Dispensing – With cutter and/or punch – To form dispensing opening in container
Patent
1997-02-25
1999-08-31
Huson, Gregory L
Dispensing
With cutter and/or punch
To form dispensing opening in container
22215313, B67D 500
Patent
active
059442220
ABSTRACT:
A discharge apparatus for flowable media, comprising a basic body having a central, substantially cylindrical portion having upper and lower ends, the upper end having a spray nozzle and the lower end having actuating and gripping shoulders; a pump unit at least partly received by the basic body, the pump unit having: a piston rod holding a hollow needle projecting therefrom; a pump chamber connectable to a discharge opening via a discharge channel; and, a pump cylinder and a pump piston bounded by the pump chamber, the pump cylinder forming a medium reservoir and the pump piston being displaceably guided in the pump cylinder; an actuating sleeve; a ring-shaped fastening element having at least one breakable material bridge integral with the actuating sleeve and destroyable by an actuating force exerted in the pump stroke direction; the fastening element having an L-shaped cross-section having a bottom portion and a substantially cylindrical jacket portion, the actuating sleeve projecting centrally through and beyond the fastening element and the gripping shoulders; the housing having an outer projection surrounded by the fastening element; cooperating snap profiles provided at an outside portion of the outer projection and at an inside portion of the jacket portion; and, an outside housing projection projecting from an underside of the gripping shoulders and surrounded by the fastening element.
REFERENCES:
patent: 3403823 (1968-10-01), O'Donnell
patent: 4017007 (1977-04-01), Riccio
patent: 4964069 (1990-10-01), Ely
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patent: 5427280 (1995-06-01), Fuchs
patent: 5469989 (1995-11-01), Graf et al.
patent: 5683361 (1997-11-01), Elk et al.
Bigley Frank P.
Fuchs Karl-Heinz
Ritsche Stefan
Huson Gregory L
Ing. Erich Pfeiffer GmbH
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