Heatable winding drum construction for use in manufacturing plas

Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Longitudinally progressive helical winding means

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Details

156195, 15624413, 219469, 264281, 264DIG68, 425403, 425DIG7, B31C 1300, B65H 8100

Patent

active

045444358

ABSTRACT:
A heatable winding drum construction for use in the manufacture of thermoplastic tubes and receptacles comprises an internal supporting structure for an elongated cylindrical wall with an insulating layer between the supporting structure and the wall.

REFERENCES:
patent: 1624029 (1927-04-01), Whitcomb
patent: 3185816 (1965-05-01), Lusebrink
patent: 3482013 (1969-12-01), Dicks et al.
patent: 4009236 (1977-02-01), Katsuta
patent: 4349490 (1982-09-01), Bos

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