Rotatable sheet support structure for a twin-sheet thermoformer

Details Rotatable sheet support structure for a twin-sheet thermoformer Rotatable sheet support structure for a twin-sheet thermoformer

B - Operations, Transporting

29

C

B29C 51/26 (2006.01) B29C 51/18 (2006.01) B29C 51/22 (2006.01) B29C 49/00 (2006.01) B29C 51/08 (2006.01) B29C 51/10 (2006.01) B29C 51/14 (2006.01)

Patent

CA 2248816

Multiple legs elevate a central ring bearing, to which a ring-shaped rotatable plastic sheet support carousel is mounted. The carousel is fitted with a ring gear which engages with a drive system to position the carousel and the thermoplastic sheets supported from it. A multi-post vertical press is positioned with two posts extending upwardly interior to the ring bearing, and two posts extending upwardly exterior to the ring bearing. The ring bearing thus extends through the press, allowing the carousel to supply and remove plastic sheets to and from the press. An upper platen and a lower platen are mounted for vertical displacement to the posts, thereby ensuring a high degree of parallelism between the molds mounted to the platens, and accurate twin-sheet thermoforming.

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