Electricity: conductors and insulators – Conduits – cables or conductors – Conductive armor or sheath
Patent
1998-02-20
2000-06-20
Kincaid, Kristine
Electricity: conductors and insulators
Conduits, cables or conductors
Conductive armor or sheath
174102D, 174 683, 138162, H01B 718
Patent
active
060780096
ABSTRACT:
A corrugated tube has alternating ridge and trough shapes, viewed in longitudinal cross-section. The tube also has a slit along its longitudinal direction, thereby forming first and second portions flanking the slit. The first and second zones comprise a first and a second end portion of the ridge shapes, respectively. The first end portion forms a convex portion, while the second end portion forms a sequential convex and concave portion. Each portion extends from the slit side around the opposing circumferential directions, thereby forming female and male locking portions, respectively. When the male locking portions are inserted under the female locking portions, the convex portion of the first zone and the sequential convex and concave portion of the second zone are stacked and the slit is firmly locked.
REFERENCES:
patent: 4422478 (1983-12-01), Pentney et al.
patent: 4513787 (1985-04-01), Hegler et al.
Kincaid Kristine
Mayo, III William H
Sumitomo Wiring Systems Ltd.
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