C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
49/14, 32/85
C03B 37/018 (2006.01)
Patent
CA 2035058
Abstract This invention relates to a connector to be used in the production of optical fibre preforms for connecting a process steam and gas supply pipe (1) rotatably to a silica tube (2) to be formed into a preform. To provide a structurally simple, rotating connection, the connector of the invention comprises a generally cylindrical body part (3) provided with a through-going boring for the supply pipe (1), said boring com- prising one or more annular expansions for a ring seal or ring seals (6, 7) sealing the supply pipe (1) with respect to the body part (3). One end of the body part (3) is expanded to form an abutment for a ring seal (5) sealing the body part (3) against the inside of the silica tube (2), the connector further comprising a tightening means (8, 10) for pressing the ring seal (5) sealing the body part with respect to the silica tube (2) against its abutment to ex- pand the seal radially.
Nokia Cables Ltd.
Ridout & Maybee Llp
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