Method of molding a separable bottom stop assembly on a...

B - Operations – Transporting – 29 – D

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B29D 5/00 (2006.01) A44B 19/00 (2006.01) A44B 19/36 (2006.01) A44B 19/38 (2006.01) A44B 19/60 (2006.01)

Patent

CA 2116390

A method of molding a separable bottom stop assembly on a concealed slide fastener, comprising: forming a number of space portions devoid of fastener elements at predetermined intervals in a concealed slide fastener; impregnating molten synthetic resin in fastener tapes at areas around the space portion; heaet-molding and hardening the tapes in such a manner that confronting edge portions of the tapes are turned over; cutting the tapes across the space portion; injection molding a second pin member of the separable bottom stop assembly on the edge portion of one tape and a first pin member of a box member on the edge portion of the other tape at the space portion, contiguously to the fastener elements; and attaching a box to the first pin member to complete the box member. The result is that a separable concealed slide fastener, which could not be put to practical use conventionally, can be manufactured simply.

L?invention concerne une méthode de moulage d'une butée amovible sur une fermeture à glissière dissimulée consistant à former un certain nombre d'espaces dépourvus d'éléments de fixation à intervalles prédéterminés dans une fermeture à glissière dissimulée; à imprégner de la résine synthétique fondue dans les rubans autour des espaces, à mouler à chaud et à durcir ces rubans de manière que leurs bords opposés soient retournés, à couper les rubans au travers des espaces, à mouler par injection une deuxième cheville de la butée amovible sur le bord d'un ruban et une première cheville d'une boîte compartiment sur le bord de l'autre ruban au droit de l'espace, contigu aux éléments de fixation, et à attacher une boîte à la première cheville pour compléter l'ensemble. On obtient ainsi une fermeture à glissière dissimulée simple à fabriquer.

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