KR100780550B1 - Impact pad assembly for vehicle door - Google Patents

Impact pad assembly for vehicle door Download PDF

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Publication number
KR100780550B1
KR100780550B1 KR1020060066282A KR20060066282A KR100780550B1 KR 100780550 B1 KR100780550 B1 KR 100780550B1 KR 1020060066282 A KR1020060066282 A KR 1020060066282A KR 20060066282 A KR20060066282 A KR 20060066282A KR 100780550 B1 KR100780550 B1 KR 100780550B1
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KR
South Korea
Prior art keywords
impact
pad
door
rib member
rib
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Application number
KR1020060066282A
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Korean (ko)
Inventor
전오환
장익근
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한일이화주식회사
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Priority to KR1020060066282A priority Critical patent/KR100780550B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/0468—Fixation or mounting means specific for door components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/042—Reinforcement elements
    • B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
    • B60J5/0423—Elongated type elements, e.g. beams, cables, belts or wires characterised by position in the lower door structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/042—Reinforcement elements
    • B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
    • B60J5/0438—Elongated type elements, e.g. beams, cables, belts or wires characterised by the type of elongated elements
    • B60J5/0443—Beams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/11—Passenger cars; Automobiles

Abstract

An impact pad assembly for a vehicle door is provided to more effectively protect safety of passengers, to improve productivity due to reduction of assembly time, and to reduce manufacturing costs by equipping self dual shock absorbing structure with a rib member and a pad member. An impact pad assembly(50) for a vehicle door(10) comprises a rib member(51) and a pad member(53). The rib member is integrally formed when a door trim(13) is formed so as to be located in predetermined space between the door trim and an impact bar(20). The pad member, integrally assembled to a tip of the rib member, is located adjacent to the impact bar. The tip of the rib member and the pad member are joined by welding.

Description

차량 도어용 임팩트패드 조립체{Impact pad assembly for vehicle door}Impact pad assembly for vehicle door

도 1은 자동차 도어의 구조를 보여주기 위한 분리 사시도,1 is an exploded perspective view illustrating the structure of a car door;

도 2는 종래의 임팩트패드를 설명하기 위한 도어의 단면도,2 is a cross-sectional view of a door for explaining a conventional impact pad,

도 3은 본 발명에 따른 임팩트패드 조립체를 설명하기 위한 도어의 단면도,3 is a cross-sectional view of the door for explaining the impact pad assembly according to the present invention;

도 4와 도 5는 본 발명에 따라 임팩트패드 조립체를 구성하는 리브부재를 설명하기 위한 도면이다.4 and 5 are views for explaining the rib member constituting the impact pad assembly according to the present invention.

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

10 - 도어 11 - 외측패널10-Door 11-Outer Panel

12 - 내측패널 13 - 도어트림12-Inner panel 13-Door trim

20 - 임팩트바 50 - 임팩트패드 조립체20-Impact Bar 50-Impact Pad Assembly

51 - 리브부재 53 - 패드부재51-rib member 53-pad member

본 발명은 차량 도어용 임팩트패드 조립체에 관한 것으로, 특히 측면 충돌에 대한 흡수성능을 향상시킬 수 있도록 하면서 제조원가의 절감을 이룩할 수 있도록 하는 차량 도어용 임팩트패드 조립체에 관한 것이다.The present invention relates to an impact pad assembly for a vehicle door, and more particularly, to an impact pad assembly for a vehicle door to achieve a reduction in manufacturing cost while improving the absorption performance against side impacts.

일반적으로, 차량의 바디(body)에는 탑승자의 승하차를 위해 힌지를 매개로 회전 개폐되는 도어가 장착되어 있는 바, 상기 도어의 구조는 도 1과 도 2에 도시된 바와 같다.In general, the body of the vehicle (bar) is equipped with a door that is rotated to open and close through the hinge for getting on and off the occupant, the structure of the door as shown in Figs.

즉, 차량의 도어(10)는 도시된 바와 같이 외측패널(11)과 내측패널(12) 및 도어트림(13)으로 구성되며, 상기 외측패널(11)과 내측패널(12)사이의 공간에는 도어(10)를 개폐를 위한 윈도우글래스(G)가 레귤레이터(도시않됨)에 의해 승하강 작동이 가능하도록 구비된다.That is, the door 10 of the vehicle is composed of the outer panel 11, the inner panel 12 and the door trim 13, as shown in the space between the outer panel 11 and the inner panel 12 Window glass (G) for opening and closing the door 10 is provided to enable the lifting operation by the regulator (not shown).

여기서, 상기 외측패널(11)과 상기 내측패널(12)은 서로 중첩을 이룬 다수 군데가 상호 용접 결합됨으로써 하나의 도어 조립체를 형성하게 된다.Here, the outer panel 11 and the inner panel 12 are formed by welding a plurality of places overlapping each other to form a door assembly.

또한, 상기 도어트림(13)은 클립(C)과 같은 다수의 고정수단을 통해 상기 내측패널(12)에 고정되어 결합된다.In addition, the door trim 13 is fixedly coupled to the inner panel 12 through a plurality of fixing means such as a clip (C).

한편, 상기 도어(10)의 내부에는 임팩트바(20)와 임팩트쿠션(30)이 설치되는데, 상기 임팩트바(20)는 차체의 길이방향을 따라 설치되는 것으로서 측면 충돌시 발생한 충격력에 의해 도어(10)가 급격하게 붕괴되는 현상을 막을 수 있도록 부재가 지닌 자체의 강성으로 충격력을 저감시켜 탑승자의 안전을 확보할 수 있도록 하는 것이다.On the other hand, the impact bar 20 and the impact cushion 30 is installed in the interior of the door 10, the impact bar 20 is installed along the longitudinal direction of the vehicle body by the impact force generated during the side impact ( In order to prevent the sudden collapse of 10), the member's own rigidity can reduce the impact force to ensure the safety of the occupants.

또한, 상기 임팩트쿠션(30)은 상기 임팩트바(20)와 도어트림(13)사이의 정해진 공간내에서 마운팅브라켓(31)과 체결볼트(32)를 통해 상기 도어트림(13)에 고정 설치되거나 또는 테이프나 접착제와 같은 별도의 접착부재를 매개로 고정 설치된다.In addition, the impact cushion 30 is fixedly installed on the door trim 13 through a mounting bracket 31 and a fastening bolt 32 within a predetermined space between the impact bar 20 and the door trim 13. Or it is fixedly installed through a separate adhesive member such as tape or adhesive.

상기 임팩트쿠션(30)은 블로우 성형에 의해 제작된 충격흡수부재로서, 상기 임팩트바(20)와 함께 측면 충돌시 발생한 충격력을 저감시켜 탑승자의 안전을 보호하게 된다.The impact cushion 30 is a shock absorbing member manufactured by blow molding, and protects the occupant's safety by reducing the impact force generated during side impact with the impact bar 20.

그러나, 상기와 같은 종래의 임팩트쿠션(30)은 블로우 성형의 특성상 전체의 두께가 불균일하게 제작됨으로써, 충격 흡수에 대한 요구성능을 충분하게 만족시키지 못하는 문제점이 있었다.However, the conventional impact cushion 30 as described above has a problem in that the overall thickness is made nonuniformly due to the characteristics of blow molding, thereby not sufficiently satisfying the required performance for shock absorption.

또한, 종래의 임팩트쿠션(30)은 전술한 바와 같이 마운팅브라켓(31)과 체결볼트(32)를 사용하거나 또는 접착부재를 사용하여 도어트림(13)에 고정시키는 구조이기 때문에, 조립시간이 많이 소요되고 아울러 제조원가 상승의 원인이 되는 문제점도 있었다.In addition, the conventional impact cushion 30 is a structure that is fixed to the door trim 13 by using the mounting bracket 31 and the fastening bolt 32, or by using an adhesive member as described above, a lot of assembly time In addition, there was a problem that causes a rise in manufacturing costs.

이에 본 발명은 상기와 같은 문제점을 해소하기 위해 안출된 것으로서, 전체의 두께가 불균일하게 제작되는 블로우 성형의 특성을 고려하여 충격 흡수에 대한 요구성능을 충분하게 만족시킬 수 있는 이중 구조를 갖도록 개선함으로써 탑승자의 안전을 더욱 효과적으로 보호할 수 있도록 함은 물론, 조립시간의 단축을 도모할 수 있도록 하고 아울러 제조원가의 절감을 이룩할 수 있도록 하는 차량 도어용 임팩트패드 조립체를 제공함에 그 목적이 있다.Accordingly, the present invention has been made to solve the above problems, by improving to have a double structure that can sufficiently satisfy the required performance for shock absorption in consideration of the characteristics of the blow molding is made of non-uniform thickness of the whole It is an object of the present invention to provide an impact pad assembly for a vehicle door that can more effectively protect the safety of the occupants, as well as to shorten the assembly time and to achieve a reduction in manufacturing cost.

상기와 같은 목적을 달성하기 위한 본 발명의 임팩트패드 조립체는, 도어트림과 임팩트바사이의 정해진 공간내에 위치하도록 상기 도어트림의 성형시 일체로 형성되는 리브부재와; 상기 리브부재의 선단과 일체로 결합되면서 상기 임팩트바와 인접하게 위치하도록 설치되는 패드부재;로 구성됨을 특징으로 한다.Impact pad assembly of the present invention for achieving the above object, the rib member is formed integrally during the molding of the door trim to be located in a predetermined space between the door trim and the impact bar; And a pad member coupled to the front end of the rib member so as to be positioned adjacent to the impact bar.

이하 본 발명의 실시예를 첨부된 예시도면에 의거하여 상세히 설명한다.DETAILED DESCRIPTION Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 3은 본 발명에 따른 임팩트패드 조립체를 설명하기 위한 도어의 단면도로서, 종래 구조와 동일한 부위에는 동일한 참조부호를 붙이면서 설명하기로 한다.Figure 3 is a cross-sectional view of the door for explaining the impact pad assembly according to the present invention, will be described with the same reference numerals to the same parts as the conventional structure.

본 발명에 따른 임팩트패드 조립체(50)는 도 3에 도시된 바와 같이 리브부재(51)와 패드부재(53)로 구성되어 차량 도어(10)의 내부공간에 위치하도록 설치된다.Impact pad assembly 50 according to the present invention is composed of a rib member 51 and the pad member 53, as shown in Figure 3 is installed to be located in the interior space of the vehicle door (10).

차량용 도어(10)는 전술하였던 바와 같이 외측패널(11)과 내측패널(12) 및 도어트림(13)으로 구성되며, 상기 외측패널(11)과 내측패널(12)사이의 공간에는 도어(10)를 개폐를 위한 윈도우글래스(G)가 레귤레이터(도시않됨)에 의해 승하강 작동이 가능하도록 구비된다.As described above, the vehicle door 10 includes an outer panel 11, an inner panel 12, and a door trim 13, and a door 10 in the space between the outer panel 11 and the inner panel 12. Window glass (G) for opening and closing) is provided to enable the lifting and lowering operation by a regulator (not shown).

여기서, 상기 외측패널(11)과 상기 내측패널(12)은 서로 중첩을 이룬 다수 군데가 상호 용접 결합됨으로써 하나의 도어 조립체를 형성하게 된다.Here, the outer panel 11 and the inner panel 12 are formed by welding a plurality of places overlapping each other to form a door assembly.

한편, 상기 도어(10)의 내부에는 임팩트바(20) 및 본 발명에 따른 임팩트쿠션 조립체(50)가 설치된다.Meanwhile, the impact bar 20 and the impact cushion assembly 50 according to the present invention are installed in the door 10.

상기 임팩트바(20)는 차체의 길이방향을 따라 설치되는 것으로서 측면 충돌시 발생한 충격력에 의해 도어(10)가 급격하게 붕괴되는 현상을 막을 수 있도록 부재가 지닌 자체의 강성으로 충격력을 저감시켜 탑승자의 안전을 확보할 수 있도록 하는 것이다.The impact bar 20 is installed along the longitudinal direction of the vehicle body to reduce the impact force to the rigidity of the member to prevent the phenomenon that the door 10 is suddenly collapsed by the impact force generated during the side collision to reduce the impact of the occupant It is to ensure safety.

상기 임팩트쿠션 조립체(50)는 상기 도어트림(13)과 상기 임팩트바(20)사이의 정해진 공간내에서 설치되는 것으로, 상기 임팩트바(20)와 함께 측면 충돌시 발생한 충격력을 저감시켜 탑승자의 안전을 보호하게 된다.The impact cushion assembly 50 is installed in a predetermined space between the door trim 13 and the impact bar 20, and reduces the impact force generated when a side collision with the impact bar 20 reduces the safety of the occupant. Will protect.

여기서, 본 발명에 따른 임팩트쿠션 조립체(50)는, 상기 도어트림(13)과 임팩트바(20)사이의 정해진 공간내에 위치하도록 상기 도어트림(13)의 성형시 일체로 형성되는 리브부재(51)와, 상기 리브부재(51)의 선단과 일체로 결합되면서 상기 임팩트바(20)와 인접하게 위치하도록 설치되는 패드부재(53)로 구성된다.Here, the impact cushion assembly 50 according to the present invention, the rib member 51 is formed integrally at the time of molding the door trim 13 to be located in a predetermined space between the door trim 13 and the impact bar 20. And a pad member 53 which is integrally coupled with the front end of the rib member 51 and installed to be adjacent to the impact bar 20.

상기 도어트림(13)은 플라스틱 사출 성형되며, 이에 따라 상기 리브부재(51)도 도어트림(13)의 플라스틱 사출 성형시 그 안쪽면에 일체로 형성된다.The door trim 13 is plastic injection molded, and thus the rib member 51 is also integrally formed on an inner surface thereof during the plastic injection molding of the door trim 13.

상기 패드부재(53)는 수지(resin)를 이용한 블로어 성형으로 제작된다.The pad member 53 is manufactured by blower molding using a resin.

그리고, 상기 리브부재(51)의 선단과 상기 패드부재(53)는 열 융착에 의해 서로 결합된다.The front end of the rib member 51 and the pad member 53 are coupled to each other by thermal fusion.

한편, 상기 패드부재(53)의 두께(T1)는 상기 리브부재(51)의 높이(H1)보다 큰 치수를 갖도록 형성되는데, 상기 패드부재(53)의 두께(T1)는 원활한 충격력의 흡수를 위해 상기 리브부재(51)의 높이(H1)보다 최소 1.5배 내지 2배의 치수를 갖도록 형성되는 것이 바람직하지만, 차종에 따라 변경될 수 있으므로 이에 한정되는 것은 아니다.On the other hand, the thickness (T1) of the pad member 53 is formed to have a size larger than the height (H1) of the rib member 51, the thickness (T1) of the pad member 53 is a smooth absorption of the impact force The rib member 51 is preferably formed to have a dimension of at least 1.5 times to 2 times the height H1 of the rib member 51, but the present invention is not limited thereto.

그리고, 상기 리브부재(51)는 충격흡수 성능의 향상을 위해 정면에서 바라본 형상이 도 4에 도시된 바와 같이 벌집구조를 이루도록 형성될 수 있으며, 또한 도 5에 도시된 바와 같이 다수개의 일자형 막대가 평행하게 배치되면서 인접한 일자형 막대끼리 서로 격자구조를 이루어 형성될 수도 있다.In addition, the rib member 51 may be formed to form a honeycomb structure as shown in FIG. 4 from the front in order to improve the shock absorbing performance, and as illustrated in FIG. Adjacent linear bars may be disposed in parallel to each other to form a lattice structure.

따라서, 본 발명에 따른 임팩트패드 조립체(50)는 그 차체가 이중 충격흡수구조를 갖게 됨으로써 도 2를 참조로 전술한 종래의 구조보다 충격 흡수에 대한 요구성능을 더욱 향상시킬 수 있게 된다.Therefore, the impact pad assembly 50 according to the present invention can further improve the required performance for shock absorption than the conventional structure described above with reference to FIG.

또한, 본 발명은 블로우 성형의 특성상 패드부재(53)의 두께(T1)가 전체적으로 불균일하게 성형되더라도 리브부재(51)가 이를 보상하여 주는 이중구조이므로, 충격흡수 성능이 종래에 비해 더욱 향상되며 이로 인해 탑승자의 안전을 더욱 효과적으로 보호할 수 있게 된다.In addition, the present invention is a double structure that the rib member 51 compensates for this, even if the thickness (T1) of the pad member 53 is non-uniformly formed due to the nature of blow molding, the shock absorption performance is further improved compared to the conventional Therefore, the safety of the occupants can be more effectively protected.

또한, 본 발명은 리브부재(51)와 패드부재(53)의 간단한 열 융착 결합에 의해 설치가 완료됨으로써, 마운팅브라켓(31)과 체결볼트(32) 또는 접착부재를 사용하여 설치하던 종래에 비해 조립시간을 대폭 단축시킬 수 있게 되어 생산성 향상에 도움을 줄 수 있게 되고, 아울러 제조원가도 절감시킬 수 있는 장점이 있게 된다.In addition, the present invention is completed by the simple thermal fusion bonding of the rib member 51 and the pad member 53, compared to the conventional installation using the mounting bracket 31 and the fastening bolt 32 or adhesive member The assembly time can be drastically shortened, which can help to improve productivity, and also reduce the manufacturing cost.

이상 설명한 바와 같이 본 발명에 의한 임팩트패드 조립체는, 리브부재와 패드부재에 의해 자체적인 이중 충격흡수구조를 갖게 됨으로써 충격 흡수에 대한 요구성능이 더욱 향상되어 탑승자의 안전을 더욱 효과적으로 보호할 수 있게 될 뿐만 아니라, 조립시간의 단축을 통해 생산성을 향상시킬 수 있게 되고 아울러 제조원가도 절감시킬 수 있는 효과가 있게 된다.As described above, the impact pad assembly according to the present invention has its own double shock absorbing structure by the rib member and the pad member, so that the required performance for shock absorption is further improved to more effectively protect the safety of the occupant. In addition, it is possible to improve the productivity by reducing the assembly time, and also to reduce the manufacturing cost.

Claims (5)

도어트림(13)과 임팩트바(20)사이의 정해진 공간내에 위치하도록 상기 도어트림(13)의 성형시 일체로 형성되는 리브부재(51)와;A rib member 51 integrally formed at the time of molding the door trim 13 to be located in a predetermined space between the door trim 13 and the impact bar 20; 상기 리브부재(51)의 선단과 일체로 결합되면서 상기 임팩트바(20)와 인접하게 위치하도록 설치되는 패드부재(53)로 구성되는 한편;A pad member (53) which is integrally coupled with the front end of the rib member (51) and installed to be adjacent to the impact bar (20); 상기 리브부재(51)의 선단과 상기 패드부재(53)는 열 융착으로 결합된 것;The front end of the rib member 51 and the pad member 53 are joined by heat fusion; 을 특징으로 하는 차량 도어용 임팩트패드 조립체.Impact pad assembly for a vehicle door, characterized in that. 삭제delete 청구항 1에 있어서, 상기 패드부재(53)의 두께(T1)는 상기 리브부재(51)의 높이(H1)보다 큰 치수를 갖도록 형성되는데, 상기 패드부재(53)의 두께(T1)는 상기 리브부재(51)의 높이(H1)보다 최소 1.5배 내지 2배의 치수를 갖도록 형성된 것을 특징으로 하는 차량 도어용 임팩트패드 조립체.The thickness T1 of the pad member 53 is formed to have a size larger than the height H1 of the rib member 51. The thickness T1 of the pad member 53 is the rib. Impact pad assembly for a vehicle door, characterized in that it is formed to have a dimension of at least 1.5 to 2 times the height (H1) of the member (51). 청구항 1에 있어서, 상기 리브부재(51)는 벌집구조로 형성된 것을 특징으로 하는 차량 도어용 임팩트패드 조립체.The impact pad assembly of claim 1, wherein the rib member is formed in a honeycomb structure. 청구항 1에 있어서, 상기 리브부재(51)는 다수개의 일자형 막대가 평행하게 배치되면서 인접한 일자형 막대끼리 서로 격자구조를 이루어 형성된 것을 특징으로 하는 차량 도어용 임팩트패드 조립체.The impact pad assembly of claim 1, wherein the rib member (51) is formed in a lattice structure with adjacent linear bars while a plurality of linear bars are disposed in parallel.
KR1020060066282A 2006-07-14 2006-07-14 Impact pad assembly for vehicle door KR100780550B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100889227B1 (en) 2007-11-15 2009-03-17 한일이화주식회사 Collision energy absorber for door of automobile
KR100996589B1 (en) 2008-12-09 2010-11-25 주식회사 성우하이텍 A door impact beam
KR101006568B1 (en) 2009-04-22 2011-01-07 한일이화주식회사 Impact pad for vehicle door
CN102986877A (en) * 2011-09-14 2013-03-27 光明乳业股份有限公司 Production technology for formula milk powder
CN113047748A (en) * 2019-12-26 2021-06-29 铭微能源科技(上海)有限公司 Anti-collision cellular board protective door body structure and protective door

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960001004U (en) * 1994-06-28 1996-01-17 Attachment Structure of Shock Absorber Pad of Door Trim
KR960016867U (en) * 1994-11-26 1996-06-17 기아자동차 주식회사 Side impact bar structure of vehicle door
JP2002362273A (en) * 2001-06-11 2002-12-18 Mitsubishi Motors Corp Impact absorbing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960001004U (en) * 1994-06-28 1996-01-17 Attachment Structure of Shock Absorber Pad of Door Trim
KR960016867U (en) * 1994-11-26 1996-06-17 기아자동차 주식회사 Side impact bar structure of vehicle door
JP2002362273A (en) * 2001-06-11 2002-12-18 Mitsubishi Motors Corp Impact absorbing device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100889227B1 (en) 2007-11-15 2009-03-17 한일이화주식회사 Collision energy absorber for door of automobile
KR100996589B1 (en) 2008-12-09 2010-11-25 주식회사 성우하이텍 A door impact beam
KR101006568B1 (en) 2009-04-22 2011-01-07 한일이화주식회사 Impact pad for vehicle door
CN102986877A (en) * 2011-09-14 2013-03-27 光明乳业股份有限公司 Production technology for formula milk powder
CN113047748A (en) * 2019-12-26 2021-06-29 铭微能源科技(上海)有限公司 Anti-collision cellular board protective door body structure and protective door

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