Heating elements for thermoplastic lamination

Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With bending – folding – winding – or wrapping means

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Details

156185, 219552, 338254, 338283, 338293, B65C 100

Patent

active

043680933

ABSTRACT:
Laminated heating elements are provided which are suitable for joining synthetic resinous thermoplastic bodies particularly thermoplastic foams. The heating elements are of laminar structure having at least two oppositely disposed heating elements which electrically may be fed in parallel. A significant improvement in rigidity and resistance to mechanical abuse is achieved.

REFERENCES:
patent: 1050912 (1913-01-01), Bolling
patent: 1282476 (1918-10-01), Simon
patent: 2518941 (1950-08-01), Satchwell et al.
patent: 4175998 (1979-11-01), Hay et al.

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