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    POLYAMIDE-BASED SYNTHETIC SAUSAGE CASING ABLE TO BE FILLED WITHOUT STRETCHING AND METHOD OF PRODUCTION THEREOF
    46.
    发明公开
    POLYAMIDE-BASED SYNTHETIC SAUSAGE CASING ABLE TO BE FILLED WITHOUT STRETCHING AND METHOD OF PRODUCTION THEREOF 审中-公开
    聚酰胺为基础的膨胀而不用于生产可填写人造肠衣和过程

    公开(公告)号：EP2575482A2

    公开(公告)日：2013-04-10

    申请号：EP11761411.5

    申请日：2011-05-23

    申请人： Obschestvo s Ogranichennoi Otvetstvennostyu Proizvodstvenno-Kommercheskaya Firma Atlantis Pak

    发明人： BORODAEV, Sergei Vasilievich ,  GOLYANSKIY, Boris Vladimirovich ,  RYZENKO, Sergei Petrovich

    IPC分类号： A22C13/00

    CPC分类号： A22C13/0013 ,  A22C2013/0063 ,  A22C2013/0083

    摘要： The invention relates to single- or multilayer synthetic heat-shrinkable sausage casings that one can fill without preliminary humidification and virtually without stretching and make as a result taut sausages, and also relates to a method of production of such casings. At least one polyamide layer of the casing is made of polyamide resin based on at least one aliphatic (co)polyamide, selected from polyamide-6, polyamide-66 or copolyamide-6/66. The casing, being ready to be filled, has following characteristics: the Young's modulus is not less than 300 MPa in the machine direction and not less than 400 MPa in the transverse direction; on exposure to an air with relative humidity 60% and a temperature of 25°C for 5 days its shrinkage value is no more than 2% both in the machine and transverse directions; on exposure to a water with temperature 40°C for 2 hours its shrinkage value is 3-10% in the machine direction and 4-10% in the transverse direction; on exposure to water with temperature 80°C for 30 minutes its shrinkage value is 8-15% in the machine direction and 9-18% in the transverse direction. The method of production of such sausage comprises extrusion of single- or multilayer extrudate, resulting in tubular film, orientation drawing and thermofixation of the tubular film, and the subsequent additional treatment. The subsequent treatment consists in additional drawing of the oriented thermofixed tubular film, having temperature of 60-140°C, by 3-8% in the machine direction and 4-10% in the transverse direction; subsequent cooling of this tubular film, while it is in the drawn (strained) state, to the temperature that is not higher than glass transition temperature of the polyamide composition of the polyamide layer; and its winding up on a core. Said steps of the process can be performed at the aggregate that is either built in the line for accomplishment of the previous steps of process, or at a separate machine.

    MEHRSCHICHTIG COEXTRUDIERTE BIAXIAL GERECKTE FASERVEREDELTE NAHTLOSE SCHLAUCHHÜLLE SOWIE DEREN VERWENDUNG ALS NAHRUNGSMITTELHÜLLE
    49.
    发明授权
    MEHRSCHICHTIG COEXTRUDIERTE BIAXIAL GERECKTE FASERVEREDELTE NAHTLOSE SCHLAUCHHÜLLE SOWIE DEREN VERWENDUNG ALS NAHRUNGSMITTELHÜLLE 有权
    MEHRSCHICHTIG COEXTRUDIERTE BIAXIAL GERECKTE FASERVEREDELTE NAHTLOSESCHLAUCHHÜLLESOWIE DEREN VERWENDUNG ALSNAHRUNGSMITTELHÜLLE

    公开(公告)号：EP1663636B1

    公开(公告)日：2009-09-30

    申请号：EP04763701.2

    申请日：2004-08-02

    申请人： CaseTech GmbH & Co. KG

    发明人： TÖBBEN, Wilhelm ,  HENZE-WETHKAMP, Heinrich

    IPC分类号： B32B1/08 ,  B32B27/12 ,  B32B27/34 ,  A22C13/00

    CPC分类号： B32B27/08 ,  A22C13/0013 ,  A22C2013/002 ,  A22C2013/0053 ,  A22C2013/0073 ,  A22C2013/0083 ,  B32B1/08 ,  B32B27/12 ,  B32B27/306 ,  B32B27/32 ,  B32B27/34 ,  B32B2262/062 ,  B32B2307/518 ,  B32B2307/7244 ,  B32B2323/04 ,  B32B2331/04 ,  B32B2377/00 ,  B32B2439/70 ,  Y10T428/1393

    摘要： The invention relates to an at least three-layered, coextruded, tubular shaped, biaxially stretched, seamless tube covering, containing, described from the outside inward, a) an outer layer A containing a polyamide or a mixture or several polyamides as main components b) optionally, a layer B comprising oxygen inhibiting characteristics, c) optionally, a core layer C containing a polyamide or a mixture of several polyamides as main components, d) a layer D acting in an adhesive manner in relation to the adjacent layers C, B or A and the adjacent layer E, e) an inner layer E containing a polyamide or a mixture of several polyamides as main components, f) optionally, additional layers and additives, and g) at least one natural fibre layer having a fibre length ranging from 5 - 10 000 ñm and/or a mixture of natural fibres made of various types of fibres and/or lengths of fibres. The invention also relates to the use thereof as food coverings.

    摘要翻译： 本发明涉及一种至少三层共挤出的管形双轴拉伸无缝管覆盖物，其包含从外部向内描述的a）包含聚酰胺或混合物或几种聚酰胺作为主要组分b的外层A ）任选地，包含氧抑制特性的层B，c）任选地，包含聚酰胺或几种聚酰胺的混合物作为主要组分的芯层C，d）相对于相邻层C以粘合方式起作用的层D， B或A和相邻层E，e）含有聚酰胺或几种聚酰胺混合物作为主要组分的内层E，f）任选的附加层和添加剂，以及g）至少一个具有纤维长度的天然纤维层 范围从5至10 000微米和/或由各种类型的纤维和/或纤维长度制成的天然纤维的混合物。 本发明还涉及其作为食物覆盖物的用途。