KR20220097055A - A cartridge included olefin - Google Patents

A cartridge included olefin Download PDF

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Publication number
KR20220097055A
KR20220097055A KR1020200190030A KR20200190030A KR20220097055A KR 20220097055 A KR20220097055 A KR 20220097055A KR 1020200190030 A KR1020200190030 A KR 1020200190030A KR 20200190030 A KR20200190030 A KR 20200190030A KR 20220097055 A KR20220097055 A KR 20220097055A
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South Korea
Prior art keywords
kraft paper
connecting member
paper
cartridge
olefin
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KR1020200190030A
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Korean (ko)
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장주현
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주식회사 수원지관산업
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Priority to KR1020200190030A priority Critical patent/KR20220097055A/en
Publication of KR20220097055A publication Critical patent/KR20220097055A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B39/00—Packaging or storage of ammunition or explosive charges; Safety features thereof; Cartridge belts or bags
    • F42B39/26—Packages or containers for a plurality of ammunition, e.g. cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/12—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B39/00—Packaging or storage of ammunition or explosive charges; Safety features thereof; Cartridge belts or bags
    • F42B39/14—Explosion or fire protection arrangements on packages or ammunition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/028—Paper layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Wrappers (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)

Abstract

Disclosed is a cartridge, which can be provided as a round case made of paper for protecting mortar shells such as military ammunition of 60 mm, 81 mm and 120 mm, is more excellent than an existing round case made of paper in terms of enhanced water resistance, an anti-static property, a raised spontaneous ignition point, enhanced compression properties and extended shelf life, is environmentally friendly, and conforms to a national defense standard form presented by the Ministry of National Defense. To achieve the purpose, according to a desirable embodiment of the present invention, the cartridge of the present invention, which is composed of 15 layers, comprises: a first kraft paper; a first connecting member; a second kraft paper; a second connecting member; a third kraft paper; a third connecting member; a fourth kraft paper in which an olefin-based material is melted between two sheets of kraft paper; a fourth connecting member; first aluminum foil; a fifth connecting member; a fifth kraft paper in which an olefin-based material is melted between two sheets of kraft paper; a sixth connecting member; second aluminum foil; a seventh connecting member; and a sixth kraft paper or a silicone-coated paper coated with an olefin-based material on one sheet of kraft paper, which are stacked in order from the inside to the outside.

Description

올레핀계 소재를 이용한 탄약통 {A CARTRIDGE INCLUDED OLEFIN}Ammunition box using olefinic material {A CARTRIDGE INCLUDED OLEFIN}

본 발명은 올레핀계 소재로 구성되어 압축 강도가 강화되고 발화점온도가 상승되며, 탄약의 물리적 충격과 열적 충격에 안전도를 상승시키며, 친환경적이기까지 한 탄약통에 관한 것으로, 더욱 상세하게는 종래의 탄약통인 지관통에 사용되던 아스팔트 또는 파라핀 함침지를 사용하지 않더라도, 내용물의 중량에 따른 내구성을 겸비하면서 특수작전지역인 해상 및 습지에서도 방습 및 방수기능을 수행하여 탄약의 부식을 방지하면서 내용물을 보관할 수 있도록 하면서도, 적지에 탄약 보급이 곤란할 경우 해상 및 공중 보급에 적합하도록 가볍고 강한 재질로 구성하고, 화재방지를 위한 정전기방지 기능을 채용하며, 내연성이 강화되고, 제조원가가 저렴하고 환경오염을 예방하며 탄약통의 재활용이 가능하도록 함으로써 친환경적으로 구성된 탄약통에 관한 것이다. The present invention relates to a cartridge that is made of an olefin-based material to enhance compressive strength, increase the ignition point temperature, increase safety against physical and thermal shocks of ammunition, and even be eco-friendly, and more particularly, to a conventional cartridge Even if asphalt or paraffin-impregnated paper used for paper penetration is not used, it has durability according to the weight of the contents and performs moisture-proof and waterproof functions even in the sea and wetlands, which are special operation areas, so that the contents can be stored while preventing the corrosion of ammunition. , when it is difficult to supply ammunition to the enemy, it is made of light and strong materials suitable for sea and air supply, adopts anti-static function to prevent fire, has enhanced flame resistance, low manufacturing cost, prevents environmental pollution, and recycles ammunition containers By making this possible, it relates to an environmentally friendly cartridge.

내용물의 성능을 유지하면서 장기간 내용물을 보관하기 위한 방법으로 종래에는 목재 재질의 보관용기를 사용하다가, 성능과 보관의 취약성으로 인하여 종이를 여러겹으로 중첩하여 만드는 지관통이 사용되고 있다. 지관통에는 다양한 내용물이 수납되어 보관될 수 있지만, 특히 탄약 및 포탄을 보관하기 위한 탄약보관용 지환통은 다른 어떤 보관용기보다도 탄약의 부식을 방지할 수 있는 성능이 요구된다. As a method for storing the contents for a long period of time while maintaining the performance of the contents, conventionally, a wooden storage container is used. A variety of contents can be stored and stored in the paper tube, but in particular, the paper tube for storing ammunition for storing ammunition and shells requires performance to prevent corrosion of ammunition more than any other storage container.

지관통은 원지 및 특수한 처리과정을 거친 재료를 중첩하여 만들며, 지관통 내부에 포탄을 수용할 수 있는 보관실과 그 상부를 덮을 수 있는 덮개구조로 이루어진다. 지관의 내피 및 외피가 모두 종이 재질을 바탕으로 한 요소로 이루어지기 때문에 종이의 종류와 그에 따른 두께 및 무게, 종이 코팅 방식의 상이성, 그의 적체 순서에 따른 방수·방습 및 발수처리 효과, 종이의 종류에 대응하는 접착제의 선택이 지관통의 내구성과 기능을 결정하는데 중요한 역할을 한다. The paper tube is made by overlapping raw paper and materials that have undergone a special treatment process, and it consists of a storage room that can accommodate shells inside the paper tube and a cover structure that can cover the upper part. Since both the inner and outer shells of the paper tube are made of paper-based elements, the type of paper and its thickness and weight, the difference in paper coating method, the waterproof, moisture-proof and water-repellent treatment effect according to the stacking order, and the The choice of adhesive corresponding to the type plays an important role in determining the durability and function of the paper tube.

이러한 역할을 수행하기 위하여 공개특허 10-2010-0045958에서는 외피에 해당하는 종이에 아스팔트를 함침시켜 방수 및 방습효과를 높이고자 하였으나, 이는 친환경적이지 못한 한계가 있으며, 등록특허 10-1282484에서는 친환경적인 지관통을 개시함을 발명의 목적으로 하면서 파라핀왁스로 함침시키는 지관통 및 폴리비닐아세테이트 접착제를 사용하는 기술적 사상을 청구하고 있으나, 핵심구성인 파라핀 및 폴리비닐아세테이트 접착제는 친환경물질이 아님은 너무나 자명하다. 더구나 파라핀왁스로 종이를 코팅할 경우에는 파라핀의 특성상 종이 위에 코팅된 파라핀 왁스에 크랙이 생겨 방수력 및 방습력을 저하시키는 문제가 발생하며, 파라핀 코팅으로 인하여 크랙이 생기기 때문에 등록특허 10-1282484의 공보상의 방법처럼 로빈으로 롤링하여 제작하는 방법은 현실적으로 수행 불가능한 문제점이 있다. 또한 이러한 유해물질로 구성된 지관통은 인체에 유해한 성분들로 이루어져 있기 때문에 작업자 및 사용자가 유해물질에 노출되는 위험성이 있으며, 폐기 시에도 환경오염을 발생시키고, 폐기처리비용을 증대시키는 문제점이 있다. 또한, 철재로 이루어진 탄약통의 경우에는 제조원가가 고가라는 문제로 대량생산에 적합하지 않을 뿐만 아니라, 무게가 무겁기 때문에 운송상 어려움과 사용상 불편함을 야기하여 전시 및 훈련시에 적합하지 않은 문제점이 있다. 미래 탄약의 안전화로 고성능 둔감에 적합한 지환 통도 친환경, 둔감 탄약에 적합한 소재 개발과 소재에 적합한 제조 공정으로 지환 통 개발이 요구되고 있다. In order to perform this role, in Patent Publication 10-2010-0045958, the paper corresponding to the outer skin was impregnated with asphalt to increase the waterproof and moisture-proof effect, but this has a limit that is not eco-friendly. Although the technical idea of using a polyvinyl acetate adhesive and a paper penetrator impregnated with paraffin wax for the purpose of the invention to initiate penetration is claimed, it is very self-evident that paraffin and polyvinyl acetate adhesive, which are core components, are not eco-friendly materials. . Moreover, when the paper is coated with paraffin wax, cracks occur in the paraffin wax coated on the paper due to the characteristics of paraffin, thereby reducing waterproofing and moisture-proofing power. As in the above method, the method of rolling and manufacturing with a robin has a problem that cannot be performed realistically. In addition, since the paper tube composed of these harmful substances is made of components harmful to the human body, there is a risk that workers and users are exposed to harmful substances, and there is a problem of generating environmental pollution during disposal and increasing the disposal cost. In addition, in the case of an ammunition box made of iron, it is not suitable for mass production due to the high manufacturing cost, but also has a problem in that it is not suitable for display and training because it causes transportation difficulties and inconvenience in use because of its heavy weight. Jihwan barrels suitable for high-performance insensitivity as safety boots for future ammunition There is a demand for the development of materials suitable for eco-friendly and insensitive ammunition and the development of Jihwan barrels with a manufacturing process suitable for the materials.

이에 본 발명은 국방부가 제시한 국방규격형태 및 탄약분야 군사요구도(ROC)에 부합하면서도, 탄약통의 물성이 강화되고 자연 발화점 온도 상승이 가능하며, 제조기술 및 공정 개선으로 제조원가도 절감하고, 친환경적인 신소재를 활용한 신개념 탄약통을 개시하고자 한다. 본 탄약통은 미래의 탄약에 적용하여 각종 탄약 취약성 평가에서 탄약의 안전화 증대로 국방력강화 및 수출경쟁력도 높여 주고, 방산의 국제시장 확대에 기여하며, 군 탄약 안전화와 전력증강사업에 크게 기여하고자 한다. 또한 민수 산업계에서도 친환경적이고 실용적인 구조로서 쇼핑백, 우유 팩, 음식 용기, 고급 포장계 등에 본 발명의 활용이 기대된다. Accordingly, the present invention meets the Defense Standard Form and the Military Requirement Chart (ROC) in the field of ammunition suggested by the Ministry of National Defense, while enhancing the physical properties of the cartridge and increasing the spontaneous ignition point temperature. We would like to start a new concept ammunition box using new materials. This cartridge will be applied to future ammunition to strengthen national defense and export competitiveness by increasing the safety of ammunition in the evaluation of various ammunition vulnerabilities, contributing to the expansion of the international market for defense, and greatly contributing to the safety of military ammunition and power enhancement projects. In addition, as an eco-friendly and practical structure in the civil industry, the application of the present invention is expected in shopping bags, milk packs, food containers, and high-end packaging systems.

탄약의 야적시 장기간 보관되는 탄약은 공기 중의 수분으로 인하여 탄약의 부식 및 불발의 불량품이 발생하는 확률이 높아지므로, 탄약 및 포탄을 보관하는 탄약통은 방수 및 방습기능을 구비해야 할 뿐만 아니라, 그 위험성으로 인하여 일정 강도를 지닌 내구성도 요구된다.When ammunition is stored for a long period of time, there is a high probability that the ammunition will be corroded or defective due to moisture in the air. Therefore, durability with a certain strength is also required.

본 발명의 제1 목적은 내구성이 뛰어나면서 방수 및 방습기능 뿐만 아니라 내연성 및 정전기 방지가 가능한 탄약통을 제공하는 것이며, 이러한 기능을 수행하는 탄약통이 친환경적인 구성요소로 이루어짐에 따라서 재활용이 가능한 탄약통을 제공하는 것이다. 이러한 목적을 수행하기 위한 탄약통을 제공하기 위하여 선택되어진 재질 성분 및 그 함량이 개시된다.A first object of the present invention is to provide a cartridge that has excellent durability and is waterproof and moisture-proof as well as flame-retardant and anti-static, and as the cartridge performing these functions is made of eco-friendly components, it is possible to provide a cartridge that can be recycled. will do A material component and its content selected to provide a cartridge for carrying out this purpose are disclosed.

본 발명의 제2 목적은 재료 및 함량에 따른 탄약통의 재질이 내구성을 결정하는데 중요한 역할을 하므로, 해상, 사막, 우천 등의 악조건에서도 사용가능하도록 내구성이 강화된 탄약통을 개시하는데 있다. A second object of the present invention is to disclose a cartridge with enhanced durability so that the material of the cartridge according to the material and content plays an important role in determining the durability, so that it can be used in adverse conditions such as sea, desert, and rain.

본 발명의 제3 목적은 무게감을 줄이는 재질 구성으로 인하여 탄약투하지역으로 공중 운송 및 보급이 가능한 탄약통을 제공하는 것이다.A third object of the present invention is to provide an ammunition box capable of air transport and supply to an ammunition dispensing area due to a material configuration that reduces a feeling of weight.

본 발명의 제4 목적은 대량생산에 적합하도록 제조원가가 저렴하여 제품경쟁력이 있을 뿐만 아니라, 사용 후 재활용이 가능하여 종래의 탄약통보다 환경 친화적인 탄약통을 제공하는 것이다. A fourth object of the present invention is to provide a cartridge that is more environmentally friendly than a conventional cartridge because it can be recycled after use as well as has product competitiveness because of its low manufacturing cost to be suitable for mass production.

어떠한 재질을 어떠한 함량으로 구성하느냐에 따라서 다양한 탄약통이 생성되므로, 본 발명을 통하여 내구성, 내연성, 절연성 뿐만 아니라 방수 및 방습기능이 뛰어나고, 탄약통의 무게를 감쇄시켜 운반 및 사용이 용이하면서도, 제조원가가 저렴하여 가격경쟁력이 있으며, 재활용이 가능한 친환경적인 탄약통을 제공하고자 한다. Since various cartridges are created depending on what material is composed of what content, through the present invention, durability, flame resistance, insulation, as well as waterproof and moisture-proof functions are excellent, and the weight of the cartridge is reduced to facilitate transportation and use, and the manufacturing cost is low. We want to provide an eco-friendly, recyclable cartridge that has competitive prices.

상기 목적을 달성하기 위해서 본 발명의 바람직한 일 실시 예에 따르면, 본 발명인 탄약통은 15층으로 구성된 탄약통에 있어서, 제1 크라프트지; 제1 연결재; 제2 크라프트지; 제2 연결재; 제3 크라프트지; 제3 연결재; 두 장의 크라프트지 사이에 올레핀계 소재를 용융한 제4 크라프트지; 제4 연결재; 제1 알루미늄호일; 제5 연결재; 두 장의 크라프트지 사이에 올레핀계 소재를 용융한 제5 크라프트지; 제6 연결재; 제2 알루미늄호일; 제7 연결재; 및 한 장의 크라프트지에 올레핀계 소재를 코팅한 제6 크라프트지 또는 실리콘 코팅지의 순서로 내부로부터 외부로 적층된다. According to a preferred embodiment of the present invention in order to achieve the above object, in the cartridge of the present invention, the cartridge is composed of 15 layers, the first kraft paper; a first connecting member; a second kraft paper; a second connecting member; 3rd Kraft Paper; a third connecting member; a fourth kraft paper in which an olefin-based material is melted between two sheets of kraft paper; a fourth connecting member; first aluminum foil; a fifth connecting member; a fifth kraft paper in which an olefin-based material is melted between two sheets of kraft paper; a sixth connecting member; a second aluminum foil; a seventh connecting member; and a sixth kraft paper or silicone-coated paper coated with an olefin-based material on one sheet of kraft paper, in order from the inside to the outside.

본 발명의 다른 실시 예에 따르면, 본 발명인 탄약통의 제4 및 제5 크라프트지는 올레핀계 소재가 10 ~ 100g/m2평량으로 크라프트지에 적층된다.According to another embodiment of the present invention, the fourth and fifth kraft paper of the cartridge of the present invention is an olefinic material is laminated on the kraft paper at a basis weight of 10 ~ 100g / m 2 .

본 발명의 또 다른 실시 예에 따르면, 본 발명인 탄약통의 제6 크라프트지는 올레핀계 소재가 0.20 ~ 2.00 g/m2평량으로 크라프트지에 적층된다. According to another embodiment of the present invention, the sixth kraft paper of the cartridge of the present invention is an olefinic material is laminated on the kraft paper at 0.20 ~ 2.00 g / m 2 basis weight.

상술한 구성을 통해서, 본 발명인 탄약통은 군 탄약 60mm, 81mm, 120mm 등의 박격포탄을 보호할 지환통으로 제공될 수 있으며, 내수성 강화, 정전기 방지, 자연 발화점 상승, 압축 물성 강화, 저장 수명 연장의 특성에서 기존의 지환통보다 우수하면서도 친환경적이며, 국방부가 제시하는 국방규격 형태에도 부합하는 구성을 개시한다. 본 발명은 올레핀계 소재 중에서 LDPE, LLDPE HDPE EVA를 사용할 수 있으며, 바람직하게는 폴리에틸렌으로 적층한 복합 재료를 적용하여 탄약통에 적용할 수 있으며, 이러한 구성으로 인하여 350 oC 에서 400 oC 상승의 자연발화점 온도 상승의 이점과 탄약의 열에 의한 충격 및 물리적 충격의 안전도 상승에 크게 기여할 것이다. Through the above-described configuration, the cartridge of the present invention can be provided as a jihwan barrel to protect mortar shells such as 60mm, 81mm, and 120mm of military ammunition, and the characteristics of water resistance enhancement, antistatic, spontaneous ignition point increase, compression property enhancement, shelf life extension Initiates a configuration that is superior to the existing Jihwantong, is more eco-friendly, and conforms to the defense standards presented by the Ministry of National Defense. In the present invention, LDPE , LLDPE , HDPE EVA can be used among olefinic materials, and it is preferably applied to a cartridge by applying a composite material laminated with polyethylene. It will greatly contribute to the increase of the ignition point temperature and the safety of the ammunition from thermal shock and physical shock.

탄약과 같은 위험물을 보관함에 있어서, 내용물의 부식을 방지할 뿐만 아니라 무게가 나가는 내용물도 장기간 보관이 가능한 내구성을 겸비하면서도 내연성, 절연성, 방수성 및 안정성이 증대된 탄약통을 제공한다.In storing dangerous materials such as ammunition, it provides an ammunition box with increased flame resistance, insulation, waterproofness and stability while not only preventing corrosion of the contents, but also having the durability to store heavy contents for a long period of time.

상술한 탄약통으로 활용되기 위해서는 탄약통을 구성하는 재질의 종류 및 그 함량이 중요한 역할을 하므로, 본 발명에서 개시하는 재료 및 함량을 통하여 탄약을 안전하게 보관하면서도 친환경적으로 재활용할 수 있는 탄약통을 제공할 수 있다.In order to be used as the cartridge described above, since the type and content of the material constituting the cartridge plays an important role, through the material and content disclosed in the present invention, it is possible to provide a cartridge that can be safely stored and recycled in an environmentally friendly manner. .

본 발명에서 사용된 재질은 가벼워서 운송이 용이하므로 탄약의 공중보급이 가능할 뿐만 아니라, 사막 또는 습지와 같은 사용 환경 상의 악조건에서도 내구성을 유지할 수 있어서 탄약의 보관에 적합할 뿐만 아니라, 제조원가가 저렴하여 제품경쟁력이 있으며, 재활용이 가능하여 친환경적인 강점이 있다.Since the material used in the present invention is light and easy to transport, not only can the air supply of ammunition be possible, but also it can maintain durability in adverse conditions of use environment such as deserts or wetlands, so it is suitable for storage of ammunition, and the manufacturing cost is low. It is competitive and has the advantage of being eco-friendly because it can be recycled.

도 1은 본 발명인 탄약통을 이루는 조직의 구성도이다.1 is a configuration diagram of the organization constituting the cartridge of the present invention.

도 1을 참고하여 본 발명의 바람직한 일 실시 예를 설명하면, 본 발명인 탄약통은 다음과 같은 순서와 재질로 구성되어 적층된다. 총 15층으로 구성되며, 탄약통의 내부로부터 다음과 같은 순서로 형성된다. 첫번째로 제1 크라프트지(A), 두번째로 제1 연결재(D), 상기 제1 연결재는 제1 크라프트지와 제2 크라프트지를 접착시키는 역할을 수행하며, 본 발명에 의한 연결재는 크라프트지와 접착 양립성이 양호한 폴리머 접착제가 사용된다. 세 번째로 제2 크라프트지(A), 네 번째로 제2 연결재(D)가 사용되며 제2 크라프트지와 제3 크라프트지를 접착하는 역할을 수행한다. 다섯번째로 제3 크라프트지(A), 여섯번째로 제3 연결재(D), 일곱번째로 제4 크라프트지(B)가 적층되는데, 제4 크라프트지(B)는 두 장의 크라프트지 사이에 올레핀계 소재를 용융하여 제작한다. 올레핀계 소재는 LDPE(LOW DESITY POLYETHYLENE), LLDPE(LINEAR LOW DESITY POLYETHYLENE), HDPE(HIGH DENITY POLYETHYLENE), EVA(ETHYLENE VINYL ACETATE COPOLYMER) 중에서 선택된 어느 하나를 사용할 수 있고, 바람직하게는 폴리에틸렌을 사용하며, 제4 및 제5 크라프트지의 제작시 크라프트지에 도포되는 폴리에틸렌 량은 10 ~ 100g/m2평량으로 크라프트지 위에 적층한다. 즉, 저분자 폴리에틸렌을 160℃~240℃에서 용융하여, 사출기에서 크라프트지에 10~50㎛의 두께가 되도록 적층한다. 크라프트지에 폴리에틸렌을 적층시키면 크라프트지 원지와 긴밀하게 작용하여 수분에 대한 내수성이 증대되어 종래의 크라프트지로 제조한 제품들보다 성능이 강화된다. 여덟번째로 제4 연결재(D), 아홉번째로 제1 알루미늄호일(E), 열번째로 제5 연결재(D), 열한번째로 두 장의 크라프트지 사이에 올레핀계 소재를 용융한 제5 크라프트지(B)를 적층하며, 제5 크라프트지의 구성은 상술한 제4 크라프트지의 구성과 동일하다. 열두번째로 제6 연결재(D), 열세번째로 제2 알루미늄호일(E), 열네번째로 제7 연결재(D) 및 열다섯번째로 한 장의 크라프트지에 올레핀계 소재를 코팅한 제6 크라프트지(C) 또는 난연제 실리콘 코팅지(C)의 순서로 적층되며, 올레핀계 소재를 코팅한 제6 크라프트지는 올레핀계 ㅅ소재를 20 ~ 2.00 g/m2평량으로 크라프트지 위에 적층한 것을 사용한다. When a preferred embodiment of the present invention will be described with reference to FIG. 1 , the cartridge of the present invention is configured and stacked in the following order and material. It consists of a total of 15 layers, and is formed in the following order from the inside of the cartridge. First, the first kraft paper (A), secondly the first connecting material (D), the first connecting material serves to bond the first kraft paper and the second kraft paper, and the connecting material according to the present invention adheres to the kraft paper A polymer adhesive with good compatibility is used. Thirdly, the second kraft paper (A), and fourthly, the second connecting material (D) is used, and serves to bond the second kraft paper and the third kraft paper. The third kraft paper (A) is the fifth, the third connecting material (D), the seventh, the fourth kraft paper (B) is laminated, and the fourth kraft paper (B) is an olefin between two sheets of kraft paper. It is produced by melting the system material. The olefinic material may be any one selected from LDPE (LOW DESITY POLYETHYLENE), LLDPE (LINEAR LOW DESITY POLYETHYLENE), HDPE (HIGH DENITY POLYETHYLENE), EVA (ETHYLENE VINYL ACETATE COPOLYMER), and preferably polyethylene, The amount of polyethylene applied to the kraft paper during the manufacture of the fourth and fifth kraft paper is 10 to 100 g/m 2 by basis weight and is laminated on the kraft paper. That is, low molecular weight polyethylene is melted at 160°C to 240°C, and laminated to a thickness of 10-50 µm on kraft paper in an injection machine. When polyethylene is laminated on kraft paper, it works closely with the kraft paper base to increase water resistance to moisture, and thus the performance is strengthened compared to products made from conventional kraft paper. Eighth, the fourth connecting material (D), the ninth the first aluminum foil (E), the tenth the fifth connecting material (D), the eleventh is the fifth kraft paper in which the olefinic material is melted between two sheets of kraft paper ( B) is laminated, and the configuration of the fifth kraft paper is the same as that of the fourth kraft paper described above. The twelfth is the sixth connecting material (D), the thirteenth is the second aluminum foil (E), the fourteenth is the seventh connecting material (D), and the fifteenth is the sixth kraft paper coated with an olefinic material ( C) or flame retardant It is laminated in the order of silicone coated paper (C), and the sixth kraft paper coated with an olefin-based material is used in which the olefin-based material is laminated on the kraft paper at a basis weight of 20 ~ 2.00 g/m 2 .

상술한 구성요소를 채용한 탄약통은 상술한 구성요소들의 화학적 특성을 이용하여 형성한 것으로서 이러한 구성요소간의 결합으로 인하여 탄약통의 투습도, 기계적 물성, 자연발화점, 관통시험, 저장 수명이 증대되는 효과가 있다. 이러한 효과는 하기의 표에 의하여 설명된다. The cartridge employing the above components is formed using the chemical properties of the above components, and due to the combination between these components, the moisture permeability, mechanical properties, spontaneous ignition point, penetration test, and shelf life of the cartridge are increased. . These effects are illustrated by the table below.

평가항목Evaluation items 단위unit 종래 기술prior art 본원발명the present invention 투습도moisture permeability g/dayg/day 0.1g/day0.1g/day 0.1g/day 이하0.1 g/day or less 자연 발화점spontaneous flash point ℃℃ 350℃350℃ 400℃400℃ 관통 시험penetration test 무반응(발화)No reaction (fire) 발화없음no ignition 발화없음no ignition 저장 수명shelf life 년year 30년30 years 30년 이상more than 30 years

앞서 설명한 본 발명을 실시하기 위한 구체적인 내용에는 본 발명의 바람직한 실시 예를 참조하여 설명하였지만, 해당 기술 분야의 당업자라면 후술 될 특허청구범위에 기재된 발명의 사상 및 기술 영역으로부터 벗어나지 않는 범위 내에서 본 발명을 다양하게 수정 및 변형시킬 수 있음을 이해할 수 있을 것이다. Although the specific content for carrying out the present invention described above has been described with reference to a preferred embodiment of the present invention, those skilled in the art will present the present invention within the scope not departing from the spirit and scope of the invention described in the claims to be described later. It will be understood that various modifications and variations are possible.

Claims (3)

15층으로 구성된 탄약통에 있어서,
제1 크라프트지;
제1 연결재;
제2 크라프트지;
제2 연결재;
제3 크라프트지;
제3 연결재;
두 장의 크라프트지 사이에 올레핀계 소재를 용융한 제4 크라프트지;
제4 연결재;
제1 알루미늄호일;
제5 연결재;
두 장의 크라프트지 사이에 올레핀계 소재를 용융한 제5 크라프트지;
제6 연결재;
제2 알루미늄호일;
제7 연결재; 및
한 장의 크라프트지에 올레핀계 소재를 코팅한 제6 크라프트지 또는 실리콘 코팅지의 순서로 내부로부터 외부로 적층되는 것을 특징으로 하는 올레핀계 소재를 이용한 탄약통.In the ammunition box consisting of 15 layers,
first kraft paper;
a first connecting member;
a second kraft paper;
a second connecting member;
3rd Kraft Paper;
a third connecting member;
a fourth kraft paper in which an olefin-based material is melted between two sheets of kraft paper;
a fourth connecting member;
first aluminum foil;
a fifth connecting member;
a fifth kraft paper in which an olefin-based material is melted between two sheets of kraft paper;
a sixth connecting member;
a second aluminum foil;
a seventh connecting member; and
A cartridge using an olefinic material, characterized in that it is laminated from the inside to the outside in the order of the sixth kraft paper or silicone coated paper coated with the olefinic material on one sheet of kraft paper. 제1항에 있어서, 상기 제4 및 제5 크라프트지는 올레핀계 소재가 10 ~ 100g/m2평량으로 크라프트지에 적층되는 것을 특징으로 하는 올레핀계 소재를 이용한 탄약통.According to claim 1, wherein the fourth and fifth kraft paper olefin-based material 10 ~ 100g / m 2 Ammunition box using an olefin-based material, characterized in that the kraft paper is laminated in a basis weight. 제1항에 있어서, 상기 제6 크라프트지는 올레핀계 소재가 0.20 ~ 2.00 g/m2평량으로 크라프트지에 적층되는 것을 특징으로 하는 올레핀계 소재를 이용한 탄약통.











According to claim 1, wherein the sixth kraft paper olefin-based material is 0.20 ~ 2.00 g / m 2 Ammunition box using an olefin-based material, characterized in that the kraft paper is laminated at a basis weight.
KR1020200190030A 2020-12-31 2020-12-31 A cartridge included olefin KR20220097055A (en)

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