KR20000022330A - Formable sandwich construction material and use of the material as construction material in vehicles, refrigerators, boats, etc. - Google Patents
Formable sandwich construction material and use of the material as construction material in vehicles, refrigerators, boats, etc. Download PDFInfo
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- KR20000022330A KR20000022330A KR1019980710753A KR19980710753A KR20000022330A KR 20000022330 A KR20000022330 A KR 20000022330A KR 1019980710753 A KR1019980710753 A KR 1019980710753A KR 19980710753 A KR19980710753 A KR 19980710753A KR 20000022330 A KR20000022330 A KR 20000022330A
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- fibers
- sandwich structure
- plates
- plate
- formable
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Classifications
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- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
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- 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
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/16—Flocking otherwise than by spraying
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- 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
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
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- 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
- B32B15/043—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 metal
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- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
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- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/06—Coating on the layer surface on metal 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
- B32B2255/00—Coating on the layer surface
- B32B2255/20—Inorganic coating
- B32B2255/205—Metallic coating
-
- 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
- B32B2509/00—Household appliances
- B32B2509/10—Refrigerators or refrigerating equipment
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- 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
- B32B2605/00—Vehicles
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12444—Embodying fibers interengaged or between layers [e.g., paper, etc.]
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23907—Pile or nap type surface or component
- Y10T428/23943—Flock surface
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Laminated Bodies (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
많은 수의 여러 형태의 샌드위치 물질은 알려져 있다. 이들은 전형적으로 보다 연한 종류의 물질이 이들 사이에 배열되어 있는 두 시이트 또는 판으로 구성되어 있다. 두 시이트 또는 판은 동일하거나 다른 물질로 할 수 있으며 이들 사이의 물질은 균일물이거나 혼합물일 수 있다. 종종 샌드위치 물질은 이들의 무게에 비해서 단단하고 튼튼하여 이들은 특히 빌딩 물질, 팩킹 물질 등과 같은 것에 사용된다.A large number of different types of sandwich materials are known. They typically consist of two sheets or plates with softer materials arranged between them. The two sheets or plates may be of the same or different material and the material between them may be homogeneous or a mixture. Often sandwich materials are hard and durable relative to their weight so they are used in particular for building materials, packing materials and the like.
샌드위치 물질의 특정 형태는 EP 0333685에 기술되어 있다. 이들 물질에서, 전기 전도성인 스틸, 알루미늄과 같은 판이 외부 물질로서 사용되고, 반면 이들 사이의 물질은 플록킹(flocking)으로서 알려진 정전기 증착에 의해 배열되어 있는 섬유로 이루어진다. 플록킹이 이루어지기 전에, 섬유는 1mm정도의 크기를 가진 적당한 길이로 절단되어 전기장으로 들어가므로 전하를 띠게 되고 적합하게 접지되어 있는 판에 의해 당겨진다. 접지된 판상에, 바인더가 가해지고 정전기장을 통해 신속히 판에 당겨지는 섬유가 직립위치에 놓이고 바인더로 고정된다. 바인더는 최종적으로 경화되고 섬유를 이루는 벨벳형 표면은 깨끗이 되고 이들의 섬유는 고정되어 있지 않다. 이 특허에 따라서, 두 판은 섬유 플록으로 덮이고 서로에 대해서 가압될 수 있으므로 섬유는 이들 사이로 침투한다. 이판을 서로 부착하기 위해서, 아교 스트립 또는 패치(patch)가 약간의 플록된 표면상에 가해질 수 있다. 그러나, 이 특허에 따라서, 단지 하나의 판이 플록화될 수 있으며, 그 결과로 샌드위치 물질을 서로 유지하기 위해서 다른 판상에 바인더의 필름을 가할 필요가 없다.Specific forms of the sandwich material are described in EP 0333685. In these materials, a plate such as steel, aluminum, which is electrically conductive, is used as the external material, while the material between them consists of fibers arranged by electrostatic deposition known as flocking. Before flocking, the fibers are cut into suitable lengths, on the order of 1 mm, into the electric field and are drawn by a charged and properly grounded plate. On the grounded plate, a binder is applied and the fibers which are quickly drawn to the plate through the electrostatic field are placed in an upright position and fixed with a binder. The binder is finally cured and the velvety surfaces that make up the fiber are clean and their fibers are not fixed. According to this patent, the two plates are covered with fiber flock and can be pressed against each other so that the fibers penetrate between them. To attach the backings to each other, a glue strip or patch may be applied on some flocked surface. However, according to this patent, only one plate can be flocculated, as a result of which it is not necessary to add a film of binder on another plate to hold the sandwich materials together.
이 샌드위치 물질은 알루미늄, 스틸 등과 같은 전기 전도성 판 또는 이와 달리 플라스틱 시이트와 같은 전기 비전도성 물질로 구성될 수 있다. 그러나, 중간 플록은 나일론 섬유와 같은 전기 비전도성 재료로 이루어진다.This sandwich material may be composed of an electrically conductive plate such as aluminum, steel or the like or alternatively an electrically nonconductive material such as a plastic sheet. However, the intermediate floc consists of an electrically nonconductive material such as nylon fiber.
이 층상 또는 샌드위치 재료는 파단없이 여러 방법으로 형성될 수 있다. 물질은 두께에 비해서 상당히 가벼우며 큰 기계적 강도를 가진다.This layered or sandwich material can be formed in several ways without breaking. The material is considerably lighter for its thickness and has greater mechanical strength.
본 발명은 적어도 두 개의 판을 포함하며, 그 중 하나가 제 2 판과 직면하는 표면상에 정전기 증착에 의한 섬유 플록(flock)으로 덮여있는 종류의 형상가능한 샌드위치 구조물에 관한 것이다. 따라서, 구조물은 판들에 주로 수직으로 배열되어 있고 바인더에 의해서 각 판상에 고정되어 있는 중간 섬유를 가진 두 판으로 구성되어 있다.The present invention relates to a formable sandwich structure of the kind comprising at least two plates, one of which is covered with a fiber flock by electrostatic deposition on the surface facing the second plate. Thus, the structure consists of two plates with intermediate fibers arranged mainly perpendicular to the plates and fixed on each plate by a binder.
본 발명은 첨부의 도면과 연결해서 아래에 보다 상세히 설명하겠다.The invention will be described in more detail below in connection with the accompanying drawings.
도 1은 본 발명에 따른 형상가능한 샌드위치 물질의 단면도이다.1 is a cross-sectional view of a formable sandwich material according to the present invention.
기술적 문제Technical issues
상술 및 다른 종래의 샌드위치 물질은 많은 장점을 가지지만 그럼에도 불구하고 조성물의 대부분이 유기 물질로 이루어져 있어 오랜기간동안 특히 고온에 적합하지 않다는 단점을 가진다. 나일론 섬유 또는 다른 적합한 폴리머 섬유는 약 100℃에서 녹으며 그러므로 이 물질은 이들의 성질을 유지하기 위해서 대부분 저온에서 사용되어야 한다. 이것은 이 물질의 적용 범위를 제한한다. 예를 들면, 200 - 300℃의 온도에서 페인팅을 해야하는 자동차의 부품에는 사용될 수 없다. 종래 물질에서의 추가의 문제점은 이들이 여러 물질로 조성되어 있기 때문에 환경친화적이지 못하다는 것이다.The above and other conventional sandwich materials have a number of advantages but nevertheless have the disadvantage that most of the compositions are made of organic materials which are not particularly suitable for high temperatures for a long time. Nylon fibers or other suitable polymer fibers melt at about 100 ° C. and therefore these materials should be used mostly at low temperatures to maintain their properties. This limits the scope of application of this material. For example, it cannot be used for parts of automobiles that must be painted at temperatures of 200-300 ° C. A further problem with conventional materials is that they are not environmentally friendly because they are composed of several materials.
해결책solution
그러므로, 가볍고, 형상가능하고 강성과 탄성과 같은 적당한 기계적 성질을 가지고 무엇보다도 고온에서 견딜 수 있는 샌드위치 구조물을 만드는 것이 오랜 숙원이었다. 본 발명에 따라서, 적어도 두판, 그 중에서 적어도 한 판이 제 2 판과 직면하는 측면 또는 변경적으로 플록킹으로 알려진, 정전기 증착에 의해 양 측면상이 섬유로 덮여지는 형상가능한 샌드위치 물질에 있어서, 섬유가 대부분 금속 재료로 구성되어 있는 것을 특징으로 한다.Therefore, it has long been a desire to make sandwich structures that are lightweight, formable, and have adequate mechanical properties such as stiffness and elasticity and, above all, to withstand high temperatures. According to the present invention, in the formable sandwich material wherein at least two plates, at least one of which faces the second plate or alternatively known as flocking, are covered with the fiber on both sides by electrostatic deposition, the fibers are predominantly It is characterized by consisting of a metal material.
본 발명에 따라서, 적합하게 섬유는 스테인레스 스틸, 알루미늄 또는 다른 금속 또는 합금으로 이루어진다.According to the invention, the fibers suitably consist of stainless steel, aluminum or other metals or alloys.
샌드위치 물질내의 판은 본 발명에 따라서 섬유와 동일한 재료 또는 약간의 다른 금속 재료로 만들 수 있다.The plates in the sandwich material may be made of the same material as the fibers or some other metallic material according to the invention.
본 발명에 따라서, 적합하게 판과 섬유 양자내의 물질은 스테인레스 스틸로 이루어지고 판의 두께는 0.4 - 0.05mm사이이고 섬유의 길이는 1 - 3mm이고, 이들 두께는 8 - 30마이크로미터이다.According to the invention, suitably the material in both the plate and the fiber is made of stainless steel, the thickness of the plate is between 0.4-0.05 mm and the length of the fiber is 1-3 mm, and these thicknesses are 8-30 micrometers.
알루미늄 섬유의 두께는 30 - 50마이크로미터사이일 수 있다.The thickness of the aluminum fibers can be between 30-50 micrometers.
본 발명에 따라서, 양 판은 다른 판과 직면하는 측면을 섬유로 덮을 수 있다.According to the invention, both plates can cover the side facing the other plate with fibers.
본 발명에 따라서, 한 판만이 섬유로 덮여지며 다른 판에는 접착제의 얇은 층으로 제공되어 있다.According to the invention, only one plate is covered with fibers and the other plate is provided with a thin layer of adhesive.
본 발명에 따라서, 샌드위치 물질은 중간 플록을 가진 두 개 이상의 판을 포함할 수 있다.According to the invention, the sandwich material may comprise two or more plates with intermediate flocs.
본 발명에 따른 샌드위치 물질은 자동차와 같은 차량에서의 적합하게 보넷, 부트 리드, 지붕(하드탑), 음흡수판 등에, 항공기, 기차, 냉장고, 세탁기, 보트 등의 구조물로서 사용하기에 적합하다.The sandwich material according to the invention is suitable for use in structures such as aircraft, trains, refrigerators, washing machines, boats, etc. in bonnets, boot leads, roofs (hardtops), sound absorbing plates and the like, in vehicles such as automobiles.
본 발명에 따른 물질이 자동차의 지붕으로 사용되면, 차량의 내향으로 직면하는 층상체의 표면을 적합하게 플록킹할 수 있다(털부스러기를 넣을 수 있다).If the material according to the invention is used as a roof of an automobile, it is possible to suitably flock the surface of the layered body which faces inwardly of the vehicle (they can put hairs).
상술한 바와 같이 물질이 예를 들어 자가용차와 같은 차량의 지붕으로서 사용되면, 외향으로 직면하는 지붕의 측면의 물질을 스테인레스 스틸로 하며, 이 측면은 페인트하지 않고 대신에 적당한 패턴으로 폴리싱 또는 엠보싱할 수 있다.If the material is used as a roof of a vehicle, for example a car, as described above, the material on the side of the roof facing outward is made of stainless steel, which is not painted but instead polished or embossed in a suitable pattern. Can be.
도 1은 본 발명에 따라서 형성한 물질의 부분의 단면도를 도시한다. 물질은 스틸, 알루미늄 또는 약간의 다른 금속 물질로 구성될 있는 두 외부판(1, 2)으로 되어 있다. 이들 판(1, 2)이 적합하게는 이들 물질로 구성되어 있어도, 본 발명은 또한 충분한 강도와 형상성을 가지는 다른 물질, 예를 들어 약간의 플라스틱 물질을 포함한다. 판(1, 2)은 동일한 재료일 필요는 없다. 이들이 스테인레스 스틸로 이루어져 있다면, 양호한 형상성을 주는 0.2mm의 판의 두께가 적합하다. 그러나, 이들은 예를 들어 0.05mm으로부터 0.4mm 범위내에서 보다 얇거나 두꺼울 수 있다. 층상체를 향한 판의 내측면상에, 접착제의 박막 필름(3, 4)이 배열되어 있다. 이들 접착 필름(3, 4)은 내부에 금속 섬유(5)로 이루어진 층상체를 함께 유지시킨다.1 shows a cross-sectional view of a portion of a material formed in accordance with the present invention. The material consists of two outer plates 1, 2, which may consist of steel, aluminum or some other metallic material. Although these plates 1 and 2 are suitably composed of these materials, the present invention also includes other materials having sufficient strength and shape, for example some plastic materials. The plates 1, 2 need not be the same material. If they consist of stainless steel, a plate thickness of 0.2 mm which gives good shape is suitable. However, they can be thinner or thicker, for example in the range of 0.05 mm to 0.4 mm. On the inner surface of the plate facing the layered body, the thin film films 3 and 4 of the adhesive agent are arranged. These adhesive films 3 and 4 hold together a layered body made of metal fibers 5 therein.
샌드위치 물질의 제조동안 먼저 판중 하나는 금속 섬유(5)가 상기 판상에 플록킹되어질 때 접착제로 덮여진다. 바인더의 경화후, 제 2 판은 바인더가 제공된 표면을 가진 직립 금속 섬유(5)의 상부에 가해진다. 섬유(5)가 플록킹 방법에 의해 적용되기 때문에 섬유는 정전기장에 의해 상기 표면 아래로 뻗을 때, 지지체에 대해서 직립위치에 유지할 것이다. 지지체는 대개 접지되어 있고 섬유는 정전기장에서 양의 전하를 띤다. 섬유가 지지체에 귀착할 때 섬유는 방전되고 그러므로 다음의 전하띤 섬유에 방해가 되지 않을 것이다. 그러므로 섬유를 서로 매우 조밀하게 할 수 있다. 섬유를 고정시킬 수 있는 접착제는 다른 종류로 할 수 있지만, 에폭시 아교가 대부분의 경우에 바람직하다. 섬유가 금속 물질로 구성되어 있어도, 본 발명은 또한 여러 물질로된 섬유의 혼합체를 포함한다.During manufacture of the sandwich material, one of the plates is first covered with an adhesive when the metal fibers 5 are flocked onto the plates. After curing of the binder, a second plate is applied on top of the upright metal fiber 5 with the surface provided with the binder. Since the fiber 5 is applied by the flocking method, the fiber will remain in an upright position with respect to the support as it extends below the surface by an electrostatic field. The support is usually grounded and the fiber has a positive charge in the electrostatic field. When the fiber results in the support, the fiber is discharged and will therefore not interfere with the next charged fiber. Therefore, the fibers can be made very dense with each other. Adhesives capable of fixing the fibers can be of different types, but epoxy glue is preferred in most cases. Although the fibers are composed of metallic materials, the present invention also includes a mixture of fibers of various materials.
판중 하나, 예를 들어 판(2)이 플록으로 덮여지고 바인더가 경화되면, 바인더로 이루어지는 필름(3)으로 덮여진 다른 판(1)은 섬유의 돌출 단부상에 배열된다. 마지막 배열된 판(1)상의 바인더(3)의 경화후, 샌드위치 물질은 완성되고 예를 들어 냉간 프레싱에 의해 여러 형상으로 형성될 수 있다.If one of the plates, for example plate 2, is covered with a floc and the binder is cured, the other plate 1 covered with a film 3 of binder is arranged on the projecting end of the fiber. After curing of the binder 3 on the last arranged plate 1, the sandwich material is finished and can be formed into various shapes, for example by cold pressing.
몇몇 판으로 구성하는 층상 물질을 원하면, 이미 플록킹된 판을 도면에 도시한 층상체의 외측면에 가할 수 있다. 그리고 나서 층상체에 접착제를 제공하여 압착해야한다. 물론, 하나 또는 두 개의 추가의 측면상에 도면에 도시한 샌드위치 물질을 플록킹할 수 있으며, 필요하다면 나중의 플록킹에 더 많은 판을 배열할 수 있다.If a layered material consisting of several plates is desired, it is possible to apply already flocculated plates to the outer side of the layered body shown in the figure. Then it must be pressed by providing an adhesive to the layered body. Of course, one or two additional sides can be flocked to the sandwich material shown in the figures, and more plates can be arranged for later flocking if necessary.
상술한 바와 같이, 본 발명에 따른 샌드위치 물질내에 여러 물질을 포함할 수 있지만, 환경적 관점에서 섬유와 판 물질에 대해서 모두 동일한 재료가 사용되는 것이 적합하다. 이것은 용융시 용융물이 균일하게 하므로, 물질의 재사용을 용이하게 한다. 다른 한편, 샌드위치 물질내의 여러 물질의 사용으로부터 생긴 합금은 또한 여러 목적으로 사용될 수 있다. 재료가 용융될 때, 바인더내에 존재하는 유기 물질은 연소가스로서 없어진다.As mentioned above, although the sandwich material according to the present invention may comprise several materials, it is suitable for the fiber and the plate material to be used the same from an environmental point of view. This makes the melt homogeneous upon melting, thus facilitating reuse of the material. On the other hand, alloys resulting from the use of various materials in the sandwich material can also be used for various purposes. When the material is melted, the organic material present in the binder is lost as combustion gas.
판상의 섬유의 밀도는 10 - 30 섬유/mm2사이에서 변경될 수 있지만 25 - 30 섬유/mm2가 8마이크로미터의 두께에 대해서 적합하다. 물질내의 섬유의 중량은 적합하게 245 g/m2- 350 g/m2일 수 있다. 약 30 마이크로미터의 섬유 두께에 대해서, 적합한 섬유 밀도는 3 - 10 섬유/mm2이다.The density of the plate-shaped fibers can vary between 10-30 fibers / mm 2 but 25-30 fibers / mm 2 are suitable for a thickness of 8 micrometers. By weight of the fibers in the material may suitably be 245 g / m 2 - may be 350 g / m 2. For a fiber thickness of about 30 micrometers, a suitable fiber density is 3-10 fibers / mm 2 .
본 발명에 따른 샌드위치 재료는 어떤 한계값내에서 변할 수 있다. 보다 높은 강도의 물질을 원하면, 얇은 판과 상당히 많은 섬유를 사용할 수 있고, 반면에 보다 탄성적인 물질을 원하면, 두꺼운 판과 보다 적은 수의 섬유를 사용할 수 있다. 판의 두께의 변화는 적으며 몇 십 밀리미터내에서 변한다. 재료는 대개 실질적인 구조적 장점을 주는, 동일한 무게를 가진 종래 판 물질보다 6 내지 8 배 더 견고하다. 본 발명에 따른 재료의 무게는 동일한 무게의 종래의 판 물질에 비해서 절반이하이다.The sandwich material according to the invention can vary within certain limits. If a higher strength material is desired, thin plates and considerably more fibers can be used, while if a more elastic material is desired, thick plates and fewer fibers can be used. The change in plate thickness is small and varies within a few tens of millimeters. The material is usually 6-8 times harder than conventional plate materials of the same weight, giving substantial structural advantages. The weight of the material according to the invention is less than half compared to conventional plate materials of the same weight.
저중량, 저견고성, 내온도성은 본 발명에 따른 물질을 자동차와 같은 차량상의 바디 부품으로서 사용하기에 특히 적합하게 만든다. 예들 들어, 오늘날 대개 SMC 물질(유리 섬유 보강 폴리에스테르)로 만들어진 하드탑(hard top)으로 알려진 자가용차의 해제가능한 지붕은 약 33kg 중량을 가지지만, 본 발명에 따른 재료로 만든 동일한 하드탑은 10 - 12kg이다. 이들 해제가능한 하드탑은 고 중량을 가지므로 두 사람에 의해서 제거 또는 교체가능하지만, 본 발명에 따른 재료로 만든 하드탑은 단지 한 사람만으로도 충분하다.Low weight, low rigidity and temperature resistance make the material according to the invention particularly suitable for use as body parts on vehicles such as automobiles. For example, the removable roof of a car, now commonly known as a hard top made of SMC material (glass fiber reinforced polyester), has a weight of about 33 kg, while the same hard top made of the material according to the invention is 10-12 kg. to be. These releasable hardtops have a high weight and can be removed or replaced by two people, but only one person is sufficient for a hardtop made of the material according to the present invention.
본 발명에 따른 재료가 소위 하드탑에 사용되면, 또한 차실과 직면하는 측면상에 플록킹을 할 수 있으므로 지붕의 내측면상의 추가의 천피복 또는 다른 장식을 할 필요가 없다. 또한, 대개 자동차의 페인트 온도인 고온에서 섬유의 손상없이 지붕을 페인트할 수 있게 한다. 그러나, 스테인레스 스틸이 사용되면, 페인팅은 지붕의 외측면상에서 실시될 수 있으며, 대신에 적합한 패턴으로 그라인드 또는 엠보싱할 수 있다.If the material according to the invention is used in a so-called hardtop, it can also be flocked on the side facing the compartment, eliminating the need for additional cloth covering or other decoration on the inner side of the roof. It also makes it possible to paint the roof without damaging the fibers at high temperatures, which are usually the paint temperature of the car. However, if stainless steel is used, the painting can be carried out on the outer side of the roof and instead can be grind or embossed in a suitable pattern.
본 발명에 따른 물질은 또한 음흡수물이다. 그러므로 엔진에 가까운 대형 차량내에 특히 존재하는 음흡수판 또는 자가용차내의 종래 엔진을 덮는 보넷으로서 사용될 수 있다. 또한 엔진자체의 케이싱으로서 사용될 수 있다.The material according to the invention is also a sound absorbent. Therefore, it can be used as a sound absorbing plate especially present in a large vehicle close to the engine or as a bonnet covering a conventional engine in a private car. It can also be used as a casing for the engine itself.
본 발명에 따라서, 물질은 종래 형태의 대응 재료에 비해서 매우 가볍고, 보다 적은 부품을 필요로 하며, 이것은 부품의 비용을 줄이고 디지인으로부터 생산까지 보다 짧은 시간을 의미한다. 또한 재료는 견고성, 탄성 및 강도에 대해서 변경될 수 있다.According to the invention, the material is much lighter and requires fewer parts compared to the corresponding materials of the conventional form, which means that the cost of the parts is reduced and shorter time from design to production. The material can also be varied in terms of firmness, elasticity and strength.
본 발명은 상술한 실시예에 제한되지 않고 첨구범위의 범주내에서 여러 가지 방법으로 변경될 수 있다.The present invention is not limited to the above-described embodiment and can be modified in various ways within the scope of the appended claims.
Claims (11)
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WO2016148549A1 (en) * | 2015-03-19 | 2016-09-22 | (주)엘지하우시스 | Sandwich panel and method for manufacturing same |
WO2016159628A1 (en) * | 2015-04-03 | 2016-10-06 | (주)엘지하우시스 | Sandwich panel, method for manufacturing same, and sandwich panel structure |
KR20170000449A (en) * | 2015-06-23 | 2017-01-03 | (주)엘지하우시스 | Sandwitch panel and the preparing method for the same |
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GB191500222A (en) * | 1915-01-06 | 1915-09-23 | John Henry Devlin | Improvements in and connected with Valves for Inflating Pneumatic Brushing Pads, Cushions and the like. |
SE465260B (en) * | 1988-03-16 | 1991-08-19 | Scanalma Ab | SANDWICH CONSTRUCTION AND PROCEDURES FOR PREPARING THIS |
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WO2016148549A1 (en) * | 2015-03-19 | 2016-09-22 | (주)엘지하우시스 | Sandwich panel and method for manufacturing same |
KR20160113521A (en) * | 2015-03-19 | 2016-09-29 | (주)엘지하우시스 | Sandwich panel and the manufacturing method for the same |
US10647082B2 (en) | 2015-03-19 | 2020-05-12 | Lg Hausys, Ltd. | Sandwich panel and method for manufacturing same |
WO2016159628A1 (en) * | 2015-04-03 | 2016-10-06 | (주)엘지하우시스 | Sandwich panel, method for manufacturing same, and sandwich panel structure |
US10569498B2 (en) | 2015-04-03 | 2020-02-25 | Lg Hausys, Ltd. | Sandwich panel, method for manufacturing the same, and sandwich panel structure |
KR20170000449A (en) * | 2015-06-23 | 2017-01-03 | (주)엘지하우시스 | Sandwitch panel and the preparing method for the same |
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