<p>A method of installing a cable into a conduit, the conduit having more than one bore size, comprising the steps of - introducing air to flow in a direction into and through the conduit, and - changing an air pressure level of the air within the conduit from a first pressure level to a second pressure level by either venting a part of the air from the conduit or adding to the air within the conduit.</p>
申请公布号
WO2007113519(A1)
申请公布日期
2007.10.11
申请号
WO2007GB01178
申请日期
2007.04.02
申请人
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY;BARKER, PHILIP, ALFRED;GONEN, NITZAN