The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 30, 2001

Filed:

Jul. 21, 1999
Applicant:
Inventor:

Frederic Castellanet, Le Pecq, FR;

Assignee:

L'Air Liquide, Paris Cedex, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F17C 9/02 ;
U.S. Cl.
CPC ...
F17C 9/02 ;
Abstract

Plant for supplying helium to a plurality of production lines, comprising a helium source of at least 7000 liters; a network of secondary ducts, feeding production lines using helium gas; and a main duct for conveying helium, connected upstream to the helium source and downstream to the network of secondary ducts. Such a plant is useful in a filling operation for diving gas cylinders, dirigible airship gas bags or safety airbag inflation containers, for quenching metal articles, or for fabricating electronic products or optical fibers.


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