In-line air-bleed valve for hand-operated grease guns

Details In-line air-bleed valve for hand-operated grease guns In-line air-bleed valve for hand-operated grease guns

1989-04-03

1990-08-07

Skaggs, H. Grant

Dispensing

With discharge assistant

Plural

222397, 251145, 1841052, G01F 1100

Patent

active

049460773

ABSTRACT:
An attachment for bleeding trapped air from hand-operated grease guns consists of an in-line valve for disposition between the gun and its output tube. The valve features an in-line fitting on which is threaded a hand-operated nut. When the nut is backed-off it opens a port in the fitting through which trapped air can be bled off.

REFERENCES:
patent: 1227430 (1917-05-01), Gries
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patent: 4219131 (1980-08-01), Funderburgh
Wallaces Farmer, Advertising, vol. 113, No. 13, Sep. 13, 1988.

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