| Patent Number |
Title Of Patent |
Date Issued |
| 6312247 |
Vacuum debulking table for thermoplastic materials |
November 6, 2001 |
| A vacuum debulking table for fiber reinforced thermoplastic prepreg includes a base, a base table mounted to the base, and a platen mounted to the base table. The platen has a frame and the base table includes a vacuum aperture located within the frame. A vacuum pump is connected to |
| 6241506 |
Compression mold |
June 5, 2001 |
| A compression mold apparatus for compressing a segment has a base having an elongated and substantially semi-circular mold cavity and an end plate including a blade mounted thereon. The mold cavity has a top opening. A ram is aligned with the top opening. The ram includes two fixed oppos |
| 6162314 |
Thermal welding of fiber reinforced thermoplastic prepreg |
December 19, 2000 |
| A welding method controls the welding temperature, welding cycle time, and welding pressure for fabrication of composite structural parts. A welding unit welds multiple plies of thermoplastic prepreg into welded multi-ply assemblies by concentrating welds along the thermoplastic prepreg |
| 4920884 |
Selectable lightweight attack munition |
May 1, 1990 |
| This portable munition system has multiple modes of operation with the sensor inputs, output actuator circuits, and timing requirements determined by the control electronics. A self-check is performed initially before the munition can be armed. An indicator light driven by the electr |
| 4306230 |
Self-checking photoelectric smoke detector |
December 15, 1981 |
| A photoelectric smoke detector for providing indications of both alarm and trouble conditions is disclosed having a source of light, a detector apparatus having a light responsive device, said detector apparatus providing an output subject to a first change dependent upon the presence |
| 4282519 |
Interconnection of alarms of smoke detectors with distinguishable alarms |
August 4, 1981 |
| A smoke detection alarm system which has at least one detector and alarm in each of the plurality of areas with an interconnection circuit whereby upon the detection of an abnormal smoke condition in any one of the areas, the annunciator or horn of the detector in the area having the abn |
| 4222046 |
Abnormal condition responsive means with periodic high sensitivity |
September 9, 1980 |
| An ionizing type smoke detector device has an output voltage which is compared with a reference voltage and upon the output dropping below the reference, a horn is energized. The reference voltage is normally quite low to reduce the number of false alarms and thus the smoke detector is |
| 4155081 |
Rechargeable battery backup power source for an ionization smoke detector device |
May 15, 1979 |
| A circuit for a rechargeable battery backup power source used with an ionization smoke detector device whereby upon the failure of the main alternating current power source, a battery which is normally charged from the power source during standby operation is connected to an ionization |
| 4119904 |
Low battery voltage detector |
October 10, 1978 |
| A circuit is provided for detecting a low battery voltage for use with applications where it is desirable to keep the drain on the battery at a very low value and to do so at a minimum cost. |
