Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With bending – folding – winding – or wrapping means
Patent
1980-10-24
1982-08-24
McCamish, Marion
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With bending, folding, winding, or wrapping means
156470, 156475, E04C 226
Patent
active
043459641
ABSTRACT:
Described is an apparatus for the application of a thin non-woven web of glass or mineral fibers onto corrugated sheet perpendicularly to the corrugation which comprises a rectangular frame open at the top and bottom and having parallel vertical walls, wherein the frame is provided with wheels and supported on rails above the sheet material which is supported by a matrix on working-level above the floor and coated with a layer of a solidifying glue. An applicator plate is mounted vertically movable in guideways at two opposite walls of the frame and adapted with its bottom edge to follow the corrugations of the sheet to bring the fibrous web into close contact with the glue-coated sheet. Because of the delicacy of the fibrous web of material, the lower end of the applicator plate which is adapted to press the web of material against the sheet, must be rounded. However, with the forward and backward flutes in the valleys of the corrugations, having a radius of about 3 mm, the lower end of the applicator plate presents two rounded edges each having a radius of curvature of at the most about 3 mm. In order to provide for a close contact between the rounded edges of the applicator plate and the respective forward and backward flutes in the valleys of the corrugations, the applicator plate is adapted by means of a sensor-controlled driving device to be swung periodically to and fro with a deflection of about 3.degree.-5.degree. from the vertical line in either direction according as the frame is being moved by means of a driving device at a constant velocity over the sheet perpendicularly to the corrugations with the applicator plate following the corrugations of the sheet.
REFERENCES:
patent: 3682747 (1972-08-01), Munters
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