Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With bending – folding – winding – or wrapping means
Patent
1978-09-06
1981-02-17
Goolkasian, John T.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With bending, folding, winding, or wrapping means
156205, 156210, 156285, 156462, 156499, 156582, 156472, 425388, 264286, B31F 100
Patent
active
042513138
ABSTRACT:
A paper web is passed between a pair of first and second corrugating rolls to form corrugations therein. The second corrugating roll is provided with a plurality of longitudinally spaced annular suction grooves in communication with a suction device from which subatmospheric pressure is applied through the annular suction grooves to the corrugated web, while it is travelling around the second corrugating roll, retaining the corrugations in the flutes of the roll.
REFERENCES:
patent: 2068155 (1937-01-01), Swift
patent: 3837973 (1974-09-01), Asakura et al.
patent: 4177102 (1979-12-01), Tokuno
Boland Lois E.
Goolkasian John T.
Isowa Industry Co., Ltd.
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