Electric heating – Metal heating – By arc
Patent
1977-12-19
1979-07-24
Reynolds, Bruce A.
Electric heating
Metal heating
By arc
B23K 900
Patent
active
041623916
ABSTRACT:
A vacuum sealing means for a high production electron beam welding machine incorporating a rotary indexing table carrying parts to be welded from a loading position to a welding position under a stationery electron beam gun and then to an unloading station. Sealable pockets on the rotating index table carrying the parts to be welded are carried through a sealed off low volume space into a first pre-pumping station where air in the pocket is brought to a pressure intermediate between the atmospheric pressure and the pressure required during the welding of the parts. After pre-pumping, the pockets are indexed to a second pumped area where the pocket is evacuated to the pressure suitable for welding. The table is then indexed through an area at the pre-pumping pressure and then through another sealed off space at atmospheric pressure to the ejection station. The first and the last sealed off spaces at atmospheric pressure are means for preventing a large volume intake of air from the atmosphere surrounding the machine into the pumping system.
REFERENCES:
patent: 3731052 (1973-05-01), Ogawa
patent: 3742365 (1973-06-01), Sciaky
patent: 3748432 (1973-07-01), Bosworth et al.
patent: 4080526 (1978-03-01), Kihara
Bell Fred E.
Reynolds Bruce A.
Sciaky Bros., Inc.
Solomon Julius L.
LandOfFree
Sliding vacuum seal means does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Sliding vacuum seal means, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sliding vacuum seal means will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1288662