Bottom filling pouch packaging method and apparatus

Details Bottom filling pouch packaging method and apparatus Bottom filling pouch packaging method and apparatus

1976-01-19

1977-07-05

McGehee, Travis S.

Package making

With contents treating

Reshaping

53110, 53188, 141264, B65B 3106, B65B 3102

Patent

active

040330931

ABSTRACT:
A method and apparatus for bottom filling a measured quantity of a particulate product in a pouch by first moving a closed pouch into an air-free atmosphere; opening the pouch and spreading its mouth with a pivoted filling tube guide; lowering a filling tube into the pouch until lower gates of the tube are positioned near the bottom of the pouch; loading the filling tube with a measured quantity of particulate product when the gates are closed; thereafter opening the gates, releasing a jet of air-free gas into the bottom of the pouch, and continuing to introduce the high pressure air-free gas into the pouch as the filling tube is raised out of the pouch and the product is being transferred from the filling tube to the pouch with the air-free gas purging air from the pouch and the product; and sealing the air-free filled pouch while in the air-free atmosphere.

REFERENCES:
patent: 2113636 (1938-04-01), Vogt
patent: 2311707 (1943-02-01), Stewart
patent: 2649671 (1953-08-01), Bartelt
patent: 3162219 (1964-12-01), Johnson et al.
patent: 3381446 (1968-05-01), Marchand
patent: 3619975 (1971-11-01), Johnson et al.

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