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.
Patent No.:
Date of Patent:
Jul. 08, 2003
Filed:
Nov. 20, 2000
Applicant:
Inventors:
Paolo Manini, Arluno Mi, IT;
Claudio Boffito, Rho Mi, IT;
Alessandro Gallitognotta, Rho Mi, IT;
Alessio Corazza, Como, IT;
Assignee:
SAES Getters S.p.A., Lainate Mi, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 4/500 ;
U.S. Cl.
CPC ...
F25B 4/500 ;
Abstract
A process is provided for production of a refrigerating circuit comprising non-evaporable getter material, wherein said getter material, previously introduced into the same circuit, is heated to a temperature of at least 200° C. during or immediately after the circuit evacuating step, at a residual atmospheric gas pressure of not less than 10 mbar, before introduction of the mixture of cooling fluids and before the circuit sealing. Preferred is the use of zirconium-based getter alloys.