Prc Inc.

Other

Ronald D Young

Carl J Nilsen

Charles M Sharp

Joseph P Wachter

A laser fluid control apparatus and method provide selective, precise control of the fluid supplied to the laser. The flow of the fluid to the laser can be automatically adjusted according to a selected, programmed control to provide a high volume of the fluid to the laser during initial operation of the laser for a quick warm-up of the laser and a reduced volume after the laser has warmed-up for more economical operation of the laser. Different fluid mixes can also be provided for enhancing laser performance. A control for pulsed or continuous wave laser operation can be actuated to automatically change the composition of the fluid supplied to the laser for continuous wave laser operation as compared to that for pulsed operation.

Laser fluid flow control apparatus and method

An improved method of laser processing of a material by directing a laser beam against the material comprises providing the beam with a power waveform with respect to time characterized by a plurality of peak power pulses and a predetermined CW power level between the peak power pulses such that the average beam power maintained is equal to or greater than the predetermined CW power level of the beam. The method is particularly adapted for cutting material such as aluminum, copper and stainless steel with improved cut quality at a relatively high cutting speed and for welding.

Method and apparatus for laser processing of materials

Method and apparatus for handling compactible articles, and particularly recyclable articles includes a housing forming a compaction chamber with a bottom door movable between a closed position and an open position and having a feed opening through which articles are passed to be collected in said chamber. A retractable loading chute into which articles are discharged directs the articles into the feed opening when in the open extended position is movable to a retracted position to form wall portion of said chamber closing the feed opening. A first drive has a platen that is moved between extended and retracted positions in said compaction chamber to compress the collected articles in the chamber into a unitary block of mechanically interconnected compacted articles and move the block from the chamber. A second drive connected to the bottom door moves said bottom door between a closed position for compaction and a retracted position for the discharge of said block from said chamber. A removable receptacle disposed below the chamber receives the block discharged from said chamber.

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Blairstown, NJ, United States of America

Ronald D Young