Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With bending – folding – winding – or wrapping means
Patent
1998-09-11
2000-09-05
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With bending, folding, winding, or wrapping means
156470, B31F 128
Patent
active
061127930
ABSTRACT:
A device for production of corrugated cardboard, comprising a first fluted roller (1) and a second fluted roller (2) together forming a corrugating gap (3), a pressure contact roller (4) forming a pressure contact gap (5) together with the second fluted roller (2), feeding means (18) to feed a corrugating strip (16) to the corrugating gap (3) in which the corrugating strip (16) is deformed to make the corrugated strip (20), feeding means (26, 28) to feed a smooth strip (24) to the pressure contact gap (5) in which the smooth strip (24) is pressed into contact with the corrugated strip (20) with an intermediate glue layer to produce a composite strip, and advancing means (36, 38, 40) to advance the composite strip (34) formed by bonding the corrugated strip (20) to the smooth strip (24). Each of the two fluted rollers (1, 2) has a fluted profile on its periphery with profile peaks (PS1, PS2) and profile valleys (PT1, PT2) cooperating in the corrugating process. Successive profile peaks (PS1, PS2) and profile valleys (PT1, PT2) of each fluted roller (1, 2) are joined to each other by profile flanks (PF1, PF2). Further, the profile peaks (PS1, PS2) of each fluted roller (1, 2) have a sharper curvature than the profile valleys (PT2, PT1) of the meshing fluted roller that cooperates to produce corrugation. At the same time, the profile peaks (PS1) of the first fluted roller (1) are provided with a sharper curvature than the profile peaks (PS2) of the second fluted roller (2) and that the profile valleys (PT1) of the first fluted roller (1) are provided with a flatter curvature than the profile valleys (PT2) of the second fluted roller (2).
REFERENCES:
patent: 1971667 (1934-08-01), Weeks
patent: 2717423 (1955-09-01), Uhlig et al.
patent: 2838416 (1958-06-01), Babiarz et al.
patent: 3053309 (1962-09-01), Wilson
patent: 4101367 (1978-07-01), Maier
patent: 4531996 (1985-07-01), Sukenik
Excerpt from English language version of document referred to on p. 6, line 15 of specification.
Ball Michael W.
Friedman Allen N.
Musser Barbara
Peters Maschinenfabrik GmbH
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