Apparatus for thermally treating polymeric workpieces with micro

Details Apparatus for thermally treating polymeric workpieces with micro Apparatus for thermally treating polymeric workpieces with micro

1975-07-17

1977-07-12

Reynolds, Bruce A.

Electric heating

Metal heating

Of cylinders

219 1055F, H05B 906

Patent

active

040355985

ABSTRACT:
A prismatic waveguide of square or rectangular cross-section has at least one pair of opposite inner wall surfaces formed with inwardly projecting parallel cheeks extending along a treatment zone for elongate polymeric workpieces, the width of the cheeks being less than the spacing of the other pair of inner wall surfaces from each other. The waveguide is split along a median parting plane, bisecting this pair of cheeks, to facilitate separation of its two halves by relative tilting about a pivotal axis, the two halves adjoining each other along quarter-wavelength flanges parallel to that plane preventing the outward leakage of microwave energy.

REFERENCES:
patent: 3465114 (1969-09-01), Bleackley et al.
patent: 3555232 (1971-01-01), Bleackley
patent: 3843861 (1974-10-01), Van Amsterdam

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