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Optical-fiber-preparation-unit

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Optical fiber preparation unit

Details

Inventors: Dodge, Shawn W.; Ware, Scot K.;
Assignee: Amherst International, Inc. (Brentwood, TN)
Primary Examiner: Meislin; D. S.
Assistant Examiner:
Attorney, Agent or Firm: Banner & Witcoff, Ltd.

A device for stripping the coating from a coated fiber. The device comprises a base having a longitudinal axis extending parallel to the longitudinal axis of a fiber when the fiber is positioned within the device. The device also comprises a coated fiber retaining member coupled to the base. The coated fiber retaining member has a fiber holding portion for retaining a portion of a coated fiber along the longitudinal axis. A stripping tool including at least two stripping blades is rotatably mounted to the base. One of the blades of the stripping tool has a beveled surface positioned at a 45.degree. angle relative to the longitudinal axis of the base. This angle of the stripping tool, coupled with the bevel of the stripping blade ensures that the coating is pulled along the axis of the fiber, which keeps the fiber from bending or scratching. The beveled surface faces the coated fiber retaining member. A heating element is disposed on the side of the stripping blades opposite from the coated fiber retaining member for heating the fiber without contacting it.

DETAILED DESCRIPTION It is an object of the present invention to overcome the drawbacks of the prior art and provide a stripping device that does not scratch or bend a fiber.
It is also an object of the present invention to provide an improved optical fiber preparation unit to strip and shear coated fibers prior to splicing.
It is further an object of the present invention to provide a stripping device which is rotatably secured to a member received within a base so that a beveled stripping blade can be positioned at a determined angle relative to the longitudinal axis of the fiber so that the fiber will not be bent or scratched during stripping.
The present invention relates to a device for stripping the coating from a coated fiber.
The device comprises a base having a longitudinal axis extending parallel to the longitudinal axis of a fiber when the fiber is positioned within the device.
The device also comprises a coated fiber retaining member coupled to the base.
The coated fiber retaining member has a fiber holding portion for retaining a portion of a coated fiber along the longitudinal axis.
A stripping tool including at least two stripping blades is mounted to the base.
One of the blades of the stripping tool has a beveled surface positioned at an angle less than 90.
degree.
relative to the longitudinal axis of the base.
The angle is preferably about 45.
degree.
for optimum stripping without scratching or kinking of the fiber.
This angle of the stripping tool, coupled with the bevel of the stripping blade ensures that the coating is pulled along the axis of the fiber, which keeps the fiber from bending or scratching.
The beveled surface faces the coated fiber retaining member.
A heating element is disposed on the side of the stripping blades opposite from the coated fiber retaining member for heating the fiber without contacting it.
The stripping tool according to the present invention is rotatably mounted to the base by a rotatable member received within a recess in the base.
The tool is also positioned perpendicular or vertical to the base when it is horizontal

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