Geometrical instruments
Patent
1979-12-26
1981-07-28
Askin, Laramie E.
Geometrical instruments
174153G, H01B 1726, H01R 916
Patent
active
042807476
ABSTRACT:
An insertable connection lead-in plug member designed to close an opening while providing an access opening for wire or cable, or for a tang-shaped connector such as a plug. The plug member is externally cylindrical and hollow forming a cylindrical sealing ring which is closed on one axial end face. The external periphery is axially stepped from the one end from a larger to a smaller diameter and is thereafter conically tapered to a second axial end.
REFERENCES:
patent: 2225472 (1940-12-01), Franklin
patent: 2586892 (1952-02-01), Weber et al.
patent: 3079581 (1963-02-01), Klumpp, Jr.
patent: 4180297 (1979-12-01), Abrams
Askin Laramie E.
Siemens Aktiengesellschaft
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