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:
Oct. 27, 1987
Filed:
Mar. 13, 1985
Guenter Einsle, Munich, DE;
Ernst Mayr, Starnberg, DE;
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Abstract
A method and apparatus for precisely regulating the speed of movement of a sensitive fiber in a substantially contact-free manner. The method and apparatus may be used for applying a braking force to a fiber or for accelerating the fiber. The method and apparatus comprise providing at least two capillary tubes having bores of different inside diameters with the bores being axially aligned, introducing a flowing medium such as gas or a more viscous material into the interior of the capillary tubes to flow out the free ends with the majority of the medium flowing out the capillary tube having the larger diameter, moving the fiber axially through the two capillary tubes so that the flow of the medium in the bore of the capillary tube having the larger inside diameter creates a force applied in a direction of the flow to the fiber. If the fiber is moving in the direction of the flow, this force acts to accelerate the fiber and if the fiber is moving in the opposite direction, this force acts to decelerate the fiber.