Dispensing valve particularly for viscous products

Details Dispensing valve particularly for viscous products Dispensing valve particularly for viscous products

1978-12-15

1980-10-07

Tollberg, Stanley H.

Dispensing

Outlet element operated by pressure of contents

Spring form, resilient or compressible flow controller or...

B05B 1104

Patent

active

042263425

ABSTRACT:
A dispensing valve, particularly adapted for a squeeze bottle containing a viscous product, has a valve head in the form of a thin flat wafer of small diameter stationarily supported as freely as possible from obstructions, and above it an elastically deflectable diaphragm having a central opening with a periphery that seats on the periphery of the wafer. Internal pressure causes the diaphragm to move slightly from the wafer during a dispensing operation.

REFERENCES:
patent: 1880103 (1932-09-01), Murdoch
patent: 1972344 (1934-09-01), Jackson
patent: 2025810 (1935-12-01), Dinnes

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