Thermoformable web support apparatus and support device for...

Details Thermoformable web support apparatus and support device for... Thermoformable web support apparatus and support device for...

2006-05-09

2006-05-09

Matecki, Kathy (Department: 3654)

Advancing material of indeterminate length

By fluid current

Floating web

C242S615110, C198S721000, C226S196100, C219S388000

Reexamination Certificate

active

07040519

ABSTRACT:
A web conveyor is provided having a frame, a pair of conveyor rails, and at least one sag rail. The pair of conveyor rails is carried by the frame in laterally spaced-apart relation. The pair of conveyor rails is configured to support and convey respective edges of a thermoformable web of plastic material. The at least one sag rail includes a friction-reducing material provided along at least a portion of a top edge of the sag rail. The sag rail is provided between the conveyor rails and extends longitudinally along a web travel path. The sag rail is configured to support a web of material intermediate the conveyor rails. A web support apparatus having one or more of friction-reducing material, local, raised portions, and a temperature regulator is also provided.

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patent: 6723960 (2004-04-01), DiMartino et al.

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