Patent ID: 8695672
Filing Date: 2014-04-15
Classification: B29C,B29K,B29L,B65B,F16F

Abstract:
1. A sealing element for integration into a sealing tool for producing smooth stamping fields during the sealing of two plastic sheets, the sealing element comprising: a base body comprising an upper surface, a lower surface for exerting a sealing force on the plastic sheets, two opposing narrow lateral surfaces and two opposing wide lateral surfaces, a first slot and a second slot formed in the base body to form a spring element, wherein the first slot extends into the base body from a first narrow lateral surface and the second slot, which is offset vertically from the first slot, extends into the base body from a second narrow lateral surface in such a way that the first and second slots define a section of the base body which comprises substantially the shape of an S or reversed S, wherein the first slot has a U-shape with a first leg of the first slot being longer than a second leg of the first slot, and the second slot has a U-shape with a first leg of the second slot being longer than a second leg of the second slot, and wherein each of the first and second slots expands at its inner end to form a bore.