公开(公告)号：US20240201461A1

公开(公告)日：2024-06-20

申请号：US18389622

申请日：2023-12-19

Applicant: PRYSMIAN S.p.A.

Inventor： Ralph SUTEHALL ,  Susanna SANTAMARIA ,  George Stephen LUCAS

IPC: G02B6/44

CPC classification number: G02B6/4438 ,  G02B6/44384

Abstract: It is disclosed an optical cable for blown installations including a central strength member including at least one optical fibre and a resin layer encasing the at least one optical fibre; at least one tube arranged about the central strength member and loosely housing at least one further optical fibre; and an outer jacket surrounding the least one tube. Also disclosed are an apparatus and a method for manufacturing such optical cable.

公开(公告)号：US20230079855A1

公开(公告)日：2023-03-16

申请号：US17940953

申请日：2022-09-08

Applicant: PRYSMIAN S.p.A.

Inventor： Ralph SUTEHALL ,  Susanna SANTAMARIA ,  Daniel SHELL ,  George Stephen LUCAS

IPC: G02B6/44

Abstract: It is disclosed an optical fibre unit for air-blown installations comprising: a first group of optical fibres embedded in a resin layer; a sheath arranged in a radially outer position with respect to the resin layer so that an annular space is formed between resin layer and sheath; and a second group of optical fibres arranged in the annular space. Also disclosed are an apparatus and a method for manufacturing such optical fibre unit.