ENROULEMENT DE FERMETURE A GLISSIERE

摘要

1348010 Slide fastener elements SCOVILL MFG CO 16 Aug 1971 [21 Aug 1970] 38408/71 Heading E2S A coil 18 for a slide fastener 10 of the "invisible" type (see Fig. 1) has a series of identical convolutions 22 of plastics filament each having an enlarged connecting head 30. Each of the convolutions has an indentation 32 to prevent slippage of stitching 20 and a protruding part or knob 36 which engages with the tape edge to prevent slippage of the fastener elements.