Expulsion device actuated by a pressure medium

Details Expulsion device actuated by a pressure medium Expulsion device actuated by a pressure medium

2005-01-25

2005-01-25

Smith, Scott A. (Department: 3721)

Elongated-member-driving apparatus

With means to move or guide member into driving position

Including supply magazine for constantly urged members

Reexamination Certificate

active

06845896

ABSTRACT:
An expulsion device expels objects or liquid materials from a reservoir using a drive piston which is subjected to the action of a pressure medium. The expulsion device includes a pressure medium container that is exchangeable and connected to a device body. An actuation device enables the pressure medium to act on the drive piston which is thus displaced in a forward and a backward direction.

REFERENCES:
patent: 3583496 (1971-06-01), Fehrs
patent: 3815475 (1974-06-01), Howard et al.
patent: 3850079 (1974-11-01), Fehrs
patent: 3871566 (1975-03-01), Elliesen et al.
patent: 4380313 (1983-04-01), Klaus et al.
patent: 4688645 (1987-08-01), Muller
patent: 5437339 (1995-08-01), Tanaka
patent: 33 09 226 (1984-09-01), None
patent: 0 191 186 (1986-08-01), None

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