Patent ID: 9623599
Date: 2017-04-18
CPC Classifications: B29C,F16J

Claim:
1. A seal for use in an extrusion device for producing continuous profiles, said seal comprising: an elastic sealing disc arranged in a plane substantially perpendicular to an extrusion direction and having a through-passage opening for passage of a continuous profile, said sealing disc having a sealing rim for bearing against the continuous profile, and connection members arranged along the sealing rim, said sealing disc having two layers which are securely connected with one another; and a clamping means configured to exert a force on the connection members in radial relationship to an extrusion axis and arranged in a plane parallel to the sealing disc, said clamping means including clamping elements arranged to actively modify a diameter of the opening and connecting means configured to connect the connection members to the clamping elements, wherein the clamping elements of the clamping means are configured as wire cables aligned radially with respect to the extrusion axis.