FR1506956A - Worm screw press for the extrusion of solid propellants - Google Patents

Worm screw press for the extrusion of solid propellants

Info

Publication number
FR1506956A
FR1506956A FR89405A FR89405A FR1506956A FR 1506956 A FR1506956 A FR 1506956A FR 89405 A FR89405 A FR 89405A FR 89405 A FR89405 A FR 89405A FR 1506956 A FR1506956 A FR 1506956A
Authority
FR
France
Prior art keywords
extrusion
worm screw
screw press
solid propellants
propellants
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
Application number
FR89405A
Other languages
French (fr)
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.)
Dynamit Nobel AG
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
Application filed by Dynamit Nobel AG filed Critical Dynamit Nobel AG
Application granted granted Critical
Publication of FR1506956A publication Critical patent/FR1506956A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Press Drives And Press Lines (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
FR89405A 1965-12-30 1966-12-29 Worm screw press for the extrusion of solid propellants Expired FR1506956A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED0049047 1965-12-30

Publications (1)

Publication Number Publication Date
FR1506956A true FR1506956A (en) 1967-12-22

Family

ID=7051621

Family Applications (1)

Application Number Title Priority Date Filing Date
FR89405A Expired FR1506956A (en) 1965-12-30 1966-12-29 Worm screw press for the extrusion of solid propellants

Country Status (5)

Country Link
BE (1) BE691940A (en)
DE (1) DE1446876A1 (en)
FR (1) FR1506956A (en)
GB (1) GB1170430A (en)
NO (1) NO117961B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112537072A (en) * 2020-11-19 2021-03-23 孟繁军 Straw forming and briquetting machine

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI129682B (en) * 2016-08-26 2022-06-30 Teknologian Tutkimuskeskus Vtt Oy Single-screw extruder and method
FI129499B (en) 2018-02-26 2022-03-31 Teknologian Tutkimuskeskus Vtt Oy Method of carrying out thermolysis and thermolysis apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112537072A (en) * 2020-11-19 2021-03-23 孟繁军 Straw forming and briquetting machine

Also Published As

Publication number Publication date
GB1170430A (en) 1969-11-12
DE1446876A1 (en) 1968-11-21
NO117961B (en) 1969-10-13
BE691940A (en) 1967-05-29

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