KR100820425B1 - Energy absorber of bumper for vehicle - Google Patents

Energy absorber of bumper for vehicle Download PDF

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Publication number
KR100820425B1
KR100820425B1 KR1020060122210A KR20060122210A KR100820425B1 KR 100820425 B1 KR100820425 B1 KR 100820425B1 KR 1020060122210 A KR1020060122210 A KR 1020060122210A KR 20060122210 A KR20060122210 A KR 20060122210A KR 100820425 B1 KR100820425 B1 KR 100820425B1
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South Korea
Prior art keywords
bumper
energy absorber
energy
vehicle
reinforcing beam
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KR1020060122210A
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Korean (ko)
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정광섭
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현대자동차주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3044—Bumpers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • B60R2019/186—Additional energy absorbing means supported on bumber beams, e.g. cellular structures or material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • B60R2019/1886—Bumper fascias and fastening means therefor

Abstract

An energy absorber for a bumper is provided to improve the impact absorbing ability by installing energy absorbers in a stiffening beam at desired intervals and numbers of the energy absorbers. An energy absorber for a bumper comprises a bumper cover(10) which has a hollow structure. A stiffening beam(20) is spaced apart from an inner side of the bumper cover, and is fixed to a vehicle body. The stiffening beam has a bead groove(21) which extends lengthwise along the bumper at the center of the stiffening beam. An energy absorber(30) is interposed between the stiffening beam and the bumper cover to absorb an impact applied to the bumper. The energy absorber includes a groove section(32) and a support section(34).

Description

범퍼용 에너지 업소버{Energy absorber of bumper for vehicle}Energy absorber for bumper {Energy absorber of bumper for vehicle}

도 1은 종래 에너지 업소버를 보인 단면도.1 is a cross-sectional view showing a conventional energy absorber.

도 2는 종래 에너지 업소버가 높이차이 차종에 의해 충돌 발생시 변화를 보인 단면도.Figure 2 is a cross-sectional view showing a change in the occurrence of a conventional energy absorber by the height difference model.

도 3은 본 발명의 에너지업소버를 보인 사시도.Figure 3 is a perspective view of the energy absorber of the present invention.

도 4는 본 발명의 설치상태 단면도.4 is a cross-sectional view of the installation state of the present invention.

도 5는 보강빔에 배치되는 상태를 보인 사시도.5 is a perspective view showing a state arranged in the reinforcement beam.

*도면중 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

10 - 범퍼커버 20 - 보강빔10-Bumper Cover 20-Reinforcement Beam

30 - 에너지업소버 31 - 조립부30-Energy Absorber 31-Assembly

32 - 요홈부 33 - 보강비드32-groove 33-reinforced beads

본 발명은 범퍼용 에너지 업소버에 관한 것으로, 더 상세하게는 부품 자체의 중량을 줄이면서 성형성을 개선하고, 충격 에너지 흡수기능이 우수하면서도 원가를 절감시킬 수 있도록 발명된 것이다.The present invention relates to an energy absorber for a bumper, and more particularly, to improve the formability while reducing the weight of the component itself, and is invented to reduce the cost while excellent impact energy absorption function.

일반적으로, 자동차의 전후부에 설치되는 범퍼외피의 내부에는 보강용 에너지업소버가 설치되어 차량을 운행중 충돌 및 추돌사고가 발생하는 경우 충격에너지를 효과적으로 흡수하여 차실에 탑승한 승원이 충격에너지에 의해 부상당하는 것이 억제되도록 하고 있다.In general, a reinforcement energy absorber is installed inside the bumper shell installed at the front and rear of the vehicle, and in the event of a collision and a collision accident while driving the vehicle, the crew occupied by the impact energy is effectively absorbed by the impact energy. It is trying to be restrained.

최근에는, 다양한 차종 사이에서 발생되는 충돌 사고시 범퍼부의 높이 차이로 인하여 차량간 슬라이딩 현상이 발생되어 차량 손상 과다 및 이로 인한 수리비용 상승이 문제점으로 대두되고 있다.Recently, due to the difference in the height of the bumper in the collision between the various types of vehicles caused by the phenomenon of sliding between the vehicle has caused a problem of excessive damage to the vehicle and the resulting increase in repair costs.

그리고, 연료비용 상승으로 차량의 동력 성능 개선에 대한 소비자의 요구가 날로 증가하여 연비 개선을 위해 보다 충격 흡수능력이 우수하면서도 중량이 가벼운 에너지업소버를 요구하고 있다.In addition, as the fuel cost increases, the demand for consumers to improve the power performance of the vehicle increases day by day, demanding more energy-absorber with lighter weight and better shock absorption capacity to improve fuel efficiency.

종래 에너지업소버(30)는 플라스틱 사출물로 제작되며, 도 1에서 도시한 바와 같이 스틸재의 보강빔(20) 전방에 부착되며, 에너지업소버(30)는 범퍼외피의 형상을 따라 수직 단면이 'ㄷ' 형으로 상하 각각 성형된다.The conventional energy absorber 30 is made of a plastic injection molding, and is attached to the front of the reinforcing beam 20 of the steel material, as shown in Figure 1, the energy absorber 30 has a vertical cross-section along the shape of the bumper shell 'c' Each mold is molded up and down.

도 1에서 도시한 바와 같은 종래 에너지업소버(30)는 그 단면이 오픈 구조로 저속 충돌시 단면 변형이 쉽게 발생된다.As shown in FIG. 1, the conventional energy absorber 30 has an open structure in which a cross-sectional deformation is easily generated during a low-speed collision.

따라서, 충격 에너지 흡수율이 적어 변형량 증가로 인해 범퍼 성능이 저하되고 차량의 상관 부품 손상을 유발하게 된다.Accordingly, the impact energy absorption rate is low, resulting in a decrease in bumper performance due to an increase in deformation amount and causing damage to a correlated part of a vehicle.

그리고, 도 2에서와 같이 빔 위치기준 높이가 높은 차량과 충돌시에는 상부에서 집중적으로 변형되고, 높이가 낮은 차량과 충돌시에는 속도에 의한 슬라이딩 발생으로 상호 차량에 손상이 과다하게 발생하였던 것이다.In addition, as shown in FIG. 2, when the vehicle collides with the vehicle having a high beam position reference height, the vehicle is deformed intensively in the upper portion, and when the vehicle collides with the vehicle having a low height, the vehicle is damaged due to the sliding caused by the speed.

결과적으로, 에너지업소버(30)의 상, 하부 형상 부족으로 다른 높이의 차종과 충돌시 손상 방지를 위한 지지 구조기능을 발휘하지 못하여 충돌에너지 흡수기능이 상실되어 차량이 과다 손상되는 원인이 되는 등 문제점이 있었던 것이다.As a result, the energy absorber 30 fails to exhibit a support structure for preventing damage when colliding with a vehicle of a different height due to a lack of upper and lower shapes of the energy absorber 30, resulting in a loss of a collision energy absorbing function and causing excessive damage to the vehicle. This was there.

또, 에너지업소버(30) 단면 형상이 범퍼 외피의 상, 하단부를 지지하지 못하여 범퍼의 꿀렁거림이 발생되는데, 이를 방지하기 위해 범퍼 상단이나 하단부에 별도의지지 구조물을 추가해야 하므로 부품수와 조립 공정수 증가로 인해 원가와 차량 전체의 중량이 상승되는 문제점도 있었다.In addition, the cross section of the energy absorber 30 does not support the upper and lower portions of the bumper shell, so bumping of the bumper occurs. In order to prevent this, a separate supporting structure must be added to the upper or lower portion of the bumper, so that the number of parts and the assembly process Due to the increase in number, the cost and weight of the entire vehicle were also increased.

본 발명의 목적은 충격 흡수를 위한 보강용 리브를 보강빔에 원하는 개수와 설계 간격으로 배치하여 성형성을 증대할 수 있도록 한 범퍼용 에너지 업소버를 제공하는데 있다.SUMMARY OF THE INVENTION An object of the present invention is to provide an energy absorber for a bumper in which reinforcing ribs for shock absorption are arranged on a reinforcing beam at a desired number and design interval to increase moldability.

본 발명의 다른 목적은, 다른 높이의 차종과 충돌시 발생되는 슬라이딩 현상 및 커버 꿀렁 거림을 방지할 수 있는 범퍼용 에너지 업소버를 제공하는데 있다.Another object of the present invention is to provide an energy absorber for a bumper that can prevent sliding phenomenon and cover slack caused when colliding with a vehicle of different height.

본 발명의 또 다른 목적은 저속 충돌시 단면 변형에 의한 흡수율을 향상시키고 차량 손상을 감소할 수 있는 범퍼용 에너지 업소버를 제공하는데 있다.It is still another object of the present invention to provide an energy absorber for a bumper that can improve the absorption rate due to cross-sectional deformation during a low-speed collision and reduce vehicle damage.

상기와 같은 목적을 달성하기 위한 본 발명은, 속이 빈 상태로 범퍼형상으로 성형되는 범퍼커버(10)와,The present invention for achieving the above object, the bumper cover 10 is formed in a bumper shape in a hollow state,

상기 범퍼커버(10)의 내측에 거리를 두고 위치되며 중앙에 비드홈(21)이 범퍼 길이 방향으로 연장되고 차체에 마운팅 고정되는 보강빔(20)과,A reinforcement beam 20 positioned at a distance from the inside of the bumper cover 10 and having a bead groove 21 extending in a bumper length direction in the center thereof and fixed to a vehicle body;

상기 보강빔(20)과 범퍼커버(10) 사이에 개재되어 충격 에너지를 흡수하는 에너지업소버(30)로 구성되는 것에 있어서,In the configuration comprising an energy absorber 30 interposed between the reinforcing beam 20 and the bumper cover 10 to absorb the impact energy,

상기 에너지업소버(30)는 일정폭으로 범퍼커버(10)의 내측 형상과 보강빔(20)의 굴곡면을 따라 보강빔(20)의 비드홈(21)에 끼워지는 조립부(31) 양측으로 요홈부(32)와 지지부(34)를 갖도록 성형하고, 수개의 보강비드(33)들이 수평하게 일체로 형성되는 것에 의해 달성된다.The energy absorber 30 extends to both sides of the assembly part 31 fitted into the bead groove 21 of the reinforcing beam 20 along the inner shape of the bumper cover 10 and the curved surface of the reinforcing beam 20 at a predetermined width. It is achieved by molding to have the groove portion 32 and the support portion 34, and several reinforcing beads 33 are formed horizontally integrally.

따라서, 상기와 같이 성형된 단위 에너지업소버(30)를 보강빔(20)에 범퍼 성능에 따라 원하는 개수와 간격으로 배치할 수가 있는 것이며, 충격 흡수역할을 충분히 발휘할 수 있도록 하는 것이다.Therefore, the unit energy absorber 30 formed as described above can be arranged in the reinforcement beam 20 at a desired number and interval according to the bumper performance, and the shock absorption role can be sufficiently exhibited.

또, 차량 손상을 감소하고, 저속 충돌시 차종에 따른 높이 차이로 슬라이딩 현상이 발생되는 것을 줄일 수 있다.In addition, it is possible to reduce the damage to the vehicle, and to reduce the occurrence of the sliding phenomenon due to the height difference according to the vehicle model at low speed collision.

그리고, 성형성 및 조립성이 향상되고 부품의 중량을 현격하게 줄일 수 있어 연비 개선 효과도 얻을 수 있는 것이다.In addition, the moldability and assembly properties are improved, and the weight of the parts can be significantly reduced, thereby improving fuel efficiency.

이하, 본 발명의 바람직한 실시예를 첨부된 도면을 참조하여 설명한다. 또한 본 실시예는 본 발명의 권리범위를 한정하는 것은 아니고, 단지 예시로 제시된 것이다.Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings. In addition, this embodiment is not intended to limit the scope of the present invention, but is presented by way of example only.

도 3은 본 발명의 단위 에너지업소버 한개만을 보인 사시도, 도 4는 본 발명이 범퍼커버(10)와 보강빔(20) 사이에 설치된 상태의 단면도이다.Figure 3 is a perspective view showing only one unit energy absorber of the present invention, Figure 4 is a cross-sectional view of the present invention installed between the bumper cover 10 and the reinforcing beam 20.

도 5는 보강빔(20)에 단위 에너지 업소버(30)들이 일정간격 배치되는 상태를 보인 사시도이다.5 is a perspective view illustrating a state in which the unit energy absorbers 30 are disposed at regular intervals in the reinforcing beam 20.

도시한 바와 같이, 본 발명은 범퍼커버(10)와 보강빔(20) 사이에 충돌 에너지 흡수를 위해 설치된다.As shown, the present invention is installed between the bumper cover 10 and the reinforcing beam 20 to absorb the collision energy.

사출물로 되는 범퍼커버(10)에 비하여 보강빔(20)은 철재로 차체에 견고히 고정되는데, 범퍼커버(10)와 보강빔(20) 사이에는 공간을 유지하게 된다.The reinforcement beam 20 is firmly fixed to the vehicle body with steel as compared to the bumper cover 10 that is an injection molding, and maintains a space between the bumper cover 10 and the reinforcement beam 20.

보강빔(20)은 중앙에 강도 보강을 위해 비드홈(21)이 범퍼 길이 방향으로 성형된다.The reinforcing beam 20 is bead groove 21 is formed in the bumper longitudinal direction for strength reinforcement in the center.

이러한 보강빔(20)과 범퍼커버(10) 사이에는 에너지업소버(30)가 개재되어 충격 에너지를 흡수하게 된다.An energy absorber 30 is interposed between the reinforcing beam 20 and the bumper cover 10 to absorb impact energy.

본 발명의 에너지업소버(30)는 단위 크기로 다수개가 동일 구조로 성형된 것이 범퍼 성능이나 용도에 따라 설계, 배치된다.The energy absorber 30 of the present invention is designed and arranged in accordance with the bumper performance and the use of a plurality of molded in the same structure in a unit size.

에너지업소버(30)의 구조는 도 3 및 도 4에서 도시한 바와 같이 전면부가 범퍼커버(10)의 내측에 접촉되기 위하여 대략 범퍼커버(10)의 내측면 형상을 따라 성형되고, 후면부는 보강빔(20)의 굴곡면을 따라 보강빔(20)의 비드홈(21)에 끼워지는 조립부(31) 양측으로 요홈부(32)와 지지부(34)를 갖도록 성형된다.The structure of the energy absorber 30 is formed along the inner surface shape of the bumper cover 10 so that the front part contacts the inside of the bumper cover 10 as shown in FIGS. 3 and 4, and the rear part is a reinforcing beam. It is molded to have a groove portion 32 and a support portion 34 on both sides of the assembly portion 31 fitted into the bead groove 21 of the reinforcing beam 20 along the curved surface of the (20).

이 요홈부(32)와 지지부(34)는 보강빔(20)의 전면 돌출부에 밀착 지지된다.The recess 32 and the support 34 are closely supported by the front projection of the reinforcing beam 20.

그리고, 수개의 보강비드(33)들이 수평하게 일체로 형성되는 것에 의해 수개의 밀폐된 폐단면들이 형성되게 한다.Then, several reinforcing beads 33 are horizontally integrally formed so that several closed closed cross sections are formed.

보강비드(33)들은 도 4에서와 같이 주로 작용되는 정면 충돌에 대하여 저항할 수 있도록 보강빔(20)을 향해 수평하게 주로 3-4개 사이로 에너지업소버(30)의 전면부와 후면부가 서로 연결되도록 일체로 성형된다.The front and rear portions of the energy absorber 30 are connected to each other mainly between 3 and 4 horizontally toward the reinforcement beam 20 so as to resist the frontal impact mainly acting as shown in FIG. 4. Integrally molded as possible.

따라서 보강비드(33)에 의해 가장 상부에 형성된 폐단면의 경우 보강빔(20) 상단부와 범퍼커버(10) 상부 사이에서 충돌에 대한 형상유지 기능을 발휘할 수 있도록 한다.Therefore, in the case of the closed cross-section formed at the top by the reinforcing bead 33, the shape maintaining function for the collision can be exerted between the upper end of the reinforcing beam 20 and the upper part of the bumper cover 10.

그리고, 중앙측에 위치되는 보강비드(33)는 저속 충돌시 단면 변형에 의해 충격 흡수율을 향상시켜, 차량 손상을 감소시킬 수 있도록 하는 것이다.In addition, the reinforcement bead 33 located at the center side is to improve the impact absorption rate by cross-sectional deformation during low-speed collision, so as to reduce vehicle damage.

이러한 구조를 갖는 에너지업소버(30)는 보강빔(20)의 전방에 필요 개수를 원하는 성능이나 용도에 따라 설계 배치하게 된다.The energy absorber 30 having such a structure is designed and arranged according to the desired performance or use of the required number in front of the reinforcing beam 20.

즉, 범퍼 법규가 엄격히 이루어지는 지역에는 본 발명의 에너지업소버(30)를 보강빔(20) 전면에 약 7개 전후로 배치 적용하게 된다.That is, in the region where the bumper laws are strictly enforced, the energy absorber 30 of the present invention is applied to the front and rear of the reinforcing beam 20 at about seven.

또, 범퍼 법규가 엄격하지 않는 지역에는 본 발명의 에너지업소버(30)를 보강빔(20) 전면에 약 5개 전후로 배치 적용하게 된다.In addition, in an area where the bumper law is not strict, about 5 energy absorbers 30 of the present invention are disposed on the front of the reinforcing beam 20.

이러한 본 발명은 별도의 개발비용 추가 없이 지역별 범퍼 법규 대응이 가능하며, 상품성 측면에 따라 범퍼 법규 성능 대응 및 이에 따른 원가와, 중량절감 및 수익성을 개선할 수가 있는 것이다.The present invention can respond to bumper regulations by region without additional development costs, and can improve bumper regulations performance and cost, weight, and profitability according to the marketability.

위에서 설명한 바와 같은 본 발명은 단위 에너지업소버(30)를 보강빔(20)에 범퍼 성능과 범퍼 법규에 따라 원하는 개수와 간격으로 배치할 수가 있는 것이며, 충격 흡수역할을 충분히 발휘할 수 있도록 하는 것이다.According to the present invention as described above, the unit energy absorber 30 can be arranged in the reinforcement beam 20 at a desired number and interval according to the bumper performance and the bumper regulations, and the shock absorbing role can be sufficiently exhibited.

또, 차량 손상을 감소하고, 저속 충돌시 차종에 따른 높이 차이로 슬라이딩 현상이 발생되는 것을 줄일 수 있다.In addition, it is possible to reduce the damage to the vehicle, and to reduce the occurrence of the sliding phenomenon due to the height difference according to the vehicle model at low speed collision.

그리고, 성형성 및 조립성이 향상되고 부품의 중량을 현격하게 줄일 수 있어 연비 개선 효과도 얻을 수 있는 등 매우 유용한 발명인 것이다.In addition, the moldability and assembly properties are improved, and the weight of the parts can be significantly reduced, and thus the fuel efficiency improvement effect can be obtained.

Claims (3)

속이 빈 상태로 범퍼형상으로 성형되는 범퍼커버(10)와,A bumper cover 10 formed in a bumper shape in a hollow state, 상기 범퍼커버(10)의 내측에 거리를 두고 위치되며 중앙에 비드홈(21)이 범퍼 길이 방향으로 연장되고 차체에 마운팅 고정되는 보강빔(20)과,A reinforcement beam 20 positioned at a distance from the inside of the bumper cover 10 and having a bead groove 21 extending in a bumper length direction in the center thereof and fixed to a vehicle body; 상기 보강빔(20)과 범퍼커버(10) 사이에 개재되어 충격 에너지를 흡수하는 에너지업소버(30)로 구성되는 것에 있어서,In the configuration comprising an energy absorber 30 interposed between the reinforcing beam 20 and the bumper cover 10 to absorb the impact energy, 상기 에너지업소버(30)는 일정폭으로 범퍼커버(10)의 내측 형상과 보강빔(20)의 굴곡면을 따라 보강빔(20)의 비드홈(21)에 끼워지는 조립부(31) 양측으로 요홈부(32)와 지지부(34)를 갖도록 성형하고, 수개의 보강비드(33)들이 수평하게 일체로 형성되는 것을 특징으로 하는 범퍼용 에너지 업소버.The energy absorber 30 extends to both sides of the assembly part 31 fitted into the bead groove 21 of the reinforcing beam 20 along the inner shape of the bumper cover 10 and the curved surface of the reinforcing beam 20 at a predetermined width. A bumper energy absorber, characterized in that it is molded to have a groove portion (32) and a support portion (34), and several reinforcement beads (33) are horizontally integrally formed. 청구항 1에 있어서, 상기 에너지업소버(30)는 보강빔(20) 전면에 7개가 배치 됨을 특징으로 하는 범퍼용 에너지 업소버.The energy absorber for a bumper according to claim 1, wherein seven energy absorbers (30) are disposed in front of the reinforcing beam (20). 청구항 1에 있어서, 상기 에너지업소버(30)는 보강빔(20) 전면에 5개가 배치 됨을 특징으로 하는 범퍼용 에너지 업소버.The energy absorber for a bumper according to claim 1, wherein five energy absorbers (30) are disposed in front of the reinforcing beam (20).
KR1020060122210A 2006-12-05 2006-12-05 Energy absorber of bumper for vehicle KR100820425B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101933925B1 (en) 2017-11-10 2019-01-02 주식회사 서연이화 Back panel assembly
KR20190041186A (en) 2017-10-12 2019-04-22 주식회사 캠스 Energy Absorber
KR20190048025A (en) * 2017-10-30 2019-05-09 한화큐셀앤드첨단소재 주식회사 Automotive bumper beam assembly with improved energy absorption and fricatives and method for manufacturing thereof

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Publication number Priority date Publication date Assignee Title
JPS59118548A (en) 1982-12-24 1984-07-09 Hashimoto Forming Co Ltd Bumper for car
JPS59230847A (en) 1983-06-14 1984-12-25 Showa Denko Kk Synthetic resin-made shock absorber
KR100588848B1 (en) 2004-06-22 2006-06-14 현대자동차주식회사 Detect apparatus for detecting crash

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59118548A (en) 1982-12-24 1984-07-09 Hashimoto Forming Co Ltd Bumper for car
JPS59230847A (en) 1983-06-14 1984-12-25 Showa Denko Kk Synthetic resin-made shock absorber
KR100588848B1 (en) 2004-06-22 2006-06-14 현대자동차주식회사 Detect apparatus for detecting crash

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190041186A (en) 2017-10-12 2019-04-22 주식회사 캠스 Energy Absorber
KR20190048025A (en) * 2017-10-30 2019-05-09 한화큐셀앤드첨단소재 주식회사 Automotive bumper beam assembly with improved energy absorption and fricatives and method for manufacturing thereof
KR101988368B1 (en) * 2017-10-30 2019-06-12 한화큐셀앤드첨단소재 주식회사 Automotive bumper beam assembly with improved energy absorption and fricatives
KR101933925B1 (en) 2017-11-10 2019-01-02 주식회사 서연이화 Back panel assembly

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