Evacuate and backfill apparatus and method

Details Evacuate and backfill apparatus and method Evacuate and backfill apparatus and method

1984-06-27

1985-12-17

Paperner, Leslie J.

Material or article handling

Static receptacle and means for charging or discharging, or...

414220, 414786, 53432, 53510, B65B 3102

Patent

active

045589828

ABSTRACT:
An apparatus and method for treatment of hollow articles by evacuating existing gas or gases therefrom and purging or backfilling the articles with a second gas such as helium. The apparatus includes a sealed enclosure having an article storage drum mounted therein. A multiplicity of such articles are fed singly into the enclosure and loaded into radial slots formed in the drum. The enclosure is successively evacuated and purged with helium to replace the existing gas in the articles with helium. The purged articles are then discharged singly from the drum and transported out of the enclosure.

REFERENCES:
patent: 3260383 (1966-07-01), Fitzgerald
patent: 3735550 (1973-05-01), Moore et al.
patent: 3771278 (1973-11-01), Gray et al.
patent: 3828518 (1974-08-01), Silk et al.
patent: 3948416 (1976-04-01), Housman
patent: 4340151 (1982-07-01), Cottrell

Affiliated with

Also associated with

Rating

Evacuate and backfill apparatus and method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Evacuate and backfill apparatus and method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Evacuate and backfill apparatus and method will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2172213