B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 49/00 (2006.01) B29C 47/12 (2006.01) B29C 33/36 (2006.01)
Patent
CA 2507050
Disclosed is a device (10) for producing transversely ribbed pipes, comprising half-dies (16) which rest against each other while being movable in a revolving manner along two endless guide rails (14) by means of an associated drive unit (38). The two guide rails (14) encompass a common molding section (18), a respective return section (20), and two respective deflecting sections (22, 24). Each deflecting section (22, 24) is provided with a deflecting member (26, 28) that is embodied with a clothoid-type guiding edge (40) in order to prevent undesired jumping of the half-dies (16) at the transition between the respective return section (20) and the adjacent deflecting section (22, 24) as well as at the transition between the respective deflecting section (22; 24) and the adjacent molding section (18) and vice versa, thereby increasing the speed of advancement of the half-dies (16) and improving the productivity of the inventive device (10).
La présente invention concerne un dispositif (10) conçu pour produire des tubes à nervures transversales comprenant des demi-mâchoires (16) qui peuvent se déplacer en continu de manière adjacente le long de deux voies de guidage continues (14), respectivement au moyen d'un dispositif d'entraînement associé (38). Ces deux 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) comprend un organe de déviation (26; 28) qui présente un bord de guidage (40) de type clothoïde permettant d'empêcher un saut indésirable des demi-mâchoires (16) à la transition entre chaque section de retour (20) et la section de déviation adjacente (22; 24) et à la transition entre chaque section de déviation (22; 24) et la section de moulage adjacente (18) et inversement, ce qui permet d'augmenter la vitesse d'avance des demi-mâchoires (16) et d'améliorer la productivité du dispositif (10).
Foesel Stefan
Hofmann Guenther
Gowling Lafleur Henderson Llp
Unicor Gmbh Rahn Plastmaschinen
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