Process for producing a compound motor vehicle component
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B29C-070/68
B29C-070/00
출원번호
US-0617771
(2003-07-14)
등록번호
US-7462311
(2008-12-09)
우선권정보
DE-100 33 232(2000-07-10)
발명자
/ 주소
Kralik,Martin
Lante,Christoph Tobias
출원인 / 주소
Webasto Vehicle Systems International GmbH
대리인 / 주소
Safran,David S.
인용정보
피인용 횟수 :
0인용 특허 :
22
초록▼
A process and a molding tool for making a motor vehicle roof part with a preformed plastic outside skin by deep drawing and at least one other layer which is connected to the outside skin by an adhesive. A spacer part with a large volume and low weight is placed between the inside of the outside ski
A process and a molding tool for making a motor vehicle roof part with a preformed plastic outside skin by deep drawing and at least one other layer which is connected to the outside skin by an adhesive. A spacer part with a large volume and low weight is placed between the inside of the outside skin and a glass fiber mat which is used as another layer and is spaced apart from it. A liquid or foam adhesive is applied in the mold tool between the inside of the outside skin or the inside of the glass fiber mat and diffuses into the spacer part. A very light and still very stable motor vehicle roof part with high production precision and surface quality results that has a plastic outside skin which, preferably, has already been colored according to the motor vehicle color.
대표청구항▼
What is claimed is: 1. Process for producing a compound motor vehicle component with an outside skin formed of a finished surface component, an inside layer and a spacer part, the spacer part being a honeycomb structural part which contains hollow chambers that have open ends at sides thereof facin
What is claimed is: 1. Process for producing a compound motor vehicle component with an outside skin formed of a finished surface component, an inside layer and a spacer part, the spacer part being a honeycomb structural part which contains hollow chambers that have open ends at sides thereof facing the finished surface component, and a glass fiber mat and which is located between the outside skin and the inside layer and is connected to them, comprising the steps of: inserting the finished surface component into a first half of a molding tool, inserting the glass fiber mat into a second half of the molding tool, applying a liquid adhesive layer to the glass fiber mat in second mold half and to the surface-finished component in a first mold half, inserting the spacer part between the adhesive layers while the adhesive layers are still liquid, and closing the a first and second mold halves so as to press the compound motor vehicle component into its final shape and so as to diffuse the adhesive into the open ends of the hollow chambers of the spacer part, and setting the adhesive. 2. Process as claimed in claim 1, wherein the a preshaped, deep drawn component is provided as the finished surface component. 3. Process as claimed in claim 1, wherein a second glass fiber mat is provided on the spacer part before inserting the spacer part into the molding tool, and wherein the spacer part is inserted in the mold half with the second glass fiber mat facing an inner side of the finished surface component. 4. Process for producing a compound motor vehicle component with an outside skin formed of a finished surface component, an inside layer and a spacer part, the spacer part being a honeycomb structural part which contains hollow chambers that have open ends at sides thereof facing the finished surface component, and a glass fiber mat and which is located between the outside skin and the inside layer and is connected to them, comprising the steps of: inserting the finished surface component into a first half of a molding tool, applying a liquid adhesive layer to the glass fiber mat and to the surface-finished component, inserting the spacer part onto the adhesive layer of finished surface component and inserting the glass fiber mat into a second half of the molding tool, closing the first and second mold halves, while the adhesive layers are still liquid, so as to press the compound motor vehicle component into its final shape and so as to diffuse the adhesive into the open ends of the hollow chambers of the spacer part, and setting the adhesive, wherein the adhesive is applied at least to the glass fiber mat outside of the tool, and the glass fiber mat to which the adhesive has been applied is placed horizontally in the tool on the top of the spacer part. 5. Process as claimed in claim 1, wherein after setting of the adhesive, a peripheral area of the glass fiber mat of the compound motor vehicle component is cut away by punching via a movable slider which is located in an edge area of the tool and which is used to hold the outside skin. 6. Process as claimed in claim 1, wherein, during said closing and setting steps, an edging cutter provided in the first half of the molding tool is engaged with an opposed surface of a slider provided in the second half of the molding tool which has a groove for holding centering pins, the slider being displaced on said engagement of the edging cutter on said surface. 7. Process as claimed in claim 1, wherein said applying step comprises the step of inserting a spray tool between the halves of the molding tool for applying said adhesive layer. 8. Process as claimed in claim 7, wherein the spray tool has a spray head with two sets of nozzles on the spray head, each of said sets facing toward a respective one of the halves of the molding tool, adhesive being sprayed toward both said finished surface component and said glass fiber mat. 9. Process as claimed in claim 1, wherein the spacer is formed of one of a cardboard, metal, and polyamide or polyester plastic material. 10. Process as claimed in claim 4, wherein the spacer is formed of one of a cardboard, metal, and polyamide or polyester plastic material.
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