Source chemical container assembly

Details Source chemical container assembly Source chemical container assembly

2005-05-10

2005-05-10

Moy, Joseph Man-fu (Department: 3727)

Receptacles

Closures

Having means for securing or retaining closure in its closed...

C220S322000

Reexamination Certificate

active

06889864

ABSTRACT:
The invention relates to a source chemical container assembly, comprising a metal container functioning as a vacuum chamber and provided with a removable closure, which removable closure seals against the metal container with a metal seal. In order to facilitate easy recharging of the container assembly, compressive force is applied to the metal seal through a tension chain. In a preferred embodiment of the invention the metal seal and the tension chain are provided along a circumference of said metal container. The assembly can comprise an inner container in which the source chemical is contained.

REFERENCES:
patent: 2640717 (1953-06-01), Scheuring
patent: 3642166 (1972-02-01), Starr
patent: 4288001 (1981-09-01), Lankston
patent: 4732294 (1988-03-01), Bohler et al.
patent: 5199603 (1993-04-01), Prescott
patent: 5499849 (1996-03-01), Fend
patent: 5707089 (1998-01-01), Fend
patent: 20010042523 (2001-11-01), Kesala
H. Fend, “Progress in Metal Sealing Techniques” XP-002217049, 1996.

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