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Perforating, Stamping-Out Or Severing By Means Other Than Cutting
(AREA)
Package Frames And Binding Bands
(AREA)
Abstract
Lamina perforada perfeccionada que se caracteriza, esencialmente, porque para evitar definitivamente todo riesgo de rasgadura por la conjunción de cualquier e intempestivo esfuerzo de tracción y los de cortadura que en tal circunstancia ejercen les medios de sujeción, presenta alrededor de cada una de sus perforaciones de sujeción y por ambas caras, incorporadas por plastificación, sendas arandelas protectoras de material sintético termoplástico.
Anordning vid symaskin vid sömnad av plana arbetsstycken på basis av termoplastmaterial, särskilt tyger eller folier jämte en modifikation av sådan anordning