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    • 1. 发明授权
    • Process for thermoforming reinforced polymer sheets
    • 热成型增强聚合物片的工艺
    • US4526831A
    • 1985-07-02
    • US577767
    • 1984-02-07
    • Edward HatchadoorianGeorge J. OstapchenkoJames L. PattonHarlan S. Young
    • Edward HatchadoorianGeorge J. OstapchenkoJames L. PattonHarlan S. Young
    • B29C51/00B29C51/42B60R13/02B32B27/34
    • B29C51/002B29C43/203B29C51/006B29C51/426B60R13/0225B60R13/02Y10T428/24995Y10T428/31616
    • Reinforced poly(ethylene terephthalate) sheets are thermoformed to articles having one or more surfaces in contact with the mold of such a degree of smoothness that they virtually completely replicate the mold face. When the mold face is completely smooth, the concave imperfections caused by air entrapment in the plastic material account for less than 6% of the surface area. Composite articles consisting of a face member and a backing member are made by thermoforming in a single mold a face member having one or more surfaces in contact with the mold face of such a degree of smoothness that it completely replicates the mold face, and its proportion of concave imperfections is less than about 6% of the surface area. The backing member is bonded in the mold with an adhesive to the face member, and the composite structure is allowed to remain in the mold for a sufficient time to permit subsequent removal without distortion. The initial polymer sheets are less than about 5% crystalline, but the thermoformed article is left in the mold until it crystallizes to the desired degree.
    • 将增强的聚(对苯二甲酸乙二醇酯)片材热成型为具有与模具接触的一个或多个表面的制品,其具有这样的平滑度,使得它们实际上完全复制了模具表面。 当模具表面完全光滑时,由塑料材料中的空气夹带引起的凹陷缺陷占表面积的6%以下。 由面部构件和背衬构件构成的复合制品通过在单个模具中通过热成型制成,所述面部构件具有与模具表面接触的一个或多个表面,以使其完全复制模具面的平滑度,并且其比例 凹陷缺陷小于表面积的约6%。 背衬构件在模具中用粘合剂粘合到面构件上,并且允许复合结构留在模具中足够的时间以允许随后的去除而不变形。 初始聚合物片材的结晶度小于约5%,但将热成型制品留在模具中直到其结晶达到所需程度。
    • 3. 发明授权
    • Process for thermoforming reinforced polymer sheets
    • 热成型增强聚合物片的工艺
    • US4457797A
    • 1984-07-03
    • US390683
    • 1982-06-21
    • Edward HatchadoorianGeorge J. OstapchenkoJames L. PattonHarlan S. Young
    • Edward HatchadoorianGeorge J. OstapchenkoJames L. PattonHarlan S. Young
    • B29C51/00B29C51/42B60R13/02B29C11/00B29C17/04B32B31/20
    • B29C51/006B29C51/002B29C51/426B60R13/02
    • Reinforced poly(ethylene terephthalate) sheets are thermoformed to articles having one or more surfaces in contact with the mold of such a degree of smoothness that they virtually completely replicate the mold face. When the mold face is completely smooth, the concave imperfections caused by air entrapment in the plastic material account for less than 6% of the surface area. Composite articles consisting of a face member and a backing member are made by thermoforming in a single mold a face member having one or more surfaces in contact with the mold face of such a degree of smoothness that it completely replicates the mold face, and its proportion of concave imperfections is less than about 6% of the surface area. The backing member is bonded in the mold with an adhesive to the face member, and the composite structure is allowed to remain in the mold for a sufficient time to permit subsequent removal without distortion. The initial polymer sheets are less than about 5% crystalline, but the thermoformed article is left in the mold until it crystallizes to the desired degree.
    • 将增强的聚(对苯二甲酸乙二醇酯)片材热成型为具有与模具接触的一个或多个表面的制品,其具有这样的平滑度,使得它们实际上完全复制了模具表面。 当模具表面完全光滑时,由塑料材料中的空气夹带引起的凹陷缺陷占表面积的6%以下。 由面部构件和背衬构件构成的复合制品通过在单个模具中通过热成型制成,所述面部构件具有与模具表面接触的一个或多个表面,其完全复制模具面的平滑度,以及其比例 凹陷缺陷小于表面积的约6%。 背衬构件在模具中用粘合剂粘合到面构件上,并且允许复合结构留在模具中足够的时间以允许随后的去除而不变形。 初始聚合物片材的结晶度小于约5%,但将热成型制品留在模具中直到其结晶达到所需程度。