Sealing plate with a filter for a high pressure liquified gas ca

Details Sealing plate with a filter for a high pressure liquified gas ca Sealing plate with a filter for a high pressure liquified gas ca

1994-06-08

1996-01-23

Pascua, Jes F.

Receptacles

Closures

Vent in closure

215364, 55421, B65D 5116

Patent

active

054859360

ABSTRACT:
A sealing plate for sealing a cartridge containing a liquified gas under pressure and having a neck with an opening with a syphon tube thereof extending from the neck into the cartridge has mounted on a side surface thereof a powdered metal cylindrical filter having a blind bore with open end closed by the plate. An integral annulus centrally disposed on the plate and projecting outwardly from a side surface of the plate mounts the filter in fixed assembly with the sealing plate. The filter is press-fitted into the annulus with its open end against the plate so that an annulus inner cylindrical surface is circumferentially disposed about the open end of the cylinder. The plate is mounted in use on the neck closing it. The cylindrical filter and the annulus around it extend into the neck and the marginal peripheral surface portion of the plate around the annulus overlies the neck closing its opening and is welded thereto to effect a seal. The sealing plate is made of a pierceable material which is pierced, when the cartridge is mounted for use in a system, to provide communication between the opening formed and the closed bore of the cylindrical filter so that a filtered liquidified gas outflow from the filter is established.

REFERENCES:
patent: 3507098 (1970-04-01), Veres et al.
patent: 4032311 (1977-06-01), Bohmrich et al.

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