Patent ID: 11921336
Assignee: FUJIKURA LTD.
Field: Optics (Instruments)
Classification: CPC G  H | IPC G

Claim 7:
8. An optical fiber protective unit comprising:
a reticulated tube; and
a tubular member that is inserted through the reticulated tube and that is configured to accommodate a plurality of optical fibers, wherein
the reticulated tube is disposed on an outer periphery of the tubular member in a state folded in a longitudinal direction,
both end parts of the reticulated tube are located on the outer periphery of the tubular member,
the reticulated tube in a folded state is extendable in the longitudinal direction by pulling out one of the end parts of the reticulated tube from the tubular member
an opening of one of the end parts of the tubular member is widened, and
an outer diameter of the end part having a widened opening is greater than the inner diameter of the reticulated tube in the folded state.