公开(公告)号：US4781433A

公开(公告)日：1988-11-01

申请号：US946646

申请日：1986-12-22

申请人： Candido J. Arroyo ,  Jay T. Loadholt, III ,  Emanuele Scalco ,  James R. Holman ,  Palmer D. Thomas

发明人： Candido J. Arroyo ,  Jay T. Loadholt, III ,  Emanuele Scalco ,  James R. Holman ,  Palmer D. Thomas

IPC分类号： G02B6/44

CPC分类号： G02B6/4486 ,  G02B6/4403 ,  G02B6/441 ,  G02B6/449

摘要： An optical fiber cable particularly suited for use in building distribution systems includes a core which comprises a plurality of coated optical fibers (22--22) with each being enclosed in a plastic buffer (26). The optical fibers are individually or collectively enclosed in a fibrous strength member. Over the strength member in each of several embodiments is provided an outer jacket comprising a plastic material having excellent resistance to flame spread and smoke evolution. The plastic material comprising the jacket is disposed about the strength member and decoupled sufficiently therefrom to avoid the introduction of microbending stresses in the optical fiber. This may be accomplished by vacuum sizing the plastic material which has been tubed over an advancing optical fiber core as the plastic material is being drawn down onto the strength member.

摘要翻译： 特别适用于建筑物分配系统的光纤线缆包括一个芯，该芯包括多个被涂覆的光纤（22-22），每个光纤被封装在塑料缓冲器（26）中。 光纤单独或集体地封装在纤维强度构件中。 在几个实施例中的每一个中的强度构件上提供了一种外护套，其包括具有优异的耐火焰蔓延和烟雾释放的塑料材料。 包括护套的塑料材料设置在强度构件周围并充分从其中分离，以避免在光纤中引入微弯曲应力。 这可以通过在将塑料材料向下拉到强度构件上时将已经被管理在前进的光纤芯上的塑料材料进行真空定型来实现。

公开(公告)号：US4595793A

公开(公告)日：1986-06-17

申请号：US661889

申请日：1984-10-18

申请人： Candido J. Arroyo ,  Palmer D. Thomas

发明人： Candido J. Arroyo ,  Palmer D. Thomas

IPC分类号： G02B6/44 ,  H01B7/295 ,  H01B7/02

CPC分类号： H01B7/295 ,  G02B6/4436

摘要： A relatively small pair size cable (20) comprising at least one conductor (22) which is insulated with polyvinyl chloride plastic material is provided with a flame retardant, smoke suppressive non-metallic sheath system (30). The sheath system has a relatively low thermal conductivity and provides a predetermined delay prior to the thermal decomposition of the conductor insulation. It includes an inner layer (31) of an aramid fibrous material which has a relatively high compressibility, a relatively low heat absorptivity, and a relatively low air permeability. The inner layer is enclosed by an outer jacket (40) of a fluoropolymer plastic material which is extruded about the inner layer.

摘要翻译： 包括至少一个与聚氯乙烯塑料材料绝缘的导体（22）的相对较小的成对尺寸的电缆（20）设置有阻燃的防烟非金属护套系统（30）。 护套系统具有相对低的导热性，并且在导体绝缘体的热分解之前提供预定的延迟。 其包括芳族聚酰胺纤维材料的内层（31），其具有相对高的压缩性，相对低的热吸收性和相对低的透气性。 内层由围绕内层挤出的氟聚合物塑料材料的外护套（40）包围。

公开(公告)号：US4605818A

公开(公告)日：1986-08-12

申请号：US626085

申请日：1984-06-29

申请人： Candido J. Arroyo ,  Nicholas J. Cogelia ,  Palmer D. Thomas

发明人： Candido J. Arroyo ,  Nicholas J. Cogelia ,  Palmer D. Thomas

IPC分类号： G02B6/44 ,  H01B7/18 ,  H01B7/295 ,  H01B13/26 ,  H01B7/02 ,  H01B7/22

CPC分类号： H01B13/268 ,  G02B6/4436 ,  G02B6/4479 ,  H01B7/182 ,  H01B7/295

摘要： A relatively small pair size cable (20) comprising at least one conductor (22) which is insulated with polyvinyl chloride plastic material is provided with a flame retardant, smoke suppressive sheath system (30). The sheath system has a relatively low thermal conductivity and provides a predetermined delay prior to the thermal decomposition of the conductor insulation. It includes a layer (31) of an impregnated woven glass material which has an air permeability that is sufficiently low to minimize gaseous flow through the layer of woven glass material and to delay heat transfer to the core for a predetermined time. The woven glass layer is wrapped about the core to have a longitudinal overlapped seam and is enclosed by an outer jacket (40) of a fluoropolymer plastic material which is extruded about the woven layer.

摘要翻译： 包括至少一个与聚氯乙烯塑料材料绝缘的导体（22）的相对较小的一对尺寸的电缆（20）设置有阻燃防烟护套系统（30）。 护套系统具有相对低的导热性，并且在导体绝缘体的热分解之前提供预定的延迟。 它包括浸渍的玻璃玻璃材料的层（31），其具有足够低的透气性，以使通过编织玻璃材料层的气流最小化并延迟热传递到芯体预定时间。 编织玻璃层围绕芯缠绕以具有纵向重叠的接缝，并被围绕编织层挤出的含氟聚合物塑料材料的外护套（40）包围。

公开(公告)号：US4755629A

公开(公告)日：1988-07-05

申请号：US910848

申请日：1986-09-24

申请人： Richard D. Beggs ,  Harold W. Friesen ,  David M. Mitchell ,  Wendell G. Nutt ,  Palmer D. Thomas

发明人： Richard D. Beggs ,  Harold W. Friesen ,  David M. Mitchell ,  Wendell G. Nutt ,  Palmer D. Thomas

IPC分类号： H01B11/02 ,  H01B11/08

CPC分类号： H01B11/085 ,  H01B11/02

摘要： A cable (20) which is particularly suited to the transmission of substantially error-free data at relatively high rates over relatively long distances includes at least two pairs of individually insulated conductors (42--43). Each pair of individually insulated conductors is enclosed individually in its own tubular member (51) comprising a plastic material. A metallic shield (60) encloses the tubular members, and in a preferred embodiment, a plastic jacket (80) encloses the shield. In the preferred embodiment, two pairs of voice communications conductors are disposed at opposed locations between the shield and the jacket. The thickness of the tubular member is such that each insulated conductor of each twisted pair is caused to be spaced from the shield a distance which is not less than one half the diameter of the metallic wire portion of each pair enclosed by the tubular member.

摘要翻译： 特别适用于在相当长的距离上以相对高的速率传输基本上无差错的数据的电缆（20）包括至少两对独立绝缘的导体（42-43）。 每对单独绝缘的导体被单独封闭在其自己的包括塑料材料的管状构件（51）中。 金属屏蔽件（60）围绕管状构件，并且在优选实施例中，塑料护套（80）围绕屏蔽件。 在优选实施例中，两对语音通信导体设置在屏蔽和外壳之间的相对位置处。 管状构件的厚度使得每个双绞线的每个绝缘导体与屏蔽件隔开不少于由管状构件包围的每对的金属线部分的直径的一半的距离。