Pump dispenser and method for making same

Details Pump dispenser and method for making same Pump dispenser and method for making same

1998-05-15

2000-04-25

Shaver, Kevin

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

222385, G01F 1136, B67D 540

Patent

active

060533714

ABSTRACT:
The dispenser comprises a hollow body formed adjacent its upper end with an inward and downward annular flap. The method involves the molding of the body with the flap inclined upward. A tool is inserted into the open end of the body to fold the flap downward. In assembly, with the tool removed and the flap thus folded, the plunger moves past the flap so that the flap thereafter engages a shoulder on the plunger and forms an obstacle to the subsequent removal, accidental or otherwise, of the plunger.

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patent: 3362344 (1968-01-01), Duda
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patent: 3578203 (1971-05-01), Mainet
patent: 3759426 (1973-09-01), Kane et al.
patent: 4089442 (1978-05-01), Hafele et al.
patent: 5381932 (1995-01-01), Humphrey

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