Manufacturing method of optical fiber cable and manufacturing apparatus of optical fiber cable
AssigneeFujikura Ltd.
InventorsShinnosuke Sato, Kouji Tomikawa, Ken Osato
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Abstract
An optical fiber cable manufacturing method using a manufacturing apparatus including an SZ twisting device, an extrusion molding device, and a pressing portion disposed between the SZ twisting device and the extrusion molding device is provided. The method including: twisting optical fibers or optical fiber units in an SZ manner using the SZ twisting device to form an optical fiber bundle; and covering the optical fiber bundle with a sheath using the extrusion molding device while pressing the optical fiber bundle using the pressing portion.
Claims9
An optical fiber cable manufacturing method using a manufacturing apparatus comprising an SZ twisting device, an extrusion molding device, and a pressing portion disposed between the SZ twisting device and the extrusion molding device, the method comprising:
- twisting optical fibers or optical fiber units in an SZ manner using the SZ twisting device to form an optical fiber bundle;
- and
- covering the optical fiber bundle with a sheath using the extrusion molding device while pressing the optical fiber bundle using the pressing portion.
A manufacturing apparatus of an optical fiber cable comprising:
- an SZ twisting device that twists optical fibers or optical fiber units in an SZ manner to form an optical fiber bundle;
- a pressing portion disposed downstream, in a direction of manufacturing of the optical fiber bundle, of the SZ twisting device and that presses the optical fiber bundle;
- and
- an extrusion molding device disposed downstream, in the direction of manufacturing of the optical fiber bundle, of the pressing portion and that covers the optical fiber bundle with a sheath.
Dependencies are inferred from the claim text.