Concrete pipe fabrication

Details Concrete pipe fabrication Concrete pipe fabrication

B - Operations, Transporting

28

B

B28B 21/14 (2006.01) B06B 1/18 (2006.01) B28B 21/28 (2006.01) B28B 21/56 (2006.01)

Patent

CA 2103437

An improved combination counter rotating packerhead and vibrator assembly is provided. A counter rotating packerhead comprising counter rotating roller assemblies, longbottom assemblies or a combination thereof is disposed directly over an annular pneumatic vibrator. The coaxial drive shaft for the counter rotating packerhead passes through the vibrator thereby permitting the power transmission means to be located below, and isolated from, the vibrator. The vibrator is disposed below, but adjacent to, the counter rotating packerhead for faster pipe production.

Combinaison améliorée d'une tête à garnissage contrarotative et d'un vibrateur. Une tête à garnissage contrarotative comprenant des ensembles de rouleaux contrarotatifs , des ensembles de manchon long ou une combinaison de ces composants est disposée directement au-dessus d'un vibrateur pneumatique annulaire. L'arbre d'entraînement coaxial de la tête à garnissage contrarotative passe à travers le vibrateur, permettant de ce fait au matériel de transmission d'être situé au-dessous du vibrateur, et isolé de ce dernier. Le vibrateur est disposé au-dessous, mais au voisinage, de la tête à garnissage contrarotative pour assurer une production plus rapide de tuyaux.

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