Electricity: conductors and insulators – Conduits – cables or conductors – Accessories
Patent
1975-05-14
1977-10-18
Askin, Laramie E.
Electricity: conductors and insulators
Conduits, cables or conductors
Accessories
29235, 29450, 29628, 174 10, 174 73R, 174 84R, H01R 4300, H02G 1500, B23P 1102
Patent
active
040547434
ABSTRACT:
An electrical cable accessory includes a generally tubular member of elastomeric material which is to be installed by placement over a cylindrical surface to grip the cylindrical surface, when in appropriate assembled relation therewith, with a predetermined gripping force established by dilation of the tubular member, the installation being facilitated by introducing fluid under pressure, through means provided in the tubular member, between the tubular member and the cylindrical surface, and simultaneously impeding the escape of the fluid under pressure from between the tubular member and the cylindrical surface by means adjacent one of the ends of the tubular member to cause dilation of the tubular member and establish a fluid layer between the tubular member and the cylindrical surface, thereby reducing the gripping force during installation.
REFERENCES:
patent: 1608206 (1926-11-01), Freedlander
patent: 2090014 (1937-08-01), Wiltse
patent: 2320553 (1943-06-01), Barnes et al.
patent: 3022573 (1962-02-01), Bullock
patent: 3138859 (1964-06-01), Edwards
patent: 3718749 (1973-02-01), Cunningham
Mayer Robert W.
Silva Frank A.
Amerace Corporation
Askin Laramie E.
Bender S. Michael
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