Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1977-06-14
1978-10-17
Drummond, Douglas J.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156265, 156272, 156285, 156435, 156519, B32B 3118
Patent
active
041207130
ABSTRACT:
A web-like fibrous material consisting of fibres standing on end is produced from a starting material consisting of a web-like fibrous material, in which the fibres are oriented substantially transversely or longitudinally of the web. The starting material is cut into strips which in well-known manner are arranged side by side with the fibres standing on end. It is the object of the invention to eliminate the spaces or interfaces between these strips in a more efficient manner than has hitherto been possible. To this end, the side-by-side pattern of strips is deposited on a moving intermediary supporting surface, on which they are retained by an attractive force directed towards said surface and are at the same time subjected to a spreading action transversly of the strips, whereafter the fibres are deposited at a second depositing position on a moving product receiving surface while at the same time interrupting the attractive force acting on the fibres being deposited.
The attractive and spreading forces may particularly be produced by suction of air through perforations of the intermediary supporting surface and/or by electrostatically charging that surface.
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Bruhn Esben
Jensen Finn Ulrik Hansen
Nielsen Per Drengsgaard
A/S Weston Taeppefabrik
Ball Michael W.
Drummond Douglas J.
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