Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1980-06-23
1982-11-02
Massie, Jerome W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
15624418, 156252, 156259, 156264, 156292, 1563082, 156500, 156517, 156519, B29C 2908
Patent
active
043571905
ABSTRACT:
This application discloses the method and apparatus for manufacturing plastic tubing which comprises a rigid semiround, triangular, or the like top section and a flat base of flexible sheet-like material. The manufacturing comprises the steps of or apparatus for (a) extruding a sleeve of thermoplastic material, (b) blow molding a corrugated generally tubular structure, (c) cooling the generally tubular structure, (d) splitting the generally tubular structure into a pair of semiround corrugated tubing structures, (e) bonding a strip of sheet-like material across the open base of the semiround tubing, (f) folding the semiround tubing longitudinally to a flattened configuration, and (g) coiling the tubing in its flattened configuration.
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Fouss James L.
Parker John J.
Sting Donald W.
Hancor, Inc.
Massie Jerome W.
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