DE3821311A1 - Verfahren und vorrichtung zur sicherung des mischvorganges bei der herstellung strangfoermiger explosivstoffe und treibmittel in einem schneckenextruder - Google Patents

Verfahren und vorrichtung zur sicherung des mischvorganges bei der herstellung strangfoermiger explosivstoffe und treibmittel in einem schneckenextruder

Info

Publication number
DE3821311A1
DE3821311A1 DE3821311A DE3821311A DE3821311A1 DE 3821311 A1 DE3821311 A1 DE 3821311A1 DE 3821311 A DE3821311 A DE 3821311A DE 3821311 A DE3821311 A DE 3821311A DE 3821311 A1 DE3821311 A1 DE 3821311A1
Authority
DE
Germany
Prior art keywords
screw extruder
screw
housing
pressure
piston
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
DE3821311A
Other languages
German (de)
English (en)
Other versions
DE3821311C2 (enExample
Inventor
Heinz Dipl Ing Krimmel
Manfred Dr In Mueller-Sybrichs
Rolf Schilling
Ulrich Dipl Ing Weller
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.)
WERNER & PFLEIDERER CORP. (N.D.GES.D. STAATES DELA
Original Assignee
Werner and Pfleiderer 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 and Pfleiderer GmbH filed Critical Werner and Pfleiderer GmbH
Priority to DE3821311A priority Critical patent/DE3821311A1/de
Priority to GB8909673A priority patent/GB2219996B/en
Priority to FR8907262A priority patent/FR2633281B1/fr
Priority to US07/366,739 priority patent/US4931229A/en
Priority to IT8920946A priority patent/IT1230893B/it
Publication of DE3821311A1 publication Critical patent/DE3821311A1/de
Application granted granted Critical
Publication of DE3821311C2 publication Critical patent/DE3821311C2/de
Granted legal-status Critical Current

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)
DE3821311A 1988-06-24 1988-06-24 Verfahren und vorrichtung zur sicherung des mischvorganges bei der herstellung strangfoermiger explosivstoffe und treibmittel in einem schneckenextruder Granted DE3821311A1 (de)

Priority Applications (5)

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
GB8909673A GB2219996B (en) 1988-06-24 1989-04-27 Safety monitoring the processing of explosive material in a worm extruder
FR8907262A FR2633281B1 (fr) 1988-06-24 1989-06-01 Procede et dispositif pour assurer la securite pendant le melangeage de matieres explosives et d'agents propulseurs dans une extrudeuse a vis
US07/366,739 US4931229A (en) 1988-06-24 1989-06-15 Method and apparatus for protecting a screw extruder producing strand-shaped explosives and propellants
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

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
DE3821311A1 true DE3821311A1 (de) 1989-12-28
DE3821311C2 DE3821311C2 (enExample) 1991-11-21

Family

ID=6357148

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3821311A Granted 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

Country Status (5)

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

Families Citing this family (14)

* 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
US11297763B2 (en) 2019-02-01 2022-04-12 Cnh Industrial Canada, Ltd. Agitation and leveling system for particulate material
US11337365B2 (en) 2019-02-01 2022-05-24 Cnh Industrial Canada, Ltd. Agricultural agitating and leveling system
KR102737685B1 (ko) * 2023-01-06 2024-12-03 엘아이지넥스원 주식회사 자동개폐 클램프 조립체 및 이를 포함하는 성형기

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3997147A (en) * 1973-04-30 1976-12-14 Baker Perkins Continuous mixer
DE2836847A1 (de) * 1978-08-23 1980-03-06 Bayer Ag Volumenarme mehrwellenschneckenmaschinenaustrittsvorrichtung mit siebwechselvorrichtung
DE2707351C3 (de) * 1977-02-19 1980-08-28 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Sicherheitsvorrichtung für Extrudergehäuse und Siebvorrichtung
DE2642153C3 (de) * 1975-10-01 1984-03-08 Société Nationale des Poudres et Explosifs, 75181 Paris Schneckenstrangpresse für pyrotechnische Zusammensetzungen

Family Cites Families (6)

* 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
US4049392A (en) * 1974-11-18 1977-09-20 General Electric Company Method for extrusion of coal containing body
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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3997147A (en) * 1973-04-30 1976-12-14 Baker Perkins Continuous mixer
DE2642153C3 (de) * 1975-10-01 1984-03-08 Société Nationale des Poudres et Explosifs, 75181 Paris Schneckenstrangpresse für pyrotechnische Zusammensetzungen
DE2707351C3 (de) * 1977-02-19 1980-08-28 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Sicherheitsvorrichtung für Extrudergehäuse und Siebvorrichtung
DE2836847A1 (de) * 1978-08-23 1980-03-06 Bayer Ag Volumenarme mehrwellenschneckenmaschinenaustrittsvorrichtung mit siebwechselvorrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DE-Z.: VDI-Zeitschrift, Bd.93, 1951, Nr.19/20, S.633-638 *

Also Published As

Publication number Publication date
GB8909673D0 (en) 1989-06-14
US4931229A (en) 1990-06-05
FR2633281B1 (fr) 1994-05-27
IT1230893B (it) 1991-11-08
FR2633281A1 (fr) 1989-12-29
GB2219996A (en) 1989-12-28
IT8920946A0 (it) 1989-06-21
GB2219996B (en) 1992-03-25
DE3821311C2 (enExample) 1991-11-21

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: WERNER & PFLEIDERER CORP. (N.D.GES.D. STAATES DELA

8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE RAU, SCHNECK & HUEBNER, 90402 NUERNBERG

8339 Ceased/non-payment of the annual fee