Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1973-11-02
1976-01-27
Lusignan, Michael R.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
427120, 427318, C08G 4504
Patent
active
039353699
ABSTRACT:
A priorly used three layer insulation covering for conductors forming a drop wire for connecting aerial distribution cables to a subscriber's premises is replaced with a single layer insulation of a plasticized polyvinyl chloride composition.
It has been found that the temperature of preheat of the conductors must fall with a critical range to control the adhesion of the composition to the conductors to be within a desired range of values. The adhesion of the composition to the conductors is important from the standpoint of the manner of installation and of strippability. The adhesion must be sufficient to facilitate support of the drop wire by a clamp customarily attached to the subscriber's premises. However, the adhesion must not be excessively high in that the forces required to strip the insulation from the conductors may damage the surfaces of the conductor.
REFERENCES:
patent: 2564194 (1951-08-01), de Nie et al.
patent: 2609355 (1952-09-01), Winkler
patent: 3141850 (1964-07-01), Lybeck
patent: 3291857 (1966-12-01), Howerton
patent: 3508963 (1970-04-01), Izumi et al.
patent: 3513222 (1970-05-01), Speitel et al.
patent: 3579608 (1971-05-01), DeCoste
patent: 3623940 (1971-11-01), Gladstone et al.
patent: 3657381 (1972-04-01), Speitel et al.
patent: 3804669 (1974-04-01), Bockstie
George Emanuel John
Salter Joseph Lane
Sauer Earl Salvator
Tidd, Jr. Charles Edward
Lusignan Michael R.
Somers E. W.
Western Electric Company Inc.
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