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    • 8. 发明授权
    • Method of making perforated contoured trim panel
    • 穿孔轮廓装饰板的制作方法
    • US4211590A
    • 1980-07-08
    • US926898
    • 1978-07-21
    • Raymond G. StewardStuart G. BoydFrank P. Civardi
    • Raymond G. StewardStuart G. BoydFrank P. Civardi
    • B29D99/00B29C51/14B29C59/00B29C67/00B29C67/20B29C69/00B32B37/00B60R13/02B32B5/18
    • B60R13/0225B29C51/14Y10T156/1057Y10T428/24331Y10T428/249976Y10T428/249992Y10T428/249993
    • A process for making a smooth perforated contoured resilient panel of a type suitable for use as a decorative headliner in the passenger compartment of vehicles or the like. A thermoplastic composite laminar sheet comprising a pair of films tenaciously bonded to the opposed faces of an intervening thermoplastic foam core having closed cells containing air and residual blowing agent is perforated in flat sheet form whereafter it is heated to an elevated temperature to effect heat softening and expansion of the foam core resulting in localized dimpled recesses in the faces adjacent to the apertures or perforations. The heated expanded sheet is thereafter thermoformed between appropriately contoured mold surfaces to effect a contouring and compaction of the sheet to a thickness substantially equal to or less than the thickness of the dimpled or recessed sections forming a contoured sheet having substantially smooth exterior surfaces. The compacted and contoured smooth sheet thereafter is cooled to effect rigidification and retention of the contoured configuration thereof. The process further contemplates the application of a decorative layer to the sheet prior to or subsequent to the heating and molding operation.
    • 一种用于制造适合用作车辆等的乘客室中的装饰性顶篷的类型的平滑穿孔轮廓弹性面板的方法。 一种热塑性复合层状片材,其包括一层牢固地结合到具有包含空气和残余发泡剂的闭孔的中间热塑性泡沫芯的相对面的薄膜,然后将其加热到升高的温度以进行热软化, 泡沫芯的膨胀导致与孔或穿孔相邻的面中局部凹陷的凹陷。 然后将加热的膨胀片材在适当成型的模具表面之间热成型,以实现片材的轮廓和压实,其厚度基本上等于或小于形成具有基本平滑的外表面的轮廓片的凹陷部分或凹部的厚度。 此后,压实和成型的平滑片被冷却以实现其轮廓构型的刚性化和保持。 该方法进一步考虑了在加热和模制操作之前或之后将装饰层施加到片材上。