GB1232923A - - Google Patents

Info

Publication number
GB1232923A
GB1232923A GB1748269A GB1232923DA GB1232923A GB 1232923 A GB1232923 A GB 1232923A GB 1748269 A GB1748269 A GB 1748269A GB 1232923D A GB1232923D A GB 1232923DA GB 1232923 A GB1232923 A GB 1232923A
Authority
GB
United Kingdom
Prior art keywords
mould
charges
powder
casting
connection
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
GB1748269A
Inventor
S Gordon
G I Evans
A Cunliffe
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.)
Imperial Metal Industries Kynoch Ltd
Original Assignee
Imperial Metal Industries Kynoch Ltd
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 Imperial Metal Industries Kynoch Ltd filed Critical Imperial Metal Industries Kynoch Ltd
Publication of GB1232923A publication Critical patent/GB1232923A/en
Expired 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
    • C06B21/0058—Shaping the mixture by casting a curable composition, e.g. of the plastisol type

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Moulding By Coating Moulds (AREA)
  • Mold Materials And Core Materials (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

1,232,923. Casting propellant charges IMPERIAL METAL INDUSTRIES. (KYNOCH) Ltd. 4 March, 1970 [3 April, 1969], No. 17482/69. Heading B5A. [Also in Division F3] A method of casting solid propellant charges for rocket motors, comprises locating in a mould cavity a plurality of quantities of casting powder 40, e.g. chopped nitrocellulose, separated by members 41 having holes 44, compressing the quantities 40 from at least one end of the mould by an air cylinder 19 acting through a perforated plate 23, displacing air from the powder by the passage of a casting liquid, e.g. desensitized nitroglycerine, from a connection 32 at one end of the mould, to an outlet 12 at the other end, curing the propellant charge formed from each quantity to a solid mass, the pressure in the cylinder 19 being maintained substantially constant, and removing the charges from the cavity. The mould is formed by a tubular member 2 split longitudinally into halves, and joined by bolts 4 engaging flanges 6. Each separator member 41 is formed from plastics and has a plastics membrane 45 adjacent the powder to enable the charges to be separated. A lining of combustion inhibiting material, e.g. cellulose acetate, is placed in the mould before the powder. An inert gas, e.g. nitrogen, is supplied to a chamber 24 from an inlet 36 to force the casting liquid through the powder. In Figs. 2, 2A (not shown), a core pin (60) is placed in the mould to form tubular charges. The mould can be a complete tubular member. The adjacent charges can be of differing materials. The casting liquid can flow from the connection 12 to the connection 32. The end of the charges can be castellated. The core pin may have an oval or star-shaped cross-section.
GB1748269A 1969-04-03 1969-04-03 Expired GB1232923A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1748269 1969-04-03

Publications (1)

Publication Number Publication Date
GB1232923A true GB1232923A (en) 1971-05-26

Family

ID=10095944

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1748269A Expired GB1232923A (en) 1969-04-03 1969-04-03

Country Status (5)

Country Link
US (1) US3678138A (en)
FR (1) FR2042850A5 (en)
GB (1) GB1232923A (en)
NO (1) NO140202C (en)
SE (1) SE377377B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2626353C2 (en) * 2015-12-08 2017-07-26 Алексей Геннадьевич Ребеко Method for manufacturing solid-fuel rocket engine charging from mixed rocket fuel
CN110145411A (en) * 2019-05-27 2019-08-20 上海新力动力设备研究所 A kind of solid propellant rocket inner hole cast charge constitution and method with inner cavity partition
GB2571720A (en) * 2018-03-05 2019-09-11 Bae Systems Plc Pre-defined recess
US11766809B2 (en) 2018-03-05 2023-09-26 Bae Systems Plc Method of forming pre-defined recess in cured or cast explosive composition

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4888827A (en) * 1988-12-22 1989-12-26 Lee Roger H Shirt and tie garment protector
DE69517689T2 (en) * 1994-04-29 2000-10-19 Cordant Tech Inc TWO-PHASE SOLID ROCKET ENGINE
FR2737538B1 (en) * 1995-08-04 1997-08-29 Poudres & Explosifs Ste Nale REMOVABLE MECHANICAL CORE AND METHODS OF IMPLEMENTATION
CN109633764B (en) * 2018-12-18 2020-03-31 济南大学 Method for determining horizontal seepage channel of runoff area by adopting tracing technology
CN113431705A (en) * 2021-06-09 2021-09-24 西北工业大学 Micro-propellant grain pouring system and method
CN114018106B (en) * 2021-11-10 2023-03-31 轻工业西安机械设计研究院有限公司 Injection molding medicine mold splitting and taking device and method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3191535A (en) * 1959-05-25 1965-06-29 Dow Chemical Co Solid cellular metallic propellants
US3359350A (en) * 1965-10-20 1967-12-19 Atlantic Res Corp Method of aligning elongated metallic heat conductors within a viscous, gasgenerating matrix
US3413384A (en) * 1967-04-24 1968-11-26 Thiokol Chemical Corp Method of obtaining unidirectional orientation of monofilaments in curable elastomeric materials

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2626353C2 (en) * 2015-12-08 2017-07-26 Алексей Геннадьевич Ребеко Method for manufacturing solid-fuel rocket engine charging from mixed rocket fuel
GB2571720A (en) * 2018-03-05 2019-09-11 Bae Systems Plc Pre-defined recess
US11766809B2 (en) 2018-03-05 2023-09-26 Bae Systems Plc Method of forming pre-defined recess in cured or cast explosive composition
GB2571720B (en) * 2018-03-05 2023-11-29 Bae Systems Plc Pre-defined recess
CN110145411A (en) * 2019-05-27 2019-08-20 上海新力动力设备研究所 A kind of solid propellant rocket inner hole cast charge constitution and method with inner cavity partition
CN110145411B (en) * 2019-05-27 2020-09-18 上海新力动力设备研究所 Solid rocket engine inner hole tubular charging structure with inner cavity partition plate and method

Also Published As

Publication number Publication date
SE377377B (en) 1975-06-30
DE2015824A1 (en) 1970-11-19
US3678138A (en) 1972-07-18
FR2042850A5 (en) 1971-02-12
NO140202B (en) 1979-04-09
NO140202C (en) 1979-07-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years