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    • 5. 发明公开
    • Manufacturing process of a product based on cellulose acetate with blended colour, and product, such as spectacles, obtained by such process
    • 根据乙酸纤维素的混合色制造产品这样的过程的产物,并用所述的方法制造的,如一副眼镜
    • EP2871035A1
    • 2015-05-13
    • EP14186385.2
    • 2014-09-25
    • Mazzucchelli 1849 S.p.A.
    • Orsi Mazzucchelli, DavideOrsi Mazzucchelli, Elena
    • B29C43/20B29D12/02B29K1/00B29K105/00B29L12/00G02C5/00B29B11/10
    • B29C43/206B29B11/02B29B11/10B29B11/12B29C43/20B29C43/203B29C47/0004B29C47/0066B29C47/046B29C2793/009B29D12/02B29K2001/12B29K2105/0032B29K2995/002B29L2012/005G02C5/008G02C2200/12G02C2200/14Y10T428/24769
    • A manufacturing process and the semi-finished product of thermoplastic material obtained therefrom, for obtaining products with aesthetic patterns which can be perceived in semitransparency also in depth is disclosed. The process provides the steps of (i) producing at least two initial elements (L1-Ln; S1'-Sn') of thermoplastic material with even but different aesthetic patterns, which have a different concentration of the dominating colouring (Cn>...>C2>C1≥0), at least the dominating colouring being of the bleeding type in the specific thermoplastic material, (ii) shaping said two initial elements (L1-Ln; S1'-Sn') into strips or loaves (S1-Sn; S1'-Sn') being of a submultiple width, not below 1/5 of a characteristic dimension of the finished product to be obtained, (iii) inserting at least two of said strips or loaves (S1-Sn; S1'-Sn'), having different concentration of the dominating colouring, into a workform, arranging them side by side according to a direction of side-by-side arrangement, and then (iv) undergoing pressure and heat to allow the melting and hardening of the thermoplastic material into a single body, at the same time causing the migration of the dominating colouring at least from the strips or loaves (S1-Sn; S1'-Sn') with the greater concentration of dominating colouring towards those with the lesser concentration of dominating colouring, thus causing a blurred colour hue in the boundary areas between the different strips or loaves (S1-Sn; S1'-Sn').
    • 的制造工艺,并从那里获得,获得的产品具有可以在半透明的深度被感知,从而审美图案热塑性材料的半成品被游离缺失盘。 该方法提供的(ⅰ)产生至少两个初始元件(L1-LN; S1“的Sn”)的步骤的热塑性材料具有甚至但不同的美学图案,其具有占主导地位的着色(CN>的不同浓度.. (S1'-Sn系“)成条状或面包;> C2> C1‰¥0),至少所述的出血类型中的特定的热塑性材料的主导着色的存在,(ⅱ)将所述两个初始元件(L1-LN S1-Sn系; S1'-Sn系“)是所述宽度的约数,不低于成品的特征尺寸的1/5至获得,(ⅲ)将至少两个所述条或面包(S1-Sn系的; S1“的Sn”),具有占主导地位的着色的不同浓度,成工件形状,安排他们并排雅丁一侧到另一侧由端布置的方向,然后(ⅳ)进行加压和加热,以允许熔融和 热塑性材料的硬化成一个整体,在在Sametime使主导着色的迁移至少往复 M中的条或面包(S1-Sn系; S1'-Sn系“)与主导向着色那些具有主导着色,在不同条或面包(S1-Sn的边界区域从而导致模糊的色调中的较小浓度的较大浓度; S1'-Sn系”) ,