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:
Sep. 27, 1988
Filed:
Nov. 24, 1986
Friedrich Baehrle, Kernen-Rommelshausen, DE;
Helmut Wulf, Ostfildern, DE;
Helmut Kreeb, Meersburg, DE;
Daimler-Benz Aktiengesellschaft, Stuttgart, DE;
Abstract
A heat pipe of aluminum is provided on the inside on all sides thereof with a completely closed fluid-tight coating of a water-resistant nickel in order to make the same resistant against water as heat carrier medium or to make the same vacuum-tight for long periods of time. Also, a coating of hard solder material is possible. The coating thickness is no less than 10 .mu.m and no more than 15 .mu.m. Individual parts of the heat pipe, prior to the soldering, are coated with the nickel material, each by itself, completely up to the joint areas. A process of making the heat pipe is also provided.