| 摘要 |
PCT No. PCT/GB84/00241 Sec. 371 Date Mar. 4, 1985 Sec. 102(e) Date Mar. 4, 1985 PCT Filed Jul. 5, 1984 PCT Pub. No. WO85/00471 PCT Pub. Date Jan. 31, 1985.A flexible waveguide (1) has corrugated seamless walls (2) the corrugations of which are inclined to the transverse planes of the waveguide, that is, planes perpendicular to the longitudinal axis of the waveguide, at an angle of substantially 45 DEG . The inclined corrugations, which may be annular or helical, permit both flexing and twisting of the waveguide. |
