摘要:
Methods and systems are provided for a dry silicone gel in a closure or interconnect system. The dry silicone gel may be made by reacting a crosslinker, a chain extender, and a vinyl-terminated polydimethylsiloxane. The reaction may be conducted in the presence of a catalyst. In certain embodiments, the dry silicone gel may comprise: (1) a hardness between 100 g and 300 g, (2) a stress relaxation between 30% and 60% when subjected to a deformation of 50% of the original size of the gel, (3) a compression set between 4% and 20% after 50% strain has been applied to the gel for 1000 hours at 70° C., and/or (4) less than 10% oil bleed out under compression of 1.2 atm after 60 days at 60° C.
摘要:
Methods and systems are provided for a dry silicone gel in a closure or interconnect system. The dry silicone gel may be made by reacting a crosslinker, a chain extender, and a vinyl-terminated polydimethylsiloxane. The reaction may be conducted in the presence of a catalyst. In certain embodiments, the dry silicone gel may comprise: (1) a hardness between 100 g and 300 g, (2) a stress relaxation between 30% and 60% when subjected to a deformation of 50% of the original size of the gel, (3) a compression set between 4% and 20% after 50% strain has been applied to the gel for 1000 hours at 70° C., and/or (4) less than 10% oil bleed out under compression of 1.2 atm after 60 days at 60° C.
摘要:
The present invention relates to an optical fiber organizer (1) comprising at least one fiber storage means (4, 10, 19), a first support (3) for supporting the storage means, whereby the storage means (4, 10, 19) are rotatable connected to the first support (3), a second support (2) with at least one cable termination retention means for securing an incoming or outgoing cable having at least one optical fiber, characterized by the first support (3) being rotatably connected to the second support (2).
摘要:
The present invention relates to a cable sealing and retaining device capable of sealingly guiding and retaining a cable through an opening of the cable sealing and retaining device. The present invention provides an improved cable sealing and retaining device which allows a simple releasable fixation of a cable to the cable sealing and retaining device while the cable is sealingly guided through an opening provided with the cable sealing and retaining device. The cable sealing and retaining device (40; 60) comprises a sealing part (11) providing a passageway with an inner seal (14) through which a cable (2) is sealingly guidable, and an outer seal (15) arranged on an outer circumference of the sealing part (11). The cable sealing and retaining device (40; 60) comprises a fixation part (12) for retaining the sealing part (11) in longitudinal direction of the passageway; and a sleeve portion (47; 67) forming an opening (41; 61) for receiving the fixation part (12) and the sealing part (11) of the cable sealing and retaining device (40; 60). The sleeve portion (47; 67) provides a sealing section (42; 62) for co-operating with the outer seal (15) to perform a sealing therebetween. the cable sealing and retaining device (40; 60) is characterized by the fixation part (12) which provides fixation means (24) on its outer circumferential surface to fix the fixation part (12) to the sleeve portion (47; 67).
摘要:
The invention relates to a splice protection device for spliced optical fibers and to a method particularly for providing an access point to an optical fiber cable in a dwelling unit of a multi dwelling unit. To facilitate mounting of a splice protection device, the splice protection device according to the invention comprises a first and a second tube, the second tube being arranged concentrically and slidable within the first tube, the first and second tubes being adapted to receive at least one spliced fiber. The present invention furthermore relates to a method for providing an access point to a provider optical cable in a dwelling unit of a multi-dwelling unit. The inventive method avoids splicing work within the dwelling unit and is characterized by the steps of branching-off at least one branching optical fiber of the provider cable at a branch point adjacent to said dwelling unit, passing a preassembled connector cable being provided with a connector through duct work for cable to the branch point and splicing the branching optical fiber with an optical fiber of the connector cable.
摘要:
The present invention relates to an optical fiber organizer (1) comprising at least one fiber storage means (4, 10, 19), a first support (3) for supporting the storage means, whereby the storage means (4, 10, 19) are rotatable connected to the first support (3), a second support (2) with at least one cable termination retention means for securing an incoming or outgoing cable having at least one optical fiber, characterized by the first support (3) being rotatably connected to the second support (2).
摘要:
The present invention relates to an insert for an optical fiber assembly through which an optical fiber element can be pulled out without damage. The insert is provided for guiding a part of the optical cable (2) which comprises at least one optical fiber element (3) and being accommodated in a housing of the optical fiber assembly, wherein said part of the optical cable (2) has a cut-out portion in which a jacket of said optical cable (2) is partially removed, thereby exposing said at least one optical fiber element (3). The insert (1) comprises an optical cable guidance means (4) for guiding said optical cable (2) across the insert (1); a recess (5) surrounding the exposed optical fiber element (3) and a bend element (6) arranged at an end portion of the recess (5) and projecting from the recess (5) in a curved manner.
摘要:
The present invention relates to a method for splicing an optical fiber element (13, 23) of an optical cable (1, 2) reinforced with at least one strain relief fiber element (14, 24) and a splice effected by such method. In order to improve the strain resistance of the spliced optical cables (1, 2), the method according to the invention comprises the steps removing a jacket (11, 21) thereby exposing the optical fiber elements (13, 23) and the at least one strain relief fiber element (14, 24) of each of the two optical cables (1, 2) to be spliced, joining the optical fiber elements (13, 23) of the two optical cables (1, 2) to be spliced, providing a splicing sleeve (40) in such a way that it surrounds the joint of the two optical fiber elements (13, 23), attaching said splicing sleeve (40) against the circumferential surface of said optical cables (1, 2) thereby connecting the exposed strain relief fiber elements (14, 24) of the two optical cables (1, 2) to each other. The present invention furthermore provides a splice of two optical cables having improved strain resist which is characterized in that the strain relief fiber elements are connected to each other with the exposed optical fiber elements (13, 23) being surrounded by the sleeve.
摘要:
The present invention relates to a housing, in particular for an optical fiber assembly with improved sealing characteristics comprising an housing upper body (38) and an housing lower body (2), upper and lower sealing pads (32; 42) made of a gel sealing material, each of said pads (32; 34) being received in a trough (12, 46) provided by the housing upper and lower body (2; 38), respectively, wherein between said upper and lower pads (38; 48) are adapted to seal an element (78), which can be introduced into said housing, wherein at least one of said pads (42) is held by a retaining device (44) which is elastically supported against one of said housing bodies (38) by means of a spring element (47) and wherein the other of said housing bodies and/or said retaining device (44) provides a contoured abutment surface (26; 70) for the assigned pad (32; 42).
摘要:
A reconfigurable passive optical component organiser (1) comprises a receiving surface (20,21,22) and restriction means (23,24,25,26,27). The receiving surface (20,21,22) comprises a plurality of relatively rigid regions hinged together and is reconfigurable between an open position and a closed position. In the open position the receiving surface (20,21,22) is configured to be substantially planar and retain a loop of optical fibre. In the closed position the receiving surface (20,21,21) is non-planar and substantially encloses said loop of fibre. The restriction means (23,24,25,26,27) act to prevent reconfiguration of the receiving surface (20,21,22) to the closed position bending the loop of fibre beyond the minimum bend radius of the loop of optical fibre.