Optical fiber re-coating device

Patent metadata

Field	Value
Publication number	US-10532503-B2
Application number	US-201414905163-A
Country	US
Kind code	B2
Filing date	Oct 3, 2014
Priority date	Sep 30, 2014
Publication date	Jan 14, 2020
Grant date	Jan 14, 2020

Abstract

An optical fiber re-coating device of the invention includes an optical fiber coater that includes: a pair of glass members having grooves formed thereon; and two bases on which the respective glass members are provided, wherein at least one of the paired glass members has a cross section in a direction vertical to a mounting surface of the bases, the cross section is formed in a trapezoidal shape, the groove is provided on a short side of the trapezoidal shape, and an inclined surface of the glass member including an inclined side of the trapezoidal shape is pressed, and the glass member is thereby fixed to the base.

First claim

The invention claimed is:

1. An optical fiber re-coating device comprising an optical fiber coater that cures resin and coats a coating-removed portion of an optical fiber therewith, the optical fiber coater comprising:
a pair of glass members each having a groove formed thereon; and
two bases on which the respective glass members are provided, wherein
a hollow that is used to coat the optical fiber is formed by matching the grooves of the pair of glass members,
at least one of the pair of glass members is formed in a trapezoidal shape in a cross section in a direction vertical to mounting surfaces of the bases,
the groove on the at least one of the pair of glass members is provided on a short side of the trapezoidal shape,
an inclined surface of the at least one of the pair of glass members including an inclined side of the trapezoidal shape is pressed, and the at least one of the pair of glass members is thereby fixed to a base of the bases,
the optical fiber coater further comprises a lateral pressing member that has an inclined surface that comes into surface contact with the inclined surface of the at least one of the pair of glass members,
the lateral pressing member corresponds to at least one of two inclined surfaces, including the inclined surface of the at least one of the pair of glass members, and is provided on the base, and
the optical fiber coater further comprises:
a first force-applying member that presses the lateral pressing member to the at least one of the pair of glass members in a first direction that is perpendicular to contacting surfaces of the at least one of the pair of glass members and the base, and
a second force-applying member that presses the lateral pressing member to the at least one of the pair of glass members in a second direction that is different from the first direction.

2. The optical fiber re-coating device according to claim 1 , wherein
each of the pair of glass members is formed in a trapezoidal shape in a cross section in a direction vertical to the mounting surfaces of the bases, and
an inclined surface of each glass member including an inclined side of the respective trapezoidal shape is pressed, and each glass member is thereby fixed to each base.

3. The optical fiber re-coating device according to claim 1 , wherein,
the lateral pressing member corresponds to the at least one of the two inclined surfaces of the at least one of the pair of glass members, and is provided on at least one of the mounting surfaces of at least one of the bases.

4. The optical fiber re-coating device according to claim 1 , wherein
the first force-applying member is a first screw, and
a longitudinal axis of the first screw extends through the lateral pressing member to the base in the first direction.

5. The optical fiber re-coating device according to claim 1 , wherein
the first force-applying member is a sandwich-holding mechanism, and
the lateral pressing member is sandwiched between the sandwich-holding mechanism and the base in the first direction.

6. The optical fiber re-coating device according to claim 1 , wherein
the second force-applying member is a second screw, and
a longitudinal axis of the second screw extends through the base to the lateral pressing member in the second direction, and wherein the second direction that is perpendicular to the first direction.

7. The optical fiber re-coating device according to claim 1 , wherein
the second force-applying member is a spring that is provided between the base and the lateral pressing member in the second direction, and wherein the second direction that is perpendicular to the first direction.

8. An optical fiber re-coating device comprising an optical fiber coater that cures resin and coats a coating-removed portion of an optical fiber therewith, the optical fiber coater comprising:
a pair of glass members each having a groove formed thereon; and
two bases on which the respective glass members are provided, wherein
a hollow that is used to coat the optical fiber is formed by matching the grooves of the pair of glass members,
at least one of the pair of glass members is formed in a trapezoidal shape in a cross section in a direction vertical to mounting surfaces of the bases,
the groove on the at least one of the pair of glass members is provided on a short side of the trapezoidal shape,
an inclined surface of the at least one of the pair of glass members including an inclined side of the trapezoidal shape is pressed, and the at least one of the pair of glass members is thereby fixed to a base of the bases,
the optical fiber coater further comprises a lateral pressing member that has an inclined surface that comes into surface contact with the inclined surface of the at least one of the pair of glass members,
the lateral pressing member corresponds to at least one of two inclined surfaces, including the inclined surface of the at least one of the pair of glass members, and is provided on the base, and
the optical fiber coater further comprises a force-applying member that presses the lateral pressing member to the inclined surface of the at least one of the pair of glass members in a direction that is perpendicular to the inclined surface of the at least one of the pair of glass members.

9. The optical fiber re-coating device according to claim 8 , wherein
the force-applying member is a screw, and
a longitudinal axis of the screw extends through the base to the lateral pressing member in the direction that is perpendicular to the inclined surface of the at least one of the pair of glass members.

Assignees

• Fujikura Ltd

Inventors

• Kawanishi Noriyuki
• Yokota Koichi
• Hasegawa Ryo

Classifications

• B29C45/1744

  Mould support platens · CPC title

• B29K2995/0027

  for light outside the visible spectrum · CPC title

• B29K2105/0058

  Liquid or visquous · CPC title

• B29C45/1742 Primary

  Mounting of moulds; Mould supports (mounting of exchangeable mould inserts B29C45/2675) · CPC title

• C03C25/106

  Single coatings · CPC title