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:
May. 07, 2002
Filed:
Jan. 21, 2000
Sadaaki Nakajima, Shiga, JP;
Taiju Terakawa, Shiga, JP;
Kanemitsu Fuchigami, Shiga, JP;
Masaru Nishijima, Shiga, JP;
Chisso Corporation, Osaka, JP;
Abstract
A compact in-line high-speed apparatus and method for producing thermoplastic synthetic fibers includes a melt spinning device with a spinning block and a tow drawer; wherein the spinning block has at least one extruder, at least one spinneret block, and heating devices, and the tow drawer draws fibers spun from the spinning block as a bundled tow. Also provided is a drawn tow accumulating device equipped with at least two tow feeding rolls and a tow accumulating conveyer, wherein the tow feeding rolls feed the tow obtained from the tow drawer onto the tow accumulating conveyer, and the tow accumulating conveyer accumulates the tow fed from the tow feeding rolls. A high-speed tow stretching device is used for stretching tie tow supplied from the drawn tow accumulating device at high stretching speed.