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    • 3. 发明公开
    • A TROLLEY CASE
    • EP3338588A1
    • 2018-06-27
    • EP17173299.3
    • 2017-05-29
    • ITP (Heyuan) Luggage Co., Ltd
    • Hu, Muliang
    • A45C5/02A45C5/03A45C13/04A45C13/36
    • A45C5/02A45C5/03A45C13/04A45C13/36A45C2005/037
    • The present application relates to a trolley case comprising an upper cover 100 and a lower cover 200 which is openable and connectable to the upper cover 100, an inner side of the upper cover 100 is provided continuously or intermittently with an upper reinforcing strip 110, an inner part of the upper reinforcing strip 110 is a first hollow structure, the upper reinforcing strip 110 is defined at an inner periphery of a side of the upper cover 100 adjacent to the lower cover 200; an inner side of the lower cover 200 is provided continuously or intermittently with a lower reinforcing strip 210, an inner part of the lower reinforcing strip 210 is a second hollow structure, the lower reinforcing strip 210 is defined at an inner periphery of a side of the lower cover 200 adjacent to the upper cover 100, the upper reinforcing strip 110 and the lower reinforcing strip 210 forms a support region S for preventing deformation of the upper cover 100 and the lower cover 200 and co-supporting the trolley case when the upper cover 100 and the lower cover 200 are closed. The trolley case provided by the application not only prevents deformation of the trolley case, load-bearing ability is strong, the structure is simple, a production process is simple and a production cost is low.
    • 10. 发明公开
    • A material and process of manufacturing luggage cases
    • 材料和Verfahren zur Herstellung vonGepäckstücken
    • EP2428131A1
    • 2012-03-14
    • EP11181305.1
    • 2011-09-14
    • V.I.P. INDUSTRIES LIMITED
    • Kumar Saha, Ashish
    • A45C5/14A45C7/00A45C13/10A45C13/36
    • A45C5/02A45C5/14A45C7/0027A45C13/04A45C13/103A45C13/1084A45C2005/032
    • The invention relates to novel modified polypropylene compositions, especially for luggage case applications. More particularly, the invention relates the blend of PP and elastomer which are compatible to polypropylene are heated to melt in the injection moulding unit barrel. The melted material of the blend bonds together in the predetermined proportion of PP - 60 to 90% and Elastomer which are compatible to Polypropylene - 40 to 10% depending on the product design & structure (For example - Engage , Ethyl vinyl acetate (EVA) etc. to give a single material type with molecular continuity . In short, the material properties are enhanced through molecular properties of each polymer , resulting in manufacture of luggage case as "No break". [This modified polypropylene composition for a luggage case is henceforth called as "K-PP"]. It also relates to manufacturing of various luggage cases from the said material.
    • 本发明涉及新型改性聚丙烯组合物,特别适用于行李箱应用。 更具体地,本发明涉及与聚丙烯相容的PP和弹性体的共混物在注射成型单元筒中被加热熔化。 根据产品设计和结构,混合物的熔融材料以预定比例的PP-60至90%和与聚丙烯相容的弹性体(40至10%)结合在一起(例如 - Engage,Ethyl vinyl acetate(EVA) 以提供具有分子连续性的单一材料类型,简而言之,通过各聚合物的分子性质提高材料性能,导致行李箱制造为“不破裂”[此后行李箱的改性聚丙烯组合物 称为“K-PP”],还涉及从所述材料制造各种行李箱。