Single facer with small intermediate corrugating roll

Details Single facer with small intermediate corrugating roll Single facer with small intermediate corrugating roll

1997-05-13

1999-09-14

Aftergut, Jeff H.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With bending, folding, winding, or wrapping means

156470, 156471, 156473, 156582, 156196, 156199, 156205, 156210, B31F 100, B31F 8100, B31F 120, B31F 122

Patent

active

059518162

ABSTRACT:
The labyrinth path in the corrugating nip of a single facer is substantially reduced by utilizing a small diameter corrugating roll captured between a larger diameter conventional corrugating roll and a backing roll arrangement. The smaller diameter corrugating roll is captured to prevent bending thereof under corrugating loads. The corrugator may be operated at high speeds without the adverse increase in labyrinth path and web tension characteristic of a pair of large diameter corrugating rolls.

REFERENCES:
patent: 1519280 (1924-12-01), Wandel
patent: 2977247 (1961-03-01), Lutz
patent: 5728256 (1998-03-01), Schulz et al.

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