Composite panel having perforated foam core and method of making the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-015/08
B32B-037/24
B62D-029/00
B32B-005/18
B32B-015/085
B32B-015/18
B32B-015/20
B32B-027/32
B32B-003/26
B32B-015/04
출원번호
US-0454097
(2014-08-07)
등록번호
US-9908315
(2018-03-06)
발명자
/ 주소
Speer, Dwaine D.
출원인 / 주소
Wabash National, L.P.
대리인 / 주소
Quarles & Brady LLP
인용정보
피인용 횟수 :
0인용 특허 :
43
초록▼
A composite panel configured for use with a sidewall of a trailer includes an outer metal sheet, an inner metal sheet, and a core member positioned between the inner and outer metal sheets. The core member includes a plurality of apertures formed therethrough such that each aperture extends from an
A composite panel configured for use with a sidewall of a trailer includes an outer metal sheet, an inner metal sheet, and a core member positioned between the inner and outer metal sheets. The core member includes a plurality of apertures formed therethrough such that each aperture extends from an inner surface of the core member to an outer surface of the core member. Illustratively, the plurality of apertures is covered by the inner and outer metal sheets.
대표청구항▼
1. A method of continuously forming a composite panel along a single production line, the composite panel being configured for use in a sidewall of a trailer, the method comprising: forming a hot thermal plastic sheet of material having a temperature of between approximately 250° F. and 350° F.;prov
1. A method of continuously forming a composite panel along a single production line, the composite panel being configured for use in a sidewall of a trailer, the method comprising: forming a hot thermal plastic sheet of material having a temperature of between approximately 250° F. and 350° F.;providing a cooled transversing punch having an upper platform with vertical punches extending downwardly therefrom, and a lower platform coupled to the upper platform;advancing the hot thermal plastic sheet of material through the cooled transversing punch in order to form apertures through the hot thermal plastic sheet of material such that each aperture extends from an outer surface of the thermal plastic sheet of material to an inner surface of the thermal plastic sheet of material; andcoupling an outer metal sheet and an inner metal sheet, respectively, to the outer surface and the inner surface of the hot thermal plastic sheet of material. 2. The method of claim 1, wherein the thermal plastic sheet of material is a foamed thermal plastic sheet of material. 3. The method of claim 2, wherein forming the hot, foamed thermal plastic sheet of material includes (i) mixing foaming pellets and thermal plastic pellets together to form a mixture (ii) heating the mixture of foaming and thermal plastic pellets to activate the foaming pellets and produce one of carbon dioxide and nitrogen gas to foam the thermal plastic pellets, and (iii) extruding the foamed thermal plastic pellets. 4. The method of claim 2, wherein forming the hot, foamed thermal plastic sheet of material includes (i) heating a plurality of thermal plastic pellets within a chamber, (ii) introducing one of carbon dioxide and nitrogen gas into the chamber to foam the thermal plastic pellets, and (iii) extruding the foamed thermal plastic pellets. 5. The method of claim 1, wherein the hot thermal plastic sheet of material has a temperature above room temperature and is generally pliable and flexible when the hot thermal plastic sheet of material is advanced through the transversing punch. 6. The method of claim 1, further comprising advancing the hot thermal plastic sheet of material over a plurality of rollers before advancing the hot thermal plastic sheet of material through the transversing punch, wherein the plurality of rollers are chilled rollers in order to reduce a temperature of the hot thermal plastic sheet of material. 7. The method of claim 6, wherein the chilled rollers operate to reduce the temperature of the hot thermal plastic sheet of material from approximately 350° F. to approximately 250° F. 8. The method of claim 1, further comprising applying adhesive to one of (i) an inner surface of each of the inner and outer metal sheets and (ii) the inner and outer surfaces of the thermal plastic sheet of material before coupling the outer metal sheet and the inner metal sheet to the respective outer surface and the inner surface of the hot thermal plastic sheet of material. 9. A method of continuously forming a composite panel along a single production line, the composite panel being configured for use in a sidewall of a trailer, the method comprising: extruding a foamed, thermal plastic sheet of material, wherein the foamed, thermal plastic sheet of material is pliable upon exiting an extrusion die;reducing a temperature of the foamed, thermal plastic sheet of material and retaining a pliability of the foamed, thermal plastic sheet of material;forming apertures there through the pliable, foamed, thermal plastic sheet of material via a transversing punch having an upper platform coupled to a lower platform, with punches extending from at least one of the upper platform or the lower platform, wherein the apertures are one of circular apertures, longitudinally-extending slots, and latitudinally-extending slots; andcoupling an outer metal sheet and an inner metal sheet to opposite surfaces of the pliable, foamed, thermal plastic sheet of material. 10. The method of claim 1, wherein reducing the temperature includes advancing the foamed, pliable, thermal plastic sheet of material over a chilled roller. 11. The method of claim 10, wherein the temperature is reduced to approximately 250° F. 12. The method of claim 9, wherein the transversing punch is continuously cooled. 13. The method of claim 9, wherein the apertures are longitudinally-extending slots, and further comprising stretching the foamed, pliable, thermal plastic sheet of material in a transverse direction after the longitudinally-extending slots are formed. 14. A method of continuously forming a composite panel along a single production line, the composite panel being configured for use in a sidewall of a trailer, the method comprising: continuously extruding heated, foamed thermal plastic pellets to form a hot and non-rigid thermal plastic sheet of material;continuously indexing the hot, non-rigid thermal plastic sheet of material through a transversing punch having an upper platform coupled to a lower platform, with punches extending from at least one of the upper platform or the lower platform and forming apertures there through the hot, non-rigid thermal plastic sheet of material; andcontinuously laminating an outer metal sheet and an inner metal sheet to opposite surfaces of the hot, non-rigid thermal plastic sheet of material. 15. The method of claim 14, further comprising cooling the thermal plastic sheet of material to approximately 250° F., wherein the thermal plastic sheet of material remains non-rigid. 16. The method of claim 15, wherein cooling the thermal plastic sheet of material includes continuously advancing the sheet of material over one or more chilled rollers, and further comprising continuously cooling the transversing punch.
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