公开(公告)号：WO2006079352A1

公开(公告)日：2006-08-03

申请号：PCT/EP2005/000685

申请日：2005-01-25

Applicant: PIRELLI PNEUMATICI S.P.A. ,  DAGHINI, Guido ,  CEREDA, Giuseppe

Inventor： DAGHINI, Guido ,  CEREDA, Giuseppe

IPC: B60C15/04 ,  B29D30/48

CPC classification number: B60C15/04 ,  B29D30/50 ,  B60C9/0057 ,  B60C2009/2219 ,  B60C2015/048 ,  D07B1/0633 ,  D07B1/0646 ,  D07B2201/2033 ,  D07B2201/2089 ,  D07B2501/2053

Abstract: The present invention relates to a truck pneumatic tyre, the bead core of which comprising: a) a plurality of coils of at least one metallic wire, said coils being radially superimposed and axially arranged side-by-side with respect to one another, and b) a retaining member enveloping said plurality of coils, said retaining member comprising a plurality of mutually substantially parallel elongated reinforcing elements that comprise at least one preformed threadlike metallic element.

Abstract translation: 本发明涉及一种卡车充气轮胎，其胎圈芯包括：a）至少一根金属线的多个线圈，所述线圈相对于彼此并排地径向重叠并且轴向布置，并且 b）包围所述多个线圈的保持构件，所述保持构件包括多个相互基本上平行的细长加强元件，其包括至少一个预成型的线状金属元件。