US 11,921,337 B2
Sealing unit for optical fiber cable cabinet
Sergio Lanzone, Genoa (IT); Sergio Mosti, Genoa (IT); Claudio D'Incà, Genoa (IT); Angelo Rivara, Genoa (IT); and Marco Assale, Genoa (IT)
Assigned to Telefonaktiebolaget LM Ericsson (Publ), Stockholm (SE)
Appl. No. 17/264,543
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Aug. 1, 2018, PCT No. PCT/EP2018/070917
§ 371(c)(1), (2) Date Jan. 29, 2021,
PCT Pub. No. WO2020/025134, PCT Pub. Date Feb. 6, 2020.
Prior Publication US 2021/0311275 A1, Oct. 7, 2021
Int. Cl. G02B 6/44 (2006.01); G02B 6/46 (2006.01)
CPC G02B 6/4444 (2013.01) [G02B 6/46 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A sealing unit for a cabinet containing optical components, the sealing unit comprising:
a gasket defining a plurality of apertures configured to provide a seal around a plurality of optical fiber cables, the gasket having an interior side to face the interior of the cabinet and an exterior side to face an exterior of the cabinet;
a first retaining device located on the interior side of the gasket;
a second retaining device located on the exterior side of the gasket;
the first and second retaining devices each comprising a plurality of channels, each channel being aligned with a respective aperture of the gasket and each channel being configured to receive one of the plurality of optical fiber cables; and
each channel having a profile defined by a plurality of protruding surfaces configured to restrain longitudinal movement of an optical fiber cable received therein without contact with a collar on the optical fiber cable, the protruding surfaces compressing a coating of the optical fiber cable when the optical fiber cable is inserted in the corresponding channel.