The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 05, 1977
Filed:
Jan. 19, 1976
Samuel A Mencacci, San Jose, CA (US);
FMC Corporation, San Jose, CA (US);
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.