JP2016534313A - 多層推進薬グレインを製造する方法 - Google Patents
多層推進薬グレインを製造する方法 Download PDFInfo
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- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- 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
- B29C48/475—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pistons, accumulators or press rams
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B25/00—Compositions containing a nitrated organic compound
- C06B25/18—Compositions containing a nitrated organic compound the compound being nitrocellulose present as 10% or more by weight of the total composition
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B45/00—Compositions or products which are defined by structure or arrangement of component of product
- C06B45/04—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive
- C06B45/06—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive the solid solution or matrix containing an organic component
- C06B45/10—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive the solid solution or matrix containing an organic component the organic component containing a resin
- C06B45/105—The resin being a polymer bearing energetic groups or containing a soluble organic explosive
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B45/00—Compositions or products which are defined by structure or arrangement of component of product
- C06B45/12—Compositions or products which are defined by structure or arrangement of component of product having contiguous layers or zones
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
- F42B5/02—Cartridges, i.e. cases with charge and missile
- F42B5/16—Cartridges, i.e. cases with charge and missile characterised by composition or physical dimensions or form of propellant charge, with or without projectile, or powder
-
- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/11—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels comprising two or more partially or fully enclosed cavities, e.g. honeycomb-shaped
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Molecular Biology (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
本出願は、2013年8月16日出願の米国仮出願第61/866,748号、および2014年1月28日出願の米国特許出願第14/166,622号の優先権の利益を主張する。同出願の内容全体を、参照により本明細書に組み込む。
下記の非限定的な例により、本開示を例示する。なお、下記の例およびプロセスに対して、添付の特許請求の範囲に定義される本開示の範囲から逸脱することなく、様々な変更や修正を行うことができることに留意すべきである。よって、下記の例は、例示的なものとしてのみ解釈されるべきであり、いかなる意味でも限定的と解釈されるべきではないことに留意すべきである。
Claims (18)
- 第1の推進薬製剤を提供するステップと、
物質が内側を通って押し出される時に、外殻および中空の内部を有する構造を提供するよう構成された型を提供するステップと、
前記第1の推進薬製剤を前記型を通って押し出して、中空の内部を規定する外殻を有する第1の推進薬層を、複数の開口端部を有する通路の形状で製造するステップと、
第2の推進薬製剤を提供するステップであって、前記第2の推進薬製剤は低粘性であるステップと、
前記第2の推進薬製剤を、前記第1の推進薬層によって規定される前記通路に注入して、前記通路内に配置される第2の推進薬層を形成するステップであって、前記第2の推進薬製剤の前記注入は、前記第1の推進薬製剤の前記押し出しとほぼ同時に行われるステップと、
前記第2の推進薬層を硬化させるステップと、を含み、
前記第1および第2の推進薬層は、燃焼速度が異なる
ことを特徴とする多層推進薬グレインを製造する方法。 - 前記第2の推進薬製剤の粘性は、約0から約2000パスカル秒の範囲である
ことを特徴とする請求項1に記載の方法。 - 前記第1の推進薬層は管の形状を取る
ことを特徴とする請求項1に記載の方法。 - 製造された前記推進薬グレインは、2つの同心シリンダーから成る
ことを特徴とする請求項3に記載の方法。 - 前記第1の推進薬層は、約55%ニトロセルロースおよび約45%トリメチロールエタントリナイトレート(TMETN)から成る緩慢燃焼層である
ことを特徴とする請求項1に記載の方法。 - 前記第2の推進薬層は、約26%GAP、約39%TMETN、および約35%RDXから成る高速燃焼層である
ことを特徴とする請求項1に記載の方法。 - 前記第1の推進薬製剤を前記型を通って押し出すステップは、ラムプレスまたはスクリュ式押出機を用いて行われる
ことを特徴とする請求項1に記載の方法。 - 前記第2の推進薬製剤を前記通路に注入するステップは、圧力差によって行われる
ことを特徴とする請求項1に記載の方法。 - 前記第2の推進薬製剤を前記通路に注入する前に、前記第2の推進薬製剤を溶媒を用いて軟化させ、前記通路への前記第2の推進薬製剤後に、前記第2の推進薬層を硬化させるために、蒸発により前記溶媒を除去するステップ、を含む
ことを特徴とする請求項1に記載の方法。 - 前記第2の推進薬製剤を前記通路へ注入する前に、前記第2の推進薬製剤を加熱するステップと、前記第2の推進薬製剤を注入後に、前記第2の推進薬層を硬化させるために、前記第2の推進薬製剤を冷却するステップと、を含む
ことを特徴とする請求項1に記載の方法。 - 前記第2の推進薬層を硬化させるステップは、前記第2の推進薬層を加熱することによって行われる
ことを特徴とする請求項1に記載の方法。 - 前記第2の推進薬層を硬化させるステップは、硬化剤を前記第2の推進薬層へ添加することにより行われる
ことを特徴とする請求項1に記載の方法。 - 前記第1の推進薬製剤を押し出すステップと、前記第2の推進薬製剤を前記流路へ注入するステップとは、同時に行われる
ことを特徴とする請求項1に記載の方法。 - 前記第1の推進薬層は、燃焼速度が、200MPaで、毎秒約0.1から約0.3メートルである
ことを特徴とする請求項1に記載の方法。 - 前記第2の推進薬層は、燃焼速度が、200MPaで、毎秒約0.15から約1メートルである
ことを特徴とする請求項1に記載の方法。 - 前記押し出すステップは、前記第1の推進薬製剤を、前記第1の推進薬製剤を前記型の中を通らせるためのラムプレスの圧力 ラムプレス押出機に挿入することによって行われる
ことを特徴とする請求項1に記載の方法。 - 前記注入ステップは、前記第2の推進薬製剤に対して空気圧を加えることによって行われる
ことを特徴とする請求項1に記載の方法。 - 前記型は、第1および第2の型部材を含み、前記第1の型部材は、前記第2の型部材に受けられ、前記第1の型部材は、前記第1の型部材を通って形成される、前記第1の推進薬製剤を受け取るための第1の流路を規定し、前記第1の型部材はさらに、前記第2の推進薬製剤を受け取るための、前記通路とは離れた管を含み、前記第2の型部材は、前記第1の流路を通って搬送される前記第1の推進薬製剤を受け取り、前記管を受けるための第2の流路を規定し、前記第2の型部材は、前記通路からの前記第1の推進薬製剤および前記管からの第2の推進薬製剤を搬送するための末端開口部を規定し、前記第2の推進薬製剤は前記第1の推進薬層により規定される前記通路内へ注入される
ことを特徴とする請求項1に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361866748P | 2013-08-16 | 2013-08-16 | |
US61/866,748 | 2013-08-16 | ||
US14/166,622 US10843979B2 (en) | 2013-08-16 | 2014-01-28 | Method of manufacturing multi-layered propellant grains |
US14/166,622 | 2014-01-28 | ||
PCT/CA2014/050755 WO2015021545A1 (en) | 2013-08-16 | 2014-08-08 | Method of manufacturing multi-layered propellant grains |
Publications (2)
Publication Number | Publication Date |
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JP2016534313A true JP2016534313A (ja) | 2016-11-04 |
JP6524083B2 JP6524083B2 (ja) | 2019-06-05 |
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Application Number | Title | Priority Date | Filing Date |
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JP2016533759A Active JP6524083B2 (ja) | 2013-08-16 | 2014-08-08 | 多層推進薬グレインを製造する方法 |
Country Status (11)
Country | Link |
---|---|
US (1) | US10843979B2 (ja) |
EP (1) | EP3033585B1 (ja) |
JP (1) | JP6524083B2 (ja) |
KR (1) | KR102219278B1 (ja) |
AU (1) | AU2014306330B2 (ja) |
BR (1) | BR112016003232B1 (ja) |
CA (1) | CA2920690C (ja) |
ES (1) | ES2792274T3 (ja) |
IL (1) | IL244125B (ja) |
SG (1) | SG11201600999XA (ja) |
WO (1) | WO2015021545A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2022003249A (ja) * | 2020-06-23 | 2022-01-11 | 三菱重工業株式会社 | 推進薬の製造方法および推進薬製造装置 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US10843979B2 (en) | 2013-08-16 | 2020-11-24 | General Dynamics Ordnance and Tactical Systems—Canada Valleyfield Inc. | Method of manufacturing multi-layered propellant grains |
US10731604B2 (en) * | 2015-08-13 | 2020-08-04 | Aerojet Rocketdyne, Inc. | Rocket motor with concentric propellant structures for shock mitigation |
EP3222961A1 (en) * | 2016-03-22 | 2017-09-27 | Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO | Propellant charge or grain |
US10252954B1 (en) | 2016-05-17 | 2019-04-09 | The United States Of America As Represented By The Secretary Of The Army | Multi-layered stable propellant composition |
CN107162864B (zh) * | 2017-04-25 | 2018-10-16 | 西北工业大学 | 一种固液混合发动机燃料药柱与点火药一体制备工艺方法 |
EP3444234A1 (en) * | 2017-08-18 | 2019-02-20 | Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO | Co-layered propellant charge |
EP3705465A1 (en) | 2019-03-08 | 2020-09-09 | Nederlandse Organisatie voor toegepast- natuurwetenschappelijk Onderzoek TNO | Improved printing of energetic materials |
US20230107457A1 (en) * | 2021-09-27 | 2023-04-06 | General Dynamics Ordnance and Tactical System - Canada of Valleyfield Inc. | Combustible containers manufactured using reactive injection molding of azido polymers |
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2014
- 2014-01-28 US US14/166,622 patent/US10843979B2/en active Active
- 2014-08-08 EP EP14836679.2A patent/EP3033585B1/en active Active
- 2014-08-08 CA CA2920690A patent/CA2920690C/en active Active
- 2014-08-08 KR KR1020167006939A patent/KR102219278B1/ko active IP Right Grant
- 2014-08-08 BR BR112016003232-2A patent/BR112016003232B1/pt active IP Right Grant
- 2014-08-08 WO PCT/CA2014/050755 patent/WO2015021545A1/en active Application Filing
- 2014-08-08 JP JP2016533759A patent/JP6524083B2/ja active Active
- 2014-08-08 ES ES14836679T patent/ES2792274T3/es active Active
- 2014-08-08 AU AU2014306330A patent/AU2014306330B2/en active Active
- 2014-08-08 SG SG11201600999XA patent/SG11201600999XA/en unknown
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2016
- 2016-02-14 IL IL244125A patent/IL244125B/en active IP Right Grant
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GB2384207A (en) * | 1989-04-18 | 2003-07-23 | Royal Ordnance Plc | Production of energetic materials |
CA2075738C (en) * | 1991-08-15 | 2002-02-26 | Alfred M. Osborne | Co-extruded shock tube |
US5690868A (en) * | 1993-01-19 | 1997-11-25 | The United States Of America As Represented By The Secretary Of The Army | Multi-layer high energy propellants |
US6562276B1 (en) * | 1998-08-20 | 2003-05-13 | Eastman Chemical Company | Process for forming a multilayer, coinjected article |
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IL244125B (en) | 2020-10-29 |
IL244125A0 (en) | 2016-04-21 |
SG11201600999XA (en) | 2016-03-30 |
KR102219278B1 (ko) | 2021-02-24 |
JP6524083B2 (ja) | 2019-06-05 |
BR112016003232B1 (pt) | 2021-02-17 |
EP3033585B1 (en) | 2020-04-15 |
BR112016003232A2 (pt) | 2020-07-07 |
EP3033585A1 (en) | 2016-06-22 |
WO2015021545A1 (en) | 2015-02-19 |
US20150284301A1 (en) | 2015-10-08 |
US10843979B2 (en) | 2020-11-24 |
ES2792274T3 (es) | 2020-11-10 |
EP3033585A4 (en) | 2017-04-19 |
AU2014306330A1 (en) | 2016-02-11 |
KR20160051787A (ko) | 2016-05-11 |
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AU2014306330B2 (en) | 2017-09-28 |
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