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:
Apr. 16, 1991
Filed:
Sep. 14, 1989
Applicant:
Inventors:
Michael Carlomagno, Redwood City, CA (US);
Hamid Poostpasand, Mountain View, CA (US);
Steven James, Mountain View, CA (US);
Assignee:
Metcal, Inc., Menlo Park, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ; B23K / ;
U.S. Cl.
CPC ...
228 20 ; 228 21 ; 228 59 ; 219236 ;
Abstract
A desoldering tool has a removable cartridge and a base unit having an assembly interior including a solder collection chamber and a removable vacuum source for developing a vacuum in the bottom of the chamber under a removable porous solder retention pad, the cartridge having a temperature self-regulating heater therein and a tail pipe extending from a tip of the cartridge to a position above the solder collection chamber, and a vacuum seal between the cartridge and the base unit to maintain the vacuum and reduce transfer of heat from the tip.