Elongated-member-driving apparatus – Explosive-type driving means – With plunger
Patent
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.
Almeras Roland
Herelier Patrick
Nayrac Frederic
Paradiso John
Smith Scott A.
Societe de Prospection et D'Inventions Techniques (SPIT)
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