Apparatus for sealing fixing plugs

Details Apparatus for sealing fixing plugs Apparatus for sealing fixing plugs

1996-12-13

1999-03-16

Smith, Scott A.

Elongated-member-driving apparatus

Explosive-type driving means

With plunger

B25C 112

Patent

active

058819401

ABSTRACT:
The apparatus comprises a plunger (13) designed to slide in a front portion (11) of the apparatus acting as a plug guide, for driving a plug and sealing it, then to be returned rearwardly to the firing position, with balls (18) for braking the plunger (13) which are mounted in recesses of the plug guide (11). By cooperation with the plunger (13), the balls (18) are driven radially towards the plunger (13) upon application of the apparatus and rearward sliding of the plug guide (11).

REFERENCES:
patent: 4349141 (1982-09-01), Ollivier et al.
patent: 4358041 (1982-11-01), Ollivier
patent: 4533077 (1985-08-01), Jochum
patent: 4585077 (1986-04-01), Bergler
patent: 4651912 (1987-03-01), Hawkins
patent: 4941391 (1990-07-01), Ehmig et al.
patent: 5269450 (1993-12-01), Popovich et al.
patent: 5538172 (1996-07-01), Jochum et al.

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