公开(公告)号：WO2000053536A1

公开(公告)日：2000-09-14

申请号：PCT/IT2000/000076

申请日：2000-03-08

Applicant: NOVARA TECHNOLOGY S.R.L. ,  COSTA, Fulvio ,  COSTA, Pierpaolo ,  COSTA, Lorenzo

Inventor： COSTA, Fulvio ,  COSTA, Pierpaolo ,  COSTA, Lorenzo

IPC: C03B37/016

CPC classification number: C03B19/12 ,  C03B37/016

Abstract: A sol-gel process is described that allows dry gels to be produced, and where necessary, the corresponding dense vitreous bodies, around an incompressible insert. A particular feature of the process is the step of rotating a container holding the sol and incompressible insert throughout the gelling step under such conditions that a wet gel adhering to the insert is produced, which is then dried. The process is useful particularly for the production of preforms for optical fibers, which are also claimed.

Abstract translation: 描述了溶胶 - 凝胶方法，其允许在不可压缩的插入物周围产生干凝胶，并且必要时允许相应致密的玻璃体。 该方法的一个特别的特征是在固化溶胶和不可压缩嵌入物的整个凝胶化步骤中旋转容器，这样的条件使得粘附在插入物上的湿凝胶被干燥。 该方法特别用于生产用于光纤的预成型件，这也是要求保护的。

公开(公告)号：EP1175377A1

公开(公告)日：2002-01-30

申请号：EP00911254.1

申请日：2000-03-08

Applicant: Novara Technology S.R.L.

Inventor： COSTA, Fulvio ,  COSTA, Pierpaolo ,  COSTA, Lorenzo

IPC: C03B37/016 ,  C03B19/12

CPC classification number: C03B19/12 ,  C03B37/016

Abstract: A sol-gel process is described that allows dry gels to be produced, and where necessary, the corresponding dense vitreous bodies, around an incompressible insert. A particular feature of the process is the step of rotating a container holding the sol and incompressible insert throughout the gelling step under such conditions that a wet gel adhering to the insert is produced, which is then dried. The process is useful particularly for the production of preforms for optical fibers, which are also claimed.

公开(公告)号：EP1175377B1

公开(公告)日：2003-11-12

申请号：EP00911254.1

申请日：2000-03-08

Applicant: Novara Technology S.R.L.

Inventor： COSTA, Fulvio ,  COSTA, Pierpaolo ,  COSTA, Lorenzo

IPC: C03B37/016 ,  C03B19/12

CPC classification number: C03B19/12 ,  C03B37/016