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Horst Muegge

Armin Dommer

Matthias Graf

Rudolf Emmerich

Michael Jauss

Klaus Martin Baumg&auml;rtner

Ulf K&ouml;nekamp

An apparatus for the heating of pressed stock in the manufacture of boards of material or in the manufacture of veneer panels. The apparatus includes a microwave preheating device having rod antennae disposed in series, reflective shields, and a heating cell configured as a continuous oven in which the introduction of microwaves into the pressed stock takes place via the rod antennae. The rod antennae are attached to lie horizontally and transversely to the direction of production above, below, or above and below the pressed stock within the heating cell. The reflective surfaces are assigned to the rod antennae on the opposite sides of the pressed stock.

Apparatus for the heating of pressed stock in the manufacture of boards of material

Device for heating components &prime; of a microwave-absorbing plastic material, said device incorporating a microwave generator which generates microwaves of a particular frequency, an antenna with at least one free end &prime; to which the microwaves are conducted, and an enclosure surrounding and shielding the antenna with a heating zone &prime; provided between the free end &prime; of the antenna and the shielding enclosure for the localized heating of the components &prime;, said device featuring in the area of the heating zone &prime; at least one temperature sensor &prime; which is interactively unaffected by the microwaves and which is capable of determining the temperature of the component &prime; during the heating process. This device in combination with the associated process for heating components &prime; permits the monitoring of the temperature in the heating zone &prime;, thus ensuring a consistent quality level of the heated components.

Device and method of heating components made of microwave absorbing plastic

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Reichelsheim, Germany

Horst Muegge