Dispenser package for viscous fluids

Details Dispenser package for viscous fluids Dispenser package for viscous fluids

1988-04-15

1989-05-16

Kashnikow, Andres

Dispensing

Resilient wall

Fluid pressure generating pump or pulsator and/or removable...

222260, 222387, B65D 3700

Patent

active

048302287

ABSTRACT:
A dispenser package for viscous fluids comprising a container having one end open and provided with a piston and the other end closed by a compressible chamber defined by a plastic bellows that is deflected by movement of a plunger to dispense a portion of the viscous fluid from the container. The plastic bellows comprises a central tubular portion, a hub extending radially outwardly from the tubular portion, a plurality of circumferentially spaced panels extending transversely and radially from the tubular portion to a peripheral skirt extending axially away from the tubular portion. Integral circumferentially spaced ribs interconnect the panels. Alternate panels extend axially and radially upwardly away from the tubular portion while the remaining panels extend transversely and radially downwardly away from the tubular portion.

REFERENCES:
patent: 2774518 (1956-12-01), Greene
patent: 3141580 (1964-07-01), Rogers
patent: 3294288 (1966-12-01), Macare
patent: 3506163 (1970-04-01), Rauh et al.
patent: 3870200 (1975-03-01), Spatz
patent: 4120429 (1978-10-01), Vignot
patent: 4402431 (1983-09-01), Wiegner et al.

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