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. 23, 1991
Filed:
Apr. 25, 1989
Christian Bonnand, Bachy, FR;
Dominique Mascart, Toufflers, FR;
Philippe Druelle, Gournay-sur-Marne, FR;
Stein Industrie, Velizy-Villacoublay, FR;
Electricte de France, Paris, FR;
Abstract
A machine for remotely lining the inside of a heat exchanger tube end (13) received in a tube plate (14). The machine includes a flexible tube (15) connecting a push-pull device to a motorized unit (16) for driving tools used for fixing the sleeve in the heat exchanger tube. The machine also includes a tool loader (25, 26) at the head of a cable (20) which is driven by the push-pull device and means for applying the end of the flexible tube to the end of any of the heat exchanger tubes which may need lining. The motorized unit (16) includes two superposed fluted hubs (30, 33) one of which is driven by a low speed electric motor while the other is driven by a high-speed pneumatic motor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile