Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With bending – folding – winding – or wrapping means
Patent
1990-05-30
1992-06-16
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, 156471, B31F 124
Patent
active
051222213
ABSTRACT:
Disclosed is a single facer having a first fluted roll unit consisting of a pair of radially outer and radially inner rolls, a second fluted roll unit also consisting of a pair of similar radially outer and radially inner rolls, and a press roll, wherein the press roll is designed to be selectively operated in combination with either one of the two fluted roll units before the forming operation is started; characterized in that the first fluted roll unit is disposed at a predetermined angle with respect to a vertical plane above the press roll and the second fluted roll unit is disposed vertically below the press roll; and flutes formed upon the surfaces of the radially outer and radially inner rolls of the second fluted roll unit are designed to be smaller than the flutes formed upon the surfaces of the radially outer and radially inner rolls of the first fluted roll unit.
REFERENCES:
patent: 3671361 (1972-06-01), Morrison
patent: 3919029 (1975-11-01), Osgood
patent: 4531996 (1985-07-01), Sukenik
patent: 4814038 (1989-03-01), Hayashi et al.
Isowa Eiichi
Yasui Toshihiko
Ball Michael W.
Isowa Industry Company Ltd.
Yoder Michele K.
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