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:
May. 09, 1989
Filed:
Jan. 11, 1988
Applicant:
Inventor:
Graham J Ross, Hingham, MA (US);
Assignee:
Pneumatic Scale Corporation, Quincy, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B65B / ; B65B / ; B65B / ;
U.S. Cl.
CPC ...
53437 ; 53451 ; 53525 ; 53551 ; 53 75 ;
Abstract
Apparatus and method for packaging particulate product in bags for deposit into cartons of predetermined cross section and height. Sheet material is formed about a filling tube. The sheet material is sealed and severed beneath the filling tube creating the top of one bag and the bottom of the next. Product is dropped through the filling tube into the formed sheet material which is vibrated. A sensor may be used to determine if product exceeds a predetermined height. After a predetermined amount of product has been dropped into the sheet material, the material is lowered, sealed and severd to form a filled bag.