公开(公告)号：WO2004020353A1

公开(公告)日：2004-03-11

申请号：PCT/FI2003/000637

申请日：2003-09-01

Applicant: NEXTROM HOLDING S.A. ,  HYVÄRINEN, Jouni ,  SOININEN, Pekka ,  HOVINEN, Anssi ,  IHALAINEN, Heikki

Inventor： HYVÄRINEN, Jouni ,  SOININEN, Pekka ,  HOVINEN, Anssi ,  IHALAINEN, Heikki

IPC: C03B37/025

CPC classification number: C03B23/047 ,  C03B37/0124

Abstract: The present invention relates to a method and an apparatus for processing a preform and/or drawing an optical fibre. The method is characterized by securing the preform (2) to the processing device by means of at least two separate gripping means (4, 6), heating the preform (2) or a section thereof by means of at least one heating device at least locally, generating a tension in the preform (2) by means of the gripping means (4, 6), and processing the preform (2) by moving one of the gripping means (4, 6) and the heating means (12) and by keeping the gripping means (4, 6) on the side of the end product of the preform in position relative to the body of the processing device, whereby the end product produced also remains in position relative to the body of the processing device.

Abstract translation: 本发明涉及一种用于处理预成型件和/或拉制光纤的方法和设备。 该方法的特征在于通过至少两个单独的夹持装置（4,6）将预成型件（2）固定到处理装置，至少借助于至少一个加热装置加热预制件（2）或其一部分 局部地通过夹持装置（4,6）在预成型件（2）中产生张力，并且通过移动夹持装置（4,6）和加热装置（12）中的一个来处理预制件（2）和 通过将夹持装置（4,6）保持在相对于处理装置的主体的预制件的最终产品的一侧的位置，由此所生产的最终产品也保持在相对于处理装置的主体的位置。

公开(公告)号：WO2006071865A2

公开(公告)日：2006-07-06

申请号：PCT/US2005047075

申请日：2005-12-22

Applicant: NEXTROM HOLDING SA ,  SARKAR AMAB ,  ORCHANIAN BEDROS ,  IHALAINEN HEIKKI

Inventor： SARKAR AMAB ,  ORCHANIAN BEDROS ,  IHALAINEN HEIKKI

IPC: C03B37/012 ,  C03B37/014

CPC classification number: C03B37/0124 ,  C03B37/0126 ,  C03B37/01446 ,  C03B37/0146 ,  C03B37/01473 ,  C03B37/01486

Abstract: A multi-functional apparatus is disclosed for producing a low hydroxyl ion-containing core rod suitable for the production of low-water optical fibers. The apparatus combines the process steps of (1) hermetically sealing a tubular quartz handle of a tubular porous core preform to a tube used to feed the porous preform into a sintering furnace, (2) dehydration and sintering, and (3) elongation of the sintered preform under vacuum, all without exposing the preform's central aperture surface to ambient atmosphere.

Abstract translation: 公开了用于生产适用于生产低水光纤的含低羟基离子芯棒的多功能设备。 该装置结合了（1）将管状多孔芯预制件的管状石英手柄气密地密封到用于将多孔预成型件进料到烧结炉中的管的工艺步骤，（2）脱水和烧结，以及（3） 在预制件的真空下，所有这些都不会使预成型坯的中心孔表面暴露于环境气氛。

公开(公告)号：WO2006071865A3

公开(公告)日：2006-07-06

申请号：PCT/US2005/047075

申请日：2005-12-22

Applicant: NEXTROM HOLDING, S.A. ,  SARKAR, Amab ,  ORCHANIAN, Bedros ,  IHALAINEN, Heikki

Inventor： SARKAR, Amab ,  ORCHANIAN, Bedros ,  IHALAINEN, Heikki

IPC: C03B37/012 ,  C03B37/014

Abstract: A multi-functional method and apparatus are disclosed for producing a low hydroxyl ion-containing core rod from a tube suitable for the production of low-water optical fibers. The method and apparatus combine the use of process steps of (1) hermetically sealing a tubular quartz handle of a tubular porous core preform to a tube used to feed the porous preform into a sintering furnace, (2) dehydration and sintering, and (3) elongation of the sintered preform under vacuum, all without exposing the preform’s central aperture surface to ambient atmosphere.