Apparatus for applying a bung seal to an electrical lead

Details Apparatus for applying a bung seal to an electrical lead Apparatus for applying a bung seal to an electrical lead

1990-07-20

1991-05-21

Echols, P. W.

Metal working

Means to assemble or disassemble

Means to assemble electrical device

29235, 29450, 29717, 29809, B23P 1900

Patent

active

050163469

ABSTRACT:
A leading bung seal (BS1) in a magazine (4) is picked up by a bung seal transfer clamp (8) and is positioned between a bung seal receptacle (6) and a bung seal transfer device (10), which are axially aligned. A bung seal expansion pin (18) is advanced to drive the leading bung seal (BS1) into the bung seal receptacle (6), to force it against a resilient grommet (42) therein, and to extend through the bung seal (BS1) so as to expand it. A bung seal expansion sleeve (14) surrounding the expansion pin (18) is then advanced further to expand the bung seal (BS1) and the pin (18) is withdrawn leaving the bung seal (BS1) secured to the expansion sleeve (14) by its own resilience. A lead (L) is then inserted into the expansion sleeve (14), and the expansion sleeve (14) is then withdrawn, leaving the seal (BS1) secured to the lead (L), by its own resilience, after which the bung seal receptacle (6) is opened and the lead (L) with the bung seal (BS1) thereon is removed to a station at which an electrical terminal is crimped to the lead (L) and to the bung seal (BS1).

REFERENCES:
patent: 2683924 (1954-07-01), Schryver
patent: 3605239 (1971-09-01), Eschholz
patent: 3665578 (1972-05-01), Jaquette
patent: 4653182 (1987-03-01), Fukuda et al.
patent: 4765052 (1988-08-01), Fukuda et al.
patent: 4832555 (1989-05-01), Gordon

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