Device and method for welding two polymer parts via fusion

Details Device and method for welding two polymer parts via fusion Device and method for welding two polymer parts via fusion

2007-05-16

2011-11-01

Pelham, Joseph M (Department: 3742)

Electric heating

Heating devices

With heater-unit housing, casing, or support means

C219S535000, C219S553000

Reexamination Certificate

active

08049146

ABSTRACT:
The invention relates to a device and a method for welding two polymer parts via fusion using a heater mat knitted from a resistive wire coated with an insulating varnish, the heater mat being given a final shape. The heater mat is resistive wire having a diameter ranging from 0.2 mm to 0.3 mm, and has approximately parallelepiped meshes, the dimensions of which range from 1.5×3 mm2to 2.5×4.5 mm2.

REFERENCES:
patent: 5141580 (1992-08-01), Dufour et al.
patent: 5500511 (1996-03-01), Hansen et al.
patent: 2004/0038023 (2004-02-01), Hartley et al.
patent: 0 430 762 (1991-06-01), None
patent: 1.473.009 (1967-03-01), None
patent: 5-138742 (1993-11-01), None

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