HEAT-RECOVERABLE ARTICLE
    6.
    发明授权
    HEAT-RECOVERABLE ARTICLE 失效
    热修复制品

    公开(公告)号:EP0680581B1

    公开(公告)日:1999-06-16

    申请号:EP94906649.2

    申请日:1994-01-20

    IPC分类号: F16L58/10 B29C61/06

    摘要: A heat-recoverable article (2) with improved impact strength and increased resistance to swelling. The article is composed of a first backing layer (6), a second inner layer (8), and an optional adhesive layer (10), e.g. a hot-melt adhesive or a mastic. In one aspect, the article comprises a first layer (6), a second layer (8), and an adhesive (10) which is capable of swelling the first layer. In another aspect, the article has a thickness of 10x and comprises a first polymeric backing layer (6) which contains a particulate filler, and has a thickness which is at least 0.13 mm and is 1x to 5x, and a second polymeric inner layer (8) which contains substantially no particulate filler, and has a thickness of 5x to 9x. Also disclosed is an assembly in which an article of the invention is in contact with a substrate (4), e.g., a pipe, a pier, or a support element for a structure. Articles of the invention are particularly useful in protecting steel pipes and gas risers from corrosion in areas such as the splash zone (18) in which they are subject to heavy wave action.

    COMPOSITE METAL TUBE AND METHOD OF MAKING THE SAME
    7.
    发明授权
    COMPOSITE METAL TUBE AND METHOD OF MAKING THE SAME 失效
    涂覆的金属管与工艺生产同样

    公开(公告)号:EP0616671B1

    公开(公告)日:1998-01-28

    申请号:EP93901324.9

    申请日:1992-12-11

    IPC分类号: F16L58/10 F16L9/14

    摘要: A composite small-diameter tubing (18) resistant to interaction with materials conveyed therethrough such as liquids containing alcohols or corrosive agents which includes a cylindrical outer metal conduit (12) having a hollow central shaft extending longitudinally therethrough defined by an interior wall; and a continuous non-reactive interior tube (18) surrounded by and positioned within the cylindrical metal conduit. The tubing (18) can be manufactured by a process which includes the steps of a) positioning a length of non-reactive tubing (18) having a predetermined outer diameter within an inner diameter of metal tubing (12) of essentially corresponding length, the metal tube (12) having an unsealed side seam, wherein the inner diameter is greater than the outer diameter of the non-reactive tubing; and b) sealing and reducing the metal tubing (12) to an outer diameter essentially equal to the predetermined outer diameter of the interior tubing (18). The non-reactive interior tube (18) may be made of a suitable polymeric material.

    Leitungsrohr mit einer wärme- und/oder schallisolierenden Hülle
    10.
    发明公开
    Leitungsrohr mit einer wärme- und/oder schallisolierenden Hülle 失效
    Leitungsrohr mit einerwärme-und / oder schallisolierendenHülle

    公开(公告)号:EP0732533A1

    公开(公告)日:1996-09-18

    申请号:EP96103230.7

    申请日:1996-03-02

    IPC分类号: F16L58/10

    CPC分类号: F16L58/109

    摘要: Zur Vermeidung umweltschädlicher schwermetallhaltiger, insbesondere bleihaltiger Zusätze weist die auf Basis von Weich-PVC bestehende wärme- und/oder schallisolierende Hülle eines Leitungsrohrs, beispielsweise für die Hausinstallation, neben 20 bis 40 Gew.% Kreide als Füllstoff und 20 bis 30 Gew.% langkettig verzweigter Phtalsäureester als Weichmacher noch 1 bis 3 Gew.% eines bleifreien Stabilisators auf. Vorzugsweise kann als Stabilisatorsystem eine organische Kalzium- und Zink-haltige Verbindung verwendet werden, bei der das Verhältnis von Kalzium zu Zink im Bereich von 3 : 1 bis 30 : 1 liegt.

    摘要翻译: 管道,尤其是 用于管道的铜管,具有由塑料混合物制成的隔热和/或隔音护套。 (一) 20-40重量%白垩,20-30重量%长链支链邻苯二甲酸酯和1-3重量%无铅稳定剂,其余由PVC制成。 至少35重量%。