IT8920946A0 - Procedimento e dispositivo per assicurare il processo di mescolamento per la produzione di materiali esplosivi a forma di filone e propellenti in un estrusore a vite. - Google Patents

Procedimento e dispositivo per assicurare il processo di mescolamento per la produzione di materiali esplosivi a forma di filone e propellenti in un estrusore a vite.

Info

Publication number
IT8920946A0
IT8920946A0 IT8920946A IT2094689A IT8920946A0 IT 8920946 A0 IT8920946 A0 IT 8920946A0 IT 8920946 A IT8920946 A IT 8920946A IT 2094689 A IT2094689 A IT 2094689A IT 8920946 A0 IT8920946 A0 IT 8920946A0
Authority
IT
Italy
Prior art keywords
propellants
stream
procedure
ensure
production
Prior art date
Application number
IT8920946A
Other languages
English (en)
Other versions
IT1230893B (it
Inventor
Heinz Krimmel
Manfred Muller
Rolf Schilling
Ulrich Weller
Original Assignee
Werner & Pfleidere 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
Application filed by Werner & Pfleidere Gmbh filed Critical Werner & Pfleidere Gmbh
Publication of IT8920946A0 publication Critical patent/IT8920946A0/it
Application granted granted Critical
Publication of IT1230893B publication Critical patent/IT1230893B/it

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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/256—Exchangeable extruder parts
    • B29C48/2562—Mounting or handling of the die
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/96—Safety devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/22—Extrusion presses; Dies therefor
    • B30B11/24—Extrusion presses; Dies therefor using screws or worms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92019—Pressure
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92209—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
IT8920946A 1988-06-24 1989-06-21 Procedimento e dispositivo per assicurare il processo di mescolamento per la produzione di materiali esplosivi a forma di filone e propellenti in un estrusore a vite IT1230893B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3821311A DE3821311A1 (de) 1988-06-24 1988-06-24 Verfahren und vorrichtung zur sicherung des mischvorganges bei der herstellung strangfoermiger explosivstoffe und treibmittel in einem schneckenextruder

Publications (2)

Publication Number Publication Date
IT8920946A0 true IT8920946A0 (it) 1989-06-21
IT1230893B IT1230893B (it) 1991-11-08

Family

ID=6357148

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8920946A IT1230893B (it) 1988-06-24 1989-06-21 Procedimento e dispositivo per assicurare il processo di mescolamento per la produzione di materiali esplosivi a forma di filone e propellenti in un estrusore a vite

Country Status (5)

Country Link
US (1) US4931229A (it)
DE (1) DE3821311A1 (it)
FR (1) FR2633281B1 (it)
GB (1) GB2219996B (it)
IT (1) IT1230893B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3805317A1 (de) * 1988-02-20 1989-08-24 Fraunhofer Ges Forschung Verfahren und vorrichtung zur herstellung von treibladungsgranulat
US5373923A (en) * 1992-02-14 1994-12-20 Koenig; Larry E. Rotary motor with counterbalanced torque arm
US5487851A (en) * 1993-12-20 1996-01-30 Thiokol Corporation Composite gun propellant processing technique
US5670098A (en) * 1996-08-20 1997-09-23 Thiokol Corporation Black powder processing on twin-screw extruder
WO1998042640A1 (en) 1997-03-21 1998-10-01 Cordant Technologies, Inc. Method for manufacture of black powder and black powder substitute
US6315930B1 (en) 1999-09-24 2001-11-13 Autoliv Asp, Inc. Method for making a propellant having a relatively low burn rate exponent and high gas yield for use in a vehicle inflator
US7869900B2 (en) * 2005-12-12 2011-01-11 Balcones Fuel Technology, Inc. Integrated cuber management system
US20100303945A1 (en) * 2009-05-28 2010-12-02 Citriniti Joseph H Devices And Methods For Regulating Extruder Ceramic Batch Material
CN103698227B (zh) * 2013-11-28 2015-12-30 西安近代化学研究所 螺压推进剂螺压成型过程中螺杆和物料工艺温度测量装置
CN103833492B (zh) * 2014-01-22 2016-06-08 贵州久联民爆器材发展股份有限公司 一种防止膨化结晶机内膨化物料堵塞的方法及装置
US9833951B1 (en) * 2015-07-22 2017-12-05 Vandell Norwood, Sr. System and method for control of plastic filament extruder
US11337365B2 (en) 2019-02-01 2022-05-24 Cnh Industrial Canada, Ltd. Agricultural agitating and leveling system
US11297763B2 (en) 2019-02-01 2022-04-12 Cnh Industrial Canada, Ltd. Agitation and leveling system for particulate material

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3563515A (en) * 1968-09-05 1971-02-16 Baker Perkins Inc Mixing machine
US3997147A (en) * 1973-04-30 1976-12-14 Baker Perkins Continuous mixer
US4049392A (en) * 1974-11-18 1977-09-20 General Electric Company Method for extrusion of coal containing body
FR2326289A1 (fr) * 1975-10-01 1977-04-29 Poudres & Explosifs Ste Nale Boudineuse a fourreau ouvrable
DE2707351C3 (de) * 1977-02-19 1980-08-28 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Sicherheitsvorrichtung für Extrudergehäuse und Siebvorrichtung
DE2825567B1 (de) * 1978-06-10 1979-11-15 Dynamit Nobel Ag Verfahren zur kontinuierlichen Herstellung von Explosivstoffgemischen
DE2825795C2 (de) * 1978-06-13 1982-06-03 Werner & Pfleiderer, 7000 Stuttgart Verfahren zum Druckaufbau in einer Presse und Schaltanordnung zum Ausüben des Verfahrens
DE2836847A1 (de) * 1978-08-23 1980-03-06 Bayer Ag Volumenarme mehrwellenschneckenmaschinenaustrittsvorrichtung mit siebwechselvorrichtung
DE3242301A1 (de) * 1982-11-16 1984-05-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Verfahren und vorrichtung zur herstellung ein- oder mehrbasiger treibladungspulver
US4585600A (en) * 1984-11-28 1986-04-29 Hercules Incorporated Extrusion, conveyance, and cutting system

Also Published As

Publication number Publication date
DE3821311A1 (de) 1989-12-28
GB2219996B (en) 1992-03-25
FR2633281B1 (fr) 1994-05-27
IT1230893B (it) 1991-11-08
US4931229A (en) 1990-06-05
GB2219996A (en) 1989-12-28
DE3821311C2 (it) 1991-11-21
FR2633281A1 (fr) 1989-12-29
GB8909673D0 (en) 1989-06-14

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970625