Single facer

Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With bending – folding – winding – or wrapping means

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Details

156210, 425369, B31F 128

Patent

active

046311092

ABSTRACT:
A single facer of the type wherein a core paper sheet is corrugated by means of a pair of upper and lower corrugated rolls and has its crest portions applied with paste, and then a liner introduced from a different direction is pasted on the corrugated core sheet while passing between the lower corrugated roll and a pressure roll to form a single-faced corrugated sheet, is improved in that at least one pair of additional upper and lower corrugated rolls having a different shape of corrugation from first mentioned pair of upper and lower corrugated rolls are supported on a rotatable frame jointly with the first pair of upper and lower corrugated rolls, and structure for rotating the rotatable frame is provided.

REFERENCES:
patent: 3455767 (1969-07-01), Meister
patent: 3919029 (1975-11-01), Osgood
patent: 3994768 (1976-11-01), Roberts

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