Apparatus for the production of transversely ribbed tubes

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 49/38 (2006.01) B29C 47/12 (2006.01) B29C 49/00 (2006.01) B29C 49/42 (2006.01)

Patent

CA 2507063

Described is an apparatus (10) for the production of transversely ribbed tubes comprising mold jaw halves (16) which are movable in a condition of bearing against each other along two guide paths (14). The guide paths (14) have a common mold section (18), a respective return section (20) and two respective direction-changing sections (22; 24). The respective direction-changing section (22, 24) has a direction-changing member (26; 28) which is linearly movably guidedly arranged on a base element (38) fixed with respect to the machine and which is connected to a compensating device (42) which is provided to compensate for the tolerance play of the mold jaw halves (16) which circulate along the associated guide path (14), said tolerance play being dependent on the temperature and/or the speed of the mold jaw halves (16).

La présente invention concerne un dispositif (10) conçu pour produire des tubes à nervures transversales comprenant des demi-mâchoires (16) qui peuvent se déplacer de manière adjacente le long de deux voies de guidage (14). Ces voies de guidage (14) présentent une section de moulage commune (18), respectivement une section de retour (20) et respectivement deux sections de déviation (22; 24). Chaque section de déviation (22; 24) présente un organe de déviation (26; 28) qui peut être guidé selon un déplacement linéaire sur un élément de base (38) fixé sur la machine et qui est relié à un système de compensation (42) permettant de compenser un écart de tolérance, fonction de la température et/ou de la vitesse des demi-mâchoires (16), des demi-mâchoires (16) circulant le long de la voie de guidage associée (14).

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