IMPROVED RETAINER WITH HOOKS Russian patent published in 2020 - IPC B29C41/28 B29C43/22 B29C43/46 B29C53/00 A44B18/00 

Abstract RU 2738177 C2

FIELD: closing systems.

SUBSTANCE: invention relates to closure systems with hooks and to corresponding methods and apparatus for their production. Holding device (300) with hooks includes resilient film (310) extending in longitudinal direction; and plastic strip (100) extending in the longitudinal direction and comprising base (51) having lower surface (512) and upper surface (511), and including a plurality of retaining elements extending from said top surface (511). Film (310), base (51) and retaining elements are formed as a whole by means of extrusion. Film (310) has residual deformation of less than 30 % after elongation by 100 % of its initial size at ambient temperature (23 °C).

EFFECT: invention provides holding device with hooks connected with support, which allows to simplify its introduction into product, in which adhesive is not used or at least its use is minimized, providing profitability and excluding damage to retainer or article.

23 cl, 18 dwg

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RU 2 738 177 C2

Authors

Bosse Damen

Mae Antoni

Dates

2020-12-09Published

2017-04-28Filed