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. 19, 1976
Filed:
Oct. 29, 1974
Akira Kobayashi, Ohbu, JA;
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Kariya, JA;
Daiwa Boseki Kabushiki Kaisha, Osaka, JA;
Abstract
In a spinning device of an open end spinning machine, a sliver is fed to and passes through a feeding and opening device which opens it into individual fibers and feeds them into a rotary spinning chamber where they are collected and discharged as a finished yarn therefrom. In order to clean the fibers, when they pass through the feeding and opening device, dirt of the fibers is adapted to be thrown out by centrifugal force and leaves the fibers through a dirt discharge opening into a dirt collecting chamber. At this time, loss of fibers has to be prevented and for such purpose an air supply duct is arranged adjacent to the dirt discharge opening to introduce an air current into the fibers opposite to the direction of movement of the dirt particles. The air supply duct is adapted to allow the speed, the flow rate, and/or the direction of the air current to change in accordance with the conditions mentioned in the following description.