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. 04, 2001
Filed:
Feb. 05, 1999
Nobuaki Orita, Chiba, JP;
Hisashi Koaizawa, Chiba, JP;
The Furukawa Electric Co., Ltd., Tokyo, JP;
Abstract
An optical fiber resin coating apparatus including: a nipple including a nipple hole, and a resin reserving chamber for reserving resin, a meniscus-shaped portion being positioned at an end of the nipple hole; a resin coating die including a tapered-hole and a land portion continued to the tapered-hole and defining a hole of a diameter which defines a diameter of a resin coated optical fiber; and an intermediate die provided between the nipple and the resin coating die, including a hole communicating the meniscus-shaped portion and the second tapered-hole, a hole communicating to the resin reserving chamber. A first resin flow path is defined at a boundary portion of the nipple and the intermediate die. A second resin flow path is defined at a boundary portion of the intermediate die and the resin coating die.