Wave transmission lines and networks – Miscellaneous – Multipactor applications
Patent
1975-01-30
1976-03-30
Smith, Alfred E.
Wave transmission lines and networks
Miscellaneous
Multipactor applications
333 95A, H01P 104, H01P 1100, H01P 314
Patent
active
039477851
ABSTRACT:
Method and a tool for accurately aligning the axis of a flexible waveguide of circular section with another similarly shaped element of a telecommunication line, such as another flexible waveguide or a terminal, in which an accurately machined tool having a first cylindrical portion expansible in diameter and a second portion with an outer cylindrical surface accurately co-axial with the first portion is inserted into the waveguide with the first portion therein and the second portion extending therefrom. The first portion is expanded until it engages the inner surface of the waveguide and then a frusto-conical sleeve is mounted around the waveguide end in accurate axial alignment with the inner surface of the waveguide using a further sleeve mounted on the second portion of the tool. The space between the sleeve around the waveguide end and the outer surface of the waveguide is filled with a purable resin, e.g., epoxy resin, which sets holding the last-mentioned sleeve co-axial with the inner surface of the waveguide. The end of the waveguide is levelled using a milling machine supported by said second portion of said tool. The other element is similarly prepared, and the sleeves are joined by bolts and an accurately ground ring encircling surfaces at the sleeve ends.
REFERENCES:
patent: 3711126 (1973-01-01), Hara et al.
patent: 3712644 (1973-01-01), Hara et al.
Industrie Pirelli Societa per Azioni
Nussbaum Marvin
Smith Alfred E.
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