| Patent Number |
Title Of Patent |
Date Issued |
| 5396333 |
Device and method for observing and analyzing a stream of material |
March 7, 1995 |
| A device for observation and analysis of a cross-sectional portion of a stream of material, which may be either a particle or a fluid stream, includes a laser light source for generating a beam of light. A focusing lens is disposed in an optical path between the laser source and the |
| 5368911 |
Method for fabrication of composite materials and composite |
November 29, 1994 |
| A method for manufacturing a composite material comprises the steps of furnishing a layer of a matrix material, forming a groove in the matrix-material layer using a laser to remove material from the layer of matrix material in the form of a groove, and placing a reinforcement into t |
| 5245155 |
Single point powder feed nozzle for use in laser welding |
September 14, 1993 |
| An apparatus for welding together a plurality of portions of a workpiece with a complex geometric surface includes a laser source for generating a laser beam; the laser source is positioned at a predetermined distance from the workpiece portions to form a weld bead of a selected width. T |
| 5241419 |
Co-axial viewing device for lasers |
August 31, 1993 |
| A welding apparatus operable with a high power CO.sub.2 laser beam having a laser beam wavelength-corresponding coating on an optical window mounted in the beam path deflecting the reflected workpiece image into a viewing channel allowing a real-time observation of the welding. |
| 5043548 |
Axial flow laser plasma spraying |
August 27, 1991 |
| A laser plasma spray apparatus for depositing a feed material onto a substrate includes a nozzle having a plasma confinement chamber into which a laser beam is focused, the focal point being at a distance sufficiently far from the substrate that the substrate is not melted. Finely divide |
| 5038014 |
Fabrication of components by layered deposition |
August 6, 1991 |
| A component is fabricated by depositing a succession of overlying beads of a material, the pattern and position of the beads being assigned the proper characteristics of the corresponding section of the desired component. Shape definition is accomplished by characterizing the compone |
| 4958058 |
Transverse flow laser spray nozzle |
September 18, 1990 |
| A feed material is melted by a focussed laser beam in a partially confined interaction volume, and ejected from the interaction volume in a direction different from the axis of the laser beam. The feed material, preferably in the form of a finely divided powder fluidized by a gas stream, |