   A special embodiment of this device is characterized in that a closed, heatable channel, which can be connected to a suction device, and a shaping screw, behind the mouthpiece of which a cutting device is provided, connects to the discharge zone.



    The size of the strand of powder to be pressed is largely determined by the diameter of the
Screw spindle of the shaping screw. If a twin screw press is used as the shaping screw, in which the spindle diameter z. B. 70 mm, a powder strand is obtained which has a diameter of only 50 mm.



   According to the invention, a device is now proposed in which larger powder strands can also be pressed without increasing the dimensions of the spindle screw. One obtains z. B. when using a 70 mm spindle screw powder strands up to 100 mm and more, if according to the invention
Form nozzle, e.g. B. to a cylinder, widened and lengthened and finished with a brake plate provided with radial slots. These slots allow the air surrounding the powder strand to escape when the nozzle is being filled, and powder masses are also allowed to escape for a short time.

   As a result, the powder mass remains flowing and one obtains a form-fitting and void-free powder body. In the case of continuous processing and manufacture of longer powder bodies, the brake plate is removed and a void-free strand corresponding to the larger nozzle opening is pressed out further, since the
Wall friction creates the necessary resistance to fill the nozzle.



   1 shows an embodiment of the device according to the invention. From the shaping screw 1, the powder mass passes into the widened and lengthened nozzle 2. This nozzle 2 is provided with a hot water jacket 3 to heat it. The brake plate 4 with grooves is located at the nozzle outlet.



   Fig. 2 shows the brake plate 4 in a view from the rear.

** WARNING ** End of DESC field may overlap beginning of CLMS **.

Claims (1)

PATENTANSPRUCH : Vorrichtung zur kontinuierlichen Herstellung von Schiess-und Treibmitteln nach Patent Nr. 214329, dadurch gekennzeichnet, dass der Formgebungsschnecke eine verbreiterte und verlängerte Düse angesetzt ist, die mit einer mit Radialschlitzen versehenen Bremsplatte abgeschlossen ist. **WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. PATENT CLAIM: Device for the continuous production of firing and propellants according to patent no. 214329, characterized in that the shaping screw is fitted with a widened and lengthened nozzle which is closed with a brake plate provided with radial slots. ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT733758A 1957-08-09 1958-10-21 Device for the continuous production of guns and propellants AT224522B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DED26179A DE1048212B (en) 1957-08-09 1957-08-09 Device for the continuous production of gunpowder and propellants
DED27754A DE1060761B (en) 1957-08-09 1958-03-28 Device for the continuous production of gunpowder and propellants

Publications (1)

Publication Number Publication Date
AT224522B true AT224522B (en) 1962-11-26

Family

ID=25970817

Family Applications (1)

Application Number Title Priority Date Filing Date
AT733758A AT224522B (en) 1957-08-09 1958-10-21 Device for the continuous production of guns and propellants

Country Status (4)

Country Link
AT (1) AT224522B (en)
CH (1) CH390766A (en)
DE (1) DE1060761B (en)
FR (1) FR74394E (en)

Also Published As

Publication number Publication date
CH390766A (en) 1965-04-15
FR74394E (en) 1960-11-07
DE1060761B (en) 1959-07-02

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